CN107025655A - The apparatus and method of test fingerprint sensor image quality - Google Patents
The apparatus and method of test fingerprint sensor image quality Download PDFInfo
- Publication number
- CN107025655A CN107025655A CN201610060413.8A CN201610060413A CN107025655A CN 107025655 A CN107025655 A CN 107025655A CN 201610060413 A CN201610060413 A CN 201610060413A CN 107025655 A CN107025655 A CN 107025655A
- Authority
- CN
- China
- Prior art keywords
- area
- fingerprint sensor
- conductive rubber
- lug boss
- image quality
- 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.)
- Withdrawn
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/12—Fingerprints or palmprints
- G06V40/13—Sensors therefor
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/30—Subject of image; Context of image processing
- G06T2207/30168—Image quality inspection
Landscapes
- Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Image Input (AREA)
Abstract
A kind of device of test fingerprint sensor image quality, the fingerprint sensor includes cover plate and control chip, the test device includes depression bar, pressure head, conductive rubber and image dissector, the second surface of the conductive rubber is provided with lug boss, there is difference in height between the lug boss and the second surface.The lug boss is configured to repeatedly press the cover plate of the fingerprint sensor with rotary motion by the depression bar and moving up and down for the pressure head, the covering to all induction points of the fingerprint sensor can be realized, and there can be the boundary line that black and white is connected in resulting test image, so as to more comprehensively, more accurately test the picture quality of sensor.The present invention also provides a kind of test fingerprint sensor image quality detecting method.
Description
Technical field
The present invention relates to image quality test apparatus and method, more particularly to a kind of test fingerprint sensor image
The apparatus and method of quality.
Background technology
Fingerprint sensor is widely used in identification field.There is test fingerprint sensor map in the prior art
As the various test devices of quality.The test philosophy of these test devices is roughly the same, is typically pressed by testing
The conductive rubber set on head presses the cover plate of fingerprint sensor, so as to obtain corresponding on image dissector
Gray scale image, and analyze the image to judge the picture quality obtained by fingerprint sensor.
Existing conductive rubber includes plane conductive rubber and " returning " font conductive rubber, its planar-type
Conductive rubber can be completely covered all induction points of fingerprint sensor, and " returning " font conductive rubber then phase
When setting rectangular recess in the face center that is contacted with cover plate in plane conductive rubber, thus can not be complete
All induction points of fingerprint sensor are covered, but are due to that the presence of rectangular recess can cause resulting image
There is the white block of rectangle in center, can have a plurality of point between the white block and other gray scale image regions
Boundary line, the line of demarcation can then be used as judging a standard of the quality obtained by fingerprint sensor, i.e.,
The line of demarcation more becomes apparent from, then the picture quality obtained by illustrating is higher.
To sum up, all induction points of fingerprint sensor can not be completely covered while obtaining in existing test device
To chequered with black and white line of demarcation.
The content of the invention
The present invention provides a kind of image quality test apparatus and method, can realize the sensing to fingerprint sensor
That puts is completely covered, and causes can there is chequered with black and white line of demarcation in resulting test image, from
And can more comprehensively, more accurately test the picture quality of sensor.
The present invention provides a kind of device of test fingerprint sensor image quality, and the fingerprint sensor includes lid
Plate and control chip, the test device include depression bar, pressure head, conductive rubber and image dissector, in flat
The pressure head of tabular is arranged on one end of the depression bar, and the pressure head includes the upper surface being oppositely arranged with
Surface, the conductive rubber is in tabular, including the first surface and second surface being oppositely arranged, and described the
One surface is fitted on the lower surface of the pressure head, and described image analyzer is described with the fingerprint sensor
Control chip is electrically connected, it is characterised in that the second surface is provided with lug boss, the lug boss and institute
State between second surface and there is difference in height, the lug boss is configured to by the depression bar and the pressure head
Move up and down and the cover plate of the fingerprint sensor is repeatedly pressed with rotary motion, can realize to described
The covering of all induction points of fingerprint sensor.
Wherein, the quantity of the lug boss is at least two, and is in relative to the central point of the conductive rubber
Central Symmetry is distributed.
Wherein, the second surface of the conductive rubber is square, and the square second surface includes relative
First set while and when second and be oppositely arranged the 3rd while and when the 4th, the conductive rubber is by respectively
By described first while and the first central shaft when described second and by the described 3rd while and when the described 4th
The second central shaft be divided into the firstth area diagonally set and the 3rd area and the secondth area diagonally set and the 4th
Area, wherein the lug boss is arranged in firstth area and the 3rd area.
