CN107392181B - Semiconductor fingerprint module indicating device adapting to various shell structures - Google Patents
Semiconductor fingerprint module indicating device adapting to various shell structures Download PDFInfo
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- CN107392181B CN107392181B CN201710702100.2A CN201710702100A CN107392181B CN 107392181 B CN107392181 B CN 107392181B CN 201710702100 A CN201710702100 A CN 201710702100A CN 107392181 B CN107392181 B CN 107392181B
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- light
- homogenizing cavity
- ring
- embedded
- circuit board
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V19/00—Fastening of light sources or lamp holders
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
- F21V5/08—Refractors for light sources producing an asymmetric light distribution
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
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- Theoretical Computer Science (AREA)
- Image Input (AREA)
Abstract
The invention relates to a semiconductor fingerprint module indicating device adapting to various shell structures, which comprises a fingerprint sensor, a metal ring, a light transmission ring, a light homogenizing cavity and a circuit board, wherein the metal ring and the light transmission ring are of through hole closed loop structures, the edge of the fingerprint sensor is embedded and arranged in the metal ring, the edge of the metal ring is embedded and arranged in the light transmission ring, the light homogenizing cavity is covered behind the light transmission ring, an opening of the light homogenizing cavity faces the back of the fingerprint sensor, a notch is formed in the bottom of the light homogenizing cavity, the circuit board is embedded and arranged in the light homogenizing cavity through the notch, and a light source is arranged on part of the surface of the circuit board embedded in the light homogenizing cavity. The beneficial effects of the invention are as follows: through setting up even light chamber at fingerprint sensor back, the light that the light source sent carries out multiple diffuse reflection or scattering at even light chamber internal surface or material inside, reaches even light, colour mixture's effect, finally goes out through the printing opacity ring, has guaranteed that the light color of outgoing light is even soft.
Description
Technical Field
The invention relates to an indicating device, in particular to a semiconductor fingerprint module indicating device adapting to various shell structures.
Background
At present, fingerprint identification is widely applied to the aspects of people's life as a mainstream biological identification means, and most common and most relevant to daily life is application in door locks. At present, semiconductor fingerprint modules are more and more favored, but compared with optical fingerprint modules, the semiconductor fingerprint modules have no backlight, so that users cannot simply acquire the accurate position of the input fingerprint when the semiconductor fingerprint modules are used in dark environments, and inconvenience is caused to use in environments with insufficient light. The existing scheme for solving the problem that a user knows the position of a fingerprint identification module rapidly and accurately under the dark condition mainly comprises two types, wherein one type provides illumination for the position of the fingerprint identification module directly through an external light source, the other type is provided with a diffusion plate or a light guide plate with a special shape on the outer ring of the fingerprint module, a light source which emits light directly is arranged under the diffusion plate, the softness of the light is increased by scattering the emitted light through the diffusion plate, or the light source is arranged at one end, far away from the fingerprint module, of the light guide plate, and the light emitted by the light source is guided to the outer ring of the fingerprint module through the light guide plate. Although the scheme can play the role of indicating the position of the fingerprint identification module, external illumination can be realized by ensuring that a user can see the position of the fingerprint identification module and smoothly carry out fingerprint input operation, and the whole power consumption of the lockset can be increased for ensuring the effect. On the other hand, the semiconductor fingerprint module indicating device is fixed in structure and cannot adapt to different shell structures.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a semiconductor fingerprint module indicating device adapting to various shell structures, so that the problem that a user is difficult to simply acquire the position information of an input fingerprint in a dark environment is solved, the indicating light is uniform and soft through humanized structural design, the user experience is improved, the semiconductor fingerprint module indicating device structure is ensured to adapt to various shell structures, and the application range of the indicating device is expanded.
