CN106295580A - Fingerprint keys and terminal equipment - Google Patents

Abstract

The present invention provides a fingerprint button, including a fingerprint recognition device and a light-emitting part, and the fingerprint recognition device includes: a fingerprint cover plate, a fingerprint chip and a circuit board. The fingerprint chip is located below the fingerprint cover plate, and is used to detect user touch, collect fingerprint information when the user touches, and perform feature extraction and feature comparison based on the fingerprint information to determine whether it matches the pre-stored fingerprint information. The circuit board is used to carry the fingerprint chip. The light-emitting part is located below the circuit board of the fingerprint recognition device and extends outside the circuit board of the fingerprint recognition device, and the light-emitting part is used to emit light when the fingerprint chip detects user touch. The present invention also provides a terminal device. The present invention can integrate the fingerprint button function and the prompt function in the fingerprint button area to save design space.

Description

Fingerprint keys and terminal equipment

technical field

The invention relates to electronic equipment, in particular to a fingerprint button and a terminal equipment with a light-emitting prompt structure.

Background technique

At present, terminal devices such as mobile phones and computers have been widely used as communication and information interaction devices. People can make calls, send text messages or communicate with people through social software through terminal equipment, which greatly facilitates people's lives. In order to prompt incoming calls, text messages or other events, the terminal device is usually provided with a prompt light for visual prompting. For example, when there is an unread text message, the prompt light will be turned on to remind the user.

However, the existing prompt lights are all separately set on the front screen of the terminal device, which takes up extra space, and for smaller terminal devices such as mobile phones, the screen-to-body ratio will be reduced.

Contents of the invention

In view of this, the present invention provides a fingerprint button and a terminal device, which can integrate a fingerprint identification function and a prompt function in the area of the fingerprint button, saving design space.

In one aspect, a fingerprint button is provided, the fingerprint button includes a fingerprint identification device and a light emitting part, the fingerprint identification device includes: a fingerprint cover; a fingerprint chip, located under the fingerprint cover, for detecting user touches, And collect the fingerprint information when the user touches, and perform feature extraction and feature comparison according to the fingerprint information to determine whether it matches the pre-stored fingerprint information; and a circuit board for carrying the fingerprint chip; wherein the light emitting part is located in the Below the circuit board of the fingerprint identification device and extending beyond the circuit board of the fingerprint identification device, the light emitting part is used to emit light when the fingerprint chip detects a user's touch.

Wherein, the light-emitting part emits light in the form of alternately displaying multiple colors of light, flashing and displaying one color of light, constantly brightly displaying one color of light, or alternately changing the brightness of the light from bright to dark or from dark to bright. .

Wherein, the light-emitting part includes a light guide plate and a light source, the light guide plate is arranged under the circuit board and extends outside the circuit board, the light source is arranged close to the light guide plate, and the light source is placed on the fingerprint The chip emits light when detected by the user's touch, and guides the light emitted by the light source to one side of the fingerprint chip through the light guide plate.

Wherein, the light-emitting part includes a light source, the light source is arranged under the circuit board and extends outside the circuit board to the bottom of the light-transmitting area, and the light source detects that the fingerprint chip detects that the user It emits light when touched, and guides the light emitted by the light source to one side of the fingerprint chip through the light guide plate.

Wherein, the light source includes a plurality of LED lamps of different colors, and when the fingerprint chip detects a user touch, the plurality of LED lamps of different colors emit light alternately, and alternately display light of various colors; or, wherein The LED light of one color is alternately displayed or not displayed and the light of the corresponding color is blinked; or, the LED light of one color is always on and the light of the corresponding color is always on.

Wherein, the light source includes a plurality of LED lights of the same color, and when the fingerprint chip detects a user touch, the number of light emitted by the plurality of LED lights of the same color changes from more to less or from less to more, The brightness of the light source is changed alternately from bright to dark or from dark to bright.

Wherein, the light guide plate is made of transparent glass, transparent resin or transparent plastic.

