CN108829181A - Mobile terminal - Google Patents
Mobile terminal Download PDFInfo
- Publication number
- CN108829181A CN108829181A CN201810494893.8A CN201810494893A CN108829181A CN 108829181 A CN108829181 A CN 108829181A CN 201810494893 A CN201810494893 A CN 201810494893A CN 108829181 A CN108829181 A CN 108829181A
- Authority
- CN
- China
- Prior art keywords
- display screen
- mobile terminal
- frame
- lightlng hole
- fitting groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
- G06F1/1684—Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
- G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
- H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1626—Constructional details or arrangements for portable computers with a single-body enclosure integrating a flat display, e.g. Personal Digital Assistants [PDAs]
Abstract
The invention discloses a kind of mobile terminals, including display screen, frame and fingerprint mould group；The display screen is oppositely arranged with the frame, fitting groove and lightlng hole are provided on the frame, the fitting groove is located at the side that the frame deviates from the display screen, and the lightlng hole is located at the frame towards the side of the display screen and is connected with the fitting groove by communication port；The fingerprint mould group includes sensitive chip and convex lens, and the sensitive chip is fixed in the fitting groove and for receiving light by the lightlng hole, and the convex lens is located in the communication port.Mobile terminal disclosed by the embodiments of the present invention can be improved the image quality of fingerprint mould group.
Description
Technical field
The present invention relates to electronic technology field more particularly to a kind of mobile terminals.
Background technique
With the fast development of mobile terminal technology, demand of the user to mobile terminal is increasing, while to mobile whole
Hold the requirement of experience also higher and higher, therefore the application of biological identification technology in the terminal is also more extensive.Wherein fingerprint
Identification technology is more mature one of technology.In recent years, popularizing with full-screen mobile phone, mobile phone front is without position
Traditional button capacitive fingerprint is assembled, so needing to be arranged the use demand for shielding lower fingerprint to meet consumer.
As depicted in figs. 1 and 2, fingerprint mould group 10 in the related technology would generally be directly attached to the back side of display screen 11,
The light source 110 of display screen 11 issues emergent ray a to front, and emergent ray a is pressed against 2 reflection of fingerprint on display screen 11
At reflection light b, reflection light b is received through display screen 11 by fingerprint mould group 10.The light reflected due to the valley and a ridge of fingerprint 2
Intensity is variant, so as to obtain clearly fingerprint texture image.However, this be directly bonded in display for fingerprint mould group 10
The scheme for shielding 11 back sides needs to exert a force to display screen 11 when carrying out bonding process, may cause 11 fragmentation of display screen.
In order to avoid this problem, also have in the related technology by there are certain intervals between fingerprint mould group 10 and display screen 11
Scheme, although however, this scheme can prevent the bonding process because of fingerprint mould group 10 from leading to the fragmentation of display screen 11,
There are the light acquisition range that but will affect fingerprint mould group 10 behind gap between fingerprint mould group 10 and display screen 11, lead to fingerprint mould
Group 10 is difficult to obtain complete finger print information, therefore reduces the image quality of fingerprint mould group 10.
Summary of the invention
The embodiment of the present invention provides a kind of mobile terminal, and being bonded in the display screen back side directly to solve fingerprint mould group may lead
The problem of causing display screen fragmentation.
The embodiment of the present invention adopts the following technical solutions：
The embodiment of the present invention provides a kind of mobile terminal, including display screen, frame and fingerprint mould group；
The display screen is oppositely arranged with the frame, and fitting groove and lightlng hole, the dress are provided on the frame
Slot allocation is located at the side that the frame deviates from the display screen, and the lightlng hole is located at the frame towards the one of the display screen
Side and it is connected with the fitting groove by communication port；
The fingerprint mould group includes sensitive chip and convex lens, and the sensitive chip is fixed in the fitting groove and uses
In receiving light by the lightlng hole, the convex lens is located in the communication port.