Wherein, the second surface of the conductive rubber is square, and the square second surface includes relative
First set while and when second and be oppositely arranged the 3rd while and when the 4th, the conductive rubber is by two
Diagonal is divided into the firstth area diagonally set and the 3rd area and the secondth area and the 4th area that diagonally set, described
Lug boss is arranged in firstth area and the 3rd area.
Wherein, the second surface of the conductive rubber is circle, and the circular second surface is in two orthogonal
Heart line is divided into the firstth area diagonally set and the 3rd area and the secondth area and the 4th area that diagonally set, described convex
The portion of rising is arranged in firstth area and the 3rd area.
Wherein, the first surface of the conductive rubber is bonded in by viscose glue on the lower surface of the pressure head.
Wherein, described device also includes main part, the first support that is vertically arranged and horizontally disposed second
Frame, the first support is vertically arranged on the main part, and the second support is horizontally set on described
On one support, the depression bar is vertically arranged in the second support.
The present invention also provides a kind of method of test fingerprint sensor image quality, including：By fingerprint sensor
It is placed in immediately below depression bar and pressure head；The cover plate of the depression bar and the pressure head towards the fingerprint sensor is downward
It is mobile so that the lug boss on the second surface of conductive rubber presses the cover plate of the fingerprint sensor, so that
The first pressing image is obtained on image dissector；The depression bar and the upward lifting of the pressure head are simultaneously rotated；
The depression bar and the pressure head, which are moved down, causes the lug boss to carry out the to the surface of the fingerprint sensor
One step press, to obtain the second pressing image on described image analyzer；Repeat aforesaid operations, Zhi Daosuo
All induction points for stating fingerprint sensor are covered by the lug boss.
Wherein, the second surface of the conductive rubber is square, and the square second surface includes relative
First set while and when second and be oppositely arranged the 3rd while and when the 4th, the conductive rubber is by respectively
By described first while and when described second and the described 3rd while and two articles of central shafts when the described 4th be divided into
The firstth area and the 3rd area that diagonally set and the secondth area and the 4th area that diagonally set, wherein the lug boss
It is arranged in firstth area and the 3rd area.
Wherein, the second surface of the conductive rubber is square, and the square second surface includes relative
First set while and when second and be oppositely arranged the 3rd while and when the 4th, the conductive rubber is by two
Diagonal is divided into the firstth area diagonally set and the 3rd area and the secondth area and the 4th area that diagonally set, wherein
The lug boss is arranged in firstth area and the 3rd area.
Wherein, the second surface of the conductive rubber is circle, and the circular second surface is in two orthogonal
Heart line is divided into the firstth area diagonally set and the 3rd area and the secondth area and the 4th area that diagonally set, wherein institute
Lug boss is stated to be arranged in firstth area and the 3rd area.
Compared to prior art, the present invention on conductive rubber by setting specific lug boss, on the one hand,
The all standing of the pixel of test zone fingerprint sensor can be realized, on the other hand, obtained by can causing
Test image in have black and white be connected line of demarcation, so as to more comprehensively, more accurately test sensor
Picture quality.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to implementing
The accompanying drawing used required in example or description of the prior art is briefly described, it should be apparent that, describe below
In accompanying drawing be only some embodiments of the present invention, for those of ordinary skill in the art, do not paying
On the premise of going out creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Floor map when Fig. 1 is the device work according to the test fingerprint sensor image quality of the present invention；
Fig. 2 be according to the present invention test fingerprint sensor image quality device in conductive rubber plane
Schematic diagram；
Fig. 3 be according to the present invention test fingerprint sensor image quality device in conductive rubber solid
Schematic diagram；
The first pressing that Fig. 4 a and Fig. 4 b are obtained when being respectively and being pressed by Fig. 2 and Fig. 3 conductive rubber
The schematic diagram of image and the second pressing image；
Fig. 5 is another conductive rubber used according to the device of the test fingerprint sensor image quality of the present invention
The floor map of glue；
Fig. 6 is another the conductive rubber used according to the device of the test fingerprint sensor image quality of the present invention
The floor map of glue；
Fig. 7 is the flow chart of the method for the test fingerprint sensor image quality according to the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear
Chu, it is fully described by, it is clear that described embodiment is only a part of embodiment of the invention, rather than
Whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creation
Property work under the premise of the every other embodiment that is obtained, belong to the scope of protection of the invention.