In another aspect, a terminal device is provided, comprising a shell panel and a fingerprint button, the shell panel is provided with a receiving hole, the fingerprint button includes a fingerprint identification device and a light emitting part, the fingerprint identification device is accommodated in the receiving hole, The fingerprint identification device includes: a fingerprint chip, used to detect user touch, and collect fingerprint information when the user touches, and perform feature extraction and feature comparison according to the fingerprint information, to determine whether it matches the pre-stored fingerprint information; and a circuit board, Used to carry the fingerprint chip; wherein, the light-emitting part is located below the circuit board of the fingerprint identification device and extends outside the circuit board of the fingerprint identification device, and the light-emitting part is used for the fingerprint chip Lights up when a user touch is detected.

Wherein, the terminal device further includes a processor and a power supply circuit, the power supply circuit is connected to the light-emitting part, the power supply circuit includes a power supply and a power switch, the power switch is connected between the power supply and the light-emitting part, and the The processor is connected between the fingerprint chip and the power switch, and is used to control the power switch to be turned on when the fingerprint chip detects a user touch, the power supply supplies power to the light-emitting part, and the light-emitting part emits light as a reminder .

Wherein, the light-emitting part emits light in the form of alternately displaying multiple colors of light, flashing and displaying one color of light, constantly brightly displaying one color of light, or alternately changing the brightness of the light from bright to dark or from dark to bright. .

Wherein, the light-emitting part includes a light guide plate and a light source, the light guide plate is arranged under the circuit board and extends outside the circuit board, the light source is arranged close to the light guide plate, and the light source is placed on the fingerprint The chip emits light when detected by the user's touch, and guides the light emitted by the light source to one side of the fingerprint chip through the light guide plate.

Wherein, the light-emitting part includes a light source, the light source is arranged under the circuit board and extends outside the circuit board to the bottom of the light-transmitting area, and the light source detects that the fingerprint chip detects that the user It emits light when touched, and guides the light emitted by the light source to one side of the fingerprint chip through the light guide plate.

Wherein, the light source includes a plurality of LED lamps of different colors, the power switch is a multi-way selector switch connected between the power supply and the plurality of LED lamps of different colors, and the processor When the chip detects the touch of the user, it controls the multi-way selection switch to alternately conduct the connection between the power supply and the LED lights of different colors, and controls the LED lights of different colors to emit light alternately, and alternately displays various or, the processor controls the multi-way selector switch to alternately turn on or disconnect the connection between the power supply and one of the LED lights of the color, and controls the LED light of the corresponding color to flash to display the light of the corresponding color; or, The processor controls the multi-way selector switch to continuously connect the power supply to the LED light of one color, thereby controlling the LED light of the corresponding color to always be on to display the light of the corresponding color.

Wherein, the light source also includes a plurality of LED lamps of the same color, the power switch is a multi-way selector switch, connected between the power supply and the plurality of LED lamps of the same color, and the processor is in the When the fingerprint chip detects the touch of the user, it controls the multi-way selection switch to select the number of LED lights connected to the power supply from more to less or from less to more, so that the brightness of the light source is from bright to dark or from dark to dark. To Ming alternately.

Wherein, the light guide plate is made of transparent glass, transparent resin or transparent plastic.

Wherein, there is a gap between the fingerprint identification device and the side wall of the receiving hole, and the light emitted by the light emitting part is emitted to the outside of the shell panel through the gap for prompting.

Wherein, the fingerprint identification device also has a fingerprint cover, the fingerprint cover is provided with a light-shielding area and a light-transmitting area, the fingerprint chip and the circuit board are located at the position corresponding to the light-shielding area under the fingerprint cover, and the light emitting The region extending beyond the circuit board of the fingerprint recognition device is located below the light-transmitting region and covers the light-transmitting region from the inside of the shell panel.

Wherein, the inner surface of the fingerprint cover is covered with an ink material layer, the light-transmitting area is formed by removing ink material in a predetermined area on the inner surface of the fingerprint cover, and the light-shielding area is the inner surface of the fingerprint cover The area where the ink material layer remains on the top, the light-transmitting area is an annular area, and the light emitted by the light-emitting part is emitted to the outside of the fingerprint cover through the light-transmitting area for prompting.

Wherein, the shell panel is used as the cover plate of the fingerprint identification device, and the shell panel includes a light-transmitting area, and the area where the light part extends beyond the circuit board of the fingerprint identification device is located in the light-transmitting area. The light-transmitting area is covered from the inside of the shell panel from below the area.

