CN108683755B - Electronic device and display device - Google Patents
Electronic device and display device Download PDFInfo
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- CN108683755B CN108683755B CN201810360632.7A CN201810360632A CN108683755B CN 108683755 B CN108683755 B CN 108683755B CN 201810360632 A CN201810360632 A CN 201810360632A CN 108683755 B CN108683755 B CN 108683755B
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- fingerprint identification
- transmission channel
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- light
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- 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
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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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- 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
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- 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
- H04M1/18—Telephone sets specially adapted for use in ships, mines, or other places exposed to adverse environment
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- 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
- H04M1/22—Illumination; Arrangements for improving the visibility of characters on dials
Abstract
The application discloses electronic equipment and display device, electronic equipment includes: the casing subassembly with be suitable for to fingerprint identification subassembly of fingerprint identification in the fingerprint identification district. Casing subassembly has fingerprint identification district and light transmission channel, and fingerprint identification is regional to be close to light transmission channel, fingerprint identification subassembly are located casing subassembly, and the fingerprint identification subassembly is close to light transmission channel, and light is suitable for and transmits to the fingerprint identification subassembly from light transmission channel. According to the electronic equipment, the fingerprint identification component can be hidden in the shell component, the fingerprint identification component is prevented from being arranged on the outer surface of the shell component, so that parts arranged on the outer surface of the shell component can be reduced, and the integrity of the electronic equipment is improved.
Description
Technical Field
The present application relates to the field of communications devices, and in particular, to an electronic device and a display apparatus.
Background
Fingerprint identification technology has become the standard configuration of flagship models of mainstream mobile terminal manufacturers, and the fingerprint identification can be used for unlocking, awakening and other functions of the mobile terminal and is also an important part of mobile payment. Fingerprint payment also puts forward higher requirement to the security when satisfying user's convenience.
However, the fingerprint module with fingerprint identification function among the prior art can occupy the subregion of display screen to it is less to lead to display area.
Content of application
The application provides an electronic device and a display device, which have the advantages of simple structure and wide application range.
According to the electronic equipment of this application embodiment, include: the shell assembly is provided with a fingerprint identification area and a light transmission channel, and the fingerprint identification area is close to the light transmission channel; be suitable for right fingerprint identification's in the fingerprint identification district fingerprint identification subassembly, the fingerprint identification subassembly is located in the casing subassembly, the fingerprint identification subassembly is close to light transmission channel, the light that the fingerprint identification subassembly sent is suitable for follow light transmission channel transmits, the warp return to again after the reflection of fingerprint identification district the fingerprint identification subassembly.
According to the electronic equipment of this application embodiment, can utilize the transmissibility of light through setting up light transmission channel in casing assembly, the light signal who will bear the weight of fingerprint information transmits for the fingerprint identification subassembly to discernment fingerprint information can hide the fingerprint identification subassembly in casing assembly from this, avoids setting up the fingerprint identification subassembly on casing assembly's surface, thereby can reduce the part of setting at casing assembly surface, promotes electronic equipment's integrality.
According to the electronic equipment of this application embodiment, include: a face piece having a fingerprint identification area; the display screen and the appearance piece are arranged in a stacked mode, a light transmission channel is formed between the display screen and the appearance piece, and part of the side wall of the light transmission channel is formed by the fingerprint identification area; fingerprint identification subassembly, the fingerprint identification subassembly includes signal transmission spare and signal receiving spare, signal transmission spare is located light transmission path's one end, signal receiving spare is located light transmission path's the other end, the light of signal transmission spare transmission is suitable for the entering light transmission path, and light process by behind the fingerprint identification district reflection signal receiving spare receives.
According to the electronic equipment of this application embodiment, through utilizing outward appearance piece and display screen to inject light transmission channel, and utilize the fingerprint identification district of outward appearance piece to construct the partial lateral wall of light transmission channel to supply fingerprint identification subassembly discernment fingerprint information, can hide the fingerprint identification subassembly in electronic equipment from this, reduce the part that sets up at the electronic equipment surface, promote electronic equipment's integrality.
A display device according to an embodiment of the present application includes: a display element for displaying image information to a user; the protective element, the external surface of the said protective element has one or more fingerprint identification areas, have a signal transmission channel between said protective element and said display element; the fingerprint identification device is provided with a signal transmitter and a signal receiver, the signal transmitter and the signal receiver are respectively positioned on two opposite sides of the display element, and a signal transmitted by the signal transmitter is transmitted to the signal receiver through the signal transmission channel so that the fingerprint identification is used for sensing the fingerprint of a user in the one or more fingerprint identification areas.
