WO2023013570A1 - Panneau d'affichage embarqué et dispositif d'affichage - Google Patents

Panneau d'affichage embarqué et dispositif d'affichage Download PDF

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Publication number
WO2023013570A1
WO2023013570A1 PCT/JP2022/029436 JP2022029436W WO2023013570A1 WO 2023013570 A1 WO2023013570 A1 WO 2023013570A1 JP 2022029436 W JP2022029436 W JP 2022029436W WO 2023013570 A1 WO2023013570 A1 WO 2023013570A1
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WO
WIPO (PCT)
Prior art keywords
display panel
glass
molded body
resin molded
resin
Prior art date
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PCT/JP2022/029436
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English (en)
Japanese (ja)
Inventor
勝弘 松村
整 武田
Original Assignee
Ｍｃｃアドバンスドモールディングス株式会社
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
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Application filed by Ｍｃｃアドバンスドモールディングス株式会社 filed Critical Ｍｃｃアドバンスドモールディングス株式会社
Priority to KR1020247004313A priority Critical patent/KR20240034785A/ko
Priority to JP2023540325A priority patent/JPWO2023013570A1/ja
Priority to CN202280054520.3A priority patent/CN117836167A/zh
Publication of WO2023013570A1 publication Critical patent/WO2023013570A1/fr

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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
    • 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
    • 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
    • B60K37/00—Dashboards
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/12—Bonding of a preformed macromolecular material to the same or other solid material such as metal, glass, leather, e.g. using adhesives
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F21/00—Mobile visual advertising
    • G09F21/04—Mobile visual advertising by land vehicles
    • G09F21/049—Mobile visual advertising by land vehicles giving information to passengers inside the vehicles
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • 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
    • B60K2360/60—Structural details of dashboards or instruments
    • B60K2360/65—Features of dashboards