At least one above-mentioned technical solution used in the embodiment of the present invention can reach following beneficial effect：
The light that mobile terminal disclosed by the embodiments of the present invention is reflected fingerprint by convex lens shape on sensitive chip
At the virtual image, expand the angle for the reflection light that fingerprint mould group can utilize, to improve the image quality of fingerprint mould group.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes a part of the invention, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings：
Fig. 1 is the layer topology view of the fingerprint recognition part of mobile terminal provided by the relevant technologies of the present invention；
Fig. 2 is the inside top topology view of the fingerprint recognition part of mobile terminal provided by the relevant technologies of the present invention；
Fig. 3 is the layer topology view of the fingerprint recognition part of mobile terminal provided by the embodiment of the present invention；
Fig. 4 is the assembling schematic diagram of fingerprint mould group and frame provided by the embodiment of the present invention；
Fig. 5 is the assembly signal of fingerprint mould group provided by the embodiment of the present invention, frame, display screen, buffer layer and FPC
Figure；
Fig. 6 is the inside top topology view of the fingerprint recognition part of mobile terminal provided by the embodiment of the present invention.
Description of symbols：
10- fingerprint mould group, 100- sensitive chip, 102- convex lens, 104- encapsulation part, the top surface 104a-, the side 104b-,
106- fingerprint mould group FPC, 11- display screen, 110- light source, 12- frame, 120- fitting groove, 120a- slot bottom, 120b- cell wall,
122- lightlng hole, 124- communication port, 126- hold rubber ring slot, the opening of 13-FPC, 130- first, 14- buffer layer, 140- second and open
Mouth, 15- adhesive, 16- adhesive layer；
2- fingerprint.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with the specific embodiment of the invention and
Technical solution of the present invention is clearly and completely described in corresponding attached drawing.Obviously, described embodiment is only the present invention one
Section Example, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall within the protection scope of the present invention.
The technical solution provided below in conjunction with attached drawing, each embodiment that the present invention will be described in detail.
The embodiment of the invention discloses a kind of mobile terminal, which can be the tool such as smart phone, tablet computer
There is the mobile terminal of display and fingerprint recognition demand.Including fingerprint mould group 10, display screen specifically, as shown in Figures 3 to 6,
11 and frame 12, FPC (full name in English is also possible that in some embodiments：Flexible Printed Circuit,
Chinese name：Flexible circuit board) 13 even buffer layer 14.
As transparent material, the positive light of display screen 11 can penetrate display screen 11 by display screen 11 in the present embodiment
It is irradiated to the back side of display screen.Display screen 11 itself can also be emitted beam by light source 110 to show image simultaneously.Has this
There are many display screen of kind performance, such as OLED (full name in English：Organic Light-Emitting Diode, Chinese name：Have
Machine light emitting diode) screen is a kind of ideal display screen 11.Frame 12 is the support construction inside mobile terminal, is used for
Various components inside fixed and protection mobile terminal.Its own material is firm, is not susceptible to deformation, thus positioning performance and
Protective value is preferable.
Display screen 11 is oppositely arranged with frame 12, in order to prevent extruding of the display screen 11 by frame 12, and the two is preferably not
It directly contacts, when there are FPC13 or buffer layer 14, FPC13 and buffer layer 14 can be regard as frame 12 and display screen
Buffer structure between 11.Wherein, buffer layer 14 can be foam or other materials with similar performance.
Fitting groove 120 and lightlng hole 122 are provided on frame 12, wherein fitting groove 120 is located at frame 12 away from display
The side of screen 11, fitting groove 120 pass through frame 12 away from a side surface of display screen 11 to the inside of frame 12, while being also aobvious
Direction where display screen 11 is concavely formed.Lightlng hole 122 is located at frame 12 towards the side of display screen 11, and lightlng hole 122 is by frame
Frame 12 towards a side surface of display screen 11 to the inside of frame 12, while be also away from display screen 11 side extend and with dress
Slot allocation 120 is connected by communication port 124.In the case where being provided with FPC13 and buffer layer 14, in order to guarantee lightlng hole
122 normal daylighting needs to open up the first opening 130 of corresponding lightlng hole 122 on FPC13, opens up on buffer layer 14 pair
Answer the second opening 140 of lightlng hole 122.Either first opening 130 or the second opening 140, radial dimension cannot be small
In lightlng hole 122 close to the radial dimension of one end of display screen 11.It, can be by the first opening 130 and second in order to simplify technique
The radial dimension of opening 140 is consistent.