According to the display device of the embodiment of the application, the signal transmission channel is arranged between the protection piece and the display element, and the signal emitted by the signal emitter is transmitted to the signal receiver through the signal transmission channel, so that the fingerprint identification senses the fingerprint of a user in one or more fingerprint identification areas, and therefore the fingerprint identification device can be hidden, parts arranged on the outer surface of the display device are reduced, and the integrity of the display device is improved.
Drawings
The above and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic structural diagram of an electronic device according to an embodiment of the present application;
FIG. 2 is a schematic structural diagram of an electronic device according to an embodiment of the present application;
FIG. 3 is a schematic structural diagram of an electronic device according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of a signal receiver of a display device according to an embodiment of the present application.
Reference numerals:
the electronic device 100, the light rays 101,
a housing assembly 110, a fingerprint identification area 111, a light transmission channel 112, a second coating 113,
the cover plate 121, the reflective part 122, the first coating layer 123,
the dimensions of the front housing 114, the rear housing 115,
the display screen 130, the gap 131,
the fingerprint recognition assembly 170, the signal emitting element 150, the signal receiving element 160,
the display device (200) is provided with a display,
the display elements 210 are arranged in a matrix of pixels,
the protective member 220, the fingerprint recognition area 221, the signal transmission channel 222,
Detailed Description
Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.
In the description of the present application, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like are used in the indicated orientations and positional relationships based on the drawings for ease of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be considered as limiting. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
An electronic device 100 according to an embodiment of the application is described below with reference to the drawings, and comprises a housing assembly 110 and a fingerprint identification assembly adapted to fingerprint a fingerprint within a fingerprint identification area 111. It should be noted that the fingerprint identification component may be a fingerprint identification component implemented based on optical principles, such as refraction and reflection principles of light; of course, the fingerprint identification component may also be based on radio frequency or acoustic wave transmission principles. Such as fingerprint recognition using the reflection principle of ultrasonic waves.
Specifically, the device for identifying a fingerprint by using an optical principle, which can be called as an optical sensor, mainly uses the principles of refraction and reflection of light to place a finger on an optical lens, the finger is irradiated by a built-in light source, light is emitted from the bottom to a prism and is emitted through the prism, and the refraction angle of the emitted light on uneven lines of the fingerprint on the surface of the finger and the brightness of the reflected light are different. The image is projected on a CMOS or CCD on a charge coupled device by a prism, and then a digital multi-gray-scale fingerprint image with black ridges (lines with certain width and trend in the fingerprint image) and white valleys (concave parts between the lines) is formed, and the digital multi-gray-scale fingerprint image can be processed by a fingerprint device algorithm.
Devices for identifying fingerprints using the principle of radio frequency or acoustic transmission, which may be referred to as radio frequency/ultrasonic sensors, are similar to sonar for detecting seabed material, and rely on signal reflections of specific frequencies to ascertain the specific form of the fingerprint. The fingerprint module has the greatest advantage that a finger does not need to be in contact with the fingerprint module, so that the appearance of the mobile phone is not greatly influenced. The ultrasonic detection principle is the same, namely the distance difference of ridges and valleys is detected according to the time difference of reflected waves, and a fingerprint image is drawn according to the distance difference.
As shown in fig. 1, the fingerprint sensor may be formed using an optical structure, such as one or more optical transmitters and one or more receivers, to optically acquire fingerprint data. The housing assembly 110 has 1 or more fingerprint recognition areas 111 and a light transmission passage 112, and the fingerprint recognition areas 111 are adjacent to the light transmission passage 112. The fingerprint identification subassembly is located casing subassembly 110, and the fingerprint identification subassembly is close to light transmission channel 112, and the light that the fingerprint identification subassembly was sent is suitable for from light transmission channel 112 transmission, returns the fingerprint identification subassembly after the fingerprint identification district 111 reflects.
It should be noted that, the light that the fingerprint identification subassembly can send, for example, the fingerprint identification subassembly can be for utilizing the fingerprint identification sensor of infrared light discernment fingerprint pattern, and when the finger covered fingerprint identification district 111, light 101 shined fingerprint identification district 111 to in being reflected light transmission path 112, light 101 was received by the fingerprint identification subassembly again, and the fingerprint identification subassembly can be according to the fingerprint information collection fingerprint information that receives.
