WO2023056945A1 - 夹层玻璃及抬头显示系统 - Google Patents

夹层玻璃及抬头显示系统 Download PDF

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Publication number
WO2023056945A1
WO2023056945A1 PCT/CN2022/123855 CN2022123855W WO2023056945A1 WO 2023056945 A1 WO2023056945 A1 WO 2023056945A1 CN 2022123855 W CN2022123855 W CN 2022123855W WO 2023056945 A1 WO2023056945 A1 WO 2023056945A1
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WO
WIPO (PCT)
Prior art keywords
light
projection
display area
laminated glass
image
Prior art date
Application number
PCT/CN2022/123855
Other languages
English (en)
French (fr)
Inventor
蒋炳铭
陈伟
彭健
关金亮
李炜军
Original Assignee
福耀玻璃工业集团股份有限公司
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
Priority claimed from CN202111173404.7A external-priority patent/CN113878953A/zh
Priority claimed from CN202111173403.2A external-priority patent/CN113858730B/zh
Application filed by 福耀玻璃工业集团股份有限公司 filed Critical 福耀玻璃工业集团股份有限公司
Priority to CN202280067633.7A priority Critical patent/CN118055856A/zh
Priority to JP2024521203A priority patent/JP2024535551A/ja
Priority to EP22877960.9A priority patent/EP4397482A1/en
Priority to KR1020247011888A priority patent/KR20240066271A/ko
Publication of WO2023056945A1 publication Critical patent/WO2023056945A1/zh
Priority to US18/626,900 priority patent/US20240248304A1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/10165—Functional features of the laminated safety glass or glazing
    • B32B17/10431—Specific parts for the modulation of light incorporated into the laminated safety glass or glazing
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/0101—Head-up displays characterised by optical features
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/02—Physical, chemical or physicochemical properties
    • B32B7/023—Optical properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/10009—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets
    • B32B17/10036—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets comprising two outer glass sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/10165—Functional features of the laminated safety glass or glazing
    • B32B17/10174—Coatings of a metallic or dielectric material on a constituent layer of glass or polymer
    • B32B17/10201—Dielectric coatings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/10165—Functional features of the laminated safety glass or glazing
    • B32B17/10174—Coatings of a metallic or dielectric material on a constituent layer of glass or polymer
    • B32B17/1022—Metallic coatings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/10165—Functional features of the laminated safety glass or glazing
    • B32B17/10431—Specific parts for the modulation of light incorporated into the laminated safety glass or glazing
    • B32B17/10467—Variable transmission
    • B32B17/10495—Variable transmission optoelectronic, i.e. optical valve
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/1055—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer
    • B32B17/10559—Shape of the cross-section
    • B32B17/10568—Shape of the cross-section varying in thickness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/1055—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer
    • B32B17/10651—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer comprising colorants, e.g. dyes or pigments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/1055—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer
    • B32B17/10779—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer containing polyester
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J1/00—Windows; Windscreens; Accessories therefor
    • B60J1/001—Double glazing for vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J1/00—Windows; Windscreens; Accessories therefor
    • B60J1/02—Windows; Windscreens; Accessories therefor arranged at the vehicle front, e.g. structure of the glazing, mounting of the glazing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
    • B60K35/20—Output arrangements, i.e. from vehicle to user, associated with vehicle functions or specially adapted therefor
    • B60K35/21—Output arrangements, i.e. from vehicle to user, associated with vehicle functions or specially adapted therefor using visual output, e.g. blinking lights or matrix displays
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
    • B60K35/20—Output arrangements, i.e. from vehicle to user, associated with vehicle functions or specially adapted therefor
    • B60K35/21—Output arrangements, i.e. from vehicle to user, associated with vehicle functions or specially adapted therefor using visual output, e.g. blinking lights or matrix displays
    • B60K35/23—Head-up displays [HUD]
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
    • B60K35/20—Output arrangements, i.e. from vehicle to user, associated with vehicle functions or specially adapted therefor
    • B60K35/21—Output arrangements, i.e. from vehicle to user, associated with vehicle functions or specially adapted therefor using visual output, e.g. blinking lights or matrix displays
    • B60K35/23—Head-up displays [HUD]
    • B60K35/231—Head-up displays [HUD] characterised by their arrangement or structure for integration into vehicles
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements
    • G02B5/3025—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state
    • G02B5/3033—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid
    • G02B5/3041—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid comprising multiple thin layers, e.g. multilayer stacks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B32B2307/42—Polarizing, birefringent, filtering
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B2457/00—Electrical equipment
    • B32B2457/20—Displays, e.g. liquid crystal displays, plasma displays
    • B32B2457/206—Organic displays, e.g. OLED
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B2605/00—Vehicles
    • B32B2605/08—Cars
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K2360/00—Indexing scheme associated with groups B60K35/00 or B60K37/00 relating to details of instruments or dashboards
    • B60K2360/77—Instrument locations other than the dashboard
    • B60K2360/785—Instrument locations other than the dashboard on or in relation to the windshield or windows

Definitions

  • This application relates to the field of automobiles, in particular to a laminated glass and a head-up display system.
  • head-up display (HUD) systems are more and more used in automobiles, and images, such as driving information, are displayed on the front windshield in real time through the head-up display system. Since the front windshield is laminated glass, the light emitted by the projection light source of the head-up display system will be reflected when it passes through the two surfaces of the laminated glass in contact with the air, and the reflected images on the two surfaces will be offset to form two mutual interference. ghosting, resulting in poor quality images projected onto the windshield.
  • the application provides a laminated glass, comprising:
  • the first transparent substrate has a first surface and a second surface disposed opposite to each other;
  • a second transparent substrate having a third surface and a fourth surface disposed opposite to each other, the third surface being disposed adjacent to the second surface compared to the fourth surface;
  • the laminated glass has a light-transmitting region and a light-blocking region surrounding at least part of the periphery of the light-transmitting region;
  • the adhesive film is located between the second surface and the third surface, and is used to bond the first transparent substrate and the second transparent substrate;
  • the visible light transmittance of the light-transmitting area is greater than or equal to 70%, the visible light transmittance of the light-blocking area is less than or equal to 5%, and the light-blocking area includes a first region located at the bottom of the light-transmitting area , the first area has one or more first functional display areas for displaying a first image.
  • the light blocking region includes:
  • a third area, the third area is located at the side of the light-transmitting area.
  • the first functional display area includes at least one flexible display screen, the flexible display screen is located between the second surface and the third surface, and the flexible display screen is selected from MiniLED display screen, MicroLED display screen and / or OLED display.
  • the first functional display area includes at least one projection display area
  • the projection light capable of forming the first image is incident on the projection display area at 50°-72°
  • the projection display area has a direct response to the incident
  • the projection light has a reflectance greater than or equal to 4%.
  • the first functional display area is the fourth surface
  • the incident projection light contains 60%-100% S polarized light
  • the reflectance of the projection display area to the incident projection light is greater than or equal to 8 %.
  • the first functional display area is a dielectric film on the third surface or the fourth surface
  • the incident projected light contains 60%-100% of P polarized light
  • the reflectance of the light is greater than or equal to 8%; or the incident projection light contains 60%-100% S polarized light, and the reflectance of the projection display area to the incident projection light is greater than or equal to 8%.
  • the first functional display area is a metal film on the third surface
  • the incident projection light contains 60%-100% P polarized light
  • the reflectance of the projection display area to the incident projection light Greater than or equal to 6%.
  • the first functional display area is laminated PET
  • the incident projection light contains 60%-100% P polarized light
  • the reflectance of the projection display area to the incident projection light is greater than or equal to 10 %.
  • the light blocking region includes a dark ink layer or a colored polymer film, the dark ink layer is arranged on the second surface and/or the third surface, and the colored polymer film is arranged on the between the second surface and the third surface.
  • the flexible display screen or the display area is closer to the fourth surface than the dark ink layer or colored polymer film.
  • the fourth surface is provided with a colored area, and the upper border of the first area is at least 80 mm higher than the upper border of the colored area located in the first area.
  • the light transmission area has one or more second functional display areas, and the second functional display areas include at least one projection display area for displaying the second image.
  • the first functional display area includes at least one projection display area, the projection display distance of the first image is 0.5m-5m, and the projection display distance of the second image is more than 7.5m.
  • the projection light forming the first image is incident on the projection display area of the first functional display area at an angle of 50°-72°, and the projection display area of the first functional display area is opposite to the projection display area forming the first image.
  • the projection light has a reflectivity greater than or equal to 4%; the projection light forming the second image is incident on the projection display area of the second functional display area at 50°-72°, and the projection of the second functional display area
  • the display area has a reflectivity greater than or equal to 8% for the projection light forming the second image.
  • the laminated glass further includes a dielectric film, and the dielectric film is at least located in the second functional display area.
  • the dielectric film is also located in the first functional display area.
  • the adhesive film is an equal-thickness film
  • the projection light forming the second image contains 60%-100% P polarized light
  • the dielectric film is a laminated structure of high refractive index layer/low refractive index layer 1.
  • the projection display area of the second functional display area has a reflectivity greater than or equal to 10% to the projection light incident at 50°-72° to form the second image.
  • the adhesive film is an equal-thickness film or a wedge-shaped film
  • the fourth surface has the dielectric film
  • the dielectric film is an anti-reflection film
  • the second functional display area is the first surface
  • the projection light forming the second image contains 60%-100% S polarized light
  • the reflectivity of the anti-reflection film to the projection light forming the second image is less than or equal to 6%
  • the second function display The projection display area of the region has a reflectivity of greater than or equal to 8% for projected light rays incident at 50°-72° to form the second image.
  • the bonding film is a wedge-shaped film
  • the projection light forming the second image contains 60%-100% S polarized light
  • the dielectric film is a high refractive index layer/layer located on the third surface or the fourth surface
  • the reflectance of the projection display area of the second functional display area to the projection light incident at 50°-72° to form the second image is greater than or equal to 28%.
  • the adhesive film is a wedge-shaped film
  • the second functional display area is the fourth surface
  • the projection light forming the second image contains 60%-100% S polarized light
  • the second The projection display area of the functional display area has a reflectivity of greater than or equal to 8% for the projected light incident at 50°-72° to form the second image.
  • the projection light forming the first image contains 60%-100% S polarized light or 60%-100% P polarized light.
  • the light-transmitting area also has a main viewing area
  • the second functional display area is set in the main viewing area
  • the lower boundary of the main viewing area is at least 25mm higher than the upper boundary of the first area.
  • the present application also provides a head-up display system, the head-up display system includes a first projection light source and the above-mentioned laminated glass, the first projection light source is used to project projection light forming the first image to the first function display area.
  • the light-transmitting area has one or more second functional display areas
  • the head-up display system further includes a second projection light source, and the second projection light source is used to project projection light forming the second image to the The second function display area.
  • the projection light forming the first image contains 60%-100% P polarized light
  • the projection light forming the second image contains 60%-100% S polarized light
  • the projection light forming the first image contains 60%-100% S polarized light
  • the projection light forming the second image contains 60%-100% P polarized light
  • the projection light forming the first image contains 60%-100% P polarized light
  • the projection light forming the second image contains 60%-100% P polarized light
  • the projection light forming the first image contains 60%-100% S polarized light
  • the projection light forming the second image contains 60%-100% S polarized light
  • the laminated glass provided in the embodiment of the present application has the light blocking area, which can reduce or even block the reflected light A incident on the laminated glass from the fourth surface and reflected by the first transparent substrate, thereby weakening or even blocking blocking the ghost generated by the reflected light B and the reflected light A incident on the laminated glass from the fourth surface and reflected by the second transparent substrate.
  • the laminated glass provided by the embodiment of the present application can also reduce or even block the incident light C incident on the laminated glass from the first surface, and weaken or even block the incident light C incident on the laminated glass from the fourth surface. And a ghost image formed by the reflected light B reflected by the second transparent substrate and the incident light C. It can be seen that the laminated glass provided by the embodiment of the present application can make the quality of the image projected thereon higher.
  • Fig. 1 is a schematic diagram of the area division structure of the laminated glass provided by the embodiment of the present application.
  • FIG. 2 is a cross-sectional view along line I-I in FIG. 1 of an embodiment of the present application.
  • FIG. 3 is a cross-sectional layered structure diagram along line I-I in FIG. 1 of an embodiment of the present application.
  • FIG. 4 is a cross-sectional layered structure diagram along line I-I in FIG. 1 of another embodiment of the present application.
  • FIG. 5 is a cross-sectional layered structure diagram along line I-I in FIG. 1 of another embodiment of the present application.
  • FIG. 6 is a cross-sectional layered structure diagram along line I-I in FIG. 1 of another embodiment of the present application.
  • FIG. 7 is a cross-sectional layered structure diagram along line I-I in FIG. 1 of another embodiment of the present application.
  • Fig. 8 is a schematic diagram of a region division structure of a laminated glass provided in another embodiment of the present application.
  • Fig. 9 is a schematic diagram of a region division structure of a laminated glass provided by another embodiment of the present application.
  • Fig. 10 is a schematic diagram of a region division structure of a laminated glass provided in another embodiment of the present application.
  • FIG. 11 is a cross-sectional layered structure diagram along line I-I in FIG. 10 according to another embodiment of the present application.
  • Fig. 12 is a cross-sectional layered structure diagram along line I-I in Fig. 10 according to another embodiment of the present application.
  • Fig. 13 is a cross-sectional layered structure diagram along line I-I in Fig. 10 according to another embodiment of the present application.
  • FIG. 14 is a cross-sectional layered structure diagram along line I-I in FIG. 10 according to another embodiment of the present application.
  • FIG. 15 is a cross-sectional layered structure diagram along line I-I in FIG. 10 according to another embodiment of the present application.
  • FIG. 16 is a cross-sectional layered structure diagram along line I-I in FIG. 10 according to another embodiment of the present application.
  • FIG. 17 is a cross-sectional layered structure diagram along line I-I in FIG. 10 according to another embodiment of the present application.
  • FIG. 18 is a cross-sectional layered structure diagram along line I-I in FIG. 10 according to another embodiment of the present application.