Floor map when Fig. 1 is the device work according to the test fingerprint sensor image quality of the present invention,
Test device includes main part 1, support 2, depression bar 3, pressure head 4, conductive rubber 5 and image dissector 6,
Wherein, main part 1 is used for providing support for test device, and support 2 includes the first support 201 being vertically arranged
With horizontally disposed second support 202, first support 201 is vertically arranged on main part 1, and second support
202 are horizontally set in first support 201, and second support 202 is that the depression bar 3 being vertically arranged provides support,
It is arranged on the lower section of depression bar 3 in flat pressure head 4, and conductive rubber 5 is also in tabular, including it is relative
The first surface 51 and second surface 52 of setting, first surface 51 are fitted in the following table of pressure head 4 by viscose glue
On face.Depression bar 3 and pressure head 4 can be moved up and down and 90 degree of rotations by the driving of drive device (not shown)
Transhipment is dynamic.It is appreciated that support 2 can also be other structures, and conductive rubber 5 can also be by other
Mode is fitted on pressure head 4.
Reference picture 2, the section of conductive rubber 5 is square, and the second surface 52 of the conductive rubber 5 includes
First be oppositely arranged at 501 and second 502 and be oppositely arranged the 3rd in 503 and the 4th while 504,
First central shaft 505 by square conductive rubber 5 first at 501 and second 502, the second central shaft
506 by square conductive rubber 5 the 3rd at 503 and the 4th 504, central shaft 505 and 506 will be led
The second surface 52 of electric rubber 5 is divided into four regions, i.e. the first area A, the second area B, the 3rd area C and
Four area D, the first area A and the 3rd area C are diagonally set, and the second area B and the 4th area D are diagonally set.
Reference picture 3, the first area A diagonally set and is provided with lug boss 507 on the 3rd area C, correspondingly,
The the second area B diagonally set and it is not provided with lug boss on the 4th area D.The lug boss 507 from the first area A and
3rd area C is upwardly extended to the side away from the first area A and the 3rd area C, therefore the section shape of lug boss 507
Shape is identical with the first area A or the 3rd area C shape, and the remote first area A or the 3rd of lug boss 507
Area C surface is plane, and the surface is equal with the distance between the first area A or the 3rd area C, thus
It may insure that the lug boss 507 on the first area A or the 3rd area C can be while press the lid of fingerprint sensor 7
Plate 701.It is appreciated that lug boss 507 can also be set on the second area B and the 4th area D, and it is not disposed on
On first area A and the 3rd area C.Preferably, lug boss 507 is integrally formed with conductive rubber 5.
Referring again to Fig. 1, fingerprint sensor 7 includes transparent cover plate 701 and control chip 702, transparent cover plate
701 are placed in the top of control chip 702, the control core of such as computer of image dissector 6 and fingerprint sensor 7
Piece 702 is electrically connected.During test, fingerprint sensor 7 can be placed on the underface of depression bar 3 and pressure head 4,
Depression bar 3 and pressure head 4 can be moved down so that the transparent cover plate 701 of conductive rubber 5 and fingerprint sensor 7 connects
Touch and carry out first time pressing, role is apish finger to conductive rubber 5 herein, thus can be
The first pressing image as shown in fig. 4 a is obtained on image dissector 6, then depression bar 3 and pressure head 4 can be upward
Lifting is simultaneously rotated by 90 °, and can then be moved down again so that second of the pressing fingerprint sensor of conductive rubber 5
7 transparent cover plate 701 presses image so as to obtain second shown in Fig. 4 b on image dissector 6.
In fig .4, shadow region A' and C' represent that the cover plate 701 of lug boss 507 and fingerprint sensor 7 connects
The gray scale image formed when touching on image dissector 6, B' and D' then represent the cover plate 701 of fingerprint sensor 7
The white block that the part not being pressed is obtained in image dissector 6, and straight line 505' and 506' are then GTG
Line of demarcation between image and white block.Wherein gray scale image can reflect it is most dark it is black to most it is bright it is white it
Between brightness hierarchical relationship, resulting gray scale image is more clear, crosses and gets over naturally, line of demarcation is more clear,
It is more obvious, then show that the picture quality obtained by fingerprint sensor 7 is better.Fig. 4 b are depression bar 3 and pressure head 4
The second pressing image resulting when the cover plate 701 of fingerprint sensor 7 is pressed, shadow region after being rotated by 90 °
A " and C " represents lug boss 507 when being contacted with the cover plate 701 of fingerprint sensor 7 on image dissector 6
The part that the cover plate 701 that the gray scale image of formation, B " and D " then represent fingerprint sensor 7 is not pressed exists
The white block that image dissector 6 is obtained, and straight line 505 " and 506 " is then gray scale image and white block
Between line of demarcation.During detection, the area of the second surface 52 of conductive rubber 5 can be slightly larger than or equal to fingerprint
The area of the induction region of sensor 7, reference picture 4a and Fig. 4 b, it is readily appreciated that, depression bar 3 and pressure head 4 revolve
The pressing image of the first time obtained by secondary pressing and second of pressing image are carried out after turning 90 degrees to be covered completely
All induction points of lid fingerprint sensor 7, and four lines of demarcation of black and white linking can also be obtained.
