WO2020187171A1 - Élément d'emballage de tête de caméra et dispositif électronique - Google Patents

Élément d'emballage de tête de caméra et dispositif électronique Download PDF

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Publication number
WO2020187171A1
WO2020187171A1 PCT/CN2020/079383 CN2020079383W WO2020187171A1 WO 2020187171 A1 WO2020187171 A1 WO 2020187171A1 CN 2020079383 W CN2020079383 W CN 2020079383W WO 2020187171 A1 WO2020187171 A1 WO 2020187171A1
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WIPO (PCT)
Prior art keywords
camera
electronic device
package
touch screen
soft glue
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Application number
PCT/CN2020/079383
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English (en)
Chinese (zh)
Inventor
余银标
王鸿基
丁加锋
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华为技术有限公司
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Publication date
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Publication of WO2020187171A1 publication Critical patent/WO2020187171A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof

Definitions

  • This application relates to the field of electronic technology, and in particular to a camera package and electronic equipment.
  • the present application discloses a camera package and electronic equipment, which can increase the screen-to-body ratio of the electronic equipment.
  • the technical solution of the present application provides a camera package for encapsulating a camera in an electronic device.
  • the camera package includes a steel sheet and a first soft rubber, and the steel sheet includes a first part and a second part. Part; the first part is connected with the first soft glue, and the second part is used to fix the middle frame of the electronic device; wherein: the steel sheet is used to perform the first soft glue Support; the first soft glue for contact with the touch screen cover of the electronic device; in the case of the camera installed in the electronic device, the camera and the second soft glue contact, so that the touch screen
  • the cover plate, the packaging member and the second soft glue encapsulate the lens of the camera in a sealing area.
  • the camera is packaged by using the aforementioned camera package. Since the material of the steel sheet is a hard steel, the first soft glue with a thin wall can be supported. Therefore, the area occupied by the first soft glue on the front panel of the electronic device in the package can be reduced by reducing the thickness of the thinnest wall thickness of the first soft glue. The first soft glue with a thin wall can still be supported by the steel sheet, so there is no need to use back glue to bond the first soft glue to the camera, reducing the risk of dirtying the camera. In addition, the steps of using back glue to bond the first soft glue to the camera are reduced, and the efficiency of camera installation can be improved.
  • the first soft glue is formed on the first part by injection molding.
  • the first soft rubber further includes an annular groove, and the first soft rubber is connected to the first part through the annular groove.
  • the first soft glue and the first part are connected through the annular groove, which can improve the stability of the connection between the two, thereby increasing the reliability of the camera packaging by using the camera package.
  • the first part includes a notch, and the notch has a protrusion at a position corresponding to the annular groove, and the first part passes through the notch and the corresponding protrusion and the first part.
  • a soft glue connection Connecting the first soft glue and the first part through the notch of the first part and the protrusion on the first soft glue can further improve the stability of the connection between the two, thereby improving the reliability of the camera package for the camera by using the camera package.
  • the notch may be in the shape of a dovetail groove.
  • the diameter of the viewing window of the camera is 3.05 mm; the thickness a of the steel sheet is 0.12 mm, the height b of the first soft rubber is 0.67 mm, and the The thinnest wall thickness is 0.08 ⁇ 0.2mm.
  • the thinnest wall thickness of the first soft rubber is 0.08 mm, 0.12 mm or 0.2 mm. Reducing the thickness d or e of the thinnest wall thickness of the first soft glue can reduce the area occupied by the first soft glue on the front panel of the electronic device in the package, thereby increasing the screen-to-body ratio of the electronic device.
  • the package allows the area occupied by the camera on the front panel to be expanded i by a + d + e outside the diameter of the camera window. Then the value of i is [0.28, 0.52] mm.
  • a is 0.12 mm
  • d is 0.14 mm
  • e is 0.18 mm
  • i is 0.44 mm.