  • FIG. 19 is a cross-sectional layered structure diagram along line I-I in FIG. 10 according to another embodiment of the present application.
  • FIG. 20 is a cross-sectional layered structure diagram along line I-I in FIG. 10 according to another embodiment of the present application.
  • FIG. 21 is a cross-sectional layered structure diagram along line I-I in FIG. 10 according to another embodiment of the present application.
  • FIG. 22 is a cross-sectional layered structure diagram along line I-I in FIG. 10 according to another embodiment of the present application.
  • Fig. 23 is a schematic diagram of a region division structure of a laminated glass provided in another embodiment of the present application.
  • Fig. 24 is a cross-sectional layered structure diagram along line I-I in Fig. 23 according to another embodiment of the present application.
  • Fig. 25 is a schematic diagram of a region division structure of a laminated glass provided by another embodiment of the present application.
  • Fig. 26 is a schematic diagram of the area division structure of laminated glass provided by another embodiment of the present application.
  • Fig. 27 is a schematic diagram of a vehicle provided by the present application.
  • Figure 1 is a schematic diagram of the region division structure of the laminated glass provided by the embodiment of the present application
  • Figure 2 is a cross-sectional view along the line I-I in Figure 1 of an embodiment of the present application.
  • the present application provides a laminated glass 10 .
  • the laminated glass 10 includes a first transparent substrate 110 , a second transparent substrate 120 and an adhesive film 130 .
  • the first transparent substrate 110 has a first surface 111 and a second surface 112 opposite to each other.
  • the second transparent substrate 120 has a third surface 121 and a fourth surface 122 disposed opposite to each other, and the third surface 121 is disposed adjacent to the second surface 112 compared to the fourth surface 122 .
  • the laminated glass 10 has a light-transmitting region R20 and a light-blocking region R10 surrounding at least part of the periphery of the light-transmitting region R20 .
  • the adhesive film 130 is located between the second surface 112 and the third surface 121 for bonding the first transparent substrate 110 and the second transparent substrate 120 .
  • the visible light transmittance of the light-transmitting region R20 is greater than or equal to 70%
  • the visible light transmittance of the light-blocking region R10 is less than or equal to 5%
  • the light-blocking region R10 includes the bottom part of the light-transmitting region R20
  • the first region R110 has one or more first functional display regions R111 for displaying the first image P1.
  • the first transparent substrate 110 and the second transparent substrate 120 are tightly connected by the adhesive film 130 .
  • the present application rotates the cross-sectional view along the line I-I in FIG.
  • the thickness of the structure for the convenience of description, the figure after the change is named as the cross-sectional layered structure figure along the I-I line in Figure 1.
  • Fig. 3 is a cross-sectional layered structure diagram along the I-I line in Fig. 1 of an embodiment of the present application, Fig. 3 is to rotate Fig. 2 counterclockwise by 90°, and all structures of the laminated glass 10 Separate and zoom in on the thickness of all structures obtained.
  • the sectional layered structure diagram described later is also illustrated with reference to the processing methods in FIG. 2 and FIG. 3 , and will not be described in detail later.
  • the first transparent substrate 110 and the second transparent substrate 120 can be curved plates with light-transmitting properties, such as inorganic glass or organic glass, and the inorganic glass can be, for example, soda lime silicate glass, aluminosilicate glass, Lithium aluminosilicate glass or borosilicate glass, organic glass can be exemplified by polycarbonate (PC) glass, polymethyl methacrylate (PMMA) glass and the like.
  • the first transparent substrate 110 and the second transparent substrate 120 may be transparent, or colored and have light-transmitting properties.
  • the material of the first transparent substrate 110 and the second transparent substrate 120 may be the same or different.
  • the light-transmitting region R20 is a region through which visible light can pass through the laminated glass 10. In order to ensure driving safety after the laminated glass 10 is installed on the vehicle, it is preferable that the visible light transmittance of the light-transmitting region R20 is greater than Or equal to 70%.
  • the light blocking region R10 refers to a region where the visible light transmittance of the laminated glass 10 is relatively low, and the light blocking region R10 is distributed around the edge region of the laminated glass 10 .
  • the bonding film 130 is disposed between the first transparent substrate 110 and the second transparent substrate 120 for bonding the first transparent substrate 110 and the second transparent substrate 120 .
  • the adhesive film 130 has two structures, which will be described in detail later.
  • the light blocking region R10 includes a light shielding layer 140
  • the light shielding layer 140 may be a dark ink layer or a colored polymer film, and the dark ink layer is disposed on the second surface 112 and/or the third surface 121 , the colored polymer film is disposed between the second surface 112 and the third surface 121 .
  • the projected light transmittance of the light shielding layer 140 is low, and the light shielding layer 140 is carried on the first transparent substrate 110 or the second transparent substrate 120 and located in the light blocking region R10 .
  • the light shielding layer 140 can be formed on the light blocking region R10 by printing ink or the like.
  • the projected light transmittance of the light shielding layer 140 is less than or equal to 5%, preferably less than or equal to 1%.
  • the light-shielding layer 140 can also be a resin film with a dark color and a low light transmittance, and of course a resin film with a light color and a low light transmittance can also be selected.
  • the resin film can be, for example, a body colored resin film. PVB, PET, etc.
  • FIG. 3 is a cross-sectional layered structure diagram along line I-I in FIG. 1 of an embodiment of the present application.
  • the light shielding layer 140 is disposed on the second surface 112 .
  • FIG. 4 is a cross-sectional layered structure diagram along line I-I in FIG. 1 of another embodiment of the present application.
  • the light shielding layer 140 is disposed on the third surface 121 .
  • the projection device in the vehicle projects the first image P1 to the projection light of the laminated glass 10 from the fourth surface 122
  • the laminated glass 10 will be reflected by the first surface 111 of the first transparent substrate 110 , thereby forming the reflected light A.
  • the projection light incident on the laminated glass 10 will be reflected by the fourth surface 122 of the second transparent substrate 120 and enter the human eye.
  • the projection light reflected by the fourth surface 122 Name it reflected light B.
  • the reflected light B forms a main image visible to human eyes
  • the reflected light A forms a secondary image visible to human eyes, and there is a certain offset distance between the secondary image and the main image, that is, a double image phenomenon occurs.
  • the laminated glass 10 according to the embodiment of the present application includes the light-shielding layer 140 , which can reduce or even block the reflected light A, thereby weakening or even blocking the ghosting generated by the reflected light A and the reflected light B.
  • the light-shielding layer 140 can be used as the display background of the main image, which improves the recognition of the main image and the contrast with the ambient brightness, and can significantly improve The display quality of the main image.
  • the laminated glass 10 is introduced below.
  • the laminated glass 10 is applied to the vehicle 1, the laminated glass 10 is installed on the vehicle 1 at a certain inclination angle as a front windshield.
  • the first transparent substrate 110 in the laminated glass 10 is the substrate of the laminated glass 10 exposed outside the vehicle, and the second transparent substrate 120 is the substrate of the laminated glass 10 inside the vehicle.
  • the situation that the laminated glass 10 does not include the light-shielding layer 140 will be introduced first.
  • the projection device in the car projects the first image P1 onto the laminated glass 10 to form the first image P1 on the second transparent substrate 120 .
  • the projection device in the car projects the first image P1 to the laminated glass 10.
  • the light is incident on the laminated glass 10 from the fourth surface 122, and will be captured by the fourth surface 122 and the first surface.
  • 111 are respectively reflected to form a reflected light B and a reflected light A, and the reflected light B and the reflected light A do not overlap to generate a reflection ghost.
  • the light from objects outside the vehicle enters the laminated glass 10 from the first surface 111 and penetrates the laminated glass 10 into the vehicle to form the incident light C.
  • the incident light C is due to the inclined installation and parallelism of the laminated glass 10 Thickness produces transmission ghosting.
  • the laminated glass 10 according to the embodiment of the present application includes the light-shielding layer 140 , which can reduce or even block the reflected light A and the incident light C, thereby weakening or even blocking reflection ghosts and transmission ghosts.
  • the laminated glass 10 provided by the embodiment of the present application has the light-shielding layer 140 located in the light blocking region R10, which can reduce or even block reflection ghosting and transmission ghosting. It can be seen that the laminated glass 10 provided by the embodiment of the present application can make the quality of the image projected thereon higher.
  • the light blocking region R10 includes a first region R110, the first region R110 is located at the bottom of the light-transmitting region R20, and the first region R110 has one or more first functional display regions R111, for displaying the first image P1; a second region R120, the second region R120 is located on the top of the light-transmitting region R20; and a third region R130, the third region R130 is located in the light-transmitting region
  • the sides of R20, the second region R120 and the third region R130 are used to shield electronic devices or wires.
  • the light-blocking region R10 is arranged around the light-transmitting region R20, that is, the first region R110, the second region R120, and the third region R130 are located in the light-blocking region R10, and surrounding the light-transmitting region R20.
  • the light blocking region R10 is divided into three regions, the first region R110 is provided with one or more first functional display regions R111, when the first region R110 is provided with multiple
  • first function display area R111 multiple first function display areas R111 can be set separately, or integrated, or partly set separately and partly integrated, and each of the first function display areas R111 Correspondingly, it is used to display one of the first images P1.
  • the total area of the first functional display region R111 accounts for more than 10% of the first region R110, so as to achieve a better display effect of the first image P1.
  • the second region R120 and the third region R130 are used to shield electronic devices or circuits installed in later applications.
  • the first functional display area R111 is the fourth surface 122, and the incident projected light contains 60%-100% of S-polarized light, and the first functional display area R111 has a positive effect on the The reflectance of the incident projection light is greater than or equal to 8%.
  • the projected light preferably contains 100% S polarized light, which can further increase the reflectivity of the first functional display area R111 to the incident projected light, so that the first image P1 Clearer.
  • Fig. 5 is another embodiment of the present application along the section layered structure diagram of I-I line in Fig. 1;
  • Fig. 6 is another embodiment of the present application along I-I line in Fig. 1
  • Fig. 7 is a cross-sectional layered structure diagram along line I-I in Fig. 1 according to another embodiment of the present application.
  • the adhesive film 130 is an equal-thickness film
  • the laminated glass 10 also includes a dielectric film 150, and the dielectric film 150 is arranged on the third surface 121 (see FIG. 6 ), or the fourth surface 122 (refer to 5), or wrapped in the adhesive film 130 (refer to FIG. 7), and the dielectric film 150 is located in the first region R110, the dielectric film 150 on the second transparent substrate 120
  • the orthographic projection covers all of the first functional display area R111, and the dielectric film 150 has S-polarized light reflection capability.
  • the dielectric film 150 has the ability to reflect S polarized light, and the dielectric film 150 is on the fourth surface 122 (see FIG. 5 ), or the third surface 121 (see FIG. 6 ), or After being wrapped in the adhesive film 130 (refer to FIG. 7 ) and combined with the second transparent substrate 120, the second transparent substrate 120 has S-polarized light reflection capability. For example, when the proportion of S-polarized light in the light projected on one side of the second transparent substrate 120 is relatively large, such as 60% to 100%, the second transparent substrate 120 is opposite to the second transparent substrate 120 in the light blocking region R10.
  • the reflectance of projected light on one side of the transparent substrate 120 is relatively large, for example, it can reach 22% when it is incident at an incident angle of 60°, and the preferred proportion of S-polarized light is 100%, which further weakens or even blocks the first transparent substrate 110 of reflected light.
  • the orthographic projection of the dielectric film 150 on the second transparent substrate 120 covers all of the first functional display area R111, which can further improve the incidence of incident light on the second transparent substrate 120 side on the second transparent substrate 120. Brightness and clarity of reflected light.
  • Fig. 5 is another embodiment of the present application along the section layered structure diagram of I-I line in Fig. 1;
  • Fig. 6 is another embodiment of the present application along I-I line in Fig. 1
  • Fig. 7 is a cross-sectional layered structure diagram along line I-I in Fig. 1 according to another embodiment of the present application.
  • the adhesive film 130 is an equal-thickness film
  • the laminated glass 10 also includes a dielectric film 150, and the dielectric film 150 is arranged on the third surface 121 (see FIG. 6 ), or the fourth surface 122 (refer to 5), or wrapped in the adhesive film 130 (refer to FIG. 7), and the dielectric film 150 is located in the first region R110, the dielectric film 150 on the second transparent substrate 120
  • the orthographic projection covers all of the first functional display area R111, and the dielectric film 150 has the ability to reflect P-polarized light.
  • the dielectric film 150 has the ability to reflect P polarized light.
  • the dielectric film 150 can be, but not limited to, a high refractive index layer, a low refractive index layer, a metal film (1-5 silver) or a laminated polymer film. Polyethylene terephthalate (PET), etc.
  • PET Polyethylene terephthalate
  • the dielectric film 150 is on the fourth surface 122 (refer to FIG. 5 ), or the third surface 121 (refer to FIG. 6 ), or is wrapped in the adhesive film 130 (refer to FIG. 7 ) and the After the second transparent substrate 120 is combined, the second transparent substrate 120 has the ability to reflect P-polarized light.
  • the second transparent substrate 120 when the proportion of P-polarized light in the light projected on one side of the second transparent substrate 120 is relatively large, such as 60% to 100%, the second transparent substrate 120 is in the light blocking region R10 to the second polarized light.
  • One side of the transparent substrate 120 has P-polarized projection light reflection, for example, it can reach 20% when it is incident at an incident angle of 65°, and the preferred proportion of P-polarized light is 100%, which further weakens or even blocks the reflection of the first transparent substrate 110.
  • the reflected light can further improve the brightness and clarity of the incident light on one side of the second transparent substrate 120 reflected on the second transparent substrate 120 .
  • the driver wearing sunglasses can observe the first image P1 of the first functional display area R111.
  • Fig. 8 is a schematic diagram of the area division structure of laminated glass provided by another embodiment of the present application
  • Fig. 9 is a schematic diagram of the area division structure of laminated glass provided by another embodiment of the present application.
