TW201800827A - Cover glass and method for manufacturing the same - Google Patents

Abstract

The present invention provides a cover glass. The cover glass includes a main body and a frame surrounding the main body. The cover glass further includes a transparent camera window. The main body, the frame, and the camera window are integrated. The camera window is arranged in the frame, and the frame is made of an opaque or translucent material. The cover glass further includes a first bonding portion configured for securing a periphery of the camera window to the frame, and a second bonding portion configured for securing an periphery of the main body to the frame. The present invention further provides a manufacturing method for the cover glass.

Description

Glass cover plate and manufacturing method thereof

The invention relates to a glass cover plate, in particular to a glass cover plate for an electronic device and a manufacturing method thereof.

Due to the good strength and scratch resistance of glass materials, glass cover sheets are becoming more and more popular as shells in current electronic devices, especially consumer electronic devices. However, the current glass cover is mostly made of transparent glass and has a decorative coating on the inner surface. Therefore, the appearance of the glass cover is not easily differentiated. In addition, the consumer electronic device usually sets the camera and the flash. When the transparent glass cover is used as the outer casing, the camera will framing through the glass cover, and the transparent glass cover easily spreads various stray light to the camera. Affect image quality. Moreover, when the camera is shot with the flash, part of the light from the flash enters the glass cover and propagates to the camera, causing severe glare and affecting image quality.

In view of the above circumstances, it is necessary to provide a glass cover for preventing glare to solve the above problems.

In view of the above circumstances, it is also necessary to provide a method of manufacturing a cover glass to solve the above problems.

A glass cover panel includes a body and a bezel surrounding the body. The glass cover further includes a transparent camera window, the main frame and the frame are integrated with the camera window, the camera window is disposed on the frame, and the frame is made of an opaque or translucent material, and the glass cover is further A first joint for securing the perimeter of the camera window into the bezel and a second joint for securing the perimeter of the body into the bezel are included.

A method for manufacturing a glass cover plate, comprising: welding two first substrates to a main body substrate to form a first combined body, the two first substrates are respectively located at two ends of the main body substrate; The substrate and the third substrate are respectively disposed at two ends of the first combined body, and the two first substrates, the second substrate, and the third substrate surround the main substrate, the third base a first receiving slot is disposed in the first receiving slot, wherein the two first substrate, the second substrate, and the third substrate are disposed in the first receiving slot. The fourth substrate is made of an opaque or translucent material; the stacked first bonding body, the second substrate, the third substrate, the flash window substrate, and the fourth substrate are welded Forming a second combination; cutting the second combination to form at least one glass cover.

The glass cover comprises a main body, a frame and a transparent camera window. The main body, the frame and the camera window are integrated, the camera window is disposed in the frame, and the frame is made of an opaque or translucent material. Therefore, the frame of the glass cover can attenuate stray light projected through the glass cover to the camera window, thereby avoiding glare.

In the above method for manufacturing a glass cover plate, different substrate phases are first stacked and welded into a second combined body, and then the second combined body is cut to form at least one glass cover plate. The steps of the manufacturing method are simpler and more flexible than the way in which the camera window is directly fused with the frame.

FIG. 1 is a perspective view of an electronic device according to a first embodiment of the present invention.

2 is a schematic structural view of a glass cover plate according to a first embodiment of the present invention.

Figure 3 is a cross-sectional view of the cover glass of Figure 2 taken along line III-III.

4 is a simplified cross-sectional view of the electronic device shown in FIG. 1.

Fig. 5 is a schematic structural view of a cover glass in a second embodiment.

Fig. 6 is a flow chart showing a method of manufacturing a cover glass according to a first embodiment of the present invention.

7-9 are three schematic views of the method for manufacturing the glass cover plate of Fig. 6.

Fig. 10 is a schematic view showing the manufacturing process of the glass cover in the second embodiment.

The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

It should be noted that when an element is considered to be "connected" to another element, it can be directly connected to the other element or the element. When an element is considered to be "disposed on" another element, it can be either directly disposed on the other element or.

All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, unless otherwise defined. The terminology used in the description of the present invention is for the purpose of describing particular embodiments and is not intended to limit the invention. The term "and/or" used herein includes any and all combinations of one or more of the associated listed items.

The invention provides a glass cover plate and a method of manufacturing the same. The cover glass is suitable for use in a variety of electronic devices, such as consumer electronics such as cell phones and media players, or displays such as LCD displays.

