CN209911948U - Non-cavity type laminated assembly structure suitable for flexible screen - Google Patents
Non-cavity type laminated assembly structure suitable for flexible screen Download PDFInfo
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- CN209911948U CN209911948U CN201920866485.0U CN201920866485U CN209911948U CN 209911948 U CN209911948 U CN 209911948U CN 201920866485 U CN201920866485 U CN 201920866485U CN 209911948 U CN209911948 U CN 209911948U
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Abstract
The utility model provides a non-cavity type lamination assembly structure suitable for a flexible screen, which comprises a flexible screen, wherein a flexible lamination is superposed on the back surface of the flexible screen, and the flexible lamination is directly combined with a rear cover shell; the contact surface of the flexible laminated layer and the flexible screen is flat and is tightly attached together. The utility model provides a non-cavity formula stromatolite package assembly of flexible screen changes the rigid material supporter and the display screen cavity combination mode in the technique in the past, has got rid of the cavity structures of rib and post formation in the middle of supporter and the back lid casing in the past, and the pressure that makes inside receive is through the mode of local deformation transmitting downwards layer upon layer. Adopt deformable stromatolite body directly to replace former rigid material support body, in the condition of whole atress of product, flexible screen/stromatolite body produce deformation together to keep the laminating state and reduced the thickness and the weight of complete machine.
Description
Technical Field
The utility model relates to a mobile terminal designs technical field, especially relates to a new assembly structure who is applicable to flexible screen among ultra-thin and deformable mobile terminal.
Background
The mobile devices containing on-screen display functions that are currently the mainstream are also rigid and do not have the flexible feature. As shown in fig. 1/2, the overall structure of the conventional screen is a cavity, the display screen 101 is attached and fixed to the outer surface of the cavity, the PCB103 and the battery 104 are accommodated inside the cavity, the cavity generally comprises a rigid middle frame 102 and a rear cover 105, the middle frame 102 or the rear cover 105 respectively extends a plurality of ribs 1052 and pillars 1051 to form a plurality of cavity structures for placing and protecting other devices such as PCBs or batteries, when external force is applied to the upper side of the cavity, the force is transmitted to the rear cover casing through the ribs and the pillars, and the devices such as the battery and the PCB in the middle of the cavity are not subjected to the force from the surface of the screen.
The thickness of the whole screen is increased due to the arrangement of rigid supporting materials; meanwhile, due to the structural form of the cavity, the external pressure acting on the display screen is point-like, the cavity structural form formed by the local ribs/pillars is transmitted to the rear cover shell, and the cavity structural form cannot be integrally diffused to the rear cover shell, so that the display screen is easily damaged.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that the whole machine can be deformed and ultrathin after the existing flexible screen is assembled, the utility model provides a non-cavity type laminated assembly structure suitable for a flexible screen, which comprises a flexible screen, wherein a flexible laminated layer is superposed on the back surface of the flexible screen, and the flexible laminated layer is directly combined with a rear cover shell; the contact surface of the flexible laminated layer and the flexible screen is flat and is tightly attached together.
Preferably, the flexible laminate includes a PCB and a flexible battery, the flexible screen, the PCB and the flexible battery are sequentially stacked, or the flexible screen, the flexible battery and the PCB are sequentially stacked, or the flexible battery and the flexible screen are located in the same plane and then stacked on the PCB, or the PCB and the flexible screen are located in the same plane and then stacked on the flexible battery.
Preferably, the flexible screen is tightly attached to the flexible battery and the flexible battery is tightly attached to the PCB.
Preferably, an auxiliary gasket is additionally arranged between the PCB and the rear cover shell, an opening is formed in the auxiliary gasket, and the opening is used for placing and installing components on the PCB.
Preferably, the flexible screen adopts the flexible screen that possesses the display function, or adopts the flexible display module group that is formed by capacitive touch layer, resistive touch layer, the compound of electromagnetism pen response layer.
Preferably, the PCB board is a rigid printed circuit board or a flexible circuit board.
Preferably, the flexible battery is a thin sheet battery that can withstand some bending.
Preferably, a structural reinforcing layer is additionally arranged between the flexible screen and the flexible laminated layer or between each layer in the flexible laminated layer.