Wherein, the inner surface of the shell panel is covered with an ink material layer, the light-transmitting area is an annular area surrounding the fingerprint chip formed by removing the ink material in a predetermined area on the inner surface of the shell panel, and the light-emitting part emits The light is emitted to the outside of the shell panel through the light-transmitting area for prompting.

The fingerprint button and the terminal device in the present invention can simultaneously realize the function of pressing the fingerprint button and the prompting function in the area of the fingerprint button, and there is no need to additionally set a prompting device such as a prompting light in other places of the housing, which saves design space.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. Those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is a schematic view of a terminal device in a first embodiment of the present invention from a first perspective.

Fig. 2 is a cross-sectional view of the terminal device in the first embodiment of the present invention cut along line II-II in Fig. 1 .

Fig. 3 is a cross-sectional view of a terminal device in another embodiment of the present invention, taken along line II-II in Fig. 1 .

Fig. 4 is a structural block diagram of some components of a terminal device in an embodiment of the present invention.

Fig. 5 is a specific circuit diagram of some components of a terminal device in an embodiment of the present invention.

Fig. 6 is a specific circuit diagram of some components of a terminal device in another embodiment of the present invention.

Fig. 7 is a schematic diagram of a first viewing angle of a terminal device in a second embodiment of the present invention.

Fig. 8 is a cross-sectional view of the terminal device in the second embodiment of the present invention cut along line II-II in Fig. 7 .

FIG. 9 is a schematic view of the inner surface of the fingerprint cover in the second embodiment of the present invention.

Fig. 10 is a schematic diagram of a first viewing angle of a terminal device in a third embodiment of the present invention.

Fig. 11 is a cross-sectional view of the terminal device in the third embodiment of the present invention cut along line II-II in Fig. 9 .

Fig. 12 is a schematic view of the inner surface of a part of the panel area of the terminal device shell in the third embodiment of the present invention.

detailed description

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

Please refer to FIG. 1 and FIG. 2 together. FIG. 1 is a schematic diagram of a terminal device 100 from a first perspective. The terminal device 100 includes a shell panel 1 and a fingerprint button 2 . The housing panel 1 is provided with a receiving hole 20 .

As shown in Figure 2, the fingerprint button 2 includes a fingerprint recognition device 31 and a light emitting part 32, the fingerprint recognition device 31 is accommodated in the receiving hole 20, and the fingerprint button 2 includes a fingerprint recognition device 31 and a light emitting part 32 , the light emitting portion 32 is located below the fingerprint identification device 31 and extends out of the fingerprint identification device 31 .

As shown in FIG. 2 , in one embodiment, the fingerprint identification device 31 includes a fingerprint chip 311 and a circuit board 312 . The circuit board 312 and the fingerprint chip 311 are sequentially stacked on the light emitting part 32. The circuit board 312 is located on the side close to the light emitting part 32 for carrying the fingerprint chip 311. side. That is, the fingerprint chip 311 is close to the outer side of the shell panel 1 , and the circuit board 312 is stacked between the fingerprint chip 311 and the light emitting part 32 . The fingerprint cover 313 can be an ITO (Indium Tin Oxid, indium tin oxide) transparent film, which has a conductive effect. The fingerprint chip 311 is used to detect the user's touch, and collect the fingerprint information when the user touches, and perform feature extraction and feature comparison according to the fingerprint information to determine whether it matches the pre-stored fingerprint information. The circuit board 312 is used to carry the fingerprint chip 311 and other functional chips, for example, there is a power chip on the circuit board 312 for powering the fingerprint chip 311 . The fingerprint chip 311 may be packaged and formed by BGA (Ball Grid Array, Ball Grid Array) technology, or by LGA (Land Grid Array, grid array package) technology.

Wherein, the light-emitting part 32 is located below the circuit board 312 of the fingerprint identification device 31 and extends to the outside of the circuit board 312 of the fingerprint identification device 31, and the light-emitting part 32 is used for detecting on the fingerprint chip 311. Lights up when a user touch is detected.