Definitions

  • the present invention relates to a display panel of an in-vehicle display device that displays information and images for car navigation and the like.
  • Display panels of in-vehicle display devices that display various information and images include those made of synthetic resin and those made of glass. Glass ones are often used.
  • the display panel is attached to the front frame of a housing housing an electronic device, and many of the glass panels are attached by attaching the back side thereof to the front frame using an adhesive tape or the like.
  • the method of attaching the display panel to the housing with adhesive tape or the like required complicated work such as preparing the adhesive tape necessary for fixing and adjusting the fixing position to be positioned accurately.
  • the display panel needs to be replaced because the display panel is damaged or damaged, it is difficult to replace the display panel if it is fixed with an adhesive tape or the like.
  • a locking portion such as a rib made of a resin member is integrally attached to the back side of the display panel made of glass by outsert molding, and provided on the front side frame portion of the housing.
  • a mode of attaching the display panel to the housing by coupling the locking portion to the locked portion has been studied (see, for example, Patent Document 1).
  • the display panel made of glass in order to improve the design of the display panel made of glass, it is required to form the display panel into a gently curved surface shape. For example, if the display panel of a car navigation system is formed into a glossy curved shape of glass, it will have a nice appearance. There is a concern that the adhesive tape will gradually peel off and the display panel will fall.
  • the display panel In order to eliminate the fear of falling, the display panel should be physically fixed to the housing. However, if the locking portion is thick as described above, the locking portion tends to be insufficiently fixed due to the difference in heat shrinkage between the glass and the resin. In addition, in a mode in which an engaging portion is provided by outsert molding on the back surface of a thin glass that can be processed into a curved shape, heat shrinkage of the resin used for the engaging portion causes the glass directly behind the portion where the engaging portion is provided. There is also a problem that "sink marks" in which the surface swells slightly in a convex shape occurs on the surface side of the plate. When the display panel reflects external light, the undulations on the surface of the glass appear as streak-like luster, which is a factor in deteriorating the quality of the appearance of the beautiful curved display panel.
  • the present invention provides a display panel for a vehicle, in which a resin molded body is provided on the back side of a thin glass display panel to serve as a locking portion for fixing to a housing. is integrally provided, a resin molded body can be stably fixed to the back surface of the display panel without causing undulations to appear on the surface of the display panel.
  • the present inventors provided a resin molded body on the back surface of the glass constituting the display panel. If the glass is sufficiently thick, swells cannot occur. It was found that undulations tend to appear on the surface of the
  • FIG. 3 shows the appearance of the surface side of the display panel.
  • the illustrated display panel 1 is formed by fixing a resin molded body 3 as a locking portion to the back side of a glass substrate 2 on which an adhesive layer 22 is arranged along the back peripheral portion of a glass plate 21.
  • the undulations on the glass surface often appear on the surface of the glass plate 21 directly behind the portion to which the resin molded body 3 is fixed, in a convex shape with a high central portion and a slightly low peripheral portion.
  • FIG. 3 shows the appearance of the surface side of the display panel.
  • the illustrated display panel 1 is formed by fixing a resin molded body 3 as a locking portion to the back side of a glass substrate 2 on which an adhesive layer 22 is arranged along the back peripheral portion of a glass plate 21.
  • the undulations on the glass surface often appear on the surface of the glass plate 21 directly behind the portion to which the resin molded body 3 is fixed, in a convex shape with a high central portion and a slightly low peripheral portion.
  • the shrinkage force (shrinkage amount) CF of the resin applied to the back surface of the glass when the resin in contact with the back surface of the glass solidifies into the shape of the molded body is The force that holds the glass flat (static force of the glass) SF is overcome, and this shrinkage force CF acts to locally deform the portion of the glass provided with the resin molded body into a convex shape (in the figure ), and it is presumed that this convex deformation is the cause of the waviness appearing on the glass surface.
  • the present inventor selected the material to be used for the resin molding based on the knowledge and assumptions described above, and verified whether or not the resin molding could be fixed to the glass with a shrinkage force smaller than the static force of the glass. As a result, the present invention has been completed.
  • the gist of the present invention is as follows.
  • An in-vehicle display panel having a configuration in which a resin molded body is provided on at least a portion of one of the front and back sides of a glass base material,
  • the resin molded body contains a thermoplastic elastomer, the resin molded body has a tensile modulus of 100 MPa or less, and a rubber hardness of 95 or less on the A scale according to JIS-K-6253. automotive display panel.