According to the electronic device 100 of the embodiment of the application, the light transmission channel 112 is arranged in the housing assembly 110, so that the light signal carrying the fingerprint information can be transmitted to the fingerprint identification assembly by utilizing the transmissibility of the light, the fingerprint information can be identified, the fingerprint identification assembly can be hidden in the housing assembly 110, the fingerprint identification assembly is prevented from being arranged on the outer surface of the housing assembly 110, the number of components arranged on the outer surface of the housing assembly 110 can be reduced, and the integrity of the electronic device 100 can be improved.
According to some embodiments of the present application, electronic device 100 includes a display screen 130, display screen 130 may be used to display images or textual information to a user, and display screen 130 is located within housing assembly 110. The housing assembly 110 includes a cover plate 121, the cover plate 121 is stacked on the display 130, a gap 131 is formed between the cover plate 121 and the display 130, the gap 131 is configured as a light transmission channel 112, and the fingerprint identification area 111 is disposed on the cover plate 121.
It is understood that the light transmission channel 112 can be formed by using the gap 131 between the cover plate 121 and the display 130, that is, the light transmission channel 112 required by the fingerprint identification module can be formed by fully using the existing components of the electronic device 100, so that not only the number of components of the electronic device 100 can be reduced, but also the internal space of the housing module 110 can be saved, which is convenient for optimizing the internal space of the electronic device 100.
In some embodiments, as shown in fig. 1, at least a portion of the edge of the cover plate 121 extends beyond the edge of the display 130, the portion of the cover plate 121 extending beyond the display 130 is the reflection portion 122, the fingerprint identification component is opposite to the reflection portion 122, and the light in the light transmission channel 112 is suitable for being transmitted between the light transmission channel 112 and the fingerprint identification component after being reflected by the reflection portion 122. Therefore, the extending direction of the light transmission channel 112 can be changed by using the reflection part 122 in combination with the light reflection characteristic, so that the position of the fingerprint identification component can be flexibly placed according to the internal structure of the electronic device 100.
As shown in fig. 1, according to some embodiments of the present application, a portion of the cover plate 121 beyond the display screen 130 is bent to configure the reflection part 122. It can be understood that, through the part that sets up the bending on apron 121 to utilize the part of buckling to construct reflection part 122, light transmission path 112 that is constructed by reflection part 122 can form a turn, and light when light is at light transmission path 112 internal reflection, turn structure makes light production reflection more easily, thereby can promote the emissivity of light, and then can make the fingerprint identification subassembly gather more fingerprint information, promotes the identification efficiency and the precision of fingerprint identification subassembly.
In order to improve the reflection efficiency of the reflection part 122, in some embodiments of the present application, the reflection part 122 has a first coating layer 123. Further, the first coating layer 123 may be an aluminum layer. Further, the surface roughness of the first coating layer 123 is Ra ≦ 10 μm. In some embodiments of the present application, the cover plate 121 may be a glass cover plate 121, a sapphire cover plate 121. In some embodiments, the cover plate 121 may have a transmittance of infrared rays of 80% or more. In some embodiments, the thickness of the cover plate 121 may be greater than or equal to 0.8mm, so that the light penetration amount may be increased, and thus, more fingerprint image information may be provided for the fingerprint identification assembly, and the accuracy of fingerprint identification of the fingerprint identification assembly may be increased. In some embodiments of the present application, the display screen 130 may be an OLED screen or an LCD screen.
In order to improve the light transmission efficiency of the light transmission channel 112, according to some embodiments of the present application, at least a portion of the inner peripheral wall of the light transmission channel 112 is provided with a second coating layer 113. Further, the second coating layer 113 may be an ink layer. It should be noted that, the amount of diffusion particles doped in the ink is small, and the refraction efficiency of light can be improved.
As shown in fig. 1, according to some embodiments of the present application, the fingerprint recognition assembly may include a signal emitting part 150 and a signal receiving part 160, wherein the light emitted from the signal emitting part 150 is adapted to enter the light transmission passage 112, and the light is received by the signal receiving part 160 after passing through the fingerprint recognition area 111. It should be noted that the signal emitting element 150 and the signal receiving element 160 can be separately disposed, for example, the signal emitting element 150 and the signal receiving element 160 can be located at different positions inside the housing assembly 110, so that the fingerprint identification assembly can be flexibly disposed, the internal space of the housing assembly 110 is occupied, the requirement of the integrated fingerprint identification assembly on the accommodation space is reduced, and the layout of the components of the housing assembly 110 can be optimized.