In one embodiment, as shown in FIG. 2 , the fingerprint identification device 31 further includes a fingerprint cover 313 , and the fingerprint cover 313 is located on a side away from the light emitting part 32 for protecting the fingerprint chip 311 . The fingerprint cover 313 can be an ITO (Indium Tin Oxid, indium tin oxide) transparent film, which has a conductive effect. The fingerprint identification device 31 is accommodated in the receiving hole 20 and has a gap 21 between it and the side wall B1 of the receiving hole 20 . Wherein, the outer diameter of the fingerprint identification device 31 is smaller than the diameter of the receiving hole 20 , when the fingerprint identification device 31 is received in the receiving hole 20 , the fingerprint identification device 31 and the side wall B1 of the receiving hole 20 form the gap 21 .

In some embodiments, the storage hole 20 and the fingerprint identification device 31 are oval, and the gap 21 between the storage hole 20 and the fingerprint identification device 31 is an annular gap. Apparently, the receiving hole 20 and the fingerprint recognition device 31 may be in the shape of a square, and the slit 21 may be a square annular slit or the like.

The area where the light emitting part 32 extends beyond the fingerprint identification device 31 is located below the gap 21 and covers the gap 21 from the inside of the shell panel 1 . The light-emitting part 32 emits light when the fingerprint chip 311 detects a user's touch, and guides the emitted light to the outside of the shell panel 1 through the gap 21 to prompt the touch event.

As shown in FIG. 1 , in one embodiment, the shell panel 1 is a front shell panel, and the shell panel 1 includes a frame 11 and a display receiving area 12 . The receiving hole 20 is disposed in a lower area of the face frame 11 . The terminal device 100 further includes a display screen 3 , and the display screen 3 is arranged in the display accommodation area 12 of the shell panel 1 . The display screen 3 can be a touch screen. Wherein, the shell panel 1 can be made of metal material, plastic material and the like.

As shown in FIG. 2 , in one embodiment, the light emitting unit 32 includes a light guide plate 321 and a light source 322 , the light guide plate 321 is arranged below the fingerprint identification device 31 and extends outside the fingerprint identification device 31 , And cover the gap 21 . The light source 322 is arranged close to the light guide plate 321. When the light source 322 emits light, the light guide plate 321 transmits the light emitted by the light source 322 to the slit 21, and emits the light to the shell panel through the slit 21. 1 to serve as a reminder. The light guide plate 321 is made of materials such as transparent glass, transparent resin or transparent plastic.

As shown in FIG. 2 , in one embodiment, the light source 322 is disposed on the side wall C1 of the light guide plate 321 . Obviously, in another embodiment, the light source 322 may be disposed on the bottom surface of the light guide plate 321 facing away from the fingerprint identification device 31 .

Please refer to FIG. 3 , in other embodiments, the light emitting part 32 only includes a light source 322, and the light source 322 is arranged below the fingerprint identification device 31 and extends outside the fingerprint identification device 31, and extends to Below the slit 21 , the light source 322 emits light in response to the occurrence of a preset event, and emits light to the outside of the shell panel 1 through the slit 21 .

In one embodiment, the light source 322 may include a plurality of LED lights of different colors. When the fingerprint chip 311 detects a user touch, the plurality of LED lights of different colors emit light alternately, and alternately display various color light. Or, when the fingerprint chip 311 detects the user's touch, one of the LED lights of one color will be alternately displayed or not displayed, and the light of the corresponding color will be flashed. Or, when the fingerprint chip 311 detects the user's touch, one of the LED lights of one color is always on and the corresponding color is always on.

Please also refer to FIG. 4 , which is a structural block diagram of some components of the terminal device 100 . The terminal device 100 includes the aforementioned fingerprint button 2 , a display screen 3 , and also includes a processor 4 and a power supply circuit 5 .

The power supply circuit 5 is connected to the light source 322 of the light emitting unit 32 for supplying power to the light source 322 . As shown in FIG. 4 , the power supply circuit 5 includes a power supply 51 and a power switch 52 , and the power switch 52 is connected between the power supply 51 and the light source 322 . The processor 4 is connected between the fingerprint chip 311 and the power switch 52, and is used to control the power switch 52 to be turned on when the fingerprint chip 311 detects a user's touch, so that the power supply 51 is the power source for the light emitting part 32. The light source 322 of the light-emitting part 32 emits light, which is guided to the slit 21 through the light guide plate 321, and emitted from the slit 21 as a reminder.