  • the laminated glass 10 also includes one or more flexible display screens 160, the flexible display screens 160 are arranged in the first region R110, and each of the flexible display screens 160 corresponds to one of the first functional display areas R111 Set, the flexible display screen 160 is used to display the first image P1; or one or more first projection light sources 170, the first projection light source 170 is used to project the first image P1 to the first function display area R111, and each of the first projection light sources 170 is set corresponding to one of the first function display areas R111.
  • the first functional display area R111 is provided with the flexible display screen 160, each of the flexible display screens 160 is set corresponding to one of the first functional display area R111, and each Each of the flexible display screens 160 is disposed between the light-shielding layer 140 and the third surface 121 or is disposed on the fourth surface 122 .
  • the flexible display 160 may be, but not limited to, a MiniLED display, a MicroLED display or/or an OLED display.
  • the flexible display 160 adopts the form of directly generating images, and the first image P1 emitted by the flexible display 160 directly passes through the second transparent substrate 120 or does not need to pass through the second transparent substrate 120, without the The influence of the reflected light of the first transparent substrate 110 further avoids ghost images formed by the reflected light of the first transparent substrate 110 and the second transparent substrate 120 .
  • each of the first projection light sources 170 is set corresponding to one of the first functional display areas R111, and the first projection light sources 170 are set on the second transparent substrate 120 side.
  • the S-polarized light in the first projection light source 170 accounts for 60%-100%, and the definition of the first image P1 can be improved by cooperating with the dielectric film 150 having the ability to reflect S-polarized light.
  • the proportion of S-polarized light in the first projection light source 170 is 100%, which can further improve the definition of the first image P1.
  • the flexible display screen 160 and the first projection light source 170 are used in combination, and a part of the flexible display screen 160 It is set corresponding to a part of the first function display area R111, and another part of the first projection light source 170 is set corresponding to the remaining first function display area R111.
  • the diversity of the display in the first functional display area R111 is increased. application, optimizing the installation of the laminated glass 10.
  • the flexible display screen 160 or the first functional display area R111 is closer to the fourth surface 122 than the light-shielding layer 140, so that the light-shielding layer 140 can be used as an image of the first image P1.
  • the light-shielding layer 140 may be, but not limited to, a dark ink layer or a colored polymer film.
  • the projection display distance of the first image P1 is 0.5m ⁇ 5m.
  • FIG. 10 is a schematic diagram of a region division structure of a laminated glass provided in another embodiment of the present application.
  • the light transmission area R20 also has a main viewing area R210, the lower boundary of the main viewing area R210 is at least 25 mm higher than the upper boundary of the first area R110.
  • the lower boundary of the main viewing area R210 is at least 25mm higher than the upper boundary of the first area R110, so as to avoid the optical allergy area and avoid the first area R110 from colliding with the main viewing area.
  • Optical distortion is formed between R210, which interferes with imaging in the first region R110 and the main viewing region R210.
  • the main viewing area R210 also has one or more second functional display areas R211, the second functional display areas R211 are used to display the second image P2, and the projection of the second image P2 Display distance is 7.5m or more.
  • the second functional display area R211 is added to the laminated glass 10, and the area of the second functional display area R211 is larger than the first functional display area R111, so that the laminated glass 10 A larger second image P2 can be displayed, which enriches the image display of the laminated glass 10 .
  • the projection light forming the first image P1 is incident on the projection display area of the first functional display area R111 at 50°-72°, and the projection display area pair of the first functional display area R111 forms the first image
  • the projection light of P1 has a reflectivity greater than or equal to 4%
  • the projection light forming the second image P2 is incident on the projection display area of the second function display area R211 at 50°-72°, and the second function
  • the projected display area of the display area R211 has a reflectivity greater than or equal to 8% for the projected light rays forming the second image P2.
  • Fig. 11 is another embodiment of the present application along the sectional layered structure diagram of I-I line in Fig. 10;
  • Fig. 12 is another embodiment of the application along the sectional layered structure of I-I line in Fig. 10 picture.
  • the thickness of the adhesive film 130 gradually becomes thinner along the direction from the second region R120 to the first region R110, and the orthographic projection of the adhesive film 130 on the second transparent substrate 120 covers all of the first region R110.
  • Second function display area R211 is another embodiment of the present application along the sectional layered structure diagram of I-I line in Fig. 10
  • Fig. 12 is another embodiment of the application along the sectional layered structure of I-I line in Fig. 10 picture.
  • the thickness of the adhesive film 130 gradually becomes thinner along the direction from the second region R120 to the first region R110, and the orthographic projection of the adhesive film 130 on the second transparent substrate 120 covers all of the first region R110.
  • Second function display area R211 is another embodiment of the present application along the sectional layered structure diagram
  • the thickness of the adhesive film 130 gradually becomes thinner along the direction from the second region R120 to the first region R110 .
  • the adhesive film 130 is a wedge-shaped film.
  • the wedge angle formed by the adhesive film 130 due to the thickness gradient is 0.15mrad-0.55mrad
  • the orthographic projection of the part of the adhesive film 130 with the thickness gradient structure on the second transparent substrate 120 covers at least All of the second function display areas R211.
  • the second functional display area R211 is the fourth surface 122
  • the projection light forming the second image P2 includes 60%-100 S polarized light
  • the second functional display area R211 is incident at 50°-72°
  • the reflectance of the projection light forming the second image P2 is greater than or equal to 8%.
  • the projection light forming the second image P2 includes 100% S polarized light.
  • the adhesive film 130 with a gradual thickness corrects the ghost image formed by the reflected light of the first transparent substrate 110 and the second transparent substrate 120 in the second functional display region R211 through the wedge angle.
  • the wedge angles of the bonding film 130 in different second function display regions R211 may be equal or unequal. of.
  • the size, shape and position of each of the second functional display regions R211 are different, and the incident angles of the light sources are also different, so different wedge angles are required to correct the first transparent substrate 110 and the second transparent substrate.
  • the reflected light of 120 forms a ghost in the second function display area R211.
  • the same wedge angle can also be used.
  • the light-shielding layer 140 is disposed on the third surface 121, and the adhesive film 130 is disposed between the light-shielding layer 140 and the second surface 112, so
  • the orthographic projection of the portion of the bonding film 130 having a thickness gradient structure on the second transparent substrate 120 covers all of the second functional display area R211, and the bonding film 130 can modify the first transparent substrate 110 and The ghost image formed by the reflected light of the second transparent substrate 120 on the second functional display area R211 improves the clarity of the second image P2.
  • FIG. 11 please refer to FIG.
  • the light-shielding layer 140 is disposed on the second surface 112
  • the adhesive film 130 is disposed between the light-shielding layer 140 and the third surface 121
  • the orthographic projection of the portion of the adhesive film 130 with a thickness gradient structure on the second transparent substrate 120 covers all of the second functional display area R211, and the adhesive film 130 can modify the first transparent substrate 110
  • the double image formed by the reflected light of the second transparent substrate 120 in the second functional display area R211 improves the clarity of the second image P2; or, the adhesive film 130 has a thickness gradient structure Part of the orthographic projection on the second transparent substrate 120 covers all of the first functional display area R111 and all of the second functional display area R211, and the bonding film 130 can modify the first transparent substrate 110 and the second functional display area R211.
  • the ghost image formed by the reflected light of the second transparent substrate 120 on the first functional display area R111 and the second functional display area R211 not only improves the clarity of the second image P2, but also further improves the The clarity of the first image P1 also improves the manufacturing efficiency of the adhesive film 130 and the first transparent substrate 110 and the second transparent substrate 120 .
  • FIG. 13 is another embodiment of the present application along the I-I line in Fig. 10 the cross-sectional layered structural diagram
  • Fig. 14 is another embodiment of the present application along the I-I line in Fig. Layer structure diagram
  • FIG. 15 is a cross-sectional layered structure diagram along the I-I line in FIG. 10 of another embodiment of the present application
  • FIG. 16 is a cross-sectional layered structure diagram along the I-I line in FIG. 10 of another embodiment of the present application.
  • the laminated glass 10 also includes a dielectric film 150, the dielectric film 150 is arranged on the third surface 121 or the fourth surface 122, and the dielectric film 150 has a P polarized light reflection function, or has an S polarized light reflective function, or, the dielectric film 150 is located on the fourth surface 122, the dielectric film 150 has S-polarized light anti-reflection capability and the reflectivity is less than 6%, or, the dielectric film 150 is a high refractive index layer/
  • the laminated structure of the low refractive index layer, located on the third surface 121 or the fourth surface 122, reflects P-polarized light or S-polarized light, or the dielectric film 150 includes at least one metal layer (1 Ag-5 Silver), located on the second surface 112 or the third surface 121, reflecting P polarized light, or, the dielectric film 150 is laminated PET, sandwiched between the second surface 112 and the third surface 121 Between, reflect P polarized light.
  • the orthographic projection of the dielectric film 150 on the second transparent substrate 120 at least covers all of the second functional display region R211 . In one embodiment, the orthographic projection of the dielectric film 150 on the second transparent substrate 120 covers all of the second functional display region R211 . In another embodiment, the orthographic projection of the dielectric film 150 on the second transparent substrate 120 covers all of the second functional display area R211 and all of the first functional display area R111 .
  • the dielectric film 150 is provided on the fourth surface 122 .
  • the dielectric film 150 when the light source on the side of the fourth surface 122 contains 60% to 100% of P polarized light, the dielectric film 150 has the ability to reflect P polarized light, and the P polarized light of the dielectric film 150 The reflectivity of polarized light is above 10%, and the reflectivity of the first surface 111 of the first transparent substrate 110 to P polarized light is very low at an incident angle of 50°-72°.
  • the P polarized light of the first surface 111 is Polarized light reflectance is only less than 1%, weakening the reflected light of the first surface 111, that is, further weakening the reflection of the light source on the side of the fourth surface 122 on the first surface 111 and the fourth surface 122 ghosting of light.
  • the dielectric film 150 when the light source on the side of the fourth surface 122 contains 60% to 100% of S polarized light, the dielectric film 150 has the ability to reflect S polarized light, and the dielectric film 150 The reflectance of S polarized light is above 28%, weakening the reflected light of the first surface 111, and using the adhesive film 130 of unequal thickness to the light source on the side of the fourth surface 122 on the first surface 111 and the fourth surface 122 reflective superimposition enhancement, that is, weakening the ghost of the light reflected by the light source on the side of the fourth surface 122 on the first surface 111 and the fourth surface 122 .
  • the orthographic projection of the dielectric film 150 on the second transparent substrate 120 does not cover For all the first functional display areas R111, the dielectric film 150 has S-polarized light anti-reflection capability and the reflectivity is not greater than 6%, which weakens the reflection of the light source on the fourth surface 122 side on the fourth surface 122 Light, so as to weaken the ghost of light reflected by the light source on the first surface 111 and the fourth surface 122 on the side of the fourth surface 122 in the second functional display region R211.
  • the dielectric film 150 is provided on the fourth surface 122 .
  • the dielectric film 150 when the light source on the side of the fourth surface 122 contains 60% to 100% of P polarized light, the dielectric film 150 has the ability to reflect P polarized light, and the P polarized light of the dielectric film 150 The reflectivity of polarized light is above 10%, and the reflectivity of the first surface 111 of the first transparent substrate 110 to P polarized light is very low at an incident angle of 50°-72°.
  • the P polarized light of the first surface 111 is Polarized light reflectance is only less than 1%, weakening the reflected light of the first surface 111, that is, weakening the reflected light of the light source on the side of the fourth surface 122 on the first surface 111 and the fourth surface 122 of ghosting.
  • the dielectric film 150 when the light source on the side of the fourth surface 122 contains 60% to 100% of S polarized light, the dielectric film 150 has the ability to reflect S polarized light, and the dielectric film 150 The reflectance of S polarized light is above 28%, weakening the reflected light of the first surface 111, and using the adhesive film 130 of unequal thickness to the light source on the side of the fourth surface 122 on the first surface 111 and the fourth surface 122 reflective superimposition enhancement, that is, weakening the ghost of the light reflected by the light source on the side of the fourth surface 122 on the first surface 111 and the fourth surface 122 .
  • the orthographic projection of the dielectric film 150 on the second transparent substrate 120 does not cover For all the first functional display areas R111, the dielectric film 150 has S-polarized light anti-reflection capability and the reflectivity is not greater than 6%, which weakens the reflection of the light source on the fourth surface 122 side on the fourth surface 122 Light, so as to weaken the ghost of light reflected by the light source on the first surface 111 and the fourth surface 122 on the side of the fourth surface 122 in the second functional display region R211.
  • the orthographic projection on the substrate 120 covers all the second functional display regions R211.
  • the dielectric film 150 has the ability to reflect P polarized light, and the P polarized light of the dielectric film 150
  • the reflectivity of polarized light is above 10%, and the reflectivity of the first surface 111 of the first transparent substrate 110 and the fourth surface 122 of the second transparent substrate 120 to P polarized light is very low at an incident angle of 50°-72°, such as 57° ° under the incident angle, the reflectance of P polarized light is only less than 1%, which weakens the reflected light of the first surface 111 and the fourth surface 122, that is, weakens the light source on the side of the fourth surface 122 in the dielectric film 150 ghosting of reflected light with the first surface 111 and the fourth surface 122 .
  • the dielectric film 150 is disposed between the adhesive film 130 and the third surface 121 .
  • the dielectric film 150 has the ability to reflect P polarized light, and the P polarized light of the dielectric film 150 Polarized light reflectance is above 10%, weakening the reflected light of the first surface 111, that is, weakening the reflected light of the light source on the side of the fourth surface 122 on the first surface 111 and the fourth surface 122 of ghosting.
  • FIG. 17 is another embodiment of the present application along the I-I line in Fig. 10 sectional layered structural diagram
  • Fig. 18 is another implementation of the present application along the sectional layered I-I line in Fig. 10 Structural diagram
  • FIG. 19 is a sectional layered structure diagram of another embodiment of the application along the I-I line in FIG. 10
  • FIG. 20 is a sectional layered structure diagram of another embodiment of the application along the I-I line in FIG. 10
  • FIG. 21 is Another embodiment of the present application is a cross-sectional layered structure diagram along line I-I in FIG. 10 .