  • thermoplastic elastomer is a polyester thermoplastic elastomer.
  • the resin molded body is formed on a part of the glass base material, and the surface of the glass base material opposite to the part of the glass base material on which the resin molded body is formed has a flatness of 15 mm square.
  • the display panel of the present invention even when a resin molded body such as a locking portion for fixing to the housing is integrally provided on the back side of the thin glass display panel, the display The resin molded body can be stably fixed to the back surface of the display panel without causing the surface of the panel to show undulations.
  • FIG. 2 is an enlarged cutaway perspective view of a portion of the display panel of FIG. 1 provided with a resin molded body;
  • FIG. 2 is an enlarged external view of the surface side of the display panel in FIG. 1;
  • FIG. 4 is an enlarged cross-sectional view taken along line IV-IV in FIG. 3;
  • FIG. 4 is a graph showing measurement results of Examples and Comparative Examples.
  • the present invention provides an in-vehicle display panel having a configuration in which a resin molded body is provided on at least a part of one of the front and back sides of a glass substrate, and the resin molded body is It is characterized by containing a thermoplastic elastomer, having a tensile elastic modulus of 100 MPa or less, and having a rubber hardness of 95 or less on the A scale according to JIS-K-6253.
  • Elastomers are elastic, soft polymers like rubber, and resin materials containing them are easy to process due to their fluidity at high temperatures, and have strength even without fillers.
  • the resin molded body which is the locking part
  • the resin molded body can be stably fixed to the glass surface, and the shrinkage force of the resin during molding can be reduced. It is possible to suppress the occurrence of waviness on the glass surface by being small and being less than the static force of the glass. It is preferable that the tensile modulus of the resin molding formed of a material containing a thermoplastic elastomer is 100 MPa or less.
  • the tensile elastic modulus is greater than 100 MPa, the molded resin will be hard and the shrinkage force of the resin during molding will increase, so that the static force of the glass will be exceeded and the glass surface will easily undulate.
  • the pressure is 100 MPa or less, the convex deformation of the glass is suppressed to a small extent, and undulations become inconspicuous, or the shrinkage force of the resin becomes smaller than the static force of the glass, thereby preventing undulations from occurring.
  • the tensile modulus of elasticity is too small, the resin molded body becomes too soft and does not function as a locking portion, making it difficult to physically fix the display panel to the housing of the display device. Therefore, the lower limit of the tensile modulus of the resin molding is preferably 2 MPa or more, more preferably 9 MPa or more, and the upper limit is preferably 70 MPa or less, more preferably 50 MPa or less.
  • the thermoplastic elastomer preferably has a rubber hardness of 95 or less.
  • rubber hardness refers to the rubber hardness on the A scale according to JIS-K-6253. If the rubber hardness of the resin molded body formed of a material containing a thermoplastic elastomer is 95 or less, the resin molded body is moderately soft, and the shrinkage force of the resin is transmitted to the glass at the joint surface between the glass and the resin. It is possible to suppress and prevent undulation from occurring. If the rubber hardness is 40 or more, the locking member can have appropriate hardness.
  • the lower limit of rubber hardness is preferably 50 or more, more preferably 55 or more.
  • the upper limit is preferably 85 or less, more preferably 80 or less.
  • the resin molded body is formed on a part of the glass substrate, and the flatness of a 15 mm square on the opposite side of the glass substrate to the part of the glass substrate where the resin molded body is formed is It is preferably 20 ⁇ m or less. If the flatness of the surface of the glass base material satisfies the above numerical conditions, undulations are not conspicuous in appearance, and the display output of information and images on the display panel is not affected at all.
  • the in-vehicle display panel of the present invention may have a configuration in which a printed layer and an adhesive layer are laminated on a glass substrate, and a resin molding is arranged on the adhesive layer.
  • the glass base material is formed on the back side of a glass plate having a rectangular shape in plan view, and a black band is formed along the four side peripheral portions of the glass plate. It is possible to form a printed layer, laminate an adhesive layer on the surface of this printed layer, and form a resin molding on this adhesive layer.
  • the ink forming the printed layer may be any ink that can be directly printed on the glass plate. Those commercially available for glass plate printing can be used. Ink to which a silane coupling agent is added is preferable from the viewpoint of adhesion to glass.
  • the ink is used by containing a black colorant such as carbon black, and the printed layer forms a black colored portion on the surface of the glass plate.
  • Any adhesive layer may be used as long as it can bond the printed layer and the resin molding to be outsert-molded.
  • commercially available binder inks and adhesion reinforcing agents for injection molding can be used.