Wherein, the power source 51 is a battery.

Please also refer to FIG. 5 , which is a schematic diagram illustrating the connection between the power circuit 50 and the light source 322 in an embodiment. Wherein, the power switch 52 includes a multi-way selection switch 521, and the light source 322 includes N different colors such as the first color LED lamp L1, the second color LED lamp L2..., the Nth color LED lamp Ln, etc. LED lights. The multiplex switch 521 is connected between the power supply 51 and the first color LED lamp L1 , the second color LED lamp L2 . . . , and the Nth color LED lamp Ln. Specifically, the multi-way selection switch 521 is an N-way selection switch, and the N first terminals P1 are all connected to the power supply 51, and the N second terminals P2 are respectively connected to the first color LED lamp L1 and the second color LED lamp L1. The LED lamps L2 . . . and the Nth color LED lamp Ln are connected. Wherein, the N is a natural number greater than 1.

When the fingerprint chip 311 detects a user's touch, the processor 4 controls the multi-way selector switch 521 to alternately turn on the power supply 51 and the first color LED light L1, the second color LED light L2 . . . ., the connection between multiple LED lights of different colors such as the Nth color LED light Ln, and control the multiple LED lights of different colors to emit light alternately, and alternately display multiple colors of light. For example, the processor 4 controls the multiplex switch 521 to first conduct the connection between the power supply 51 and the first color LED lamp L1, so that the light source 322 emits light of the first color, and then controls the multiplex switch 521 to conduct The connection between the power supply 51 and the second color LED lamp L2 makes the light source 322 emit light of the second color, and the multi-way selector switch 521 is controlled to conduct the connection between the power supply 51 and the Nth color LED lamp Ln, so that the light source 322 emits light. Nth color light, and so on.

Wherein, the processor 4 can also control the multi-way selector switch 521 to alternately turn on or off the connection between the power supply and one of the LED lights of one color, and control the LED lights of the corresponding color to blink to display the light of the corresponding color. For example, the processor 4 controls the multi-way selector switch 521 to disconnect the power supply 51 and all LED lamps, and then controls the multi-way selector switch 521 to alternately conduct and disconnect the power supply 51 and the first color LED lamp L1. so that the light source 322 blinks and emits light of the first color.

Wherein, the processor 4 can also control the multi-way selection switch 521 to continuously connect the power supply 51 and the LED light of one color, so as to control the LED light of the corresponding color to always be on to display the light of the corresponding color. For example, the processor 4 controls the multiplex switch 521 to disconnect the power supply 51 from all LED lamps, and then controls the multiplex switch 521 to continuously connect the power supply 51 to the first color LED lamp L1, The light source 322 is made to continuously emit light of the first color.

Wherein, the first color LED light L1, the second color LED light L2, and the Nth color LED light Ln can be selected from white, red, green, yellow, blue and other colors.

Please also refer to FIG. 6 , which is a schematic diagram illustrating the connection between the power circuit 50 and the light source 322 in another embodiment. The power switch 52 also includes a multi-way selector switch 521, and the light source 322 includes a plurality of LED lamps Lt of the same color. The multiplex switch 521 is connected between the power supply 51 and the plurality of LED lights Lt of the same color. Specifically, the multi-way selection switch 521 is an N-way selection switch, and the N first terminals P1 are all connected to the power source 51 , and the N second terminals P2 are respectively connected to the plurality of LED lamps Lt of the same color. Wherein, the N is a natural number greater than 1.

When the fingerprint chip 311 detects a user touch, the processor 4 controls the multi-way selector switch 521 to select the number of LED lights Lt connected to the power supply 51 from more to less or from less to more, so that the light source The brightness of the 322 lights changes alternately from bright to dark or from dark to bright. For example, the processor 4 controls the multi-way selector switch 521 to select the connection between the power supply 51 and all LED lamps Lt, and then gradually disconnects some of the LED lamps Lt from the power supply 51, so that the number of illuminated LED lamps Lt Gradually decrease, and when it decreases to a certain number, gradually turn on the connection between the previously disconnected LED lights Lt and the power supply 51, so that the number of LED lights Lt that emit light gradually increases. Therefore, the brightness of light emitted by the light source 322 changes alternately from bright to dark or from dark to bright.