The utility model provides a semiconductor fingerprint module indicating device of multiple shell structure of adaptation, includes fingerprint sensor, metal ring, light transmission ring, even light chamber and circuit board, metal ring and light transmission ring are through-hole closed loop structure, fingerprint sensor border embedding is installed inside the metal ring, the metal ring border embedding is installed inside the light transmission ring, even light chamber cover is at the light transmission ring rear, the opening of even light chamber is towards the fingerprint sensor back, even light chamber bottom is opened there is the notch, the circuit board passes through notch part embedding and installs at even light intracavity portion, and the partial surface of circuit board embedding even light intracavity is equipped with the light source, and the light that the light source sent is diffuse reflection at even light intracavity portion.
As preferable: the sections of the edges of the metal ring and the light-transmitting ring are Z-shaped and are mutually nested.
As preferable: the circuit board embedded and installed in the light homogenizing cavity forms a certain included angle with the bottom surface of the light homogenizing cavity.
As preferable: the light homogenizing cavity is made of light scattering or light transmitting materials.
As preferable: and the inner wall or the outer surface of the light homogenizing cavity is coated with a diffusion material.
As preferable: the light source is arranged on the front and back surfaces of the circuit board.
As preferable: the light source is a monochromatic light source or a polychromatic light source.
The beneficial effects of the invention are as follows: the fingerprint sensor outer ring is provided with the light-transmitting ring, the aperture which is the same as the finger collecting surface shape of the fingerprint module is formed, the user can accurately know the position of the fingerprint identification module and the effective fingerprint input area through clear contrast in dark environment, the back of the fingerprint sensor is provided with the light-homogenizing cavity, light emitted by the light source is subjected to multiple diffuse reflection or scattering on the inner surface or the inside of the material of the light-homogenizing cavity, the effects of homogenizing light and color mixing are achieved, and finally the emergent light color is ensured to be uniform and soft through the light-transmitting ring. Meanwhile, the shape of the light homogenizing cavity can be designed in a diversified mode, so that the semiconductor fingerprint module indicating device adapting to various shell structures has no limit on peripheral assembly structures, and can adapt to the shell structures of various fingerprint modules.
Drawings
FIG. 1 is a cross-sectional view and an optical path diagram of a semiconductor fingerprint module indicating device adapted to multiple housing structures;
FIG. 2 is a side view of a square fingerprint sensor;
FIG. 3 is a side view of a square metal ring;
FIG. 4 is a side view of a square light-transmitting ring;
FIG. 5 is a side view of a trapezoidal shaped light homogenizing chamber;
FIG. 6 is a side view of a square circuit board;
FIG. 7 is a side view of an optical fingerprint module housing;
FIG. 8 is a side view of the bottom cover of the optical fingerprint module;
FIG. 9 is a cross-sectional view of an adaptive optical fingerprint module housing semiconductor fingerprint module indicating device;
reference numerals illustrate: the fingerprint sensor comprises a 1-fingerprint sensor, a 2-metal ring, a 3-light transmission ring, a 4-light homogenizing cavity, a 41-notch, a 5-circuit board, a 51-light source, a 6-square fingerprint sensor, a 7-square metal ring, an 8-square light transmission ring, a 9-trapezoid light homogenizing cavity, a 91-square notch, a 10-square circuit board, a 101-convex part, a 102-indicating light source, a 11-optical fingerprint module shell, a 111-fingerprint acquisition window, a 12-optical fingerprint module bottom cover and a 121-notch.
Detailed Description
The invention is further described below with reference to examples. The following examples are presented only to aid in the understanding of the invention. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the invention can be made without departing from the principles of the invention and these modifications and adaptations are intended to be within the scope of the invention as defined in the following claims.
