CN213543966U - Special briquetting of ultra-thin optical fingerprint module under screen - Google Patents
Special briquetting of ultra-thin optical fingerprint module under screen Download PDFInfo
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- CN213543966U CN213543966U CN202022594234.7U CN202022594234U CN213543966U CN 213543966 U CN213543966 U CN 213543966U CN 202022594234 U CN202022594234 U CN 202022594234U CN 213543966 U CN213543966 U CN 213543966U
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Abstract
The utility model discloses a special briquetting of ultra-thin optical fingerprint module under screen, the special briquetting of ultra-thin optical fingerprint module under screen includes briquetting base member (31), is provided with first layer step (32) and second floor step (33) on this briquetting base member (31) respectively, and first layer step (32) are located the below of second floor step (33). The utility model provides an optical fingerprint module functional test problem under screen, simultaneously, to the test of different modules, only simply change the spacing piece of module and just can test in same tool, realized that different modules are compatible to the purpose of same tool, avoid specially opening single tool for single module, reduced manufacturing cost, improve the production efficiency of the ultra-thin fingerprint module of optics.
Description
The application is a divisional application with the application date of 2020, 14/04, the application number of CN202020544422.6, named as a screen ultrathin optical fingerprint module limiting sheet, a special base and a special pressing plate.
Technical Field
The utility model belongs to the biological feature recognition field, concretely relates to special briquetting of ultra-thin optical fingerprint module under screen.
Background
With the development and progress of smart technology, fingerprint identification technology has been rapidly developed, and has been widely applied to mobile terminals such as mobile phones and portable computers, and especially in the field of mobile phones, fingerprint identification technology has become an indispensable functional configuration of smart phones. Recently, with the surge of full-screen smart phones, fingerprint identification technology has also been revolutionized. The traditional mode mainly adopts a capacitive home key principle, and in the current full-screen mobile phone era, an optical fingerprint identification technology under a screen becomes the mainstream.
For the yield of guaranteeing optical fingerprint module under the screen in the production process, need carry out functional test to optical fingerprint module under the screen, current test fixture mainly has four kinds of forms: ISM single mode tool, ISM bimodulus tool, the pneumatic tool of four unifications and the manual tool of four unifications. On one hand, the tests can only test one product, and the test fixture needs to be redesigned when one product is replaced, so that the special test fixture is manufactured, the manufacturing period is long, and the cost is high; on the other hand, because of the productivity and scheduling, the same product can be switched between the above four different types of jigs for production, for example, a large-volume product can be switched from four-in-one manual test equipment to ISM dual-mode jig equipment for production, or the ISM dual-mode jig equipment is switched to ISM single-mode jig equipment for production because the productivity of the ISM dual-mode jig equipment is full, and in extreme cases, the same product needs to be manufactured by using four test jigs, and different test probes need to be arranged on different types of test jigs. Most importantly, the test fixtures can only be used for testing modules with cameras and cannot be used for testing ultrathin optical fingerprint modules, particularly ultrathin optical fingerprint modules under OLED screens.
Chinese patent CN201920440048.2 (named as optical module test probe seat and test fixture) also discloses a test fixture for module, however, the fixture can only be used for testing module with camera, and cannot be used for testing ultra-thin optical fingerprint module, especially ultra-thin optical fingerprint module under OLED screen.
SUMMERY OF THE UTILITY MODEL
For the yield of guaranteeing optical fingerprint module under the screen in the production process, to above-mentioned defect, on the one hand, the utility model provides a special briquetting of ultra-thin optical fingerprint module under the screen has solved optical fingerprint module functional test problem under the screen, and simultaneously, to the test of different modules, only change the spacing piece of module simply and just can test in same tool, realized the compatible purpose to same tool of different modules, avoid specially opening single tool for single module, reduced manufacturing cost, improve the production efficiency of the ultra-thin fingerprint module of optics.
The utility model provides a special briquetting of ultra-thin optical fingerprint module under screen, special briquetting of ultra-thin optical fingerprint module under screen includes the briquetting base member, is provided with first layer step and second floor step on this briquetting base member respectively, and first layer step is located the below of second floor step.
Preferably, the pressing block base body is further provided with a third step, the third step is located between the first step and the second step, and the third step is used for controlling the compression amount of the underscreen ultrathin optical fingerprint module.
The utility model also provides a with the spacing piece of the ultra-thin optical fingerprint module under the special briquetting matched with of foretell ultra-thin optical fingerprint module under the screen. After the two are matched with each other, the pressure born by the module after the actual module is assembled on the mobile phone and other electronic equipment is simulated during testing.