Please refer to FIG. 7 and FIG. 8 together. FIG. 7 is a schematic view of the terminal device 100 in the second embodiment from a first perspective. FIG. 8 is a cross-sectional view taken along line II-II in FIG. 7 . In the second embodiment, there is no gap between the receiving hole 20 and the fingerprint identification device 31 . The fingerprint cover 313 is provided with a light-shielding area 314 and a light-transmitting area 315 . The fingerprint chip 311 is located under the fingerprint cover 313 corresponding to the light-shielding area 314 . The circuit board 312 is used to carry the fingerprint chip 311 and is located below the fingerprint chip 311 corresponding to the light-shielding area 314 . That is, in this embodiment, the size of the fingerprint cover 313 is larger than the size of the fingerprint chip 311 and the circuit board 312, and the projections of the fingerprint chip 311 and the circuit board 312 on the fingerprint cover 313 are roughly located at Inside the light-shielding area 314 .

The light emitting part 32 is located below the circuit board 312 of the fingerprint identification device 31 and extends beyond the circuit board 312 of the fingerprint identification device 31 , the light emitting part 32 extends to the circuit board of the fingerprint identification device 31 The area other than 312 is located below the light-transmitting area 315 and covers the light-transmitting area 315 from the inside of the shell panel 1 .

As shown in FIG. 9 , the inner surface of the fingerprint cover 313 is covered with an ink material layer Y1 , and the light-transmitting region Y is formed by removing ink material in a predetermined area on the inner surface of the fingerprint cover 313 . The light-shielding area 314 is an area where the ink material layer Y1 remains on the inner surface of the fingerprint cover 313 .

Please also refer to FIG. 9, which is a schematic diagram of the inner surface of the fingerprint cover 313. In some embodiments, the light-shielding area 314 is located at the center of the fingerprint cover 313, and the light-transmitting area 315 and the predetermined area are close to the fingerprint cover. An annular area surrounding the light-shielding area 314 at the edge of the plate 313 . As shown in FIG. 8 , in some embodiments, the fingerprint cover 313 and the light-shielding area 314 are elliptical, and the light-transmitting area 315 is an elliptical annular area surrounding the light-shielding area 314 .

When the light source 322 emits light, the light emitted by the light source 322 is emitted to the outside of the fingerprint cover 313 through the light-transmitting area 315 to serve as a reminder.

Please refer to FIG. 10 and FIG. 11 together. FIG. 10 is a schematic view of the terminal device 100 in the third embodiment from a first perspective. FIG. 8 is a cross-sectional view taken along line II-II in FIG. 7 . In the third embodiment, the shell panel 1 is a fingerprint cover of the fingerprint identification device 1 .

The shell panel 1 is provided with a light-transmitting area 22, the inner surface of the shell panel 1 is covered with an ink material layer Y1, and the light-transmitting area 22 is to remove the ink material in the predetermined area on the inner surface of the shell panel 1 form. As mentioned above, since the shell panel 1 is made of transparent ITO material, when the ink material is removed from the light-transmitting region 22 , the transparent shell panel 1 is exposed.

Please also refer to FIG. 12 , which is a schematic view of the inner surface of the shell panel 1. In some embodiments, the fingerprint chip 311 is roughly elliptical, and the light-transmitting area 22 surrounds the fingerprint chip 311 and the inner surface of the shell panel. The ring-shaped area of the contact area J1, that is, the ring-shaped area surrounding the fingerprint chip 31 .

The light emitting part 32 is located below the circuit board 312 of the fingerprint identification device 31 and extends beyond the circuit board 312 of the fingerprint identification device 31 , the light emitting part 32 extends to the circuit board of the fingerprint identification device 31 The area other than 312 is located below the light-transmitting area 22 and covers the light-transmitting area 22 from the inner side of the shell panel 1 .

When the light source 322 emits light, the light emitted by the light source 322 is emitted to the outside of the shell panel 1 through the light-transmitting region 22 to serve as a reminder.

In some embodiments, the housing panel 1 can also be the rear housing panel of the terminal device 100, the receiving hole 20 is disposed on the rear housing panel, and the fingerprint button 2 is accommodated in the receiving hole 20 on the rear housing panel.