Preferably, there is image dissector 6 algorithm in analysis software, analysis software the first pressing can be schemed
The readability of the greyscale level and line of demarcation of picture and the second pressing image is analyzed, so as to judge
The quality of picture quality obtained by fingerprint sensor 7.Further, it is also possible to by way of manual analysis pair
First pressing image and the second pressing image are analyzed.
Fig. 5 is another conductive rubber used according to the device of the test fingerprint sensor image quality of the present invention
The floor map of glue, the second surface of the conductive rubber is also square, and the square second surface includes
First be oppositely arranged while and when second and be oppositely arranged the 3rd while and when the 4th, conductive rubber is by two
Diagonal is divided into the first area A diagonally set1With the 3rd area C1And the second area B diagonally set1With the 4th area
D1, the first area A is arranged on the lug boss of shadow representation1With the 3rd area C1On.It is appreciated that shown in Fig. 5
Conductive rubber carry out second pressing is rotated by 90 ° by pressure head and depression bar, can reach with it is as shown in Figure 2
Conductive rubber identical effect, you can be completely covered all induction points of fingerprint sensor 7, and can be with
Obtain that a plurality of line of demarcation of the image quality standard of reflection fingerprint sensor 7 can be turned into.
Fig. 6 is another the conductive rubber used according to the device of the test fingerprint sensor image quality of the present invention
The floor map of glue, the second surface of the conductive rubber is circle, and the circular second surface is orthogonal by two
Center line is divided into the first area A diagonally set2With the 3rd area C2And the second area B diagonally set2With the 4th area
D2, the lug boss of shadow representation is arranged on the first area A2With the 3rd area C2On.As described above, shown in Fig. 6
Conductive rubber is rotated by 90 ° carry out second pressing by pressure head and depression bar, can reach and be led with as shown in Figure 2
Electric rubber identical effect, you can so that all induction points of fingerprint sensor 7 are completely covered, and can obtain
To a plurality of line of demarcation for the image quality standard that can turn into reflection fingerprint sensor 7.
Certainly, to realize the same effect that can be reached with conductive rubber as shown in Figure 2, Figure 5 and Figure 6,
Lug boss on the second surface of conductive rubber can be other arrangements, and quantity can also be more than 2
It is individual.
Fig. 7 is the flow chart of the method for the test fingerprint sensor image quality according to the present invention.First, will
Fingerprint sensor is placed in immediately below depression bar and pressure head.Secondly, the cover plate of depression bar and pressure head towards fingerprint sensor
Move down so that the lug boss on the second surface of conductive rubber presses the cover plate of fingerprint sensor, so that
The first pressing image is obtained in image dissector.Then, depression bar and pressure head upward lifting and can rotate.Then,
Depression bar and pressure head are moved down carries out second of pressing to the cover plate of fingerprint sensor, so that graphical analysis
Device obtains the second pressing image.Finally, aforesaid operations are repeated, until all induction point quilts of fingerprint sensor
Lug boss is covered.With it, all standing to the pixel of fingerprint sensor can be realized, it is resulting
Image on have chequered with black and white line of demarcation, so as to more comprehensively, more accurately analyze fingerprint sensor
Image quality.
Above disclosure is only preferred embodiment of present invention, can not limit the present invention's with this certainly
Interest field, one of ordinary skill in the art will appreciate that all or part of flow of above-described embodiment is realized,
And the equivalent variations made according to the claims in the present invention, still fall within and invent covered scope.