This spacing piece of ultra-thin optical fingerprint module under screen includes spacing piece upper portion and spacing piece lower part, and spacing piece lower part is provided with the low groove, and spacing piece upper portion is provided with the upper groove, and the upper groove is located the low groove top. Through spacing piece lower part to and the setting of low groove, when testing ultra-thin optical fingerprint module under the different screens, only need set up the size of low groove according to ultra-thin optical fingerprint module size under the different screens, consequently when testing different modules, only need change under the screen ultra-thin optical fingerprint module spacing piece can. Through the setting of spacing piece upper portion 11 and upper groove 13, can simulate the pressure that the module bore after the actual module assembly electronic equipment such as cell-phone was assembled to the test.
Preferably, be provided with spacing piece fixed upper hole on the ultra-thin optical fingerprint module spacing piece under the screen. The upper hole is fixed to this spacing piece and is convenient for install the spacing piece of ultra-thin optical fingerprint module under the screen on the tool through the connecting piece.
Preferably, at least two edges of the upper part of the limiting sheet are positioned outside at least two edges of the lower part of the limiting sheet. On one hand, the material cost is reduced, and on the other hand, the installation of the limiting sheet is more convenient.
Preferably, the upper groove is larger than the lower groove, so that the upper cover with the pressing sheet is more convenient to be combined with the limiting sheet.
Preferably, the ultra-thin optical fingerprint module spacing piece still is provided with export on the FPC under the screen. The purpose of setting up like this is for convenient continuous batch test and convenient the change ultra-thin optical fingerprint module under the screen of being tested.
The utility model also provides a with the spacing piece matched with of foretell screen down ultra-thin optical fingerprint module special base of ultra-thin optical fingerprint module, during the test, the screen under the test ultra-thin optical fingerprint module is located screen down ultra-thin optical fingerprint module special base and screen down between the spacing piece of ultra-thin optical fingerprint module.
The utility model provides a special base of ultra-thin optical fingerprint module under screen, special base of ultra-thin optical fingerprint module under screen includes the base member, is provided with spacing piece die cavity on this base member.
Preferably, a first boss is arranged in the limiting piece cavity. On one hand, the limiting sheet is convenient for fixing the limiting sheet of the ultra-thin optical fingerprint module under the screen in the limiting sheet type cavity, and on the other hand, the ultra-thin optical fingerprint module under the screen to be tested is better placed.
Preferably, the base substrate is further provided with an FPC lower outlet. The lower outlet of the FPC and the upper outlet of the FPC are connected together, so that continuous batch testing and replacement of the tested underscreen ultrathin optical fingerprint module are facilitated.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the utility model provides a screen down optical fingerprint module functional test problem, only need change the size of spacing piece low groove when still having realized the test of different screen down ultra-thin optical fingerprint module simultaneously, just can satisfy the purpose of compatible same tool, reduction in production cost has improved the production efficiency of ultra-thin optical fingerprint module.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a schematic view of a lens module tested according to the prior art;
FIG. 2 is a schematic view of the structure of the spacing piece of the present invention;
FIG. 3 is a schematic view of the structure of the base of the ultra-thin optical fingerprint module of the present invention;
FIG. 4 is a schematic structural diagram of a press block dedicated for the underscreen ultra-thin optical fingerprint module of the present invention;
fig. 5 is a schematic structural diagram of the tested module according to the present invention.
Description of reference numerals: an under-screen ultra-thin optical fingerprint module limiting sheet-1; the upper part of the limiting sheet is-11; the lower part of the limiting sheet is-12; an upper groove-13; a lower groove-14; the limiting sheet is fixed with an upper hole-15; FPC upper outlet-16; an underscreen ultra-thin optical fingerprint module base-2; a base substrate-21; a limiting sheet cavity-22; a first boss-23; the limiting sheet fixes the lower hole-24; FPC lower outlet-25; a light-transmissive window-26; special pressing block-3 for the underscreen ultrathin optical fingerprint module; compact substrate-31; a first level step-32; a second level of steps-33; third tier steps-34.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The technical solution of the present invention will be described in detail with specific examples. The following several specific embodiments may be combined with each other, and details of the same or similar concepts or processes may not be repeated in some embodiments.
As a common application scenario, the optical structure for capturing a biometric image provided in the embodiment of the present application can be applied to a smart phone, a tablet computer, and other mobile terminals or other terminal devices having a display screen, and the technical scheme of the embodiment of the present application can be applied to a biometric technology. The biometric technology includes, but is not limited to, fingerprint recognition, palm print recognition, iris recognition, face recognition, and living body recognition. For convenience of explanation, the fingerprint identification technology is described as an example below.