FIG. 1 shows an electronic device 500 in a first embodiment of the present invention. The electronic device 500 includes a cover glass 100, a housing 200, and electronic components (not shown) disposed in the housing 200. The electronic components include, but are not limited to, a processor, a display screen, a camera, a flash, a battery, and the like. The cover glass 100 can be assembled to the housing 200 by adhesive or mechanical means. In the present embodiment, the cover glass 100 is disposed on the upper surface of the electronic device 500 having a display area (not shown). Of course, the glass cover 100 may also be disposed on the lower surface of the electronic device 500 or at the same time on the upper and lower surfaces of the electronic device 500.

The cover glass 100 includes a main body 10, a bezel 20, a camera window 30, and a flash window 40. The main body 10, the frame 20, the camera window 30 and the flash window 40 are integrated, and the main body 10, the frame 20, the camera window 30 and the flash window 40 each have a smooth connected outer surface, and the frame 20 is intersected with the camera window 30 and the flash window 40. It has a smooth outer surface.

The main body 10 is substantially rectangular. In the present embodiment, the main body 10 is a transparent display window corresponding to the display area of the electronic device 500. The material of the body 10 is a transparent glass. In other embodiments, the material of the main body 10 may also be other materials such as ceramic or quartz, and the ceramic material may be an alumina ceramic ceramic, but is not limited thereto.

The bezel 20 corresponds to a non-display area of the electronic device 500. In the present embodiment, the bezel 20 surrounds the periphery of the main body 10.

Referring to FIG. 2 and FIG. 3 simultaneously, the camera window 30 and the flash window 40 are disposed on the frame 20, and the camera window 30 is disposed adjacent to the flash window 40. The camera window 30 corresponds to the camera area of the electronic device 500, and the camera area includes at least the camera module 300 of the electronic device 500 (as shown in FIG. 4). The flash window 40 corresponds to the flash area of the electronic device 500. The flash area includes at least the flash module 400 of the electronic device 500 (as shown in FIG. 4). The flash module 400 is disposed adjacent to the camera module 300 for the camera module. 300 provides illumination.

The cover glass 100 further includes a first joint portion 51 surrounding the periphery of the camera window 30 for fixing the periphery of the camera window 30 into the bezel 20. The first joint portion 51 includes a fusion bond of the periphery of the camera window 30 and the bezel 20.

The cover glass 100 further includes a second joint 52 that surrounds the periphery of the body 10 for securing the perimeter of the body 10 into the bezel 20. The second joint portion 52 includes a fusion bond of the periphery of the camera window 30 with the bezel 20.

The cover glass 100 further includes a third joint 53 that surrounds the periphery of the flash window 40 for securing the periphery of the flash window 40 into the bezel 20. The third joint portion 53 includes a fusion bond of the periphery of the flash window 40 and the bezel 20.

Referring to FIG. 4 , the camera window 30 is located above the camera module 300 , and the flash window 40 is located above the flash module 400 . Both the camera window 30 and the flash window 40 are made of a transparent material. In the present embodiment, the transparent material is a transparent glass material. In other embodiments, the transparent material may also be other transparent materials such as ceramic or quartz, such as alumina ceramic materials.

The camera window 30 and the flash window 40 are disposed in the bezel 20, and the bezel 20 is made of an opaque or translucent material for greatly attenuating stray light projected through the cover glass 100 to the camera window 30. The color of the bezel 20 is, for example, black, white, or other opaque or translucent colors. The material of the bezel 20 may be a glass material, or other materials such as ceramic or quartz, such as an alumina ceramic material. The stray light entering the glass cover 100 can be absorbed by the bezel 20 to prevent stray light from being coupled to the camera window 30, thereby avoiding or reducing the problem of glare.

Referring to FIG. 5 , the glass cover 600 in the second embodiment includes a main body 610 , a frame 620 , a camera window 630 , and a flash window 640 . The cover glass 600 further includes a first joint 651 for securing the periphery of the camera window 630 to the bezel 620, a second joint 652 for securing the periphery of the body 610 to the bezel 620, and for the flash The periphery of the window 640 is fixed to the third joint 653 on the bezel 620.