Wherein, the terminal device 1 may be a mobile phone, a tablet computer, a personal digital assistant PDA, a sales terminal POS, or a vehicle-mounted computer and the like.

Therefore, in the present invention, the processor 4 can control the light source 322 of the light emitting part 32 to emit light when events such as incoming calls or missed calls, unread text messages, schedule reminders, fingerprint touch events or key press events occur, to generate corresponding prompts.

The fingerprint button 2 and the terminal device 100 of the present invention can realize the function of the button and the prompt function at the same time, and there is no need to additionally install prompt devices such as prompt lights in other places of the housing, saving design space.

What is disclosed above is only a preferred embodiment of the present invention, and certainly cannot limit the scope of rights of the present invention with this. Those of ordinary skill in the art can understand the whole or part of the process of realizing the above-mentioned embodiment, and make according to the claims of the present invention The equivalent changes still belong to the scope covered by the invention.

Claims (20)

1. a fingerprint button, it is characterised in that described fingerprint button includes fingerprint identification device and illuminating part, described fingerprint is known Other device includes:

Fingerprint cover plate；

Fingerprint chip, is positioned at below described fingerprint cover plate, is used for detecting user and touches, and gathers fingerprint letter when user touches Breath, and carry out feature extraction and Characteristic Contrast according to finger print information, it is determined whether mate with the finger print information prestored；And

Circuit board, is used for carrying described fingerprint chip；

Wherein, described luminous site in the lower section of the circuit board of described fingerprint identification device and extends to described fingerprint identification device Circuit board outside, described illuminating part is luminous for detecting when user touches at described fingerprint chip.

2. fingerprint button as claimed in claim 1, it is characterised in that the form of described light from light source shows multiple for alternately The light of a kind of color of the light of color, flickering display, the normal light of a kind of color of bright display or the brightness of luminescence from bright to dark or from secretly To bright alternate.

3. fingerprint button as claimed in claim 2, it is characterised in that described illuminating part includes light guide plate and light source, described in lead Tabula rasa is arranged at below described circuit board and extends outside described circuit board, and described light source is arranged near described light guide plate, institute State light source and detect when user touches luminous at described fingerprint chip, and the photoconduction described light source sent by described light guide plate Go out the side to fingerprint chip.

4. fingerprint button as claimed in claim 2, it is characterised in that described illuminating part includes that light source, described light source are arranged at The lower section of described circuit board and outside extending described circuit board to the lower section of described transmission region, described light source is at described fingerprint Chip detects when user touches luminous, and the light-output sent by described light source by described light guide plate is to the one of fingerprint chip Side.

5. the fingerprint button as described in claim 3 or 4, it is characterised in that described light source includes the LED of multiple different colours Lamp, described fingerprint chip detect user touch time, the LED of the plurality of different colours alternately luminescence, and alternately showing The light of multiple color；Or, the LED of one of them color alternately shows or does not shows and the light of flickering display corresponding color； Or, the normal bright display of LED of one of them color and the light of normal bright corresponding color.

6. the fingerprint button as described in claim 3 or 4, it is characterised in that described light source includes the LED of multiple phase color, Described fingerprint chip detect user touch time, the amount of luminescence of the LED of the plurality of same color is from more to few change Or change from less to more, and make the brightness of light source luminescent from bright to dark or from dark to bright alternate.

7. fingerprint button as claimed in claim 3, it is characterised in that described light guide plate is clear glass, transparent resin or saturating Bright plastics are made.

8. a terminal unit, it is characterised in that include shell panel, fingerprint button, described shell panel is provided with accepting hole, institute Stating fingerprint button and include that fingerprint identification device and illuminating part, described fingerprint identification device are contained in accepting hole, described fingerprint is known Other device includes:

Fingerprint chip, is used for detecting user and touches, and gather finger print information when user touches, and carry out spy according to finger print information Levy extraction and Characteristic Contrast, it is determined whether mate with the finger print information prestored；And

Circuit board, is used for carrying described fingerprint chip；

Wherein, described luminous site in the lower section of the circuit board of described fingerprint identification device and extends to described fingerprint identification device Circuit board outside, described illuminating part is luminous for detecting when user touches at described fingerprint chip.