More specifically, in the terminal device, the optical fingerprint recognition device may be disposed in a partial area or an entire area below the display screen, thereby forming an off-screen optical fingerprint system.
Example 1
Referring to fig. 2, fig. 2 is a view of the utility model provides a spacing piece of ultra-thin optical fingerprint module under screen.
The utility model provides a spacing piece of ultra-thin optical fingerprint module 1 under screen, this spacing piece of ultra-thin optical fingerprint module 1 under screen includes spacing piece upper portion 11 and spacing piece lower part 12, and spacing piece lower part 12 is provided with lower groove 14, and spacing piece upper portion 11 is provided with upper groove 13, and upper groove 13 is located lower groove 14 top.
The lower groove 14 is used for placing the tested underscreen ultrathin optical fingerprint module, the size of the lower groove 14 is matched with the size of a matrix of the tested underscreen ultrathin optical fingerprint module, and during testing, the tested underscreen ultrathin optical fingerprint module is embedded in the lower groove 14. The upper groove 13 is used for placing a module pressing block and simulating the pressure born by the module after the actual module is assembled on the mobile phone and other electronic equipment.
In this embodiment, through spacing piece lower part 12 to and the setting of low groove 14, when testing ultra-thin optical fingerprint module under the different screens, only need set up the size of low groove 14 according to the ultra-thin optical fingerprint module size under the different screens, consequently when testing different modules, only need change under the screen spacing piece 1 of ultra-thin optical fingerprint module can. Through the setting of spacing piece upper portion 11 and upper groove 13, can simulate the pressure that the module bore after the actual module assembly electronic equipment such as cell-phone was assembled to the test.
Further, in this embodiment, for easy to assemble, be provided with spacing fixed upper hole 15 of piece on the spacing piece 1 of ultra-thin optical fingerprint module under the screen, when needing the test, install on the tool ultra-thin optical fingerprint module spacing piece 1 under the screen through spacing fixed upper hole 15 of piece.
Further, in the present embodiment, for further installation convenience and cost saving, at least two edges of the upper portion 11 of the limiting plate are located outside at least two edges of the lower portion 12 of the limiting plate.
Further, in this embodiment, the upper groove 13 is larger than the lower groove 14 for facilitating the pressing of the module pressing block on the test module.
Further, in this embodiment, in order to make things convenient for the FPC of the ultra-thin optical fingerprint module to stretch out under the screen, the ultra-thin optical fingerprint module spacing piece 1 still is provided with FPC upper outlet 16 under the screen.
Example 2
Based on foretell embodiment 1, the utility model provides a special base of ultra-thin optical fingerprint module under screen still, this special base of ultra-thin optical fingerprint module under screen and embodiment 1's the spacing piece of ultra-thin optical fingerprint module cooperate.
Referring to fig. 3, fig. 3 is a special base for an underscreen ultrathin optical fingerprint module according to the present invention.
The utility model provides a special base of ultra-thin optical fingerprint module 2 under screen, this special base of ultra-thin optical fingerprint module 2 under screen includes base member 21, is provided with spacing piece die cavity 22 and light-transmitting window 26 on this base member 21, and light-transmitting window 26 sets up in spacing piece die cavity 22 bottom. The limiting piece die cavity 22 is used for placing the limiting piece 1 of the under-screen ultrathin optical fingerprint module and the under-screen ultrathin optical fingerprint module to be tested in the embodiment 1.
Further, in this embodiment, on the one hand, in order to fix the spacing piece 1 of the under-screen ultrathin optical fingerprint module of embodiment 1 in the spacing piece cavity 22 for convenience, on the other hand, in order to better place the under-screen ultrathin optical fingerprint module to be tested, the first boss 23 is arranged in the spacing piece cavity 22.
Further, in this embodiment, for simple and quick connection, the first boss 23 is provided with the lower hole 24 for fixing the limiting plate, and during installation, a connecting member (not shown in the figure) passes through the lower hole 24 for fixing the limiting plate and the upper hole 15 for fixing the limiting plate in embodiment 1, respectively, so as to connect the limiting plate of the ultra-thin optical fingerprint module under the screen to the base 2 of the ultra-thin optical fingerprint module under the screen.
Further, in this embodiment, in order to facilitate the extension of the FPC of the ultra-thin optical fingerprint module under the screen, the base substrate 21 is further provided with an FPC lower outlet 25, and the FPC lower outlet 25 is communicated with the FPC upper outlet 16.