According to some embodiments of the present disclosure, the signal transmitter 150 may be an active light source module. It should be noted that the active light source module can provide a near-collimated infrared band light source, and the active light source module can elastically select the time of the fingerprint illumination, and is not limited by the screen brightness. Further, by selecting the active light source module, when designing the outer surface of the electronic device 100, the design of the panel does not need to be modified, and the color gamut, saturation, resolution and brightness of the display surface are not affected.
According to some embodiments of the application, the fingerprint identification component may be plural. Therefore, the number of fingerprint identification components can be flexibly selected, and the arrangement mode of the fingerprint identification components can be designed, so that the diversity of the electronic equipment 100 can be improved.
According to some embodiments of the present application, the light transmission channel 112 has an optical fiber therein. It should be noted that the internal medium of the optical fiber can be configured as the light transmission channel 112, that is, the optical fiber serves as a carrier for light transmission, so that light can be transmitted rapidly and efficiently inside the optical fiber, and the loss rate of the light can be reduced. Of course, the form of the light transmission channel 112 is not limited to this, for example, in some embodiments of the present application, a light guide layer is disposed in the light transmission channel 112, and the light guide layer may be a structure made of a material having a light guide property, and may be formed in a cylindrical shape or a sheet shape.
According to some embodiments of the present disclosure, as shown in fig. 1, the fingerprint identification area 111 may be multiple, so that the flexibility of disposing the fingerprint identification area 111 may be improved, and the location of multiple points on the outer surface of the housing assembly 110 may be selected.
According to some embodiments of the present application, as shown in fig. 2, the electronic device 100 includes a display 130, the housing assembly 110 includes a front housing 114 and a rear housing 115, the display 130 is embedded in the front housing 114, the rear housing 115 is connected to the front housing 114, the light transmission channel 112 is located between the display 130 and the rear housing, and the fingerprint identification area 111 is located in the rear housing 115. Whereby fingerprint recognition may be implemented on the back cover of the electronic device 100.
As shown in fig. 1 and 2, the electronic device 100 according to the embodiment of the present application includes an exterior member, a display 130, and a fingerprint identification component.
Specifically, the exterior piece has a fingerprint identification area 111, the display screen 130 and the exterior piece are stacked, a light transmission channel 112 is formed between the display screen 130 and the exterior piece, a part of the side wall of the light transmission channel 112 is formed by the fingerprint identification area 111, the fingerprint identification assembly comprises a signal emitting piece 150 and a signal receiving piece 160, the signal emitting piece 150 is located at one end of the light transmission channel 112, the signal receiving piece 160 is located at the other end of the light transmission channel 112, light emitted by the signal emitting piece 150 is suitable for entering the light transmission channel 112, and the light is received by the signal receiving piece 160 after being reflected by the fingerprint identification area 111.
According to the electronic device 100 of the embodiment of the application, the light transmission channel 112 is defined by the appearance piece and the display screen 130, and the fingerprint identification area 111 of the appearance piece is utilized to construct a part of the side wall of the light transmission channel 112, so that the fingerprint identification component can identify fingerprint information, the fingerprint identification component can be hidden in the electronic device 100, components arranged on the outer surface of the electronic device are reduced, and the integrity of the electronic device is improved.
According to some embodiments of the present application, the exterior member may be a cover plate protecting the display screen 130, or the exterior member may be a rear case of the electronic device 100.
The electronic device 100 according to the embodiment of the present application is described in detail below with reference to fig. 1.