  • the height b may take into account the impact of the shaking of the package inside the electronic device, so that when the package is shaking inside the electronic device, the first soft glue can always contact with the touch screen cover to form a sealed area to realize the sealing of the camera lens. Thereby, the reliability of packaging the camera with the camera package can be improved.
  • the height c considering the influence of the shaking of the package inside the electronic device is 0.1-0.15 mm, for example, 0.12 mm.
  • the gap width f between the first soft rubber and the camera is set to be 0.03-0.06 mm, for example, 0.04 mm.
  • the thinnest wall thickness of the first soft rubber is the thickness d of the two side walls of the annular groove or e.
  • the groove width of the annular groove is 0.12 mm
  • the thicknesses d and e of the two side walls of the annular groove are 0.18 mm and 0.14 mm, respectively, wherein the wall thickness d near the camera Is 0.18 mm.
  • the distance g between the steel sheet and the camera is 0.13 mm; this distance g can reduce damage to the camera by the steel sheet Case.
  • the distance h between the steel sheet and the touch screen panel of the electronic device is 0.25 to 0.35 mm.
  • the distance h is 0.29 mm. Setting the distance h between the steel sheet and the touch screen panel can reduce the contact between the steel sheet and the touch screen panel and damage the touch screen panel.
  • the distance f between the first soft glue and the camera is 0.03 to 0.06 mm.
  • the second part includes a first surface and a second surface, and the second surface is the second part close to the camera after the camera is installed on the electronic device
  • the first surface of the second part is fixed to the middle frame by a first adhesive; after the camera is installed on the electronic device, the second surface is fixed by a second adhesive
  • the viscosity of the first adhesive is greater than that of the second adhesive.
  • the second adhesive is a weaker adhesive, and the second adhesive is in contact with the camera after the assembly is completed. Due to the weak adhesiveness of the backing, it is easy to disassemble when the camera needs to be disassembled, thereby improving the convenience of disassembly and assembly of the camera. Adhesive with strong adhesiveness is adopted for the back glue, which can ensure the reliability of the bonding between the package and the middle frame.
  • embodiments of the present application provide an electronic device that includes a camera, a camera package, and a touch screen.
  • the touch screen includes a touch screen cover and a touch screen panel.
  • the touch screen panel is used for displaying and detecting touches.
  • Control signal wherein: the camera package is the camera package described in the first aspect or any one of the possible implementation manners of the first aspect.
  • the camera is sealed by a sealing area formed by the touch screen cover, the package and the second soft glue.
  • the camera package is fixed on the middle frame through adhesive; the camera is inserted by inverted button Assembly.
  • the bottom surface of the camera and the touch screen cover can be at a certain angle ⁇ .
  • ⁇ may be 20-50 degrees, for example 30 degrees.
  • the camera is inserted upside down near the edge of the middle frame, and the bottom surface of the camera contacts the inner point of the middle frame.
  • the first soft glue is in contact with the touch screen cover, so that the package, the second soft glue and the touch screen cover together form a sealing area to realize the sealing of the camera lens.
  • the camera is locked by the steel sheet, the first soft rubber, the middle frame and the second soft rubber, thereby improving the accuracy of the fixed position of the camera mounted on the electronic device.
  • the camera is on the front panel.
  • the area occupied is expanded by a smaller distance outside the diameter of the camera window, which can reduce the area occupied by the first soft glue in the package on the front panel of the electronic device, thereby increasing the screen-to-body ratio of the electronic device.
  • the process of installing the camera using the steel sheet, the first soft glue, the middle frame and the second soft glue card position reduces the difficulty of operation, does not need to use glue during installation, and improves the efficiency of installing the camera.
  • FIG. 1 is a schematic diagram of the front panel area of some electronic devices provided by the embodiments of this application;
  • FIG. 2 is a schematic structural diagram of a camera and a camera package provided in the prior art
  • Fig. 3 is a schematic structural diagram of another camera and camera package provided in the prior art
  • FIG. 4 is a schematic structural diagram of a camera and a camera package provided by an embodiment of the present application.