The utility model discloses owing to adopt above technical scheme, make it compare with prior art, the advantage that has and positive effect are:
the utility model provides a non-cavity formula stromatolite package assembly suitable for flexible screen changes the supporter material of display screen in the prior art, adopts flexible PCB board or flexible battery or both sub-assembly lamination body direct substitution rigid material in the past, has eliminated the structure between display screen and PCB/battery, is favorable to greatly reducing the whole thickness and the weight of mobile terminal product and has improved the roughness after the flexible screen laminating; all parts are formed by stacking and accumulating, a cavity structure formed by ribs and columns between a conventional stacked body and a rear cover shell is removed, pressure applied to the interior is transmitted downwards layer by layer in a local deformation mode, the point pressure applied to the flexible screen is dispersed on the stacked body and further diffused on the rear cover shell, and when the surface of the whole flexible screen is stressed, the whole flexible screen can deform together and keep a bonding state, so that flexibility and variability are really achieved.
Drawings
The above and other features and advantages of the present invention will be more clearly understood from the following detailed description taken in conjunction with the accompanying drawings.
FIG. 1 is a schematic disassembled view of an assembled structure of a display screen in the prior art;
FIG. 2 is a cross-sectional view of an assembled structure of a display panel in the prior art;
FIG. 3 is a schematic view of a non-cavity type laminated assembly structure suitable for a flexible screen in example 1;
fig. 4 is a schematic view of a non-cavity type laminated assembly structure suitable for the flexible screen in embodiment 2.
Description of the symbols:
101-display screen
102-rigid support
103-PCBA
104-cell
105-rear cover case
1051-Upper column of rear cover casing
1052-rear cover shell upper rib
106-pen
201-Flexible Screen
202-flexible battery
203-PCB board
2031-parts welded on PCB
204-auxiliary shim
205-rear cover case
206-pen
301-Flexible Screen
302-PCB board
3021 parts for solder mounting on PCB
303-Flexible Battery
304-rear cover case
305-pen
Detailed Description
The invention will be described in more detail hereinafter with reference to the accompanying drawings showing embodiments of the invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. In the drawings, the size and relative sizes of layers and regions may be exaggerated for clarity.
The utility model provides a non-cavity type lamination assembly structure suitable for a flexible screen, which comprises a flexible screen, wherein a flexible lamination is superposed on the back surface of the flexible screen, and the flexible lamination is directly combined with a rear cover shell; wherein, the contact surface of flexible stromatolite and flexible screen is level and smooth, and closely laminate together.
The utility model changes the supporting body material of the display screen in the prior art, adopts the deformable flexible lamination to directly replace the rigid material in the prior art, is beneficial to greatly reducing the whole thickness and weight of the mobile terminal product and improving the flatness of the flexible screen after being laminated; simultaneously, the flexible screen, flexible stromatolite, the direct stack laminating of back lid casing is assembled together, has got rid of the cavity structure that the rib and the post formed in the middle of the body of laminating and back lid casing in the past, and the pressure that makes inside receive is passed downwards layer by layer through the mode of local deformation, and the punctiform pressure that makes the flexible screen receive disperses on the flexible stromatolite, and then on diffusing the back lid casing, when the complete machine surface atress of flexible screen, the complete machine all can take place deformation and keep the laminating state together, really reaches flexibility and deformable state.
The following further description is made with respect to specific embodiments:
example 1
Referring to fig. 3, in the present embodiment, the flexible laminate includes a PCB203 and a flexible battery 202, and the flexible screen 201, the flexible battery 202, and the PCB203 are sequentially stacked.
Of course, in other embodiments, the flexible screen 201, the PCB203, and the flexible battery 202 may be sequentially stacked in the vertical direction, the stacking sequence of the flexible battery 202, the PCB203, and the flexible screen 201 may be adjusted according to specific situations, specifically, when the difference in the external dimensions of the flexible battery 202 and the PCB203 is small, the PCB203 is located above the flexible battery 202, or the flexible battery 202 is located above the PCB203, and the stacked body located above is then attached to the flexible screen 201.
In this embodiment, the back surface of the flexible screen 201 is tightly attached to the flexible battery 202, the flexible battery 202 is tightly attached to the PCB203, and the attaching surfaces of the flexible battery 202 and the PCB are flat, so that the rigid structural support body between the conventional display screen and the battery is completely eliminated, and the thickness of the whole device is reduced.