The bezel 620 is made of an opaque or translucent material. The frame 620 includes two parallel first side edges 621 and two parallel second side edges 622, a first side edge 621, a second side edge 622, another first side edge 621 and another second side edge 622. The two ends are connected and the two are perpendicular. The two first side edges 621 are respectively disposed on opposite sides of the main body 10, and the second second side edges 622 are respectively disposed on the other two sides of the main body 10. The glass cover 600 in the second embodiment is similar to the glass cover 100 in the first embodiment, except that the first side 621 includes a plurality of first color portions 6211 arranged in parallel, each of the first color portions 6211. Having a color, and the first side 621 has at least two different colors; the second side 622 includes a plurality of second color portions 6221 arranged in parallel, each second color portion 6221 has a color, and the second side 622 has at least two different colors. The plurality of first color portions 6211 are perpendicular to the plurality of second color portions 6221.

The first side 621 is sequentially stacked by the first color portion 6211 of at least two colors, or sequentially arranged by a plurality of first color portions 6211 having different colors; the second side 622 may also be composed of at least two colors. The two color portions 6221 are sequentially arranged in a stack, or are sequentially arranged by a plurality of second color portions having different colors. The color of the first color portion 6211 and the second color portion 6221 is, for example, a dark color such as black, brown, or brown, or is white, red, or yellow. However, the present invention is not limited thereto, and the first color portion 6211 and the second color portion 6221 may be other colours.

Since the frame 620 includes the plurality of first color portions 6211 and the plurality of second color portions 6221, the frame 620 is entirely colored, so that the glass cover 600 can obtain a different appearance and is more beautiful.

It can be understood that in other embodiments, only one first side 621 includes a plurality of first color portions 6211, and the other first side 621 and the second second side 622 include only one color; or, only one second side The side 622 includes a plurality of second color portions 6221, and the other second side 622 and the two first side edges 621 include only one color.

Fig. 6 shows a method of manufacturing a cover glass in an embodiment of the present invention. Referring to FIG. 2, FIG. 7 to FIG. 9, the manufacturing method of the glass cover 100 includes the following steps.

601: The two first substrates 701 and the main body substrate 702 are thermocompression welded to form a first combined body 703, and the two first substrates 701 are respectively located at both ends of the main body substrate 702. In the present embodiment, the main body substrate 702 is a transparent substrate, and the two first substrates 701 are opaque or translucent substrates.

602: The second substrate 704 and the third substrate 705 are respectively placed on the two ends of the first combined body 703, so that the two first substrate 701, the second substrate 704, and the third substrate 705 surround the main substrate. 702. The third substrate 705 is provided with a first receiving groove 7051, and the camera window substrate 706 and the fourth substrate 707 are sequentially placed in the first receiving groove 7051.

The first receiving groove 7051 has a strip shape and extends in a direction that coincides with the longitudinal direction of the third substrate 705. The camera window substrate 706 is located between the third substrate 705 and the fourth substrate 707.

In the present embodiment, the second substrate 704, the third substrate 705, the fourth substrate 707, and the fifth substrate 709 are opaque or translucent substrates, and the camera window substrate 706 and the flash window substrate 708 are Transparent substrate.

In the embodiment, the third substrate 705 further includes a second receiving groove 7052, and the second receiving groove 7052 is parallel and spaced apart from the first receiving groove 7051. The step further includes: the flash window substrate 708 and the fifth substrate. The 709 is sequentially placed in the second receiving groove 7052.

It can be understood that in step 602, the stacking order of the second substrate 704, the third substrate 705, and the camera window substrate 706 can be varied differently.

603: The stacked first combined body 703, the second substrate 704, the third substrate 705, the camera window substrate 706, and the fourth substrate 707 are thermocompression welded to form a second combined body 710. The second combined body 710 has substantially the same cross section as the cover glass 100.

In this embodiment, the step further includes simultaneously hot-welding the stacked flash window substrate 708 and the fifth substrate 709 with other substrates.

604: Cutting the second combined body 710 to form at least one glass cover 100.

Preferably, the step further includes trimming the outer shape of the second combined body 710 before cutting the second combined body 710 such that the second combined body 710 has a smooth outer surface.

In the present embodiment, when the second combined body 710 is cut, the cutting is performed in a direction perpendicular to the first receiving groove 7051, and the cutting method may be a multi-wire cutting method. The multi-wire cutting method is a cutting processing method in which a high-speed reciprocating motion of a wire is used to bring the abrasive into a processing region for grinding, and a hard and brittle material such as glass is simultaneously cut into hundreds of sheets at a time. The plurality of glass cover sheets 100 can be efficiently formed by the multi-wire cutting method.

In other embodiments, only one glass cover 100 may be formed depending on the size of the second combined body 710.