  • FIG. 5 is a schematic structural diagram of a camera package provided by an embodiment of the present application.
  • FIG. 6 is a schematic structural diagram of a first soft glue 702 provided by an embodiment of the present application.
  • FIG. 7 is a schematic diagram of the size of a camera package provided by an embodiment of the present application.
  • FIG. 8 is a schematic diagram of assembling a package 700 and a camera 400 provided by an embodiment of the present application.
  • FIG. 1 is a schematic diagram of the front panel area of some electronic devices provided by embodiments of the application.
  • the front panel of the electronic device 10 may include an area 100 and an area 200.
  • the area 100 is a display area, which can be used for display.
  • the area 200 is an area reserved for one or more of the following devices: camera, proximity light sensor, or earpiece, etc.
  • the camera may be arranged in the reserved area 200, and the camera occupies the area 300 in the reserved area 200.
  • FIG. 1 is a schematic diagram of the front panel area of some electronic devices provided by embodiments of the application.
  • the front panel of the electronic device 10 may include an area 100 and an area 200.
  • the area 100 is a display area, which can be used for display.
  • the area 200 is an area reserved for one or more of the following devices: camera, proximity light sensor, or earpiece, etc.
  • the camera may be arranged in the reserved area 200, and the camera occupies the area 300 in the reserved area 200.
  • the reserved area 200 can enable the electronic device to implement a water drop screen, a notch screen or a drill screen.
  • the touch screen includes a touch screen panel 900 and a touch screen cover 600.
  • the touch screen cover 600 may be, for example, a glass cover, and the touch screen panel 900 is used for displaying to realize the area 100 and is also used for detecting touch signals.
  • the above-mentioned area 200 can be obtained by designing the shape of the touch screen panel 900.
  • the area occupied by the camera, proximity light sensor, or earpiece on the front panel of the electronic device 10 can be reduced to reduce the reserved area 200.
  • the area 300 occupied by the camera is related to the window diameter of the camera and the camera package.
  • the camera package is used to encapsulate the lens of the camera in a sealed space to improve the dustproof and waterproof performance of the camera.
  • the window diameter of the camera is fixed, the smaller the area 300 occupied by the front panel of the electronic device 10 after the camera is packaged by the package, the smaller the reserved area 200 can be set, and the screen of the electronic device 10 occupies The greater the ratio.
  • the embodiment of the present application is not limited to the example of the area occupied by the camera and the touch screen shown in FIG. 1.
  • the area 200 can also be set in other positions, and the area 200 can also have other shapes and designs. It is not limited, and the embodiments of the present application are equally applicable to areas 200 designed in other positions or other shapes.
  • the camera package provided by the embodiment of the present application can be used in electronic equipment.
  • Electronic devices can be implemented as any of the following devices that include a camera: mobile phones, tablet computers (pad), portable game consoles, handheld computers (personal digital assistant, PDA), notebook computers, ultra mobile personal computers (UMPC) ), handheld computers, netbooks, vehicle-mounted media playback devices, wearable electronic devices, virtual reality (VR) terminal devices, augmented reality (augmented reality, AR) terminal devices and other digital display products.
  • FIG. 2 is a schematic structural diagram of a camera and a camera package provided in the prior art.
  • the camera 400 is packaged by a camera package 500.
  • the package 500 is in contact with the touch screen cover 600 to occupy an area 300 on the front panel of the electronic device 10.
  • the packaging member 500, the soft glue 1000 and the touch screen cover 600 form a sealed area to package the camera lens 401, thereby reducing the contamination of the camera lens 401.
  • the camera package 500 may be a soft plastic structure.
  • the soft rubber structure needs to be fixed on the middle frame of the electronic device, the motherboard bracket or the camera.
  • the wall thickness of the soft rubber structure is relatively thin, about 0.2 mm.
  • the soft plastic structure with a thin wall cannot be fixed on the middle frame of the electronic device or the motherboard bracket.