It should be noted that as used herein, an "electronic device" may be a mobile terminal, including, but not limited to, a device configured to receive/transmit communication signals via a wireline connection (e.g., via a Public Switched Telephone Network (PSTN), a Digital Subscriber Line (DSL), a digital cable, a direct cable connection, and/or another data connection/network) and/or via a wireless interface (e.g., for a cellular network, a Wireless Local Area Network (WLAN), a digital television network such as a DVB-H network, a satellite network, an AM-FM broadcast transmitter, and/or another communication terminal). Communication terminals arranged to communicate over a wireless interface may be referred to as "wireless communication terminals", "wireless terminals", and/or "mobile terminals". Examples of mobile terminals include, but are not limited to, satellite or cellular telephones; a Personal Communications System (PCS) terminal that may combine a cellular radiotelephone with data processing, facsimile and data communications capabilities; PDAs that may include radiotelephones, pagers, internet/intranet access, Web browsers, notepads, calendars, and/or Global Positioning System (GPS) receivers; and conventional laptop and/or palmtop receivers or other electronic devices that include a radiotelephone transceiver.
In the embodiment of the present invention, the electronic device may be various devices that can acquire and process data from the outside, or the electronic device may be various devices that have a built-in battery and can acquire and charge the battery from the outside, such as a mobile phone, a tablet computer, a computing device, an information display device, or the like.
As shown in FIG. 1, electronic device 100 includes a housing assembly 110, a fingerprint identification assembly, and a display 130, the display 130 being disposed within the housing assembly 110. The housing assembly 110 includes a housing and a cover plate 121, the cover plate 121 is embedded in the housing, the cover plate 121 and the display screen 130 are stacked, a gap 131 is formed between the cover plate 121 and the display screen 130, the gap 131 is configured as a light transmission channel 112, and the outer surface of the cover plate 121 has a plurality of spaced fingerprint identification areas 111. The fingerprint identification area 111 may be located on an outer surface of the cover plate 121.
The fingerprint recognition assembly is located in the housing assembly 110, and may include a signal emitting element 150 and a signal receiving element 160, the signal emitting element 150 being located at one end of the light transmission path 112, and the signal receiving element 160 being located at the other end of the light transmission path 112. After the light 101 emitted from the signal emitting element 150 is reflected for a plurality of times in the light transmission channel 112, the light transmission channel 112 irradiates the fingerprint identification area 111, the light 101 irradiating the fingerprint identification area 111 is reflected for a plurality of times and received by the signal receiving element 160, and the fingerprint identification component can collect fingerprint information according to the received light information.
The signal emitting element 150 and the signal receiving element 160 can be separately disposed, for example, the signal emitting element 150 and the signal receiving element 160 can be located at different positions inside the housing assembly 110, so that the fingerprint identification assembly can be flexibly disposed, the internal space of the housing assembly 110 is small, the requirement of the integral fingerprint identification assembly on the accommodating space is reduced, and the layout of the components of the housing assembly 110 can be optimized.
The signal transmitter 150 may be an active light source module. It should be noted that the active light source module can provide a near-collimated infrared band light source, and the active light source module can elastically select the time of the fingerprint illumination, and is not limited by the screen brightness. Further, by selecting the active light source module, when designing the outer surface of the electronic device 100, the design of the panel does not need to be modified, and the color gamut, saturation, resolution and brightness of the display surface are not affected.
As shown in fig. 1, at least a portion of the edge of the cover plate 121 extends beyond the edge of the display 130, the portion of the cover plate 121 extending beyond the display 130 is a reflection portion 122, the fingerprint identification component is opposite to the reflection portion 122, and the light in the light transmission channel 112 is suitable for being transmitted between the light transmission channel 112 and the fingerprint identification component after being reflected by the reflection portion 122. The reflection part 122 has a first coating 123, the first coating 123 may be an aluminum layer, and the surface roughness of the first coating 123 is Ra ≦ 10 μm.
In order to improve the reflection efficiency of the cover plate 121, the cover plate 121 may be made of glass or sapphire, the transmittance of infrared light of the cover plate 121 may be greater than or equal to 80%, and the thickness of the cover plate 121 may be greater than or equal to 0.8 mm.
In order to improve the light transmission efficiency in the light transmission channel 112, the inner peripheral wall of at least part of the light transmission channel 112 is provided with a second coating layer 113, the second coating layer 113 can be an ink layer, and the diffusion particles doped in the ink are few, so that the refraction efficiency of the light can be improved.