  • the adhesive film 130 is a film of equal thickness
  • the laminated glass 10 further includes a dielectric film 150
  • the dielectric film 150 is arranged on the third surface 121, or the fourth surface 122, or is wrapped on the In the adhesive film 130, and the dielectric film 150 has a P polarized light reflection function, or the dielectric film 150 has a polarized light reflection capability and a reflectivity of less than 6%, and the dielectric film 150 is on the second transparent substrate 120
  • the orthographic projection on at least covers all of the second functional display area R211.
  • the dielectric film 150 is provided on the fourth surface 122 .
  • the dielectric film 150 when the light source on the side of the fourth surface 122 contains 60% to 100% of P polarized light, the dielectric film 150 has the ability to reflect P polarized light, and the P polarized light of the dielectric film 150 The reflectivity of polarized light is above 10%, and the reflectivity of the first surface 111 of the first transparent substrate 110 to P polarized light is very low at an incident angle of 50°-72°.
  • the P polarized light of the first surface 111 is Polarized light reflectance is only less than 1%, weakening the reflected light of the first surface 111, that is, weakening the reflected light of the light source on the side of the fourth surface 122 on the first surface 111 and the fourth surface 122 of ghosting.
  • the orthographic projection of the dielectric film 150 on the second transparent substrate 120 only covers In all the second functional display areas R211, the dielectric film 150 has S-polarized light anti-reflection capability and the reflectivity is not more than 6%, which weakens the reflection of the light source on the fourth surface 122 side on the fourth surface 122 light, so as to weaken the ghost of light reflected by the light source on the side of the fourth surface 122 on the first surface 111 and the fourth surface 122 .
  • the dielectric film 150 is provided on the fourth surface 122 .
  • the dielectric film 150 when the light source on the side of the fourth surface 122 contains 60% to 100% of P polarized light, the dielectric film 150 has the ability to reflect P polarized light, and the P polarized light of the dielectric film 150 The reflectivity of polarized light is above 10%, and the reflectivity of the first surface 111 of the first transparent substrate 110 to P polarized light is very low at an incident angle of 50°-72°.
  • the P polarized light of the first surface 111 is Polarized light reflectance is only less than 1%, weakening the reflected light of the first surface 111, that is, weakening the reflected light of the light source on the side of the fourth surface 122 on the first surface 111 and the fourth surface 122 of ghosting.
  • the orthographic projection of the dielectric film 150 on the second transparent substrate 120 does not cover For all the first functional display areas R111, the dielectric film 150 has S-polarized light anti-reflection capability and the reflectivity is not greater than 6%, which weakens the reflection of the light source on the fourth surface 122 side on the fourth surface 122 light, so as to weaken the ghost of light reflected by the light source on the side of the fourth surface 122 on the first surface 111 and the fourth surface 122 .
  • the dielectric film 150 is disposed between the adhesive film 130 and the light shielding layer 140 .
  • the dielectric film 150 has the ability to reflect P polarized light, and the P polarized light of the dielectric film 150
  • the reflectivity of polarized light is above 10%, and the first surface 111 of the first transparent substrate 110 and the fourth surface 122 of the second transparent substrate 120 have very high reflectivity to P polarized light at an incident angle of 50°-72° Low, for example, at an incident angle of 57°, the P polarized light reflectance is only less than 1%, which weakens the reflected light of the first surface 111 and the fourth surface 122, that is, weakens the light source on the side of the fourth surface 122 in the ghosts of the reflected light from the first surface 111 and the fourth surface 122.
  • the dielectric film 150 is disposed between the adhesive film 130 and the third surface 121 .
  • the dielectric film 150 has the ability to reflect P polarized light, and the P polarized light of the dielectric film 150
  • the reflectivity of polarized light is above 10%, and the first surface 111 of the first transparent substrate 110 and the fourth surface 122 of the second transparent substrate 120 have very high reflectivity to P polarized light at an incident angle of 50°-72° Low, for example, at an incident angle of 57°, the P polarized light reflectance is only less than 1%, which weakens the reflected light of the first surface 111 and the fourth surface 122, that is, weakens the light source on the side of the fourth surface 122 in the ghosts of the reflected light from the first surface 111 and the fourth surface 122.
  • the dielectric film 150 is disposed in the adhesive film 130 , and the dielectric film 150 is wrapped in the adhesive film 130 .
  • the dielectric film 150 has the ability to reflect P polarized light, and the P polarized light of the dielectric film 150
  • the reflectivity of polarized light is above 10%, and the first surface 111 of the first transparent substrate 110 and the fourth surface 122 of the second transparent substrate 120 have very high reflectivity to P polarized light at an incident angle of 50°-72° Low, for example, at an incident angle of 57°, the P polarized light reflectance is only less than 1%, which weakens the reflected light of the first surface 111 and the fourth surface 122, that is, weakens the light source on the side of the fourth surface 122 in the ghosts of the reflected light from the first surface 111 and the fourth surface 122.
  • the dielectric film 150 is disposed in the adhesive film 130 , and the dielectric film 150 is wrapped in the adhesive film 130 .
  • the dielectric film 150 has the ability to reflect P polarized light, and the P polarized light of the dielectric film 150
  • the reflectivity of polarized light is above 10%, and the first surface 111 of the first transparent substrate 110 and the fourth surface 122 of the second transparent substrate 120 have very high reflectivity to P polarized light at an incident angle of 50°-72° Low, for example, at an incident angle of 57°, the P polarized light reflectance is only less than 1%, which weakens the reflected light of the first surface 111 and the fourth surface 122, that is, weakens the light source on the side of the fourth surface 122 in the ghosts of the reflected light from the first surface 111 and the fourth surface 122.
  • Fig. 23 is a schematic diagram of the area division structure of laminated glass 10 provided by another embodiment of the present application
  • Fig. 24 is a cross-sectional layered structure diagram along line I-I in Fig. 23 of another embodiment of the present application.
  • the laminated glass 10 also has a colored region R30, the colored region R30 is located on the side of the light blocking region R10 away from the light transmitting region R20, and the laminated glass 10 further includes a colored layer 180, the colored layer 180 Carried on the second transparent substrate 120, and the colored layer 180 is arranged in the colored region R30, the colored layer 180 is used for the alignment of the laminated glass 10 during installation and the adhesion of the window fixing or fixing parts.
  • Gel substrate surface is used for the alignment of the laminated glass 10 during installation and the adhesion of the window fixing or fixing parts.
  • the colored layer 180 is disposed on the outermost surface of the laminated glass 10 on the side of the fourth surface 122, and the orthographic projection of the colored layer 180 on the second transparent substrate 120 is exactly Covering the colored area R30, the colored area R30 can be used to shield the electronic components or circuits installed later, and can also be used to assist the installation of the laminated glass 10 on other equipment, such as to facilitate gluing or alignment or Improve bond strength.
  • the upper boundary of the first region R110 is higher than the upper boundary of the colored region R30 located in the first region R110.
  • the upper boundary of the first region R110 is higher than the upper boundary of the colored region R30 located in the first region R110.
  • the upper border of the colored region R30 of R110 is at least 80mm, leaving enough space for the first functional display region R111.
  • FIG. 25 is a schematic diagram of a region division structure of a laminated glass provided in another embodiment of the present application.
  • the laminated glass 10 further includes one or more first projection light sources 170, the first projection light sources 170 are used to project the first image P1 to the first functional display area R111, and each of the first The projection light source 170 is set corresponding to one of the first functional display areas R111; and one or more second projection light sources 190, the second projection light sources 190 are used to project the second image P2 to the second functional display area R211, and each second projection light source 190 is set corresponding to one second function display area R211.
  • the second projection light source 190 is projected on the second functional display area R211 to present a larger second image P2, which increases the diversity of image display of the laminated glass 10 .
  • FIG. 26 is a schematic diagram of a region division structure of a laminated glass provided in another embodiment of the present application.
  • the laminated glass 10 also includes one or more flexible display screens 160, the flexible display screens 160 are arranged in the first region R110, and each of the flexible display screens 160 corresponds to one of the first functional display areas R111 Setting, the flexible display screen 160 is used to display the first image P1; and one or more second projection light sources 190, the second projection light source 190 is used to project the second image P2 to the second A function display area R211, and each of the second projection light sources 190 is set corresponding to one of the second function display areas R211.
  • the second projection light source 190 is projected on the second functional display area R211 to present a larger second image P2, which increases the diversity of image display of the laminated glass 10 .
  • the present application provides a head-up display system.
  • the head-up display system includes the above-mentioned first projection light source 170 and the Laminated glass10.
  • the head-up system includes the first projection light source 170, the second projection light source 190, and the laminated glass 10 described in any embodiment including the second functional display area R211.
  • the projection light forming the first image P1 contains 60%-100% P polarized light
  • the projection light forming the second image P2 contains 60%-100% S polarized light
  • the projection light forming the first image P1 contains 60%-100% S polarized light
  • the projection light forming the second image P2 contains 60%-100% P polarized light
  • the projection light forming the first image P1 contains 60%-100% P-polarized light
  • the projection light forming the second image P2 contains 60%-100% P-polarization light
  • the projection light forming the first image P1 contains 60%-100% S polarized light
  • the projection light forming the second image P2 contains 60%-100% S polarized light
  • the projection light includes 100% S polarized light or 100% P polarized light, which can achieve a better projection effect.
  • FIG. 27 is a schematic diagram of a vehicle provided by the present application.
  • the present application also provides a vehicle 1 , the vehicle 1 includes the laminated glass 10 described in any of the above embodiments, and the vehicle 1 further includes a vehicle body 20 ; the laminated glass 10 is disposed on the vehicle body 20 .
  • the laminated glass 10 please refer to the previous description, and details will not be repeated here.
  • the vehicle 1 may be, but not limited to, a car, a multi-purpose vehicle (multi-purpose Vehicles, MPV), a sports utility vehicle (Sport/Suburban Utility Vehicle, SUV), an off-road vehicle (Off-Road Vehicle, ORV), pickup, van, bus, truck, etc.
  • MPV multi-purpose Vehicles
  • SUV sports utility vehicle
  • ORV off-road vehicle
  • pickup van, bus, truck, etc.
  • the angle between the laminated glass 10 and the vertical plane is called the loading angle, usually the vehicle loading angle is 50°-72°, if there is no light-shielding layer 140, on the one hand, the projection inside the vehicle 1
  • the reflected light on the first transparent substrate 110 and the second transparent substrate 120 will form a ghost image
  • objects outside the vehicle 1 passing through the laminated glass 10 will collide with objects inside the vehicle 1
  • the reflected light projected on the laminated glass 10 forms ghost images.
  • the setting of the light-shielding layer 140 weakens or even eliminates the above ghosting; the setting of the dielectric film 150 further weakens or even eliminates the above ghosting and weakens or even eliminates the ghosting effect of the second functional display region R211.
  • the loading angle can be 60°
  • the reflection of the light-transmitting medium film 150 on the projection light in the first functional display region R111 is tested, and the data are obtained in the following two tables.
  • Table 1 Reflection data of projected light from the first functional display area on the light blocking area of laminated glass without transparent dielectric film.
  • the light source type is an ordinary light source
  • the light emitted by the ordinary light source is an irregular set of countless polarized lights, so it is impossible to find which direction the light intensity is biased in when directly observing.
  • This kind of light with the same intensity of light waves vibrating in all directions can also be called natural light.
  • the light source type is P polarized light
  • P polarized light accounts for 60%-100% of the light emitted by the light source.
  • the type of the light source is S polarized light
  • the S polarized light accounts for 60%-100% of the light emitted by the light source.
  • Table 2 for the light source type, please refer to the introduction of the light source type in Table 1, and details will not be repeated here.
  • the antireflection film is the aforementioned dielectric film 150 with S polarized light antireflection capability and low reflectivity (less than 6%);
  • the P polarized reflective film is the aforementioned dielectric film 150 with P polarized light reflective capability;
  • the S polarized light reflective film is the aforementioned dielectric film 150 with S polarized light reflective capability.
  • the fourth surface 122 is opposite to the first The reflectance of projection of the projection light source 170 on the first functional display area R111 is increased from 0.3% to 11%.
  • the fourth surface 122 is opposite to the first The reflectivity of projection of a projection light source 170 on the first functional display area R111 is increased from 13% to 22%.
  • the laminated glass 10 also has a transparent conductive layer, the transparent conductive layer is installed between the first transparent substrate 110 and the second transparent substrate 120, and the transparent conductive layer has a barrier for reflecting infrared rays. At least one of heat capacity and heating function, and the transparent conductive layer covers at least 80% of the light-transmitting region R20.
  • the display distance of the first image P1 is 0.5m-5m, and the first image P1 may be key information such as driving speed, fuel volume in the mailbox or engine speed; optional, the second image P2 The display distance is more than 7.5m, and the second image P2 may be a larger image display such as route guidance, speeding reminder or obstacle reminder.