Example 3
Based on foretell embodiment 1 and embodiment 2, the utility model provides a special briquetting of ultra-thin optical fingerprint module under the screen still, this special briquetting of ultra-thin optical fingerprint module under screen cooperatees with the spacing piece of ultra-thin optical fingerprint module under screen of embodiment 1 and the ultra-thin optical fingerprint module base of embodiment 2.
Referring to fig. 4, fig. 4 is a pressing block dedicated for the underscreen ultrathin optical fingerprint module of the present invention.
The special pressing block 3 for the ultra-thin optical fingerprint module under the screen comprises a pressing block base body 31, wherein a first layer step 32 and a second layer step 33 are respectively arranged on the pressing block base body 31, and the first layer step 32 is located below the second layer step 33. During testing, the second step 33 presses on the ultra-thin optical fingerprint module under the screen to be tested, and simulates the pressure born by the module after the actual module is assembled on the mobile phone and other electronic equipment. The first step 32 is adapted to be secured to an upper mold cavity (not shown).
Further, in this embodiment, the pressing block substrate 31 is further provided with a third step 34, the third step 34 is located between the first step 32 and the second step 33, the third step 34 is not in contact with the under-screen ultrathin optical fingerprint module, but is in contact with the bottom surface of the upper groove 13 of the limiting sheet in embodiment 1, which is directly opposite to the non-lower groove 14, and the second step 33 is used for controlling the compression amount of the under-screen ultrathin optical fingerprint module.
The utility model discloses in, through the high realization that changes second floor step 33, some pressurized degree of module after the cell-phone was assembled to the actual module of simulation, the pressurized size of second floor step 33 in 0.1-0.2 mm's pressurized and screen down ultra-thin optical fingerprint module in the cell-phone coincide basically.
The utility model discloses can be used to test the tested module in figure 5.
In the description of the present invention, it is to be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, an indirect connection via an intermediary, a connection between two elements, or an interaction between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless specifically stated otherwise.
The terms "first," "second," "third," "fourth," and the like in the description and in the claims of the present application and in the drawings described above, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (2)
1. The utility model provides a special briquetting of ultra-thin optical fingerprint module under screen which characterized in that: the special pressing block for the underscreen ultrathin optical fingerprint module comprises a pressing block base body (31), wherein a first layer of step (32) and a second layer of step (33) are respectively arranged on the pressing block base body (31), and the first layer of step (32) is located below the second layer of step (33).
2. The special pressing block for the underscreen ultrathin optical fingerprint module according to claim 1, is characterized in that: the briquetting base body (31) is further provided with a third step (34), and the third step (34) is located between the first step (32) and the second step (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022594234.7U CN213543966U (en) | 2020-04-14 | 2020-04-14 | Special briquetting of ultra-thin optical fingerprint module under screen |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022594234.7U CN213543966U (en) | 2020-04-14 | 2020-04-14 | Special briquetting of ultra-thin optical fingerprint module under screen |
| CN202020544422.6U CN211978282U (en) | 2020-04-14 | 2020-04-14 | Ultra-thin optical fingerprint module spacing piece under screen |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020544422.6U Division CN211978282U (en) | 2020-04-14 | 2020-04-14 | Ultra-thin optical fingerprint module spacing piece under screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213543966U true CN213543966U (en) | 2021-06-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022594234.7U Active CN213543966U (en) | 2020-04-14 | 2020-04-14 | Special briquetting of ultra-thin optical fingerprint module under screen |
| CN202020544422.6U Active CN211978282U (en) | 2020-04-14 | 2020-04-14 | Ultra-thin optical fingerprint module spacing piece under screen |
| CN202022594248.9U Active CN214040578U (en) | 2020-04-14 | 2020-04-14 | Special base of ultra-thin optical fingerprint module under screen |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020544422.6U Active CN211978282U (en) | 2020-04-14 | 2020-04-14 | Ultra-thin optical fingerprint module spacing piece under screen |
| CN202022594248.9U Active CN214040578U (en) | 2020-04-14 | 2020-04-14 | Special base of ultra-thin optical fingerprint module under screen |
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| Country | Link |
|---|---|
| CN (3) | CN213543966U (en) |
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2020
- 2020-04-14 CN CN202022594234.7U patent/CN213543966U/en active Active
- 2020-04-14 CN CN202020544422.6U patent/CN211978282U/en active Active
- 2020-04-14 CN CN202022594248.9U patent/CN214040578U/en active Active
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| Publication number | Publication date |
|---|---|
| CN214040578U (en) | 2021-08-24 |
| CN211978282U (en) | 2020-11-20 |
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