The flexible battery 202 may be attached to cover the entire surface of the PCB203, or may be only partially attached to cover the surface of the PCB203, such as shown in fig. 3, which is not limited herein. When the non-attaching area of the PCB203 facing the attaching surface is included (i.e. the flexible battery 202 partially covers the surface of the PCB 203), the component 2031 may be soldered to the PCB203 to form a PCBA, and the component 2031 soldered to the PCB203 and the flexible battery 202 form a height close to the horizontal direction, and then attach to the back surface of the flexible screen 201.
In the present embodiment, the flexible laminate formed by the flexible battery 202 and the PCB203 is laminated and combined with the back cover housing 205, so as to eliminate the cavity structure formed by ribs and pillars between the support and the back cover housing 204 in the prior art, thereby reducing the weight of the whole device.
Further, an auxiliary gasket 204 is additionally arranged between the flexible PCB203 and the rear cover shell 205; the auxiliary pad 204 is provided with an opening for placing components mounted on the PCB.
When the surface of the flexible screen 201 is subjected to an external force, for example, a point-like pressure of the pen 206 disperses the pressure on the flexible battery 202, and the flexible battery 202 has a certain flexibility and is deformable, so that the force on the flexible battery 202 is dispersed to the PCB203 and the auxiliary pad 204, and further dispersed to the rear cover housing 205. Therefore, when the surface of the flexible screen 201 deforms under stress, all parts overlapped with the flexible screen 201, including the laminated body/the flexible battery 202/the PCB 203/the auxiliary gasket 204/the rear cover shell 205, deform together and keep the bonding state, so that the deformable state of the whole flexible screen is really achieved.
In this embodiment, a structure enhancement layer is additionally disposed between the flexible screen 201 and the flexible laminate or between each layer inside the flexible laminate (for example, between the flexible battery and the PCB); the purpose of the arrangement of the structural reinforcement layer is to distribute the point-like pressure acting on the flexible screen over a larger local area, reducing the pressure drop over the laminate.
The material of the structure-enhancing layer may be a deformable plastic material, and the like, which is not limited herein.
In this embodiment, the flexible screen 201 is a flexible screen with a display function, or a flexible display module formed by combining a capacitive touch layer (sensing finger touch), a resistive touch layer, and an electromagnetic pen sensing layer, and is not limited herein and can be adjusted according to specific situations.
In this embodiment, the PCB203 is a printed circuit board PCB or a flexible printed circuit board (FPC-PCB), and the material may be FR-4, FR-1, CEM-1, aluminum substrate, copper substrate, etc., without limitation.
In the present embodiment, the flexible battery 202 is a sheet-like battery that can withstand some bending, and is not limited herein.
Example 2
Referring to fig. 4, this embodiment is an adjustment based on embodiment 1.
Specifically, the flexible laminate includes a PCB 302 and a flexible battery 303, and in this embodiment, when the difference between the external dimensions of the PCB 302 and the flexible battery 303 is large, that is, when the dimension of one of the PCB 302 or the flexible battery 303 is greatly reduced compared to that of embodiment 1, the PCB 302 or the flexible battery 303 with a smaller dimension may be arranged in the same plane as the flexible screen 301, and then stacked on the other flexible battery 303 or the PCB 302 with a larger dimension.
For example, in this embodiment, the size of the flexible battery 303 is much larger than that of the PCB 302, and at this time, the PCB 302 is located above the flexible battery 303, and the PCB 302 and the flexible screen 301 form a height similar to each other in the horizontal direction; the back of the flexible screen 301 is mounted on the surface of a flexible battery 303, and the surface of the flexible battery 303 attached to the flexible screen 301 is flat.
A non-bonding area which is not bonded with the flexible battery 303 exists below the plane of the PCB 302 and the flexible screen 201, the area can be welded with a mounting part 3021 to form a PCBA, and the part 3021 welded and mounted on the PCB 302 and the flexible battery 303 form a height close to the horizontal direction.
The flexible battery 303 and the back cover shell 304 are combined together in a laminated mode, auxiliary gaskets such as foam/plastic materials and the like can be placed between the flexible battery 303 and the back cover shell 304 to protect the flexible battery 303, a cavity structure formed by ribs and columns between the conventional laminated body and the back cover shell 304 is eliminated, and the weight of the whole machine is reduced.