Claims (11)
1. a kind of device of test fingerprint sensor image quality, the fingerprint sensor includes cover plate and control
Chip, the test device includes depression bar, pressure head, conductive rubber and image dissector, in flat institute
One end that pressure head is arranged on the depression bar is stated, the pressure head includes the upper and lower surface being oppositely arranged, institute
Conductive rubber is stated in tabular, including the first surface and second surface being oppositely arranged, the first surface patch
Close on the lower surface of the pressure head, the control chip of described image analyzer and the fingerprint sensor
Electrical connection, it is characterised in that the second surface is provided with lug boss, the lug boss and second table
There is difference in height between face, the lug boss is configured to moving up and down by the depression bar and the pressure head
The cover plate of the fingerprint sensor is repeatedly pressed with rotary motion, can be realized to the fingerprint sensing
The covering of all induction points of device.
2. the device of test fingerprint sensor image quality as claimed in claim 1, it is characterised in that institute
The quantity for stating lug boss is at least two, and is centrosymmetric distribution relative to the central point of the conductive rubber.
3. the device of test fingerprint sensor image quality as claimed in claim 2, it is characterised in that institute
It is square to state the second surface of conductive rubber, and the square second surface includes the first side being oppositely arranged
With second while and be oppositely arranged the 3rd while and the 4th side, the conductive rubber by passing through described first respectively
While and the first central shaft when described second and by the described 3rd while and the second central shaft when the described 4th
It is divided into the firstth area diagonally set and the 3rd area and the secondth area and the 4th area that diagonally set, wherein described convex
The portion of rising is arranged in firstth area and the 3rd area.
4. the device of test fingerprint sensor image quality as claimed in claim 2, it is characterised in that institute
It is square to state the second surface of conductive rubber, and the square second surface includes the first side being oppositely arranged
With second while and be oppositely arranged the 3rd while and the 4th side, the conductive rubber is divided into pair by two diagonal
The firstth area and the 3rd area of angle setting and the secondth area and the 4th area diagonally set, the lug boss are arranged on
In firstth area and the 3rd area.
5. the device of test fingerprint sensor image quality as claimed in claim 2, it is characterised in that institute
It is circle to state the second surface of conductive rubber, and the second surface is divided into diagonal setting by two orthogonal centre lines
The firstth area and the 3rd area and the secondth area and the 4th area that diagonally set, the lug boss is arranged on described
In one area and the 3rd area.
6. the device of the test fingerprint sensor image quality as described in any one of claim 2 to 4, it is special
Levy and be, the first surface of the conductive rubber is bonded in by viscose glue on the lower surface of the pressure head.
7. the device of test fingerprint sensor image quality as claimed in claim 6, it is characterised in that also
Including main part, the first support being vertically arranged and horizontally disposed second support, the first support is vertical
It is arranged on the main part, the second support is horizontally set in the first support, the depression bar is erected
Directly it is arranged in the second support.
8. a kind of method of test fingerprint sensor image quality, it is characterised in that including：
Fingerprint sensor is placed in immediately below depression bar and pressure head；
The cover plate of the depression bar and the pressure head towards the fingerprint sensor is moved down so that conductive rubber
Second surface on lug boss press the cover plate of the fingerprint sensor, so as to be obtained on image dissector
, there is difference in height between the lug boss and the second surface in the first pressing image；
The depression bar and the upward lifting of the pressure head are simultaneously rotated；
The depression bar and the pressure head are moved down so that the lug boss enters to the surface of the fingerprint sensor
Row is pressed for the first time, to obtain the second pressing image on described image analyzer；
Aforesaid operations are repeated, until all induction points of the fingerprint sensor are covered by the lug boss.
9. the method for test fingerprint sensor image quality as claimed in claim 8, it is characterised in that institute
It is square to state the second surface of conductive rubber, and the square second surface includes the first side being oppositely arranged
With second while and be oppositely arranged the 3rd while and the 4th side, the conductive rubber by passing through described first respectively
While and when described second and the described 3rd while and two articles of central shafts when the described 4th be divided into diagonally set
One area and the 3rd area and the secondth area and the 4th area diagonally set, wherein the lug boss is arranged on described
In one area and the 3rd area.
10. the method for test fingerprint sensor image quality as claimed in claim 9, it is characterised in that
The second surface of the conductive rubber is square, and the square second surface includes first be oppositely arranged
While and when second and be oppositely arranged the 3rd while and when the 4th, the conductive rubber is divided into by two diagonal
The firstth area and the 3rd area that diagonally set and the secondth area and the 4th area that diagonally set, wherein the lug boss
It is arranged in firstth area and the 3rd area.