  • the thickness of the glass substrate in which the printed layer and the adhesive layer are laminated on one side surface of the glass plate is 0.2 mm or more and 2.0 mm or less, and the glass is curved into a curved shape. It is more preferable that it is 0.5 mm or less in applications where it is held and fixed. If it is 2.0 mm or less, it is possible to reduce the weight of the in-vehicle display panel and reduce the load on the engaging portion, which is preferable. Moreover, it is preferable because the sensitivity of the sensor adhered to the back surface of the display panel can be improved.
  • the thickness is 0.2 mm or more, even when the glass substrate is curved, it is less likely to break, which is preferable.
  • the glass substrate examples include borosilicate glass, aluminosilicate glass, and aluminoborosilicate glass. Low-alkali glasses and alkali-free glasses such as these glasses are also included. Furthermore, silica glass, soda-lime glass, and the like are included. Among these, borosilicate glass, aluminosilicate glass, aluminoborosilicate glass, and low-alkali glass thereof are preferable, and alkali-free glass thereof is more preferable.
  • the glass substrate may be colorless or colored, but is preferably colorless and transparent in order to improve the visibility of the display.
  • the resin molding uses a resin containing a thermoplastic elastomer as a material, it is more preferable to use a thermoplastic elastomer.
  • thermoplastic elastomer used for the resin molding include styrene-based elastomers, vinyl chloride-based elastomers, olefin-based elastomers, urethane-based elastomers, polyester-based elastomers, nitrile-based elastomers, and polyamide-based elastomers.
  • the resin molding is preferably a single thermoplastic elastomer, but may contain one or more known thermoplastic resins as long as the tensile modulus is 100 MPa or less.
  • thermoplastic resins include ABS resins, polypropylene resins, polyamide resins, polycarbonate resins, POM resins, PMMA resins, PBT resins, and PC-ABS resins.
  • the in-vehicle display panel of the present invention can be used as a display panel for devices that display various types of information and images.
  • Examples of display devices include car navigation systems, meter panels, and heater controllers.
  • the in-vehicle display panel of the present invention will be described based on an embodiment.
  • the examples shown below are examples for embodying the technical idea of the present invention, and the present invention is not limited to the forms described below.
  • FIG. 1 A vehicle-mounted display panel according to the present invention as shown in FIG. 1 was manufactured.
  • This display panel 1 is formed on the assumption that it will be used as a display panel for car navigation, and is constructed by integrally arranging a resin molding 3 as a locking portion on the back side of a rectangular glass base material 2. It is what was done.
  • the glass substrate 2 has a strip-shaped black colored portion 22 along the four side peripheral portions on the back side of a transparent glass plate 21, and has a thickness of about 0.5 mm as a whole. It is formed to a thickness of
  • the colored portion 22 is formed by laminating an adhesive layer 22b on a printed layer 22a provided on the back side of the glass substrate 2.
  • the printed layer 22a is formed by applying ink made of an acrylic urethane resin containing a silane coupling agent in a frame shape along the periphery of the back side of the glass plate 21. After drying the printed layer 22a, A two-liquid curable polyurethane ink is applied and dried to laminate the adhesive layer 22b on the upper surface of the printed layer 22a.
  • the resin molded body 3 is fixed to the back side of the glass base material 2 at three points, namely, the center of the upper side and the lower side of the left and right sides. Performance evaluation including whether or not undulation appears on the surface of the display panel 1 was performed by changing the material used for the resin molding 3 .
  • Example 1 Thermoplastic polyester elastomer "Hytrel (registered trademark) 4047N” (DuPont-Toray Co., Ltd.) is used as the material of the resin molding, and the resin molding is integrally fixed to the back surface of the glass substrate by injection molding. made a panel.
  • a plate sample having a size of 100 mm ⁇ 100 mm and a thickness of 2 mm was produced by injection molding.
  • the rubber hardness of the prepared sample was measured using a fully automatic micro rubber hardness tester "Model MD-1 Type A, JIS A approximation" (Kobunshi Keiki Co., Ltd.) owned by the Tohoku Industrial Technology Center, Shiga Prefecture.
  • the measured rubber hardness was 92 for the first measurement and 93 for the second measurement.
  • the rubber hardness of the prepared sample was measured using a durometer type A according to JIS-K-6253.
  • the measured rubber hardness was 94.
  • the elastic modulus of the materials used was obtained by conducting a tensile test according to JIS K 6251:2010.
  • a dumbbell-shaped No. 2 test piece was used.
  • the flatness of a 15 mm square glass substrate centered on the center of 3 was measured.
  • the flatness was measured using a "Surface Roughness/Contour Measuring Machine Form Tracer Avant FTA-D4000" (Mitutoyo Corporation).
  • the measurement by the measuring instrument conforms to the surface texture evaluation of JISB 0633:2001 and JISB 0651:2001.
  • Table 1 shows the above measurement results and confirmation results.
  • Example 2 Thermoplastic polyester elastomer "Hytrel (registered trademark) 3001" (DuPont-Toray Co., Ltd.) was used as the material for the resin molding, and a display panel was produced in the same manner as in Example 1, and the same measurements and confirmations were performed. rice field.
  • a sample prepared in the same manner as in Example 1 had a rubber hardness of 83 at the first measurement and a rubber hardness of 84 at the second measurement with the fully automatic micro rubber hardness tester. The rubber hardness measured using the durometer was 86.