The two first substrate 701, the second substrate 704, the third substrate 705, the fourth substrate 707, and the fifth substrate 709 form a frame 20 of the cover glass 100, and the body substrate 702 forms a cover glass. The main body 10 of the 100, the camera window substrate 706 and the flash window substrate 708 respectively form the camera window 30 of the cover glass 100 and the flash window 40.

Since the camera window substrate 706 is combined with the third substrate 705 and the fourth substrate 707 by fusion bonding, the camera window 30 and the frame 20 have a first joint portion 51, and the first joint portion 51 includes the peripheral material of the camera window 30. Fusion bonding with the material of the bezel 20. Since the main body substrate 702 and the two first base materials 701, the second base material 704 and the third base material 705 are welded together, the second joint portion 52 is provided between the main body 10 and the frame 20, and the second joint portion 52 includes A fusion bond between the peripheral material of the body and the bezel material. Similarly, there is a third joint 53 between the flash window 40 and the bezel 20.

In the present embodiment, the main body substrate 702, the camera window substrate 706, and the flash window substrate 708 are made of a transparent material. The first substrate 701, the second substrate 704, and the third substrate 705 are made of a material that is opaque or translucent material for attenuating light that is projected onto the camera window substrate 706. The material of the above substrate may be glass or other materials such as ceramic or quartz.

In addition, after step 604, the glass cover 100 may also be post-treated, and the post-treatment includes at least one of shape refining, surface polishing, chemical strengthening or PVD coating to form the finished glass cover 100.

In other embodiments, if the glass cover 100 needs to be formed into a curved surface, the cut glass cover 100 may be hot-bent formed after step 604.

Referring to FIG. 5 and FIG. 10 simultaneously, in the second embodiment, the first substrate 701, the second substrate 704, and the third substrate 705 respectively include a plurality of stacked glass sheets 7011, and each glass sheet 7011 has a The color, and the plurality of glass sheets 7011 include at least two different colors. The plurality of glass sheets 7011 form a plurality of first color portions 6211 and a plurality of second color portions 6221 of the bezel 620.

When the first substrate 701, the second substrate 704, and the third substrate 705 are provided, the plurality of glass sheets 7011 may be heat-welded in advance, or a plurality of stacked glass sheets 7011 may be directly provided to form the first combined body 703. The plurality of glass sheets 7011 are heat-sealed together with other substrates simultaneously with the second combined body 710.

In other embodiments, at least one of the first substrate 701, the second substrate 704, and the third substrate 705 includes a plurality of stacked glass sheets 7011.

The frame 620 of the glass cover 600 formed according to the method can have a plurality of colors, which increases the difference in appearance of the cover glass 600, and makes the cover glass 600 more beautiful.

The glass cover 100 includes a main body 10, a frame 20 and a transparent camera window 30. The main body 10, the frame 20 and the camera window 30 are integrated, and the frame 20 is made of an opaque or translucent material, and the camera window 30 is disposed on the frame 20. Therefore, the frame 20 of the glass cover 100 described above can prevent stray light from propagating to the camera window 30, thereby avoiding glare. Further, the frame 620 includes a plurality of first color portions 6211 and a second color portion 6221 to make the glass cover 600 more beautiful.

In the manufacturing method of the glass cover 100 described above, different base materials are stacked and welded to form a second combined body 710, and the second combined body 710 is cut to form a plurality of glass cover plates 100. The glass cover 100 further includes a first joint portion 51 and a second joint portion 52. The above-described manufacturing method can weld the body 10, the frame 20 and the camera window 30 at the same time, and the manufacturing efficiency is high. In addition, the method of directly welding the camera window 30 and the opening of the frame 20 can avoid the problem that the opening size of the camera window 30 and the frame 20 are not easily matched, thereby making the steps of the manufacturing method simpler and more flexible. .

In other embodiments, the body 10 can also be made of an opaque or translucent material. Accordingly, when the cover glass 100 is fabricated, the body substrate 702 can be an opaque or translucent substrate. At this time, the cover glass 100 can serve as the rear surface of the electronic device.

In other embodiments, the flash window 40 can be eliminated and the cover glass 100 can include only the camera window 30. Accordingly, when the cover glass 100 is manufactured, the second receiving groove 7052, the flash window substrate 708, and the fifth substrate 709 can be eliminated.