Mobile terminal provided by the present embodiment first has to fix fingerprint mould group 10 and 12 phase of frame when being assembled
(referring to fig. 4), 11 entirety of display screen for having posted buffer layer 14 and FPC13 is fixed together with frame 12 later
(referring to Fig. 5), i.e. completion assembling process.In the present embodiment, fingerprint mould group 10 is fixed in fitting groove 120, this avoid
Fingerprint mould group 10 and the contact of display screen 11, therefore also there is no concern that generating interaction therebetween and leading to display screen fragmentation
The case where occur.Since lightlng hole 122 is towards display screen 11, when fingerprint 2 is fitted on display screen 11, display screen 11
The emergent ray a that light source 110 is issued can be irradiated to fingerprint 2, and be reflected to form reflection light b by the valley and a ridge of fingerprint 2.
These reflection lights b some can across display screen 11 and by lightlng hole 122, finally received by fingerprint mould group 10,
To obtain fingerprint texture image.
Fingerprint mould group 10 carries out light receiver using sensitive chip 100, and sensitive chip 100 is directed at lightlng hole 122, makes daylighting
The light in hole 122 can be irradiated on sensitive chip 100, and sensitive chip 100 receives light by lightlng hole 122.Sensitive chip
100 can be connected by the processor of fingerprint mould group FPC106 and mobile terminal.
Since the space inside mobile terminal is nervous, the finite thickness of frame 12, in this case, on frame 12
Bore size be affected to the self-strength of frame 12.In order to minimize fitting groove 120 and lightlng hole 122 to frame 12
Intensity effect, fitting groove 120 and the radial dimension of lightlng hole 122 should minimize.
As shown in figure 3, the fingerprint mould group 10 in the present embodiment further includes convex other than including the sensitive chip 100 on basis
Lens 102, convex lens 102 are arranged between sensitive chip 100 and lightlng hole 122.In this way, the reflection light b of fingerprint 2 can be oblique
To the virtual image for forming very little by convex lens 102 and on sensitive chip 100, relative to this picture of fingerprint 2, the size of the virtual image can
Substantially to reduce, therefore the size of sensitive chip 100 can also accordingly reduce, and then subtract the overall dimensions of fingerprint mould group 10
It is small, make that smaller fitting groove 120 can be set on frame 12.Also, since convex lens 102 can use slanting light, because
This is also beneficial to the radial dimension for reducing lightlng hole 122.With FPC13 and when buffer layer 14, the first opening 130 and the
The radial dimension of two openings 140 also can accordingly reduce (referring to Fig. 6), while the structure that can also integrate raising frame 12 is strong
Degree, and reduce the wiring difficulty of FPC13.In the present embodiment, in order to sufficiently collect the light that lightlng hole 122 passes through, convex lens
102 need to be arranged in communication port 124.
It due to the use of convex lens 102, can use fingerprint mould group 10 by the reflection light of the oblique propagation of lightlng hole 122
B carries out the imaging at 2 edge of fingerprint, therefore lightlng hole 122 can be in tapered knot close to one end of display screen 11 to communication port 124
Structure, without straight.It is convex that this structure can both guarantee that the reflection light b at the edge of fingerprint 2 can be propagated to diagonally
Lens 102, while can reduce the volume of lightlng hole 122 again, to reduce lightlng hole 122 to the shadow of the structural strength of frame 12
It rings.
In the present embodiment, fitting groove 120 can have the cell wall 120b of slot bottom 120a and circumferential groove bottom 120a, communication port
124 are arranged on slot bottom 120a, and since fitting groove 120 will accommodate entire fingerprint mould group 10, the size of slot bottom 120a is usual
It is more much larger than communication port 124, to reserve many vacant areas for slot bottom 120a.
Fingerprint mould group 10 further includes encapsulation part 104, and encapsulation part 104 is the protection structure of sensitive chip 100, sensitive chip
100 packed portions 104 encapsulate.Encapsulation part 104 has the top surface 104a and side 104b around top surface 104a, in installation fingerprint
When mould group 10, it can use top surface 104a with slot bottom 120a and be bonded positioning, convex lens 102 is embedded in top surface 104a, works as top in this way
Convex lens 102 is located in communication port 124 naturally when face 104a is bonded with slot bottom 120a.