  • Example 3 Thermoplastic polyester elastomer "TEFABLOCK (registered trademark) A1700N" (Mitsubishi Chemical Corporation) was used as the material for the resin molding, and a display panel was produced in the same manner as in Example 1, and the same measurements and confirmations were performed. rice field.
  • a sample prepared in the same manner as in Example 1 had a rubber hardness of 60 at the first measurement and a rubber hardness of 76 at the second measurement with the fully automatic micro-rubber hardness tester. The rubber hardness measured using the durometer was 78.
  • Example 4 Thermoplastic polyester elastomer "Tefablock (registered trademark) A1600N" (Mitsubishi Chemical Co., Ltd.) was used as the material for the resin molding, and a display panel was produced in the same manner as in Example 1, and the same measurements and confirmations were performed. rice field.
  • a sample prepared in the same manner as in Example 1 had a rubber hardness of 53 at the first measurement and a rubber hardness of 66 at the second measurement with the fully automatic micro-rubber hardness tester. The rubber hardness measured using the durometer was 69.
  • Example 5 Thermoplastic polyester elastomer "TEFABLOCK (registered trademark) A1400N" (Mitsubishi Chemical Corporation) was used as the material for the resin molding, and a display panel was produced in the same manner as in Example 1, and the same measurements and confirmations were performed. rice field.
  • a sample prepared in the same manner as in Example 1 had a rubber hardness of 43 at the first measurement and a rubber hardness of 43 at the second measurement with the fully automatic micro-rubber hardness tester. The rubber hardness measured using the durometer was 47.
  • Example 1 A thermoplastic polyester elastomer "Hytrel (registered trademark) 7247" (DuPont-Toray Co., Ltd.) was used as the material of the resin molding, and a display panel similar to that of Example 1 was manufactured. However, the resin molding was peeled off from the glass substrate and could not be fixed. The rubber hardness of the resin molding measured by a fully automatic micro-rubber hardness tester was 99 at the first measurement, and 99 at the second measurement. Moreover, the rubber hardness measured using a durometer was 99.
  • Example 2 Thermoplastic polyester elastomer "Hytrel (registered trademark) 5557” (DuPont-Toray Co., Ltd.) was used as the material for the resin molding, and a display panel was produced in the same manner as in Example 1, and the same measurements and confirmations were performed. rice field.
  • a sample prepared in the same manner as in Example 1 had a rubber hardness of 97 on the first measurement and a rubber hardness of 98 on the second measurement with the fully automatic micro-rubber hardness tester. The rubber hardness measured using the durometer was 98.
  • Example 5 is a graph showing the relationship between the elastic modulus of each material and the measured flatness of the glass of the display panel in each example and comparative example 2.
  • Example 1 to “Example 5" indicate “Example 1” to “Example 5"
  • “Comparison 2" indicates “Comparative example 2”.
  • Example 1 As shown in Table 1, when the presence/absence and state of undulations on the surface of the display panel were visually checked, it was clearly confirmed that undulations occurred in Comparative Example 2, and in Example 1, it was observed closely. It was confirmed that there was undulation, but the undulation was small and a little worrisome. Moreover, in Examples 2 to 5, the waviness was completely unnoticeable, and no waviness was visually observed. In the range of observation of the display panel of each example and comparative example, if the waviness of Example 1 is slightly worrisome, there is no deterioration in the appearance even when used as a display panel for car navigation. , it is considered that there is no practical problem.
  • the rubber hardness of the material used for the resin molded body is lower than the material of Comparative Example 2 and slightly higher than the material of Example 1. If it is 95 or less, the display panel It is presumed that it is possible to make the swell that occurs in the area inconspicuous to the extent that it is not noticeable. Further, as shown in the graph of FIG. 5, if the elastic modulus of the material used is 100 MPa or less, preferably 68 MPa or less, which is the elastic modulus of the material of Example 1, the undulation generated in the display panel is not noticeable. It is presumed that it is possible to make it less conspicuous or prevent the undulation from occurring.
  • the flatness of the display panel is 20 ⁇ m or less, preferably 15 ⁇ m or less, which is the flatness measured in Example 1, the undulation generated in the display panel is made inconspicuous to an unnoticeable level, or the undulation is prevented from occurring. It is speculated that it is possible to
  • the composite of the present invention is applied to the display panel of car navigation, but it can also be applied to the display panel of other information display devices.
  • the display panel is formed in a size corresponding to the display device, and an appropriate number of the resin moldings provided on the rear surface side of the glass base material are provided in accordance with the size of the display device. placed in position.
  • the shape and combination of the glass substrate and the resin molded body constituting the composite of the present invention are merely examples, and can be variously changed based on design requirements and the like without departing from the gist of the present invention.