As shown in fig. 1 to 9, the semiconductor fingerprint module indicating device adapting to various shell structures in this embodiment includes a fingerprint sensor 1, a metal ring 2, a light-transmitting ring 3, a light-homogenizing cavity 4 and a circuit board 5, where the metal ring 2 and the light-transmitting ring 3 are in a through hole closed loop structure, the edge of the fingerprint sensor 1 is embedded and installed inside the metal ring 2, the edge of the metal ring 2 is embedded and installed inside the light-transmitting ring 3, the light-homogenizing cavity 4 is covered behind the light-transmitting ring 3, the opening of the light-homogenizing cavity 4 faces the back of the fingerprint sensor 1, a notch 41 is opened at the bottom of the light-homogenizing cavity 4, the circuit board 5 is partially embedded and installed inside the light-homogenizing cavity 4 through the notch 41, a light source 51 is arranged on a part of the surface of the circuit board 5 embedded in the light-homogenizing cavity 4, and light emitted by the light source 51 is diffusely reflected inside the light-homogenizing cavity 4. The sections of the edges of the metal ring 2 and the light-transmitting ring 3 are Z-shaped and mutually nested. The circuit board 5 embedded and installed inside the dodging cavity 4 forms a certain included angle with the bottom surface of the dodging cavity 4. The light homogenizing cavity 4 is made of light scattering or light transmitting materials. The inner wall or the outer surface of the dodging cavity 4 is coated with a diffusion material. The light source 51 is disposed on the front and back surfaces of the circuit board 5. The light source 51 is a monochromatic light source or a polychromatic light source.
Referring to fig. 2 to 9, as an embodiment, the device comprises a square fingerprint sensor 6, a square metal ring 7, a square light-transmitting ring 8, a trapezoid light-homogenizing cavity 9, a square circuit board 10, an optical fingerprint module shell 11 and an optical fingerprint module bottom cover 12, wherein the square fingerprint sensor 6 is embedded and installed inside the square metal ring 7, the square metal ring 7 is embedded and installed inside the square light-transmitting ring 8, the square light-transmitting ring 8 is embedded and installed inside a fingerprint collecting window 111 of the optical fingerprint module shell 11, the trapezoid light-homogenizing cavity 9 is arranged behind the square light-transmitting ring 8, the opening is square and faces the back of the square fingerprint sensor 6, the trapezoid light-homogenizing cavity 9 is trapezoid-shaped, a square notch 91 is formed in the bottom of the trapezoid light-homogenizing cavity, the optical fingerprint module bottom cover 12 is matched with the optical fingerprint module shell 11, the square sensor 6, the square metal ring 7, the square light-transmitting ring 8 and the trapezoid light-homogenizing cavity 9 are fixed inside the optical fingerprint module shell 11, a notch 121 is formed above the optical fingerprint module 12, the notch 121 is aligned with the notch 91, the notch is formed on the light-transmitting ring 10, the light-transmitting ring 101 is arranged inside the square fingerprint module shell 11, the light-homogenizing cavity is formed by the light-transmitting ring 101, the light-guiding effect is formed by the light-homogenizing cavity, the light-guiding effect is formed by the light-emitting surface of the light source 101, and the light-guiding the light source is fixed on the square light-transmitting ring 101, and the light source is formed by the light-emitting the light source, and the light source 101, and the light-guiding plane is formed by the light-guiding the light source, and the light-guiding device.
Claims (6)
1. Semiconductor fingerprint module indicating device of multiple shell structure of adaptation, its characterized in that: the fingerprint sensor comprises a fingerprint sensor (1), a metal ring (2), a light-transmitting ring (3), a light-homogenizing cavity (4) and a circuit board (5), wherein the metal ring (2) and the light-transmitting ring (3) are of a through hole closed loop structure, the edge of the fingerprint sensor (1) is embedded and installed inside the metal ring (2), the edge of the metal ring (2) is embedded and installed inside the light-transmitting ring (3), the light-homogenizing cavity (4) is covered behind the light-transmitting ring (3), an opening of the light-homogenizing cavity (4) faces the back of the fingerprint sensor (1), a notch (41) is formed in the bottom of the light-homogenizing cavity (4), the circuit board (5) is partially embedded and installed inside the light-homogenizing cavity (4) through the notch (41), a light source (51) is arranged on part of the surface of the circuit board (5) embedded into the light-homogenizing cavity (4), and light rays emitted by the light source (51) are diffusely reflected inside the light-homogenizing cavity (4). The light source (51) is arranged on the front surface and the back surface of the circuit board (5).