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Abstract

提供了一种夹层玻璃（10）及抬头显示系统。夹层玻璃（10）包括第一透明基板（110）、第二透明基板（120）及粘结膜（130）；夹层玻璃（10）具有透光区（R20）及环绕透光区（R20）的至少部分周缘的光阻隔区（R10）；粘结膜（130）位于第一透明基板（110）和第二透明基板（120）之间，用于粘结第一透明基板（110）及第二透明基板（120）；透光区（R20）的可见光透射率大于或等于70％，光阻隔区（R10）的可见光透过率小于或等于5％，光阻隔区（R10）包括位于透光区（R20）的底部的第一区域（R110），第一区域（R110）具有一个或多个功能显示区，以显示图像。该夹层玻璃（10）可以弱化甚至消除因第一透明基板（110）和第二透明基板（120）反射影像产生偏移而形成两个相互干扰的重影。

Description

夹层玻璃及抬头显示系统
1.本申请要求于2021年10月08日提交中国专利局、申请号为202111173404.7、申请名称为“夹层玻璃及抬头显示系统”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
2.本申请要求于2021年10月08日提交中国专利局、申请号为202111173403.2、申请名称为“夹层玻璃及抬头显示系统”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及汽车领域，具体涉及一种夹层玻璃及抬头显示系统。
背景技术
随着汽车智能化发展，抬头显示(Head Up Display，HUD)系统越来越多的应用在汽车上，通过抬头显示系统将影像，比如，行车信息实时显示在前挡风玻璃上。由于前挡风玻璃为夹层玻璃，抬头显示系统的投影光源发出的光经过夹层玻璃与空气接触的两个表面时会发生反射，两个表面上的反射影像会产生偏移从而形成两个相互干扰的重影，从而导致投影至前挡风玻璃上的影像的质量不高。
发明内容
本申请提供了一种夹层玻璃，包括：
第一透明基板，所述第一透明基板具有相背设置的第一表面和第二表面；
第二透明基板，所述第二透明基板具有相背设置的第三表面和第四表面，所述第三表面相较于所述第四表面邻近所述第二表面设置；
所述夹层玻璃具有透光区及环绕所述透光区的至少部分周缘的光阻隔区；以及
粘结膜，所述粘结膜位于所述第二表面和所述第三表面之间，用于粘结所述第一透明基板及所述第二透明基板；
所述透光区的可见光透过率大于或等于70％，所述光阻隔区的可见光透过率小于或等于5％，所述光阻隔区包括位于所述透光区的底部的第一区域，所述第一区域具有一个或多个第一功能显示区，以用于显示第一图像。
其中，所述光阻隔区包括：
第二区域，所述第二区域位于所述透光区的顶部；及
第三区域，所述第三区域位于所述透光区的侧部。
其中，所述第一功能显示区包括至少一个柔性显示屏，所述柔性显示屏位于所述第二表面和所述第三表面之间，所述柔性显示屏选用MiniLED显示屏、MicroLED显示屏和/或OLED显示屏。
其中，所述第一功能显示区包括至少一个投影显示区，能够形成所述第一图像的投影光线以50°-72°入射至所述投影显示区，所述投影显示区对所述入射的投影光线具有大于或等于4％的反射率。
其中，所述第一功能显示区为第四表面，所述入射的投影光线包含60％-100％的S偏振光，所述投影显示区对所述入射的投影光线的反射率大于或等于8％。
其中，所述第一功能显示区为第三表面或第四表面上的介质膜，所述入射的投影光线包含60％-100％的P偏振光，所述投影显示区对所述入射的投影光线的反射率大于或等于8％； 或者所述入射的投影光线包含60％-100％的S偏光，所述投影显示区对所述入射的投影光线的反射率大于或等于8％。
其中，所述第一功能显示区为第三表面上的金属膜，所述入射的投影光线包含60％-100％的P偏振光，所述投影显示区对所述入射的投影光线的反射率大于或等于6％。
其中，所述第一功能显示区为叠层PET，所述入射的投影光线包含60％-100％的P偏振光，所述投影显示区对所述入射的投影光线的反射率大于或等于10％。
其中，所述光阻隔区包括深色油墨层或着色聚合物膜，所述深色油墨层设置在所述第二表面和/或所述第三表面上，所述着色聚合物膜设置在所述第二表面和所述第三表面之间。
其中，所述柔性显示屏或所述显示区比所述深色油墨层或着色聚合物膜更靠近所述第四表面。
其中，所述第四表面上设置有着色区，所述第一区域的上边界高于位于所述第一区域的所述着色区的上边界至少80mm。
其中，所述透光区具有一个或多个第二功能显示区，所述第二功能显示区包括至少一个投影显示区，用于显示第二图像。
其中，所述第一功能显示区包括至少一个投影显示区，所述第一图像的投影显示距离为0.5m～5m，所述第二图像的投影显示距离为7.5m以上。
其中，形成所述第一图像的投影光线以50°-72°入射至所述第一功能显示区的投影显示区，所述第一功能显示区的投影显示区对形成所述第一图像的投影光线具有大于或等于4％的反射率；形成所述第二图像的投影光线以50°-72°入射至所述第二功能显示区的投影显示区，所述第二功能显示区的投影显示区对形成所述第二图像的投影光线具有大于或等于8％的反射率。
其中，所述夹层玻璃还包括介质膜，所述介质膜至少位于所述第二功能显示区。
其中，所述介质膜还位于所述第一功能显示区。
其中，所述粘结膜为等厚膜，形成所述第二图像的投影光线包含60％-100％的P偏振光，所述介质膜为高折射率层/低折射率层的叠层结构、包括至少一个金属层或叠层PET，所述第二功能显示区的投影显示区对以50°-72°入射的形成所述第二图像的投影光线的反射率大于或等于10％。
其中，所述粘结膜为等厚膜或楔形膜，所述第四表面具有所述介质膜，所述介质膜为减反膜，且所述第二功能显示区为所述第一表面，形成所述第二图像的投影光线包含60％-100％的S偏振光，所述减反膜对形成所述第二图像的投影光线的反射率小于或等于6％，所述第二功能显示区的投影显示区对以50°-72°入射的形成所述第二图像的投影光线的反射率大于或等于8％。
其中，所述粘结膜为楔形膜，形成所述第二图像的投影光线包含60％-100％的S偏振光，所述介质膜为位于第三表面或第四表面的高折射率层/低折射率层的叠层结构，所述第二功能显示区的投影显示区对以50°-72°入射的形成所述第二图像的投影光线的反射率大于或等于28％。
其中，所述粘结膜为楔形膜，且所述第二功能显示区为所述第四表面，形成所述第二图像的投影光线包含60％-100％的S偏振光，所述第二功能显示区的投影显示区对以50°-72°入射的形成所述第二图像的投影光线的反射率大于或等于8％。
其中，形成所述第一图像的投影光线包含60％-100％的S偏振光或包含60％-100％的P偏振光。
其中，所述透光区还具有主视野区，所述第二功能显示区设于所述主视野区内，所述主视野区的下边界高于所述第一区域的上边界至少25mm。
本申请还提供了一种抬头显示系统，所述抬头显示系统包括第一投影光源及上述的夹层玻璃，所述第一投影光源用于投射形成所述第一图像的投影光线至所述第一功能显示区。
其中，所述透光区具有一个或多个第二功能显示区，所述抬头显示系统还包括第二投影光源，所述第二投影光源用于投射形成所述第二图像的投影光线至所述第二功能显示区。
其中，形成所述第一图像的投影光线包含60％-100％的P偏振光，形成所述第二图像的投影光线包含60％-100％的S偏振光。
其中，形成所述第一图像的投影光线包含60％-100％的S偏振光，形成所述第二图像的投影光线包含60％-100％的P偏振光。
其中，形成所述第一图像的投影光线包含60％-100％的P偏振光，形成所述第二图像的投影光线包含60％-100％的P偏振光。
其中，形成所述第一图像的投影光线包含60％-100％的S偏振光，形成所述第二图像的投影光线包含60％-100％的S偏振光。
本申请实施例提供的夹层玻璃具有所述光阻隔区，可减小甚至阻断自所述第四表面入射至所述夹层玻璃且被所述第一透明基板反射的反射光A，从而弱化甚至阻断自所述第四表面入射至所述夹层玻璃且被所述第二透明基板反射的反射光B和反射光A产生的重影。此外，本申请实施例提供的夹层玻璃还可减小甚至阻断自所述第一表面入射至所述夹层玻璃的入射光C，弱化甚至阻断自所述第四表面入射至所述夹层玻璃且被所述第二透明基板反射的反射光B和入射光C形成的重影。由此可见，本申请实施例提供的夹层玻璃可使得投影至其上的影像的质量较高。
附图说明
图1为本申请实施例提供的夹层玻璃区域划分结构示意图。
图2为本申请一实施例沿着图1中I-I线的剖面图。
图3本申请一实施例沿图1中I-I线的剖面分层结构图。
图4为本申请又一实施例沿图1中I-I线的剖面分层结构图。
图5为本申请又一实施例沿图1中I-I线的剖面分层结构图。
图6为本申请又一实施例沿图1中I-I线的剖面分层结构图。
图7为本申请又一实施例沿图1中I-I线的剖面分层结构图。
图8为本申请又一实施例提供的夹层玻璃区域划分结构示意图。
图9为本申请又一实施例提供的夹层玻璃区域划分结构示意图。
图10为本申请又一实施例提供的夹层玻璃区域划分结构示意图。
图11为本申请又一实施例沿图10中I-I线的剖面分层结构图。
图12为本申请又一实施例沿图10中I-I线的剖面分层结构图。
图13为本申请又一实施例沿图10中I-I线的剖面分层结构图。
图14为本申请又一实施例沿图10中I-I线的剖面分层结构图。
图15为本申请又一实施例沿图10中I-I线的剖面分层结构图。
图16为本申请又一实施例沿图10中I-I线的剖面分层结构图。
图17为本申请又一实施例沿图10中I-I线的剖面分层结构图。
图18为本申请又一实施例沿图10中I-I线的剖面分层结构图。
图19为本申请又一实施例沿图10中I-I线的剖面分层结构图。
图20为本申请又一实施例沿图10中I-I线的剖面分层结构图。
图21为本申请又一实施例沿图10中I-I线的剖面分层结构图。
图22为本申请又一实施例沿图10中I-I线的剖面分层结构图。
图23为本申请又一实施例提供的夹层玻璃区域划分结构示意图。
图24为本申请又一实施例沿图23中I-I线的剖面分层结构图。
图25为本申请又一实施例提供的夹层玻璃区域划分结构示意图。
图26为本申请又一实施例提供的夹层玻璃区域划分结构示意图。
图27为本申请提供的一种车辆示意图。
标号说明：夹层玻璃10，第一透明基板110，第一表面111，第二表面112，第二透明基板120，第三表面121，第四表面122，光阻隔区R10，透光区R20，粘结膜130，遮光层140，第一区域R110，第一功能显示区R111，第一图像P1，第二区域R120，第三区域R130，介质膜150，柔性显示屏160，第一投影光源170，主视野区R210，第二功能显示区R211，第二图像P2，着色区R30，着色层180，第二投影光源190，车辆1，车辆主体20。
具体实施方式
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有付出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
在本文中提及“实施例”或“实施方式”意味着，结合实施例或实施方式描述的特定特征、结构或特性可以包含在本申请的至少一个实施例中。在说明书中的各个位置出现该短语并不一定均是指相同的实施例，也不是与其它实施例互斥的独立的或备选的实施例。本领域技术人员显式地和隐式地理解的是，本文所描述的实施例可以与其它实施例相结合。
请参照图1和图2，图1为本申请实施例提供的夹层玻璃区域划分结构示意图；图2为本申请一实施例沿着图1中I-I线的剖面图。本申请提供了一种夹层玻璃10，所述夹层玻璃10包括第一透明基板110、第二透明基板120及粘结膜130。所述第一透明基板110具有相背设置的第一表面111和第二表面112。所述第二透明基板120具有相背设置的第三表面121和第四表面122，所述第三表面121相较于所述第四表面122邻近所述第二表面112设置。所述夹层玻璃10具有透光区R20及环绕所述透光区R20的至少部分周缘的光阻隔区R10。所述粘结膜130位于所述第二表面112和所述第三表面121之间，用于粘结所述第一透明基板110及所述第二透明基板120。所述透光区R20的可见光透过率大于或等于70％，所述光阻隔区R10的可见光透过率小于或等于5％，所述光阻隔区R10包括位于所述透光区R20的底部的第一区域R110，所述第一区域R110具有一个或多个第一功能显示区R111，以用于显示第一图像P1。
在一种实施方式中，所述第一透明基板110和所述第二透明基板120通过所述粘结膜130紧密连接。为了方便且清晰的示意所述夹层玻璃10的分层结构，本申请将沿着图1中I-I线的剖面图逆时针旋转90°，并将所述夹层玻璃10的所有结构分离，且放大所有结构的厚度，为方便描述，将改变之后的图命名为沿着图1中I-I线的剖面分层结构图。例如，请参照图3，图3为本申请一实施例沿图1中I-I线的剖面分层结构图，图3就是将图2逆时针旋转90°，并将所述夹层玻璃10的所有结构分离，且放大所有结构的厚度得到的。可以理解地，后续所述的剖面分层结构图也是参照图2及图3的处理方式进行示意，后续不再赘述。
所述第一透明基板110和所述第二透明基板120可以是具有透光性能的弯曲板件，比如选用无机玻璃或有机玻璃，无机玻璃可以举例为钠钙硅玻璃、铝硅酸盐玻璃、锂铝硅酸盐玻璃或硼硅酸盐玻璃，有机玻璃可以举例为聚碳酸酯(PC)玻璃、聚甲基丙烯酸甲酯(PMMA)玻璃等。所述第一透明基板110和所述第二透明基板120可以是透明的，也可以是着色的且具有透光性能。所述第一透明基板110的材质与所述第二透明基板120的材质可以相同也可以不相同。
所述透光区R20是所述夹层玻璃10中可以透过可见光的区域，为了保证所述夹层玻璃10安装至车辆上后的驾驶安全性，优选所述透光区R20的可见光透过率大于或等于70％。所述光阻隔区R10是指所述夹层玻璃10的可见光透过率较低的区域，且所述光阻隔区R10分布在所述夹层玻璃10的四周边缘区域。
所述粘结膜130设置在所述第一透明基板110和所述第二透明基板120之间，用于粘结所述第一透明基板110和所述第二透明基板120。所述粘结膜130有两种结构，稍后再详细介绍。