In the present embodiment, fingerprint mould group 10 relies primarily on Nian Jie with the fixation of frame 12.And in order to guarantee adhesive strength,
Glue amount used is larger, therefore the mode of gluing is difficult to meet the requirements usually in gap.Therefore the present embodiment is on frame 12
Appearance rubber ring slot 126 has been separately provided.Hold rubber ring slot 126 be arranged in frame deviate from display screen 11 side, that is, with fitting groove
120 are in the same side, hold rubber ring slot 126 around fitting groove 120 and constitute ladder-type structure with cell wall 120b, therefore work as fingerprint mould
When group 10 is assembled in fitting groove 120, the side 104b of encapsulation part 104, which can be directly exposed to, to be held in rubber ring slot 126.Hold rubber ring
Adhesive 15 is filled in slot 126, adhesive 15 is just adhesively fixed with appearance rubber ring slot 126 and cell wall 120b, to realize fingerprint
Fixation between mould group 10 and frame 12.
In addition, can also be carried out by adhesive layer 16 between top surface 104a and slot bottom 120a it is be bonded, to fingerprint mould group
10 are auxiliarily fixed.When lightlng hole 122 is in tapered configuration, since this structure can reduce the radial ruler of communication port 124
It is very little, therefore the vacant area of slot bottom 120a can be increased, to improve the bond area of top surface 104a Yu slot bottom 120a, further
Promote firmness.The tapered configuration of lightlng hole 122 can be with flare, stairstepping etc., however these structures are complex,
In a preferred approach, the structure of lightlng hole 122 will can be designed as its axial cross section in inverted trapezoidal.Lightlng hole 122 in this way
Hole wall is uniformly tapered, and processing is relatively easy to.
Due to the diffusing reflection that is reflected into of fingerprint 2, fingerprint 2 reflects the diffusion angle range for being formed by reflection light b
Very big, some of them light can directly pass through convex lens 102 along lightlng hole 122, but also some light may be by
The inner surface for being irradiated to lightlng hole 122 is again reflected later.It can if these light angles being again reflected properly also have
Can be by convex lens 102, but these light can form crosstalk to ordinary ray, influence the identification of sensitive chip 100, therefore to use up
Amount eliminates these light.In the present embodiment, the inner surface of lightlng hole 122 can be treated as by modes such as sootings
Delustring face, or the extinction layers such as plated film or delustring bisque are set in the inner surface of lightlng hole 122.
Mobile terminal disclosed by the embodiments of the present invention can be improved the image quality of fingerprint mould group.
Emphasis describes the difference between each embodiment, difference between each embodiment in foregoing embodiments of the present invention
As long as optimization feature non-contradiction, can combine to form more preferably embodiment, it is contemplated that style of writing is succinct, then no longer superfluous at this
It states.
The above description is only an embodiment of the present invention, is not intended to restrict the invention.For those skilled in the art
For, the invention may be variously modified and varied.All any modifications made within the spirit and principles of the present invention are equal
Replacement, improvement etc., should be included within scope of the presently claimed invention.
Claims (10)
1. a kind of mobile terminal, which is characterized in that including display screen, frame and fingerprint mould group；
The display screen is oppositely arranged with the frame, and fitting groove and lightlng hole, the fitting groove are provided on the frame
Deviate from the side of the display screen positioned at the frame, the lightlng hole be located at the frame towards the side of the display screen and
It is connected with the fitting groove by communication port；
The fingerprint mould group includes sensitive chip and convex lens, and the sensitive chip is fixed in the fitting groove and for leading to
It crosses the lightlng hole and receives light, the convex lens is located in the communication port.
2. mobile terminal according to claim 1, which is characterized in that the lightlng hole is by close to one end of the display screen
It is tapered to the communication port.
3. mobile terminal according to claim 2, which is characterized in that the fingerprint mould group further includes encapsulation part, the sense
Optical chip is encapsulated by the encapsulation part, and the encapsulation part has top surface and the side around the top surface, the fitting groove tool
There are slot bottom and the cell wall around the slot bottom, the communication port to be set on the slot bottom, the top surface and the slot bottom phase
Fitting, the convex lens are embedded in the top surface.
4. mobile terminal according to claim 3, which is characterized in that the frame is also set away from the side of the display screen
It is equipped with and holds rubber ring slot, the appearance rubber ring grooved ring collectively forms ladder-type structure, the appearance around the fitting groove and with the cell wall
Adhesive is filled in rubber ring slot, the adhesive is fixed with the appearance rubber ring slot and the side bonds.