As shown in fig. 3 and 4, the display device 200 according to the embodiment of the present application includes: a protector 220, a fingerprint recognition device 230 and a display element 210 for displaying image information to a user. The outer surface of the protection member 220 has one or more fingerprint recognition regions 221, a signal transmission channel 222 is formed between the protection member 220 and the display element 210, the fingerprint recognition device 230 has a signal transmitter 231 and a signal receiver 232, the signal transmitter 231 and the signal receiver 232 are respectively located at two opposite sides of the display element 210, and a signal transmitted by the signal transmitter 231 is transmitted to the signal receiver 232 through the signal transmission channel 222, so that the fingerprint recognition senses a user's fingerprint located in the one or more fingerprint recognition regions 221. The protective member 220 may be a cover plate that covers the display device 200 and is disposed on the upper layer of the display element 210, or may be a rear case that configures the display device 200.
It should be noted that the display device herein may be a kind of electronic device, and the protection member may be an appearance member or a housing assembly of the electronic device.
The fingerprint recognition device may be a fingerprint recognition assembly implemented based on optical principles, such as refraction and reflection of light; of course, the fingerprint recognition device may also be based on radio frequency or acoustic wave transmission principles. Such as fingerprint recognition using the reflection principle of ultrasonic waves.
Specifically, the device for identifying a fingerprint by using an optical principle, which can be called as an optical sensor, mainly uses the principles of refraction and reflection of light to place a finger on an optical lens, the finger is irradiated by a built-in light source, light is emitted from the bottom to a prism and is emitted through the prism, and the refraction angle of the emitted light on uneven lines of the fingerprint on the surface of the finger and the brightness of the reflected light are different. The image is projected on a CMOS or CCD on a charge coupled device by a prism, and then a digital multi-gray-scale fingerprint image with black ridges (lines with certain width and trend in the fingerprint image) and white valleys (concave parts between the lines) is formed, and the digital multi-gray-scale fingerprint image can be processed by a fingerprint device algorithm.
Devices for identifying fingerprints using the principle of radio frequency or acoustic transmission, which may be referred to as radio frequency/ultrasonic sensors, are similar to sonar for detecting seabed material, and rely on signal reflections of specific frequencies to ascertain the specific form of the fingerprint. The fingerprint module has the greatest advantage that a finger does not need to be in contact with the fingerprint module, so that the appearance of the mobile phone is not greatly influenced. The ultrasonic detection principle is the same, namely the distance difference of ridges and valleys is detected according to the time difference of reflected waves, and a fingerprint image is drawn according to the distance difference.
According to the display device 200 of the embodiment of the application, the signal transmitted by the signal transmitter 231 is transmitted to the signal receiver 232 through the signal transmission channel 222 between the protection member 220 and the display element 210, so that the fingerprint identification senses the fingerprint of the user in one or more fingerprint identification areas 221, and therefore the fingerprint identification device 230 can be hidden, so that the number of parts arranged on the outer surface of the display device 200 is reduced, and the integrity of the display device 200 is improved.
In some embodiments, the signal emitter 231 is an optical signal emitter or an ultrasonic signal emitter.
In some embodiments, the signal emitter 231 is an optical signal emitter or an ultrasonic signal emitter. In some embodiments, as shown in fig. 4, the effective signal receiving area 233 of the signal receiver 232 is a long strip, and it should be noted that the effective signal receiving area 233 is arranged in a long strip, so as to facilitate the positioning of the signal receiver 232.
For example, in some embodiments, as shown in FIG. 3, the signal active receiving area 233 of the signal receiver 232 is located at the edge of the display element 210; as another example, in some embodiments, the signal valid receiving area 233 of the signal receiver 232 is located at a gap between the display element 210 and the protection member 220, that is, when the display element 210 is assembled on the protection member 220, an assembly gap is formed between the display element 210 and the protection member 220, and the signal valid receiving area 233 may be opposite to the gap, thereby making full use of the assembly gap, and setting the position of the signal receiver 232, thereby optimizing the space inside the display device 200 and optimizing the layout of the respective components.
In the description herein, reference to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the application, the scope of which is defined by the claims and their equivalents.
Claims (22)
1. An electronic device, comprising:
the shell assembly is provided with a fingerprint identification area and a light transmission channel, and the fingerprint identification area is close to the light transmission channel;
the fingerprint identification component is suitable for identifying fingerprints in the fingerprint identification area, the fingerprint identification component is positioned in the shell component and is close to the light transmission channel, and light emitted by the fingerprint identification component is suitable for being transmitted from the light transmission channel, reflected by the fingerprint identification area and then returned to the fingerprint identification component;
a display screen located within the housing assembly,
the casing subassembly includes the apron, the apron with the range upon range of setting of display screen, the apron with the clearance has between the display screen, the clearance constructs into light transmission channel, the fingerprint identification district is located the apron, at least partial edge of apron surpasss the edge of display screen, the portion that surpasss of apron the part of display screen is the reflection part, the portion that surpasss of apron is buckled in order to construct the reflection part, the fingerprint identification subassembly with the reflection part is relative, light in the light transmission channel is suitable for the warp the reflection part is back light transmission channel with transmit between the fingerprint identification subassembly.