所述光阻隔区R10包括遮光层140，所述遮光层140可以是深色油墨层或着色聚合物膜，所述深色油墨层设置在所述第二表面112和/或所述第三表面121上，所述着色聚合物膜设置在所述第二表面112和所述第三表面121之间。所述遮光层140的投影光线透过率低，所述遮光层140承载于所述第一透明基板110或者所述第二透明基板120，且位于所述光阻隔区R10。所述遮光层140可通过印刷油墨等方式在所述光阻隔区R10形成。可选地，所述遮光层140的投影光线透过率小于或等于5％，优选小于或等于1％。可选地，所述遮光层140也可以选用深色且透光率较低的树脂膜，当然还可以选用浅色且透光率较低的树脂膜，所述树脂膜可以举例为本体着色的PVB、PET等。
在一种实施例中，请继续参照图3，图3为本申请一实施例沿图1中I-I线的剖面分层结构图。所述遮光层140设置在所述第二表面112。在另一种实施例中，请参照图4，图4为本申请又一实施例沿图1中I-I线的剖面分层结构图。所述遮光层140设置在所述第三表面121。
具体地，一方面，倘若所述夹层玻璃10中不包括所述遮光层140，车内的投影设备投射所述第一图像P1至所述夹层玻璃10的投影光线自所述第四表面122入射至所述夹层玻璃10，会被所述第一透明基板110的第一表面111反射，从而形成所述反射光A。相应地，入射至所述夹层玻璃10的投影光线会被所述第二透明基板120的所述第四表面122反射而进入到人眼，为了方便描述，所述第四表面122反射的投影光线命名为反射光B。所述反射光B形成了人眼可见的主像，所述反射光A形成了人眼可见的副像，副像和主像之间具有一定的偏移距离，即产生了重影现象。本申请实施方式的夹层玻璃10中包括所述遮光层140，能够减小甚至阻断所述反射光A，从而弱化甚至阻断了反射光A和反射光B产生的重影。同时，由于所述遮光层140的投影光线透过率低，所述遮光层140可以作为所述主像的显示背景，提高了所述主像的识别度和与环境亮度的对比度，能够显著提高所述主像的显示质量。
下面对所述夹层玻璃10的一种应用场景进行介绍。当所述夹层玻璃10应用于车辆1时，所述夹层玻璃10以一定的倾斜角度安装在所述车辆1上作为前挡风玻璃。所述夹层玻璃10中的所述第一透明基板110为所述夹层玻璃10显露在车外的基板，所述第二透明基板120为所述夹层玻璃10在车内的基板。为了说明所述夹层玻璃10包括所述遮光层140时的有益效果，先对所述夹层玻璃10中不包括所述遮光层140的情况进行介绍。车内的投影设备会投射第一图像P1至所述夹层玻璃10，以在所述第二透明基板120上形成所述第一图像P1。车外的物体也会透过所述夹层玻璃10进入到车内。车内的投影设备投射所述第一图像P1至所述 夹层玻璃10的光线自所述第四表面122入射至所述夹层玻璃10，且会被所述第四表面122和所述第一表面111分别反射，形成反射光B和反射光A，所述反射光B和所述反射光A不重合而产生反射重影。车外的物体的光线自第一表面111入射至所述夹层玻璃10且穿透所述夹层玻璃10进入车内形成所述入射光C，入射光C由于所述夹层玻璃10的倾斜安装和平行厚度而产生透射重影。本申请实施方式的夹层玻璃10中包括所述遮光层140，能够减少甚至阻断了所述反射光A和所述入射光C，从而弱化甚至阻断了反射重影和透射重影。
综上所述，本申请实施例提供的夹层玻璃10具有位于所述光阻隔区R10的遮光层140，可减小甚至阻断反射重影和透射重影。由此可见，本申请实施例提供的夹层玻璃10可使得投影至其上的影像的质量较高。
请再参照图1，所述光阻隔区R10包括第一区域R110，所述第一区域R110位于所述透光区R20的底部，所述第一区域R110具有一个或多个第一功能显示区R111，以用于显示第一图像P1；第二区域R120，所述第二区域R120位于所述透光区R20的顶部；及第三区域R130，所述第三区域R130位于所述透光区R20的侧部，所述第二区域R120及所述第三区域R130用于遮蔽电子器件或走线。
需要说明的是，所述光阻隔区R10环绕所述透光区R20设置，即所述第一区域R110、所述第二区域R120、所述第三区域R130位于所述光阻隔区R10，且环绕所述透光区R20。
在本实施例中，所述光阻隔区R10划分为三个区域，所述第一区域R110设置有一个或多个所述第一功能显示区R111，当所述第一区域R110设置有多个所述第一功能显示区R111时，多个所述第一功能显示区R111可以是分开设置，或者设置成一体，或者部分分开设置部分一体设置，且每一个所述第一功能显示区R111都相应地用于显示一个所述第一图像P1。可选的，所述第一功能显示区R111的总面积占所述第一区域R110的10％以上，以达到所述第一图像P1更好的显示效果。所述第二区域R120和所述第三区域R130一方面用于遮蔽后期应用时安装的电子器件或线路。
请再次参照图4。在一种实施方式中，所述第一功能显示区R111为所述第四表面122，所述入射的投影光线包含60％～100％的S偏光，所述第一功能显示区R111对所述入射的投影光线的反射率大于或等于8％。
在本实施方式中，所述投影光线优选的包含100％的S偏光，可以进一步的提高所述第一功能显示区R111对所述入射的投影光线的反射率，从而使得所述第一图像P1更加清晰。
请一并参照图5、图6及图7，图5为本申请又一实施例沿图1中I-I线的剖面分层结构图；图6为本申请又一实施例沿图1中I-I线的剖面分层结构图；图7为本申请又一实施例沿图1中I-I线的剖面分层结构图。所述粘结膜130为等厚膜，所述夹层玻璃10还包括介质膜150，所述介质膜150设置在所述第三表面121(参见图6)，或者所述第四表面122(参照图5)，或者被包裹在所述粘结膜130中(参照图7)，且所述介质膜150位于所述第一区域R110，所述介质膜150在所述第二透明基板120上的正投影覆盖所有所述第一功能显示区R111，所述介质膜150具有S偏振光反射能力。
在本实施例中，所述介质膜150具有S偏振光反射能力，所述介质膜150在所述第四表面122(参照图5)，或者所述第三表面121(参见图6)，或者被包裹在所述粘结膜130中(参照图7)与所述第二透明基板120结合之后，使得所述第二透明基板120具有S偏振光反射能力。举例而言，当所述第二透明基板120一侧投影光线中S偏振光占比较大，比如为60％～100％时，所述第二透明基板120在光阻隔区R10对所述第二透明基板120一侧投影光线的反射率较大，比如以60°入射角入射时可以达到22％，优选的S偏振光占比为100％，进一步弱化甚 至阻断了所述第一透明基板110的反射光。所述介质膜150在所述第二透明基板120上的正投影覆盖所有所述第一功能显示区R111，可以进一步提高所述第二透明基板120一侧入射光在所述第二透明基板120上反射光的亮度和清晰度。
请一并参照图5、图6及图7，图5为本申请又一实施例沿图1中I-I线的剖面分层结构图；图6为本申请又一实施例沿图1中I-I线的剖面分层结构图；图7为本申请又一实施例沿图1中I-I线的剖面分层结构图。所述粘结膜130为等厚膜，所述夹层玻璃10还包括介质膜150，所述介质膜150设置在所述第三表面121(参见图6)，或者所述第四表面122(参照图5)，或者被包裹在所述粘结膜130中(参照图7)，且所述介质膜150位于所述第一区域R110，所述介质膜150在所述第二透明基板120上的正投影覆盖所有所述第一功能显示区R111，所述介质膜150具有P偏振光反射能力。
在本实施例中，所述介质膜150具有P偏振光反射能力，所述介质膜150可以是但不限于为高折射率层、低折射率层、金属膜(1-5银)或者层叠聚对苯二甲酸乙二醇酯(Polyethylene terephthalate，PET)等。所述介质膜150在所述第四表面122(参照图5)，或者所述第三表面121(参见图6)，或者被包裹在所述粘结膜130中(参照图7)与所述第二透明基板120结合之后，使得所述第二透明基板120具有P偏振光反射能力。举例而言，当所述第二透明基板120一侧投影光线中P偏振光占比较大，比如为60％～100％时，所述第二透明基板120在光阻隔区R10对所述第二透明基板120一侧具有P偏振投影光线反射，比如以65°入射角入射时可以达到20％，优选的P偏振光占比为100％，进一步弱化甚至阻断了所述第一透明基板110的反射光，可以进一步提高所述第二透明基板120一侧入射光在所述第二透明基板120上反射光的亮度和清晰度。还可以实现驾驶员戴太阳镜可观察第一功能显示区R111的第一图像P1。
请参照图8和图9，图8为本申请又一实施例提供的夹层玻璃区域划分结构示意图；图9为本申请又一实施例提供的夹层玻璃区域划分结构示意图。所述夹层玻璃10还包括一个或多个柔性显示屏160，所述柔性显示屏160设置在所述第一区域R110，且每一个所述柔性显示屏160对应一个所述第一功能显示区R111设置，所述柔性显示屏160用于显示第一图像P1；或者一个或多个第一投影光源170，所述第一投影光源170用于投影所述第一图像P1至所述第一功能显示区R111，且每个所述第一投影光源170对应一个所述第一功能显示区R111设置。
请参照图8，在本实施例中，所述第一功能显示区R111设置有所述柔性显示屏160，每一个所述柔性显示屏160对应一个所述第一功能显示区R111设置，且每个所述柔性显示屏160设置在所述遮光层140与所述第三表面121之间或者设置在第四表面122。所述柔性显示屏160可以为但不仅限于为MiniLED显示屏、MicroLED显示屏或/或OLED显示屏。所述柔性显示屏160采用直接生成图像的形式，所述柔性显示屏160发出的第一图像P1直接透过所述第二透明基板120或者无需透过所述第二透明基板120，没有所述第一透明基板110的反射光的影响，进一步避免了所述第一透明基板110和所述第二透明基板120反射光形成重影。
在另一种实施例中，请参照图9，每一个所述第一投影光源170对应一个所述第一功能显示区R111设置，且所述第一投影光源170设置在所述第二透明基板120一侧。可选的，所述第一投影光源170中S偏振光占比60％～100％，配合具有S偏振光反射能力的所述介质膜150，可以提高所述第一图像P1的清晰度。优选的，所述第一投影光源170中S偏振光占比为100％，可以进一步提高所述第一图像P1的清晰度。
在又一实施例中，当所述夹层玻璃10具有多个所述第一功能显示区R111时，所述柔性 显示屏160和所述第一投影光源170结合使用，一部分所述柔性显示屏160对应一部分所示第一功能显示区R111设置，另一部分所述第一投影光源170对应剩余的所述第一功能显示区R111设置。本实施例在弱化了所述第一透明基板110和所述第二透明基板120的反射光形成的重影的基础上，增加了所述第一功能显示区R111显示的多样性，可依据实际应用，优化所述夹层玻璃10的安装。
需要说明的是，所述柔性显示屏160或所述第一功能显示区R111比所述遮光层140更靠近所述第四表面122，使得所述遮光层140能够作为所述第一图像P1的显示背景。所述遮光层140可以但不限于为深色油墨层或着色聚合物膜。同时，所述第一图像P1的投影显示距离为0.5m～5m。
请参照图10，图10为本申请又一实施例提供的夹层玻璃区域划分结构示意图。所述透光区R20还具有主视野区R210，所述主视野区R210的下边界高于所述第一区域R110的上边界至少25mm。
在本实施例中，所述主视野区R210的下边界高于所述第一区域R110的上边界至少25mm，这样可以避开光学过敏区，避免所述第一区域R110与所述主视野区R210之间形成光畸变，对所述第一区域R110和所述主视野区R210内的成像造成干扰。
请再次参考图10，所述主视野区R210还具有一个或多个第二功能显示区R211，所述第二功能显示区R211用于显示第二图像P2，且所述第二图像P2的投影显示距离为7.5m以上。
在本实施例中，对所述夹层玻璃10增设了所述第二功能显示区R211，且所述第二功能显示区R211的面积大于所述第一功能显示区R111，使得所述夹层玻璃10能够显示更大的所述第二图像P2，丰富了所述夹层玻璃10的图像显示。形成所述第一图像P1的投影光线以50°-72°入射至所述第一功能显示区R111的投影显示区，所述第一功能显示区R111的投影显示区对形成所述第一图像P1的投影光线具有大于或等于4％的反射率；形成所述第二图像P2的投影光线以50°-72°入射至所述第二功能显示区R211的投影显示区，所述第二功能显示区R211的投影显示区对形成所述第二图像P2的投影光线具有大于或等于8％的反射率。
请参照图11和图12，图11为本申请又一实施例沿图10中I-I线的剖面分层结构图；图12为本申请又一实施例沿图10中I-I线的剖面分层结构图。所述粘结膜130的厚度沿所述第二区域R120指向所述第一区域R110方向渐变薄，且所述粘结膜130在所述第二透明基板120上的正投影覆盖所有所述第二功能显示区R211。
在本实施例中，所述粘结膜130的厚度沿所述第二区域R120指向所述第一区域R110方向渐变薄。换而言之，所述粘结膜130为楔形膜。可选的，所述粘结膜130由于厚度渐变形成的楔形角为0.15mrad～0.55mrad，所述粘结膜130具有厚度渐变结构的部分在所述第二透明基板120上的正投影至少覆盖所有所述第二功能显示区R211。所述第二功能显示区R211为第四表面122，形成所述第二图像P2的投影光线包含60％～100的S偏振光，所述第二功能显示区R211对以50°-72°入射的形成所述第二图像P2的投影光线的反射率大于或等于8％。优选的，形成所述第二图像P2的投影光线包含100％的S偏振光。厚度渐变的所述粘结膜130，通过楔形角修正了所述第一透明基板110和所述第二透明基板120的反射光线在所述第二功能显示区R211形成的重影。同时，当所述夹层玻璃10具有多个所述第二功能显示区R211时，所述粘结膜130在不同所述第二功能显示区R211的楔形角可以是相等的，也可以是不相等的。每个所述第二功能显示区R211的大小、形状及位置存在差异，且光源入射的角度也不相同，因此需要不同的楔形角进行修正所述第一透明基板110和所述第二透明基板120的反射光线在所述第二功能显示区R211形成的重影。当然，如果每个所述第二功能显示区R211 的设置条件一致，也可以采用相同的楔形角。