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Abstract

Selon la présente invention, lorsqu'un corps moulé en résine tel qu'une partie de mise en prise pour fixer un boîtier est disposé d'un seul tenant sur le côté de surface arrière d'un panneau d'affichage en verre mince, le corps moulé en résine est lié de manière stable sans présenter d'ondes sur la surface du panneau d'affichage. Le panneau d'affichage (1) selon l'invention est formé par la liaison d'un seul tenant d'un corps moulé en résine (3) servant de partie de mise en prise à la surface arrière d'un substrat en verre (2). Une résine qui comprend un élastomère thermoplastique et qui a un module d'élasticité en traction inférieur ou égal à 100 MPa est utilisée en tant que matériau du corps moulé en résine (3). Du fait que le module d'élasticité en traction du corps moulé en résine (3) est faible, la force de compression de la résine pendant le moulage est maintenue basse et la génération d'ondes sur la surface en verre est supprimée.
PCT/JP2022/029436 2021-08-06 2022-08-01 Panneau d'affichage embarqué et dispositif d'affichage WO2023013570A1 (fr)

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Application Number Priority Date Filing Date Title
KR1020247004313A KR20240034785A (ko) 2021-08-06 2022-08-01 차재용 표시 패널 및 표시 장치
JP2023540325A JPWO2023013570A1 (fr) 2021-08-06 2022-08-01
CN202280054520.3A CN117836167A (zh) 2021-08-06 2022-08-01 车载用显示面板和显示装置

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JP2021129668 2021-08-06
JP2021-129668 2021-08-06

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WO2023013570A1 true WO2023013570A1 (fr) 2023-02-09

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007047621A (ja) * 2005-08-12 2007-02-22 Hitachi Ltd 表示装置及びこれを備える機器
JP2011118409A (ja) * 2011-01-19 2011-06-16 Hitachi Ltd 表示装置及びこれを備える機器
JP2013139136A (ja) * 2011-12-08 2013-07-18 Yoshida Technoworks Co Ltd ガラス一体型成形品の製造方法、ガラス一体型成形品

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103240840A (zh) 2012-02-06 2013-08-14 深圳富泰宏精密工业有限公司 玻璃与塑胶的复合体及其制备方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007047621A (ja) * 2005-08-12 2007-02-22 Hitachi Ltd 表示装置及びこれを備える機器
JP2011118409A (ja) * 2011-01-19 2011-06-16 Hitachi Ltd 表示装置及びこれを備える機器
JP2013139136A (ja) * 2011-12-08 2013-07-18 Yoshida Technoworks Co Ltd ガラス一体型成形品の製造方法、ガラス一体型成形品

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