2. The electronic device of claim 1, wherein the reflective portion has a first coating.
3. The electronic device of claim 2, wherein the first coating is an aluminum layer.
4. The electronic device of claim 3, wherein the first coating has a surface roughness Ra ≦ 10 μm.
5. The electronic device of claim 1, wherein the cover plate is a glass cover plate, a sapphire cover plate.
6. The electronic device of claim 1, wherein the cover plate has a thickness of 0.8mm or more.
7. The electronic device of claim 1, wherein the display screen is an OLED screen or an LCD screen.
8. The electronic device of claim 1, wherein the cover plate has a transmittance of infrared light of 80% or more.
9. The electronic device of claim 1, wherein at least a portion of an inner peripheral wall of the light transmission channel is provided with a second coating.
10. The electronic device of claim 9, wherein the second coating is an ink layer.
11. The electronic device of claim 1, wherein the fingerprint identification component comprises:
a signal emitting member; and
the signal receiving part is suitable for the light rays emitted by the signal emitting part to enter the light ray transmission channel, and the light rays are received by the signal receiving part after being reflected by the fingerprint identification area.
12. The electronic device of claim 11, wherein the signal emitter is an active light source module.
13. The electronic device of claim 1, wherein the fingerprint identification component is a plurality.
14. The electronic device of claim 1, wherein the light transmission channel has an optical fiber or a light guide layer therein.
15. The electronic device of claim 1, wherein the fingerprint identification area is plural.
16. The electronic device of claim 1, wherein the electronic device comprises a display screen;
the housing assembly includes:
the display screen is embedded in the front shell;
the rear shell, the rear shell with preceding shell is connected, light transmission path is located the display screen with between the rear shell, the fingerprint identification district is located the rear shell.
17. An electronic device, comprising:
a face piece having a fingerprint identification area;
the display screen and the appearance piece are arranged in a stacked mode, a light transmission channel is formed in a gap between the display screen and the appearance piece, part of the side wall of the light transmission channel is formed by the fingerprint identification area, and the appearance piece is a cover plate for protecting the display screen;
the fingerprint identification assembly comprises a signal emitting piece and a signal receiving piece, the signal emitting piece is positioned at one end of the light transmission channel, the signal receiving piece is positioned at the other end of the light transmission channel, the light emitted by the signal emitting piece is suitable for entering the light transmission channel, and the light is received by the signal receiving piece after being reflected by the fingerprint identification area,
at least part of the edge of the cover plate exceeds the edge of the display screen, the part of the cover plate exceeding the display screen is a reflection part, the part of the cover plate exceeding the display screen is bent to form the reflection part, the fingerprint identification component is opposite to the reflection part, and light in the light transmission channel is suitable for being transmitted between the light transmission channel and the fingerprint identification component after being reflected by the reflection part.
18. A display device, comprising:
a display element for displaying image information to a user;
a protection member having one or more fingerprint recognition regions on an outer surface thereof, a signal transmission channel being configured in a gap between the protection member and the display element, the protection member being a cover plate for protecting the display element;
a fingerprint identification device having a signal emitter and a signal receiver, the signal emitter and the signal receiver being located on opposite sides of the display element, the signal emitted by the signal emitter is transmitted to the signal receiver through the signal transmission channel, such that the fingerprint identification senses a user's fingerprint located within the one or more fingerprint identification zones, at least part of the edge of the cover plate exceeds the edge of the display element, the part of the cover plate exceeding the display element is a reflecting part, a portion of the cover plate beyond the display element is bent to configure the reflection portion, the fingerprint recognition device being opposite to the reflection portion, the light in the signal transmission channel is suitable for being transmitted between the signal transmission channel and the fingerprint identification device after being reflected by the reflection part.
19. The display device according to claim 18, wherein the signal emitter is an optical signal emitter or an ultrasonic signal emitter.