  • fixing the soft glue structure to the camera 400 needs to be realized by using glue, and there is a risk of overflowing glue and contaminating the camera 400.
  • FIG. 3 is a schematic structural diagram of another camera and camera package provided in the prior art.
  • the camera package 500 may be foam.
  • the use of foam as the package 500 requires certain tolerances to meet the adhesion accuracy of the foam.
  • the adhesion accuracy of the foam is ⁇ 0.15 mm.
  • the sealing width of the foam should be set to 0.6 to 0.8 mm. If the sealing width of the foam is 0.6 mm, and considering the precision of foam bonding, the area 300 occupied by the camera on the front panel needs to be expanded by 0.75 to 0.8 mm outside the diameter of the camera window.
  • a larger area 200 still needs to be reserved for the camera 400 on the front panel of the electronic device 10, which reduces the screen-to-body ratio of the electronic device.
  • FIG. 4 is a schematic structural diagram of a camera and a camera package provided by an embodiment of the present application.
  • the camera package 700, the touch screen cover 600 and the soft glue 1000 form a sealing area to encapsulate the camera lens, so that there is no need to glue the package to the camera through adhesive, reducing The camera lens is dirty.
  • the package 700 can be fixed on the middle frame 800 of the electronic device 10, not limited to being fixed on the middle frame 800, and can also be fixed on other parts of the electronic device, which is not limited in the embodiment of the present application.
  • the package 700 may be fixed on the middle frame 800 through the adhesive 1101.
  • the adhesive 1101 refer to the description of the example shown in FIG. 8 for details.
  • FIG. 5 is a schematic structural diagram of a camera package provided by an embodiment of the present application.
  • the package 700 includes a steel sheet 701 and a soft glue 702.
  • the soft rubber 702 can be formed on the steel sheet 701 by injection molding (liquid injection molding silicone, LIM).
  • the steel sheet 701 may include a first part 7011 and a second part 7012, and the first part 7011 is used to connect with the soft glue 702.
  • the soft glue 702 is the first soft glue
  • the soft glue 1000 is the second soft glue.
  • the first part 7011 of the steel sheet 701 may include one or more notches 7011a, and the soft rubber 702 corresponds to the notches 7011a after the injection molding is completed.
  • the connection position of includes a protrusion 7021, and for the protrusion 7021, refer to the example described in FIG. 6.
  • the second part 7012 can be fixed on the middle frame 800 through the adhesive 1101 to support the soft adhesive 702.
  • the embodiment of the present application does not limit the shape, size and number of the notches 7011a.
  • the notch 7011a is, for example, in the shape of a dovetail groove.
  • the number of notches 7011a on the steel sheet 701 of the package 700 is, for example, 1, 2, 3, or 4.
  • the side of the soft glue 702 close to the touch screen cover 600 is above the soft glue 702, and the side far away from the touch screen cover 600 is below the soft glue 702.
  • FIG. 6 is a schematic structural diagram of a soft glue 702 provided by an embodiment of the present application.
  • (a) in FIG. 6 is a rear view of the soft glue 702.
  • (B) in FIG. 6 is a cross-sectional view of the soft glue 702 avoiding the protrusion 7022.
  • (C) in FIG. 6 is a cross-sectional view of the soft glue 702 at the protrusion 7022.
  • the soft rubber 702 After the soft rubber 702 is formed by injection molding on the steel sheet 701, as shown in (a), (b) and (c) in Figure 6, the soft rubber 702 includes an annular groove 7021 through which the first part 7011 of the steel sheet 701 passes The groove 7021 is connected with the soft glue 702.
  • the annular groove 7021 of the soft rubber 702 further includes one or more protrusions 7022.
  • Each notch 7011 a on the steel sheet 701 corresponds to a protrusion 7022 on the soft rubber 702.
  • the notch 7011a on the steel sheet 701 is connected to the soft glue 702 through a corresponding protrusion 7022.
  • the steel sheet 701 and the soft rubber 702 are both annular structures.