请参照图11，在一种实施例中，所述遮光层140设置在所述第三表面121，所述粘结膜130设置在所述遮光层140与所述第二表面112之间，所述粘结膜130具有厚度渐变结构的部分在所述第二透明基板120上的正投影覆盖所有所述第二功能显示区R211，所述粘结膜130可以修正所述第一透明基板110和所述第二透明基板120的反射光线在所述第二功能显示区R211形成的重影，提高了所述第二图像P2的清晰度。在另一种实施例中，请参照图12，所述遮光层140设置在所述第二表面112，所述粘结膜130设置在所述遮光层140和所述第三表面121之间，所述粘结膜130具有厚度渐变结构的部分在所述第二透明基板120上的正投影覆盖所有所述第二功能显示区R211，所述粘结膜130可以修正所述第一透明基板110和所述第二透明基板120的反射光线在所述第二功能显示区R211形成的重影，提高了所述第二图像P2的清晰度；或者，所述粘结膜130具有厚度渐变结构的部分在所述第二透明基板120上的正投影覆盖所有所述第一功能显示区R111和所有所述第二功能显示区R211，所述粘结膜130可以修正所述第一透明基板110和所述第二透明基板120的反射光线在所述第一功能显示区R111和所述第二功能显示区R211形成的重影，不但提高了所述第二图像P2的清晰度，还进一步提高了所述第一图像P1的清晰度，也提高了所述粘结膜130与所述第一透明基板110和所述第二透明基板120的制作效率。
请一并参照图13～图16，图13为本申请又一实施例沿图10中I-I线的剖面分层结构图；图14为本申请又一实施例沿图10中I-I线的剖面分层结构图；图15为本申请又一实施例沿图10中I-I线的剖面分层结构图；图16为本申请又一实施例沿图10中I-I线的剖面分层结构图。所述夹层玻璃10还包括介质膜150，所述介质膜150设置在所述第三表面121或者所述第四表面122，且所述介质膜150具有P偏振光反射功能，或者具有S偏振光反射功能，或者，所述介质膜150位于所述第四表面122，所述介质膜150具有S偏振光减反射能力且反射率小于6％，或者，所述介质膜150为高折射率层/低折射率层的叠层结构，位于所述第三表面121或所述第四表面122，反射P偏振光或S偏振光，或者，所述介质膜150包括至少一个金属层(1银-5银)，位于所述第二表面112或所述第三表面121，反射P偏振光，或者，所述介质膜150为叠层PET，夹在所述第二表面112和所述第三表面121之间，反射P偏振光。所述介质膜150在所述第二透明基板120上的正投影至少覆盖所有所述第二功能显示区R211。在一种实施例中，所述介质膜150在所述第二透明基板120上的正投影覆盖所有所述第二功能显示区R211。在另一种实施例中，所述介质膜150在所述第二透明基板120上的正投影覆盖所有所述第二功能显示区R211和所有所述第一功能显示区R111。
请参照图13，在图11所示的实施例的基础上，在所述第四表面122设置了所述介质膜150。在一种实施例中，当所述第四表面122一侧的光源含有60％～100％的P偏振光时，所述介质膜150具有P偏振光反射能力，且所述介质膜150的P偏振光反射率在10％以上，在50°-72°入射角度下第一透明基板110的第一表面111对P偏光的反射率很低，比如57°入射角下，第一表面111的P偏光反射率只有不到1％，弱化所述第一表面111的反射光，即进一步弱化了所述第四表面122一侧的光源在所述第一表面111和所述第四表面122的反射光的重影。在另一种实施例中，当所述第四表面122一侧的光源含有60％～100％的S偏振光时，所述介质膜150具有S偏振光反射能力，且所述介质膜150的S偏振光反射率在28％以上，弱化所述第一表面111的反射光，并利用不等厚的所述粘结膜130对所述第四表面122一侧的光源在所述第一表面111和所述第四表面122的反射图像叠加增强，即弱化了所述第四表面122一侧的光源在所述第一表面111和所述第四表面122的反射光的重影。在又一种实施 例中，当所述第四表面122一侧的光源含有60％～100％的S偏振光时，所述介质膜150在所述第二透明基板120上的正投影没有覆盖所有所述第一功能显示区R111，所述介质膜150具有S偏振光减反射能力且反射率不大于6％，弱化了所述第四表面122一侧光源在所述第四表面122的反射光，从而达到在第二功能显示区R211弱化所述第四表面122一侧光源在所述第一表面111和所述第四表面122反射光的重影。
请参照图14，在图12所示的实施例的基础上，在所述第四表面122设置了所述介质膜150。在一种实施例中，当所述第四表面122一侧的光源含有60％～100％的P偏振光时，所述介质膜150具有P偏振光反射能力，且所述介质膜150的P偏振光反射率在10％以上，在50°-72°入射角度下第一透明基板110的第一表面111对P偏光的反射率很低，比如57°入射角下，第一表面111的P偏光反射率只有不到1％，弱化所述第一表面111的反射光，即弱化了所述第四表面122一侧的光源在所述第一表面111和所述第四表面122的反射光的重影。在另一种实施例中，当所述第四表面122一侧的光源含有60％～100％的S偏振光时，所述介质膜150具有S偏振光反射能力，且所述介质膜150的S偏振光反射率在28％以上，弱化所述第一表面111的反射光，并利用不等厚的所述粘结膜130对所述第四表面122一侧的光源在所述第一表面111和所述第四表面122的反射图像叠加增强，即弱化了所述第四表面122一侧的光源在所述第一表面111和所述第四表面122的反射光的重影。在又一种实施例中，当所述第四表面122一侧的光源含有60％～100％的S偏振光时，所述介质膜150在所述第二透明基板120上的正投影没有覆盖所有所述第一功能显示区R111，所述介质膜150具有S偏振光减反射能力且反射率不大于6％，弱化了所述第四表面122一侧光源在所述第四表面122的反射光，从而达到在第二功能显示区R211弱化所述第四表面122一侧光源在所述第一表面111和所述第四表面122反射光的重影。
请参照图15，在图11所示的实施例的基础上，在所述遮光层140和所述粘结膜130之间设置所述介质膜150，所述介质膜150在所述第二透明基板120上的正投影覆盖所有所述第二功能显示区R211。在一种实施例中，当所述第四表面122一侧的光源含有60％～100％的P偏振光时，所述介质膜150具有P偏振光反射能力，且所述介质膜150的P偏振光反射率在10％以上，在50°-72°入射角度下第一透明基板110的第一表面111和第二透明基板120的第四表面122对P偏光的反射率很低，比如57°入射角下，P偏光反射率只有不到1％，弱化所述第一表面111和第四表面122的反射光，即弱化了所述第四表面122一侧的光源在所述介质膜150与第一表面111和所述第四表面122的反射光的重影。
请参照图16，在图12所示的实施例的基础上，在所述粘结膜130和所述第三表面121之间设置所述介质膜150。在一种实施例中，当所述第四表面122一侧的光源含有60％～100％的P偏振光时，所述介质膜150具有P偏振光反射能力，且所述介质膜150的P偏振光反射率在10％以上，弱化所述第一表面111的反射光，即弱化了所述第四表面122一侧的光源在所述第一表面111和所述第四表面122的反射光的重影。
请一并参照图17～图22，图17为本申请又一实施例沿图10中I-I线的剖面分层结构图；图18为本申请又一实施沿图10中I-I线的剖面分层结构图；图19为本申请又一实施例沿图10中I-I线的剖面分层结构图；图20为本申请又一实施例沿图10中I-I线的剖面分层结构图；图21为本申请又一实施例沿图10中I-I线的剖面分层结构图。所述粘结膜130为等厚膜，所述夹层玻璃10还包括介质膜150，所述介质膜150设置在所述第三表面121，或者所述第四表面122，或者被包裹在所述粘结膜130中，且所述介质膜150具有P偏振光反射功能，或者所述介质膜150具有偏振光反射能力且反射率小于6％，所述介质膜150在所述第二透明基 板120上的正投影至少覆盖所有所述第二功能显示区R211。
请参照图17，在图4所示的实施例的基础上，在所述第四表面122设置所述介质膜150。在一种实施例中，当所述第四表面122一侧的光源含有60％～100％的P偏振光时，所述介质膜150具有P偏振光反射能力，且所述介质膜150的P偏振光反射率在10％以上，在50°-72°入射角度下第一透明基板110的第一表面111对P偏光的反射率很低，比如57°入射角下，第一表面111的P偏光反射率只有不到1％，弱化所述第一表面111的反射光，即弱化了所述第四表面122一侧的光源在所述第一表面111和所述第四表面122的反射光的重影。在另一种实施例中，当所述第四表面122一侧的光源含有60％～100％的S偏振光时，所述介质膜150在所述第二透明基板120上的正投影只覆盖所有所述第二功能显示区R211，所述介质膜150具有S偏振光减反射能力且反射率不大于6％，弱化了所述第四表面122一侧光源在所述第四表面122的反射光，从而达到弱化所述第四表面122一侧光源在所述第一表面111和所述第四表面122反射光的重影。
请参照图18，在图3所示的实施例的基础上，在所述第四表面122设置所述介质膜150。在一种实施例中，当所述第四表面122一侧的光源含有60％～100％的P偏振光时，所述介质膜150具有P偏振光反射能力，且所述介质膜150的P偏振光反射率在10％以上，在50°-72°入射角度下第一透明基板110的第一表面111对P偏光的反射率很低，比如57°入射角下，第一表面111的P偏光反射率只有不到1％，弱化所述第一表面111的反射光，即弱化了所述第四表面122一侧的光源在所述第一表面111和所述第四表面122的反射光的重影。在另一种实施例中，当所述第四表面122一侧的光源含有60％～100％的S偏振光时，所述介质膜150在所述第二透明基板120上的正投影没有覆盖所有所述第一功能显示区R111，所述介质膜150具有S偏振光减反射能力且反射率不大于6％，弱化了所述第四表面122一侧光源在所述第四表面122的反射光，从而达到弱化所述第四表面122一侧光源在所述第一表面111和所述第四表面122反射光的重影。
请参照图19，在图4所示的实施例的基础上，在所述粘结膜130和所述遮光层140之间设置所述介质膜150。在一种实施例中，当所述第四表面122一侧的光源含有60％～100％的P偏振光时，所述介质膜150具有P偏振光反射能力，且所述介质膜150的P偏振光反射率在10％以上，在50°-72°入射角度下所述第一透明基板110的第一表面111和所述第二透明基板120的第四表面122对P偏光的反射率很低，比如57°入射角下，P偏光反射率只有不到1％，弱化所述第一表面111和第四表面122的反射光，即弱化了所述第四表面122一侧的光源在所述第一表面111和所述第四表面122的反射光的重影。
请参照图20，在图3所示的实施例的基础上，在所述粘结膜130和所述第三表面121之间设置所述介质膜150。在一种实施例中，当所述第四表面122一侧的光源含有60％～100％的P偏振光时，所述介质膜150具有P偏振光反射能力，且所述介质膜150的P偏振光反射率在10％以上，在50°-72°入射角度下所述第一透明基板110的第一表面111和所述第二透明基板120的第四表面122对P偏光的反射率很低，比如57°入射角下，P偏光反射率只有不到1％，弱化所述第一表面111和第四表面122的反射光，即弱化了所述第四表面122一侧的光源在所述第一表面111和所述第四表面122的反射光的重影。
请参照图21，在图4所示的实施例的基础上，在所述粘结膜130中设置所述介质膜150，是所述介质膜150被包裹在所述粘结膜130中。在一种实施例中，当所述第四表面122一侧的光源含有60％～100％的P偏振光时，所述介质膜150具有P偏振光反射能力，且所述介质膜150的P偏振光反射率在10％以上，在50°-72°入射角度下所述第一透明基板110的第一表 面111和所述第二透明基板120的第四表面122对P偏光的反射率很低，比如57°入射角下，P偏光反射率只有不到1％，弱化所述第一表面111和第四表面122的反射光，即弱化了所述第四表面122一侧的光源在所述第一表面111和所述第四表面122的反射光的重影。
请参照图22，在图3所示的实施例的基础上，在所述粘结膜130中设置所述介质膜150，是所述介质膜150被包裹在所述粘结膜130中。在一种实施例中，当所述第四表面122一侧的光源含有60％～100％的P偏振光时，所述介质膜150具有P偏振光反射能力，且所述介质膜150的P偏振光反射率在10％以上，在50°-72°入射角度下所述第一透明基板110的第一表面111和所述第二透明基板120的第四表面122对P偏光的反射率很低，比如57°入射角下，P偏光反射率只有不到1％，弱化所述第一表面111和第四表面122的反射光，即弱化了所述第四表面122一侧的光源在所述第一表面111和所述第四表面122的反射光的重影。
请参照图23和图24，图23为本申请又一实施例提供的夹层玻璃10区域划分结构示意图；图24为本申请又一实施例沿图23中I-I线的剖面分层结构图。所述夹层玻璃10还具有着色区R30，所述着色区R30位于所述光阻隔区R10背离所述透光区R20的一侧，所述夹层玻璃10还包括着色层180，所述着色层180承载于所述第二透明基板120，且所述着色层180设置于所述着色区R30，所述着色层180用于所述夹层玻璃10安装时的对位和车窗固定或固定件的粘结胶衬底表面。
在本实施例中，所述着色层180设置在所述夹层玻璃10在所述第四表面122一侧的最外侧表面，所述着色层180在所述第二透明基板120上的正投影正好覆盖所述着色区R30，所述着色区R30可以用于遮蔽后期安装的电子元器件或者线路，还可以用于辅助将所述夹层玻璃10安装在其他设备上，例如便于打胶或者对位或提高粘结强度。且所述第一区域R110的上边界高于位于所述第一区域R110的所述着色区R30的上边界，可选的，所述第一区域R110的上边界高于位于所述第一区域R110的所述着色区R30的上边界至少80mm，为所述第一功能显示区R111留出足够空间。