In other embodiments, the flash window 40 can be eliminated and the cover glass 100 can include two camera windows 30. Accordingly, when the cover glass 100 is manufactured, the other camera window 30 and the fifth substrate 709 are sequentially placed in the second receiving groove 7052.

In other embodiments, the method of forming the first combined body 703 and the second combined body 710 may be other welding methods, and is not limited to hot press welding.

In summary, the present invention complies with the requirements of the invention patent and submits a patent application according to law. The above is only a preferred embodiment of the present invention, and equivalent modifications or variations made by those skilled in the art will be included in the following claims.

500‧‧‧Electronic equipment

100,600‧‧‧glass cover

200‧‧‧shell

300‧‧‧ camera module

400‧‧‧Flash module

10,610‧‧‧ Subject

20,620‧‧‧Border

30,630‧‧‧ camera window

40,640‧‧‧Flash window

51, 651 ‧ ‧ first joint

52,652‧‧‧Second junction

53,653‧‧‧ Third Joint Department

621‧‧‧ first side

6211‧‧‧First Color Department

622‧‧‧ second side

6221‧‧‧Second Color Department

701‧‧‧First substrate

7011‧‧‧ glass piece

702‧‧‧ body substrate

703‧‧‧ first combination

704‧‧‧Second substrate

705‧‧‧ Third substrate

7051‧‧‧First storage slot

7052‧‧‧Second holding trough

706‧‧‧Camera window substrate

707‧‧‧fourth substrate

708‧‧‧Flash window substrate

709‧‧‧ Fifth substrate

710‧‧‧Second combination

no

10‧‧‧ Subject

20‧‧‧Border

30‧‧‧Camera window

40‧‧‧Flash window

51‧‧‧ first joint

52‧‧‧Second junction

53‧‧‧ Third Joint Department

Claims (10)

A glass cover plate comprising a main body and a frame surrounding the main body, wherein the glass cover further comprises a transparent camera window, the main body, the frame is integrated with the camera window, and the camera window is disposed on the frame And the frame is made of an opaque or translucent material, the glass cover further comprising a first joint for fixing the periphery of the camera window into the frame, and for fixing the periphery of the body to the frame Second joint. The glass cover of claim 1, wherein the first joint portion includes a welded joint of a periphery of the camera window and the frame, and the second joint portion includes a fusion joint of a periphery of the body and the frame. The glass cover of claim 1, wherein the frame comprises two first sides and two second sides, and the first side is respectively disposed on opposite sides of the body, and the second The side edges are respectively disposed on the other two sides of the main body, and at least one of the first side edges includes a plurality of first color portions disposed in parallel, each of the first color portions has a color, and the first side has at least two types. different color. The glass cover of claim 3, wherein at least one of the second sides comprises a plurality of second color portions disposed in parallel, each of the second color portions having a color, and the second side is at least There are two different colors, and the plurality of first color portions are perpendicular to the plurality of second color portions. The glass cover of claim 1, wherein the cover glass further comprises a transparent flash window, the flash window is disposed on the frame, and the flash window is adjacent to the camera window. A method for manufacturing a glass cover, comprising: The two first substrates are welded to the main body substrate to form a first combined body, the two first substrates are respectively located at two ends of the main body substrate; And placing the second substrate and the third substrate on the two ends of the first combined body, and surrounding the two first substrates, the second substrate, and the third substrate, the main substrate The third substrate is provided with a first receiving groove, and a flash window substrate and a fourth substrate are sequentially placed in the first receiving groove, the two first substrates, the second substrate, and the third The substrate and the fourth substrate are made of an opaque or translucent material; The first combined body, the second substrate, the third substrate, the flash window substrate and the fourth substrate are welded to form a second combined body; The second combination is cut to form at least one glass cover. The manufacturing method according to claim 6, wherein the second combined body is cut along a direction perpendicular to the first receiving groove, and the method of cutting the second combined body is a multi-wire cutting method. The manufacturing method of claim 6, wherein the manufacturing method further comprises hot-bending the glass cover after cutting the second combined body. The manufacturing method of claim 6, wherein at least one of the two first substrate, the second substrate, and the third substrate comprises a plurality of stacked glass sheets, and the plurality of glass sheets are at least Available in two different colors. The manufacturing method of claim 6, wherein the third substrate further comprises a second receiving groove disposed parallel to and spaced apart from the first receiving groove, the manufacturing method further comprising: after placing the third substrate The flash window substrate and the fifth substrate are sequentially placed in the second receiving groove.