  • the embodiment of the present application does not limit the cross-sectional shape of the annular groove 7021 and the cross-sectional shape of the steel sheet 701.
  • FIG. 7 is a schematic diagram of the size of a camera package provided by an embodiment of the present application.
  • the thickness a of the steel sheet 701 is 0.12 mm.
  • the width of the annular groove 7021 is also 0.12 mm.
  • the height b of the soft glue 702 is 0.67 mm.
  • the height b takes into account the impact of the package 700 shaking inside the electronic device 10, so that when the package 700 is shaking inside the electronic device 10, the soft glue 702 can always contact the touch screen cover 600 to form a sealed area to realize the sealing of the camera 400 lens .
  • the height c considering the influence of the shaking of the package 700 inside the electronic device 10 is 0.1-0.15 mm (for example, 0.12 mm).
  • the thickness d and e on both sides of the annular groove 7021 may be 0.14 mm and 0.18 mm, respectively.
  • the gap f between the soft glue 702 and the camera 400 is set to be 0.03-0.06 mm (for example, 0.04 mm).
  • the thinnest wall thickness of the soft rubber 702 can be 0.08 to 0.2 mm.
  • the thinnest wall thickness of the soft rubber 702 is 0.08 mm, 0.12 mm, or 0.2 mm.
  • the thinnest wall thickness may be the thickness of the thinnest side of the thicknesses d and e on both sides of the annular groove 7021.
  • reducing the thickness d or e of the thinnest wall thickness of the soft glue 702 can reduce the area occupied by the soft glue 702 on the front panel of the electronic device in the package 700, thereby increasing the screen-to-body ratio of the electronic device.
  • a certain distance g is set between the second part 7012 of the steel sheet 701 and the camera 400 to reduce the damage to the camera 400 by the steel sheet 701.
  • the distance g between the second portion 7012 of the steel sheet 701 and the camera 400 is, for example, 0.13 mm.
  • the distance h between the steel sheet 701 and the touch screen panel 900 is 0.25 to 0.35 mm (for example, 0.29 mm). Setting the distance h between the steel sheet 701 and the touch screen panel 900 can reduce the contact between the steel sheet and the touch screen panel 900 and damage the touch screen panel 900.
  • the foregoing examples of the size of the package 700 are only used to explain the embodiments of the present application and should not constitute a limitation.
  • the various parameters of the package 700 a, b, c, d, e, f, g, and h may also have other values.
  • the material of the steel sheet 701 is hard steel, which can support the soft rubber 702 with a thinner wall. Therefore, the area occupied by the soft glue 702 on the front panel of the electronic device in the package 700 can be reduced by reducing the thickness (d or e) of the thinnest wall thickness of the soft glue.
  • the soft glue 702 with a thin wall thickness can still be supported by the steel sheet 701, so that there is no need to use a back glue to bond the soft glue 702 to the camera, reducing the risk of dirtying the camera 400.
  • the steps of using a back glue to bond the soft glue 702 to the camera 400 are reduced, and the efficiency of camera installation can be improved.
  • the value range of d and e is [0.08, 0.2] mm.
  • the package 700 enables the area 200 occupied by the camera 400 on the front panel to be expanded i by a+d+e outside the diameter of the camera window. Then the value of i is [0.28, 0.52] mm.
  • a is 0.12 mm
  • d is 0.14 mm
  • e is 0.18 mm
  • i is 0.44 mm.
  • the package 700 is first fixed on the middle frame 800 through the adhesive 1101. Then, the camera 400 is inserted obliquely and backwards.
  • FIG. 8 is a schematic diagram of an assembly of a package 700 and a camera 400 provided by an embodiment of the present application.
  • the package 700 is fixed on the middle frame 800 by the adhesive 1101.
  • the second part 7012 of the steel sheet 701 is fixed on the middle frame 800 by the adhesive 1101.
  • the soft glue 702 contacts the touch screen cover 600.
  • the side of the second part close to the camera also includes adhesive 1102.