请参照图25，图25为本申请又一实施例提供的夹层玻璃区域划分结构示意图。所述夹层玻璃10还包括一个或多个第一投影光源170，所述第一投影光源170用于投影所述第一图像P1至所述第一功能显示区R111，且每个所述第一投影光源170对应一个所述第一功能显示区R111设置；及一个或多个第二投影光源190，所述第二投影光源190用于投影所述第二图像P2至所述第二功能显示区R211，且每个所述第二投影光源190对应一个所述第二功能显示区R211设置。
在本实施例中，所述第二投影光源190投影在所述第二功能显示区R211上，可以呈现出更大的所述第二图像P2，增加了所述夹层玻璃10图像显示的多样性。
请参照图26，图26为本申请又一实施例提供的夹层玻璃区域划分结构示意图。所述夹层玻璃10还包括一个或多个柔性显示屏160，所述柔性显示屏160设置在所述第一区域R110，且每一个所述柔性显示屏160对应一个所述第一功能显示区R111设置，所述柔性显示屏160用于显示所述第一图像P1；及一个或多个第二投影光源190，所述第二投影光源190用于投影所述第二图像P2至所述第二功能显示区R211，且每个所述第二投影光源190对应一个所述第二功能显示区R211设置。
在本实施例中，所述第二投影光源190投影在所述第二功能显示区R211上，可以呈现出更大的所述第二图像P2，增加了所述夹层玻璃10图像显示的多样性。
本申请提供了一种抬头显示系统，在一种实施例中(如图9)，所述抬头显示系统包括上述第一投影光源170及任意只包含第一功能显示区R111的实施例所述的夹层玻璃10。在另 一实施例中(如图25)，所述抬头系统包括上述第一投影光源170、第二投影光源190及任意包含第二功能显示区R211的实施例所述的夹层玻璃10。
在一种实施例中，形成所述第一图像P1的投影光线包含60％-100％的P偏振光，形成所述第二图像P2的投影光线包含60％-100％的S偏振光。
在另一种实施例中，形成所述第一图像P1的投影光线包含60％-100％的S偏振光，形成所述第二图像P2的投影光线包含60％-100％的P偏振光。
在又一实施例中，形成所述第一图像P1的投影光线包含60％-100％的P偏振光，形成所述第二图像P2的投影光线包含60％-100％的P偏振光。
在又一实施例中，形成所述第一图像P1的投影光线包含60％-100％的S偏振光，形成所述第二图像P2的投影光线包含60％-100％的S偏振光。
需要说明的是，优选的，上述投影光线包含100％的S偏振光或者包含100％的P偏振光，能够实现更好的投影效果。
请参照图27，图27为本申请提供的一种车辆示意图。本申请还提供了一种车辆1，所述车辆1包含上述任意实施例所述的夹层玻璃10，所述车辆1还包括车辆主体20；所述夹层玻璃10设置在所述车辆主体20上。所述夹层玻璃10请参阅前面描述，在此不再赘述。所述夹层玻璃10应用在所述车辆1时，所述第一透明基板110设置在所述车辆1外侧，所述第二透明基板120设置在所述车辆1内侧。
在本实施例中，所述车辆1可以但不仅限于为轿车、多用途汽车(multi-Purpose Vehicles，MPV)、运动型多用途汽车(Sport/Suburban Utility Vehicle，SUV)、越野车(Off-Road Vehicle，ORV)、皮卡、面包车、客车、货车等。所述夹层玻璃10与垂直平面的夹角称为装车角，通常为车辆装车角为50°～72°，若没有所述遮光层140的情况下，一方面所述车辆1内的投影在所述第一透明基板110和所述第二透明基板120上的反射光会形成重影，另一方面所述车辆1外的物体透过所述夹层玻璃10会和所述车辆1内的投影在所述夹层玻璃10上的反射光形成重影。所述遮光层140的设置弱化甚至消除了以上重影；所述介质膜150的设置进一步弱化甚至消除了以上重影和弱化甚至消除第二功能显示区R211的重影作用。在装车角可以为60°时，对所述透光介质膜150在所述第一功能显示区域R111对投影光线的反射进行了试验，得到数据如下两个表。
表1 无透明介质膜的夹层玻璃在光阻隔区上的所述第一功能显示区对投影光线的反射数据。
光源类型 反射率
普通光源 7.5％
P偏光 0.3％
S偏光 13％
表2 具有不同透明介质膜的夹层玻璃在所述第一功能显示区对投影光线的反射数据。
透明介质膜类型 光源类型 反射率
减反膜 普通光源 5.1％
P偏光反射膜 P偏光 11％
S偏光反射膜 S偏光 22％
其中，在表1中，当光源类型为普通光源时，普通光源发射的光线为无数偏振光的无规则集合，所以直接观察时不能发现光强偏于哪一个方向。这种沿着各个方向振动的光波强度都相同的光也可叫做自然光。当光源类型为P偏光时，所述光源发出的光线中P偏振光占比60％～100％。当光源的类型为S偏光时，所述光源发出的光线中S偏振光占比60％～100％。在表2中，光源类型请参照表1中光源类型的介绍，在此不再赘述。减反膜为前面提及的具有S偏振光减反射能力且反射率较低(小于6％)的介质膜150；P偏光反射膜为前面提及的具有P偏振光反射能力的介质膜150；S偏光反射膜为前面提及的具有S偏振光反射能力的介质膜150。从上述两个表的试验数据可以看出，在一种实施例中，在所述第一功能显示区R111，当所述第一投影光源170为普通光源，安装了所述减反膜之后，所述第四表面122对所述第一投影光源170在所述第一功能显示区R111的投影的反射率从7.5％下降到了5.1％。在另一种实施例中，在所述第一功能显示区R111，当所述第一投影光源170为P偏振光，安装了P偏光反射膜后，所述第四表面122对所述第一投影光源170在所述第一功能显示区R111的投影的反射率从0.3％提高到了11％。在又一种实施例中，在所述第一功能显示区R111，当所述第一投影光源170为S偏振光，安装了具有S偏光反射膜后，所述第四表面122对所述第一投影光源170在所述第一功能显示区R111的投影的反射率从13％提高到了22％。
可选的，所述夹层玻璃10还具有透明导电层，所述透明导电层安装在所述第一透明基板110和所述第二透明基板120之间，所述透明导电层具有反射红外线的隔热能力和加热功能中的至少一个，且所述透明导电层至少覆盖所述透光区R20区域80％以上。
可选的，所述第一图像P1的显示距离为0.5m～5m，所述第一图像P1可以是行车速度、邮箱油量或者发动机转速等关键信息；可选的，所述第二图像P2的显示距离为7.5m以上，所述第二图像P2可以是路线导航、超速提醒或者障碍物提醒等较大的图像显示。
尽管上面已经示出和描述了本申请的实施例，可以理解的是，上述实施例是示例性的，不能理解为对本申请的限制，本领域的普通技术人员在本申请的范围内可以对上述实施例进行变化、修改、替换和变型，这些改进和润饰也视为本申请的保护范围。

Claims (28)

  1. 一种夹层玻璃，其特征在于，包括：
    第一透明基板，所述第一透明基板具有相背设置的第一表面和第二表面；
    第二透明基板，所述第二透明基板具有相背设置的第三表面和第四表面，所述第三表面相较于所述第四表面邻近所述第二表面设置；
    所述夹层玻璃具有透光区及环绕所述透光区的至少部分周缘的光阻隔区；以及
    粘结膜，所述粘结膜位于所述第二表面和所述第三表面之间，用于粘结所述第一透明基板及所述第二透明基板；
    所述透光区的可见光透过率大于或等于70％，所述光阻隔区的可见光透过率小于或等于5％，所述光阻隔区包括位于所述透光区的底部的第一区域，所述第一区域具有一个或多个第一功能显示区，以用于显示第一图像。
  2. 如权利要求1所述的夹层玻璃，其特征在于，所述光阻隔区还包括：
    第二区域，所述第二区域位于所述透光区的顶部；及
    第三区域，所述第三区域位于所述透光区的侧部。
  3. 如权利要求1所述的夹层玻璃，其特征在于，所述第一功能显示区包括至少一个柔性显示屏，所述柔性显示屏位于所述第二表面和所述第三表面之间，所述柔性显示屏选用MiniLED显示屏、MicroLED显示屏和/或OLED显示屏。
  4. 如权利要求1所述的夹层玻璃，其特征在于，所述第一功能显示区包括至少一个投影显示区，能够形成所述第一图像的投影光线以50°-72°入射至所述投影显示区，所述投影显示区对所述入射的投影光线具有大于或等于4％的反射率。
  5. 如权利要求4所述的夹层玻璃，其特征在于，所述第一功能显示区为第四表面，所述入射的投影光线包含60％-100％的S偏振光，所述投影显示区对所述入射的投影光线的反射率大于或等于8％。
  6. 如权利要求4所述的夹层玻璃，其特征在于，所述第一功能显示区为第三表面或第四表面上的介质膜，所述入射的投影光线包含60％-100％的P偏振光，所述投影显示区对所述入射的投影光线的反射率大于或等于8％；或者所述入射的投影光线包含60％-100％的S偏光，所述投影显示区对所述入射的投影光线的反射率大于或等于8％。
  7. 如权利要求4所述的夹层玻璃，其特征在于，所述第一功能显示区为第三表面上的金属膜，所述入射的投影光线包含60％-100％的P偏振光，所述投影显示区对所述入射的投影光线的反射率大于或等于6％。
  8. 如权利要求4所述的夹层玻璃，其特征在于，所述第一功能显示区为叠层PET，所述入射的投影光线包含60％-100％的P偏振光，所述投影显示区对所述入射的投影光线的反射率大于或等于10％。
  9. 如权利要求3或4所述的夹层玻璃，其特征在于，所述光阻隔区包括深色油墨层或着色聚合物膜，所述深色油墨层设置在所述第二表面和/或所述第三表面上，所述着色聚合物膜设置在所述第二表面和所述第三表面之间。
  10. 如权利要求9所述的夹层玻璃，其特征在于，所述柔性显示屏或所述显示区比所述深色油墨层或着色聚合物膜更靠近所述第四表面。
  11. 如权利要求1所述的夹层玻璃，其特征在于，所述第四表面上设置有着色区，所述第一区域的上边界高于位于所述第一区域的所述着色区的上边界至少80mm。
  12. 如权利要求1-11任意一项所述夹层玻璃，其特征在于，所述透光区具有一个或多个第 二功能显示区，所述第二功能显示区包括至少一个投影显示区，用于显示第二图像。
  13. 如权利要求12所述的夹层玻璃，其特征在于，所述第一功能显示区包括至少一个投影显示区，所述第一图像的投影显示距离为0.5m～5m，所述第二图像的投影显示距离为7.5m以上。
  14. 如权利要求13所述的夹层玻璃，其特征在于，形成所述第一图像的投影光线以50°-72°入射至所述第一功能显示区的投影显示区，所述第一功能显示区的投影显示区对形成所述第一图像的投影光线具有大于或等于4％的反射率；形成所述第二图像的投影光线以50°-72°入射至所述第二功能显示区的投影显示区，所述第二功能显示区的投影显示区对形成所述第二图像的投影光线具有大于或等于8％的反射率。
  15. 如权利要求12或13所述的夹层玻璃，其特征在于，所述夹层玻璃还包括介质膜，所述介质膜至少位于所述第二功能显示区。
  16. 如权利要求15所述的夹层玻璃，其特征在于，所述介质膜还位于所述第一功能显示区。
  17. 如权利要求15所述的夹层玻璃，其特征在于，所述粘结膜为等厚膜，形成所述第二图像的投影光线包含60％-100％的P偏振光，所述介质膜为高折射率层/低折射率层的叠层结构、包括至少一个金属层或叠层PET，所述第二功能显示区的投影显示区对以50°-72°入射的形成所述第二图像的投影光线的反射率大于或等于10％。
  18. 如权利要求15所述的夹层玻璃，其特征在于，所述粘结膜为等厚膜或楔形膜，所述第四表面具有所述介质膜，所述介质膜为减反膜，且所述第二功能显示区为所述第一表面，形成所述第二图像的投影光线包含60％-100％的S偏振光，所述减反膜对形成所述第二图像的投影光线的反射率小于或等于6％，所述第二功能显示区的投影显示区对以50°-72°入射的形成所述第二图像的投影光线的反射率大于或等于8％。
  19. 如权利要求15所述的夹层玻璃，其特征在于，所述粘结膜为楔形膜，形成所述第二图像的投影光线包含60％-100％的S偏振光，所述介质膜为位于第三表面或第四表面的高折射率层/低折射率层的叠层结构，所述第二功能显示区的投影显示区对以50°-72°入射的形成所述第二图像的投影光线的反射率大于或等于28％。
  20. 如权利要求14所述的夹层玻璃，其特征在于，所述粘结膜为楔形膜，且所述第二功能显示区为所述第四表面，形成所述第二图像的投影光线包含60％-100％的S偏振光，所述第二功能显示区的投影显示区对以50°-72°入射的形成所述第二图像的投影光线的反射率大于或等于8％。
  21. 如权利要求13所述的夹层玻璃，其特征在于，形成所述第一图像的投影光线包含60％-100％的S偏振光或包含60％-100％的P偏振光。
  22. 如权利要求12所述的夹层玻璃，其特征在于，所述透光区还具有主视野区，所述第二功能显示区设于所述主视野区内，所述主视野区的下边界高于所述第一区域的上边界至少25mm。
  23. 一种抬头显示系统，其特征在于，所述抬头显示系统包括第一投影光源及如权利要求1-22任意一项所述的夹层玻璃，所述第一投影光源用于投射形成所述第一图像的投影光线至所述第一功能显示区。
  24. 如权利要求23所述的抬头显示系统，其特征在于，所述透光区具有一个或多个第二功能显示区，所述抬头显示系统还包括第二投影光源，所述第二投影光源用于投射形成所述第二图像的投影光线至所述第二功能显示区。
  25. 如权利要求24所述的抬头显示系统，其特征在于，形成所述第一图像的投影光线包含60％-100％的P偏振光，形成所述第二图像的投影光线包含60％-100％的S偏振光。
  26. 如权利要求24所述的抬头显示系统，其特征在于，形成所述第一图像的投影光线包含60％-100％的S偏振光，形成所述第二图像的投影光线包含60％-100％的P偏振光。
  27. 如权利要求24所述的抬头显示系统，其特征在于，形成所述第一图像的投影光线包含60％-100％的P偏振光，形成所述第二图像的投影光线包含60％-100％的P偏振光。
  28. 如权利要求24所述的抬头显示系统，其特征在于，形成所述第一图像的投影光线包含60％-100％的S偏振光，形成所述第二图像的投影光线包含60％-100％的S偏振光。
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