20. The display device according to claim 18, wherein the signal receiving effective area of the signal receiver is elongated.
21. A display device as claimed in claim 18, characterised in that the signal-active receiving area of the signal receiver is located at the edge of the display element.
22. The display device as claimed in claim 18, wherein the signal receiving section of the signal receiver is formed in a gap between the display element and the protective member.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810360632.7A CN108683755B (en) | 2018-04-20 | 2018-04-20 | Electronic device and display device |
| PCT/CN2019/081737 WO2019201108A1 (en) | 2018-04-20 | 2019-04-08 | Electronic device and display apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810360632.7A CN108683755B (en) | 2018-04-20 | 2018-04-20 | Electronic device and display device |
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| CN108683755A CN108683755A (en) | 2018-10-19 |
| CN108683755B true CN108683755B (en) | 2020-03-20 |
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| CN201810360632.7A Active CN108683755B (en) | 2018-04-20 | 2018-04-20 | Electronic device and display device |
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| WO (1) | WO2019201108A1 (en) |
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| CN108683755B (en) * | 2018-04-20 | 2020-03-20 | Oppo广东移动通信有限公司 | Electronic device and display device |
| CN109598233B (en) * | 2018-12-04 | 2021-03-16 | 武汉华星光电半导体显示技术有限公司 | Display device with fingerprint identification function |
| CN110785771B (en) * | 2019-01-22 | 2023-09-08 | 深圳市汇顶科技股份有限公司 | Under-screen optical fingerprint identification system, fingerprint identification display device and electronic equipment |
| CN109981845A (en) * | 2019-03-19 | 2019-07-05 | 武汉天马微电子有限公司 | A kind of display panel, display device and its fingerprint touch control method |
| CN110149429B (en) * | 2019-05-23 | 2021-03-26 | Oppo广东移动通信有限公司 | Terminal equipment |
| CN112732012A (en) * | 2019-10-29 | 2021-04-30 | 北京小米移动软件有限公司 | Electronic device |
| WO2021081763A1 (en) * | 2019-10-29 | 2021-05-06 | 深圳市汇顶科技股份有限公司 | Under-screen fingerprint recognition apparatus and electronic device |
| CN111066028B (en) * | 2019-11-04 | 2023-09-08 | 深圳市汇顶科技股份有限公司 | Fingerprint identification system of liquid crystal display screen, electronic device and fingerprint identification module |
| CN110929609A (en) * | 2019-11-12 | 2020-03-27 | Oppo广东移动通信有限公司 | Electronic device |
| CN113011234A (en) * | 2019-12-20 | 2021-06-22 | 云丁网络技术(北京)有限公司 | Method and system for identity confirmation |
| CN113657342B (en) * | 2021-08-26 | 2023-09-15 | 昆山国显光电有限公司 | Fingerprint identification device and display device |
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| CN101751186B (en) * | 2009-12-30 | 2011-12-21 | 鸿富锦精密工业（深圳）有限公司 | Touch electronic device and control method thereof |
| US9704013B2 (en) * | 2014-03-21 | 2017-07-11 | Sony Mobile Communications Inc. | Electronic device with display-based fingerprint reader |
| US10157305B2 (en) * | 2015-10-19 | 2018-12-18 | Qualcomm Incorporated | Cover-glass optical isolation for optical touch and fingerprint sensing |
| CN105844233B (en) * | 2016-03-21 | 2022-07-05 | 京东方科技集团股份有限公司 | Fingerprint identification module, fingerprint identification device and display device |
| KR20180037799A (en) * | 2016-10-05 | 2018-04-13 | 삼성전자주식회사 | electronic device including biometric sensor |
| EP3383006A1 (en) * | 2017-01-24 | 2018-10-03 | Shenzhen Goodix Technology Co., Ltd. | Electronic device |
| CN107506730B (en) * | 2017-08-25 | 2021-06-29 | 北京小米移动软件有限公司 | Fingerprint module, pressure sensing control method and device and computer readable storage medium |
| CN108683755B (en) * | 2018-04-20 | 2020-03-20 | Oppo广东移动通信有限公司 | Electronic device and display device |
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- 2018-04-20 CN CN201810360632.7A patent/CN108683755B/en active Active
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- 2019-04-08 WO PCT/CN2019/081737 patent/WO2019201108A1/en active Application Filing
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| CN108683755A (en) | 2018-10-19 |
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