2. The semiconductor fingerprint module indicating apparatus of claim 1 adapted to multiple housing structures, wherein: the edge sections of the metal ring (2) and the light-transmitting ring (3) are Z-shaped and mutually nested.
3. The semiconductor fingerprint module indicating apparatus of claim 1 adapted to multiple housing structures, wherein: the circuit board (5) embedded and installed inside the light homogenizing cavity (4) forms a certain included angle with the bottom surface of the light homogenizing cavity (4).
4. The semiconductor fingerprint module indicating apparatus of claim 1 adapted to multiple housing structures, wherein: the light homogenizing cavity (4) is made of light scattering or light transmitting materials.
5. The semiconductor fingerprint module indicating apparatus of claim 1 adapted to multiple housing structures, wherein: the inner wall or the outer surface of the light homogenizing cavity (4) is coated with a diffusion material.
6. The semiconductor fingerprint module indicating apparatus of claim 1 adapted to multiple housing structures, wherein: the light source (51) is a monochromatic light source or a polychromatic light source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710702100.2A CN107392181B (en) | 2017-08-16 | 2017-08-16 | Semiconductor fingerprint module indicating device adapting to various shell structures |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710702100.2A CN107392181B (en) | 2017-08-16 | 2017-08-16 | Semiconductor fingerprint module indicating device adapting to various shell structures |
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| Publication Number | Publication Date |
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| CN107392181A CN107392181A (en) | 2017-11-24 |
| CN107392181B true CN107392181B (en) | 2023-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710702100.2A Active CN107392181B (en) | 2017-08-16 | 2017-08-16 | Semiconductor fingerprint module indicating device adapting to various shell structures |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108304771B (en) * | 2017-12-22 | 2019-08-20 | 维沃移动通信有限公司 | A kind of fingerprint mould group fixing means, mobile terminal |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2886032A3 (en) * | 2005-05-17 | 2006-11-24 | Chuan Liang Ind Co Ltd | Contact image sensor, especially a fingerprint sensor, has a light guide with light guiding surfaces and a fingerprint contact surface, with said guide being folded over on itself to minimize the sensor size |
| CN104700082A (en) * | 2015-03-06 | 2015-06-10 | 南昌欧菲生物识别技术有限公司 | Fingerprint recognition module and touch screen based on fingerprint recognition |
| WO2017005153A1 (en) * | 2015-07-09 | 2017-01-12 | 承奕科技股份有限公司 | Anti-glare light-equalizing light source and image capturing device having same |
| CN207097008U (en) * | 2017-08-16 | 2018-03-13 | 杭州指安科技股份有限公司 | It is adapted to the semiconductor fingerprint module instruction device of a variety of shell mechanisms |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3751872B2 (en) * | 2001-10-30 | 2006-03-01 | 日本電気株式会社 | Fingerprint input device |
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2017
- 2017-08-16 CN CN201710702100.2A patent/CN107392181B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2886032A3 (en) * | 2005-05-17 | 2006-11-24 | Chuan Liang Ind Co Ltd | Contact image sensor, especially a fingerprint sensor, has a light guide with light guiding surfaces and a fingerprint contact surface, with said guide being folded over on itself to minimize the sensor size |
| CN104700082A (en) * | 2015-03-06 | 2015-06-10 | 南昌欧菲生物识别技术有限公司 | Fingerprint recognition module and touch screen based on fingerprint recognition |
| WO2017005153A1 (en) * | 2015-07-09 | 2017-01-12 | 承奕科技股份有限公司 | Anti-glare light-equalizing light source and image capturing device having same |
| CN207097008U (en) * | 2017-08-16 | 2018-03-13 | 杭州指安科技股份有限公司 | It is adapted to the semiconductor fingerprint module instruction device of a variety of shell mechanisms |
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| CN107392181A (en) | 2017-11-24 |
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