11. the method for test fingerprint sensor image quality as claimed in claim 10, it is characterised in that
The second surface of the conductive rubber is circle, and the circular second surface is divided into pair by two orthogonal centre lines
The firstth area and the 3rd area of angle setting and the secondth area and the 4th area diagonally set, wherein the lug boss is set
Put in firstth area and the 3rd area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610060413.8A CN107025655A (en) | 2016-01-28 | 2016-01-28 | The apparatus and method of test fingerprint sensor image quality |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610060413.8A CN107025655A (en) | 2016-01-28 | 2016-01-28 | The apparatus and method of test fingerprint sensor image quality |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107025655A true CN107025655A (en) | 2017-08-08 |
Family
ID=59524458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610060413.8A Withdrawn CN107025655A (en) | 2016-01-28 | 2016-01-28 | The apparatus and method of test fingerprint sensor image quality |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107025655A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110488175A (en) * | 2019-07-31 | 2019-11-22 | 广东利扬芯片测试股份有限公司 | Fingerprint chip testing component, method and computer readable storage medium |
-
2016
- 2016-01-28 CN CN201610060413.8A patent/CN107025655A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110488175A (en) * | 2019-07-31 | 2019-11-22 | 广东利扬芯片测试股份有限公司 | Fingerprint chip testing component, method and computer readable storage medium |
| CN110488175B (en) * | 2019-07-31 | 2024-04-26 | 广东利扬芯片测试股份有限公司 | Fingerprint chip test part, method and computer readable storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204965276U (en) | Display device with fingerprint identification function | |
| US10031618B2 (en) | Identifying hover and/or palm input and rejecting spurious input for a touch panel | |
| CN205388776U (en) | Test fingerprint sensor image quality's device | |
| CN103425347B (en) | Touch control display apparatus | |
| US9891255B2 (en) | Fingerprint identification device, electronic device and fingerprint identification method | |
| CN104360501A (en) | Visual detection method and device for defects of liquid crystal display screen | |
| US20110235868A1 (en) | Inspection System | |
| CN109376616A (en) | Fingerprint recognition device, its fingerprint identification method and display device | |
| CN108311340A (en) | A kind of manipulator control system and its working method for dispensing coating machine | |
| CN108875569A (en) | biological characteristic sensing device and method | |
| CN102929438A (en) | Optical touch device and method for detecting coordinates of touch points thereof | |
| CN101598871B (en) | Touch-control liquid crystal display device and driving method thereof | |
| US9140541B2 (en) | Image measuring apparatus and image measuring method | |
| CN107025655A (en) | The apparatus and method of test fingerprint sensor image quality | |
| CN104076993B (en) | A kind of touch-control display panel, touch localization method and display device | |
| CN210774613U (en) | Screen testing and identifying device | |
| US11010010B2 (en) | Three-dimensional force recognition sensor, driving method therefor and display device | |
| KR20100009465A (en) | Display apparatus | |
| KR101482930B1 (en) | Fingerprint sensor test method and system | |
| CN102401800A (en) | Online detection device for detecting welding quality of high voltage ceramic capacitor based on visual sense of device | |
| CN107437045A (en) | Fingeprint distinguisher and the contactor control device with finger print identification function | |
| CN101726942B (en) | Method for making pixel unit | |
| KR20140068543A (en) | Inspectiing device of display panel and inspecting method of the same | |
| CN103246397B (en) | Touch control inducing method, touch-control sensing microprocessor and touch control liquid crystal display device | |
| CN102981059B (en) | A kind of capacitive touch screen architecture defect detecting method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 330096 No.699 Tianxiang North Avenue, Nanchang hi tech Industrial Development Zone, Nanchang City, Jiangxi Province Applicant after: Jiangxi OMS Microelectronics Co.,Ltd. Address before: 330096 Jiangxi Nanchang Nanchang hi tech Industrial Development Zone, east of six road, south of Tianxiang Avenue. Applicant before: OFilm Microelectronics Technology Co.,Ltd. Address after: 330096 Jiangxi Nanchang Nanchang hi tech Industrial Development Zone, east of six road, south of Tianxiang Avenue. Applicant after: OFilm Microelectronics Technology Co.,Ltd. Address before: 330029 No. 1189 Jingdong Avenue, Nanchang high tech Zone, Jiangxi Applicant before: NANCHANG OFILM BIO-IDENTIFICATION TECHNOLOGY Co.,Ltd. |
|
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170808 |