In this embodiment, when the surface of the flexible screen 301 is subjected to an external force, such as a point-like pressure of the pen 305, the pressure is dispersed to the PCB 302 and the flexible battery 303, and since the PCB 302 and the flexible battery 303 have certain flexibility and deformability, the force on the PCB 302 and the flexible battery 303 is dispersed to the rear cover housing 304, so as to achieve a deformable state of the flexible screen.
It will be appreciated by those skilled in the art that the invention can be embodied in many other specific forms without departing from the spirit or scope of the invention. Although embodiments of the present invention have been described, it is to be understood that the invention is not limited to those embodiments, and that changes and modifications may be made by one skilled in the art within the spirit and scope of the invention as defined in the appended claims.
Claims (8)
1. A non-cavity type laminated assembly structure suitable for a flexible screen is characterized by comprising the flexible screen, wherein a flexible laminated layer is superposed on the back surface of the flexible screen, and the flexible laminated layer is directly combined with a rear cover shell; the contact surface of the flexible laminated layer and the flexible screen is flat and is tightly attached together.
2. The non-cavity type laminated assembly structure suitable for the flexible screen according to claim 1, wherein the flexible laminated layer comprises a PCB board and a flexible battery, and the flexible screen, the PCB board and the flexible battery are sequentially stacked, or the flexible screen, the flexible battery and the PCB board are sequentially stacked, or the flexible battery and the flexible screen are positioned in the same plane and then stacked on the PCB board, or the PCB board and the flexible screen are positioned in the same plane and then stacked on the flexible battery.
3. The non-cavity laminate assembly structure for a flexible screen according to claim 2, wherein the flexible screen is tightly attached to the flexible battery and the flexible battery is tightly attached to the PCB.
4. The non-cavity type laminated assembly structure suitable for the flexible screen according to claim 2, wherein an auxiliary gasket is additionally arranged between the PCB board and the rear cover shell, and the auxiliary gasket is provided with an opening for placing a component mounted on the PCB board.
5. The non-cavity type stacked assembly structure suitable for the flexible screen according to claim 2, wherein the flexible screen is a flexible screen with a display function, or a flexible display module formed by combining a capacitive touch layer, a resistive touch layer and an electromagnetic pen sensing layer.
6. The non-cavity type laminated assembly structure suitable for the flexible screen according to claim 2, wherein the PCB board is a rigid printed circuit board or a flexible circuit board.
7. The non-cavity laminate assembly structure for a flexible panel according to claim 2, wherein the flexible battery is a thin sheet battery that can withstand a certain bending.
8. The non-cavity laminate assembly structure for a flexible panel according to claim 1, wherein a structural reinforcement layer is added between the flexible panel and the flexible laminate or between the layers inside the flexible laminate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920866485.0U CN209911948U (en) | 2019-06-06 | 2019-06-06 | Non-cavity type laminated assembly structure suitable for flexible screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920866485.0U CN209911948U (en) | 2019-06-06 | 2019-06-06 | Non-cavity type laminated assembly structure suitable for flexible screen |
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| Publication Number | Publication Date |
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| CN209911948U true CN209911948U (en) | 2020-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920866485.0U Active CN209911948U (en) | 2019-06-06 | 2019-06-06 | Non-cavity type laminated assembly structure suitable for flexible screen |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114390807A (en) * | 2020-10-16 | 2022-04-22 | 北京小米移动软件有限公司 | Middle frame and terminal equipment |
| CN114783298A (en) * | 2022-05-25 | 2022-07-22 | 苏州华星光电技术有限公司 | Flexible screen leveling device and flexible screen leveling method |
-
2019
- 2019-06-06 CN CN201920866485.0U patent/CN209911948U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114390807A (en) * | 2020-10-16 | 2022-04-22 | 北京小米移动软件有限公司 | Middle frame and terminal equipment |
| CN114390807B (en) * | 2020-10-16 | 2023-11-14 | 北京小米移动软件有限公司 | Middle frame and terminal equipment |
| CN114783298A (en) * | 2022-05-25 | 2022-07-22 | 苏州华星光电技术有限公司 | Flexible screen leveling device and flexible screen leveling method |
| CN114783298B (en) * | 2022-05-25 | 2023-08-01 | 苏州华星光电技术有限公司 | Leveling device and leveling method for flexible screen |
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