5. mobile terminal according to claim 3, which is characterized in that pass through adhesive layer between the top surface and the slot bottom
Bonding.
6. mobile terminal according to claim 2, which is characterized in that the axial cross section of the lightlng hole is in inverted trapezoidal.
7. mobile terminal according to claim 2, which is characterized in that the inner surface of the lightlng hole is delustring face or setting
There is extinction layer.
8. mobile terminal according to claim 7, which is characterized in that the extinction layer is plated film or delustring bisque.
9. mobile terminal according to any one of claims 1 to 8, which is characterized in that further include FPC, the FPC is located at institute
It states between display screen and the frame, the lightlng hole is corresponded on the FPC and offers the first opening, the diameter of first opening
Radial dimension to size not less than one end of the close display screen of the lightlng hole.
10. mobile terminal according to claim 9, which is characterized in that further include buffer layer, the buffer layer is located at described
Between display screen and the FPC, described first is corresponded on the buffer layer and offers the second opening, second opening
Radial dimension is not less than the lightlng hole close to the radial dimension of one end of the display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810494893.8A CN108829181A (en) | 2018-05-22 | 2018-05-22 | Mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810494893.8A CN108829181A (en) | 2018-05-22 | 2018-05-22 | Mobile terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108829181A true CN108829181A (en) | 2018-11-16 |
Family
ID=64148964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810494893.8A Pending CN108829181A (en) | 2018-05-22 | 2018-05-22 | Mobile terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108829181A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110191208A (en) * | 2019-05-14 | 2019-08-30 | 武汉华星光电半导体显示技术有限公司 | Mobile terminal |
| CN110276312A (en) * | 2019-06-25 | 2019-09-24 | 上海天马有机发光显示技术有限公司 | A kind of display panel and display device |
| CN112578860A (en) * | 2020-12-23 | 2021-03-30 | Oppo广东移动通信有限公司 | Electronic equipment |
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| CN204808352U (en) * | 2015-04-23 | 2015-11-25 | 南昌欧菲生物识别技术有限公司 | Fingerprint identification module |
| US20160004899A1 (en) * | 2014-07-07 | 2016-01-07 | Goodix Technology Inc. | Integration of touch screen and fingerprint sensor assembly |
| CN205845065U (en) * | 2016-05-31 | 2016-12-28 | 宸鸿科技(厦门)有限公司 | Fingeprint distinguisher |
| CN106599768A (en) * | 2015-10-14 | 2017-04-26 | 联咏科技股份有限公司 | Optical device |
| CN107102693A (en) * | 2017-04-27 | 2017-08-29 | 广东欧珀移动通信有限公司 | Display screen, display device and mobile terminal |
| CN107305411A (en) * | 2016-04-19 | 2017-10-31 | 三星电子株式会社 | Support the electronic installation and its operating method of fingerprint authentication |
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2018
- 2018-05-22 CN CN201810494893.8A patent/CN108829181A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160004899A1 (en) * | 2014-07-07 | 2016-01-07 | Goodix Technology Inc. | Integration of touch screen and fingerprint sensor assembly |
| CN204808352U (en) * | 2015-04-23 | 2015-11-25 | 南昌欧菲生物识别技术有限公司 | Fingerprint identification module |
| CN106599768A (en) * | 2015-10-14 | 2017-04-26 | 联咏科技股份有限公司 | Optical device |
| CN107305411A (en) * | 2016-04-19 | 2017-10-31 | 三星电子株式会社 | Support the electronic installation and its operating method of fingerprint authentication |
| CN205845065U (en) * | 2016-05-31 | 2016-12-28 | 宸鸿科技(厦门)有限公司 | Fingeprint distinguisher |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110191208A (en) * | 2019-05-14 | 2019-08-30 | 武汉华星光电半导体显示技术有限公司 | Mobile terminal |
| CN110276312A (en) * | 2019-06-25 | 2019-09-24 | 上海天马有机发光显示技术有限公司 | A kind of display panel and display device |
| CN112578860A (en) * | 2020-12-23 | 2021-03-30 | Oppo广东移动通信有限公司 | Electronic equipment |
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