  • the adhesive 1101 is stronger than the adhesive 1102.
  • the adhesive 1102 adopts a weak adhesive, and the adhesive 1102 contacts the camera 400 after assembly.
  • the adhesive 1101 adopts a strong adhesive, which can ensure the reliability of the adhesion between the package 700 and the middle frame 800.
  • the adhesive 1001 is the first adhesive
  • the adhesive 1002 is the second adhesive
  • the second part 7012 includes a first surface and a second surface.
  • the second surface is the side of the second part 7012 close to the camera 400 after the camera 400 is mounted on the electronic device 10, and the first surface of the second part 7012 passes through the first adhesive 1001 is fixed on the middle frame 800. After the camera 400 is installed on the electronic device 10, the second surface is connected to the camera 400 through the second adhesive 1002.
  • the camera 400 When assembling the camera 400, as shown in FIG. 8(b), the camera 400 is inserted as close as possible to the middle frame 800, and the bottom surface of the camera 400 contacts the inner point of the middle frame 800, that is, the bottleneck point 1200.
  • the bottom surface of the camera 400 and the touch screen cover 600 can be at a certain angle ⁇ , and ⁇ may be 20-50 degrees (for example, 30 degrees).
  • ⁇ may be 20-50 degrees (for example, 30 degrees).
  • one end of the lens surface of the camera 400 abuts the soft glue 702, and then the other end of the lens surface of the camera 400 is buckled to reach the bottleneck point 1300.
  • the soft glue 1000 contacts the camera 400, and the soft glue 702 contacts the touch screen cover 600, thereby the package 700, the soft glue 1000 and the touch screen cover
  • the plates 600 together form a sealing area to seal the lens of the camera 400.
  • the camera 400 passes through the steel sheet 701, the soft rubber 702, the middle frame 800 and the soft rubber 1000 to improve the mounting position of the camera 400 on the electronic device 10.
  • the accuracy of the fixed position, the area 200 occupied by the camera on the front panel is expanded to a smaller distance outside the diameter of the camera window, which can reduce the area occupied by the soft glue 702 in the package 700 on the front panel of the electronic device.
  • the process of using the steel sheet 701, the soft rubber 702, the middle frame 800 and the soft rubber 1000 card positions to install the camera reduces the difficulty of operation, no glue is used during installation, and the efficiency of installing the camera is improved.

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Abstract

Les modes de réalisation de la présente invention concernent un élément d'emballage de tête de caméra et un dispositif électronique ; ledit élément d'emballage de tête de caméra est utilisé pour emballer la tête de caméra dans le dispositif électronique ; l'élément d'emballage de tête de caméra comprend une plaque d'acier et un premier adhésif souple, la plaque d'acier comprenant une première partie et une seconde partie ; la première partie est reliée au premier adhésif souple, et la seconde partie est utilisée pour être fixée à un cadre intermédiaire du dispositif électronique ; la plaque d'acier est utilisée pour supporter le premier adhésif souple ; le premier adhésif souple est utilisé pour entrer en contact avec un panneau de recouvrement d'écran tactile du dispositif électronique ; lorsque la tête de caméra est installée dans le dispositif électronique, la tête de caméra est en contact avec un second adhésif souple, et le panneau de recouvrement d'écran tactile, l'élément d'emballage, et le second emballage adhésif souple, la tête de lentille de la caméra dans une zone scellée. La mise en oeuvre des modes de réalisation de la présente invention peut augmenter le rapport d'écran du dispositif électronique.
PCT/CN2020/079383 2019-03-19 2020-03-14 Élément d'emballage de tête de caméra et dispositif électronique WO2020187171A1 (fr)

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CN201910208344.4 2019-03-19
CN201910208344.4A CN109951620B (zh) 2019-03-19 2019-03-19 摄像头封装件和电子设备

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CN114095812A (zh) * 2021-01-06 2022-02-25 北京沃东天骏信息技术有限公司 一种电子设备

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