9. terminal unit as claimed in claim 8, it is characterised in that described terminal unit also includes processor and power supply electricity Road, described power circuit is connected with described illuminating part, and described power circuit includes power supply and on and off switch, and described on and off switch is even Being connected between power supply and illuminating part, described processor is connected between described fingerprint chip and on and off switch, at described finger Stricture of vagina chip detects user when touching, and controls on and off switch conducting, and described power supply is that described illuminating part is powered, light from light source with As prompting.

10. terminal unit as claimed in claim 9, it is characterised in that the form of described light from light source is many for alternately display Kind of the light of color, the light of a kind of color of flickering display, the normal light of a kind of color of bright display or the brightness of luminescence from bright to dark or from Dark to bright alternate.

11. terminal units as claimed in claim 10, it is characterised in that described illuminating part includes light guide plate and light source, described Light guide plate is arranged at below described circuit board and extends outside described circuit board, and described light source is arranged near described light guide plate, Described light source detects when user touches luminous at described fingerprint chip, and the light sent by described light source by described light guide plate Derive the side to fingerprint chip.

12. terminal units as claimed in claim 10, it is characterised in that described illuminating part includes light source, described light source is arranged In the lower section of described circuit board and outside extending described circuit board to the lower section of described transmission region, described light source is at described finger Stricture of vagina chip detects when user touches luminous, and the light-output sent by described light source by described light guide plate is to fingerprint chip Side.

13. terminal units as described in claim 11 or 12, it is characterised in that described light source includes multiple different colours LED, described on and off switch is multidiameter option switch, is connected between the LED of described power supply and the plurality of different colours, Described processor described fingerprint chip detect user touch time, control multidiameter option switch alternate conduction power supply with described many Connection between the LED of individual different colours, and control the LED alternately luminescence of the plurality of different colours, alternately display is many Plant the light of color；Or, described processor controls multidiameter option switch alternate conduction or deenergization and one of them color Connection between LED, and control the light of the LED flickering display corresponding color of corresponding color；Or, described processor controls Multidiameter option switch constant conduction power supply and the LED of one of them color, thus control LED Chang Liang of described corresponding color The light of display corresponding color.

14. terminal units as described in claim 11 or 12, it is characterised in that described light source also includes multiple phase color LED, described on and off switch is multidiameter option switch, is connected between the LED of described power supply and the plurality of same color, Described processor described fingerprint chip detect user touch time, control multidiameter option switch gating be connected with power supply described The quantity of LED from changing less or from less to more, and make the brightness of light source luminescent from bright to dark or from secretly to bright alternately Change.

15. terminal units as claimed in claim 11, it is characterised in that described light guide plate be clear glass, transparent resin or Transparent plastic is made.

16. terminal units as described in claim 8-15, it is characterised in that described fingerprint identification device and the sidewall of accepting hole Between there is gap, the light that described illuminating part sends by described gap launch to shell panels outside to point out.

17. terminal units as described in claim 8-15, it is characterised in that described fingerprint identification device also has fingerprint lid Plate, described fingerprint cover plate is provided with lightproof area and transmission region, and described fingerprint chip and circuit board are positioned at described fingerprint cover plate The position of the corresponding lightproof area in lower section, the region that described illuminating part extends to outside the circuit board of described fingerprint identification device is positioned at The lower section of described transmission region and cover described transmission region from the inner side of described shell panel.

18. terminal units as claimed in claim 17, it is characterised in that be coated with ink on the inner surface of described fingerprint cover plate Material layer, described transmission region is to remove the ink material of predeterminable area on the inner surface of fingerprint cover plate to be formed, described shading region Territory is the region remaining with ink material layer on the inner surface of fingerprint cover plate, and described transmission region is annular region, described luminescence The light that portion sends is launched to fingerprint cover plate by described transmission region to point out.

19. terminal units as described in claim 8-15, it is characterised in that described shell panel is as described fingerprint identification device Cover plate, described shell panel includes transmission region, described light portion extends to outside the circuit board of described fingerprint identification device Region be positioned at described transmission region lower section and from the inner side of described shell panel cover described transmission region.

20. terminal units as claimed in claim 19, it is characterised in that be coated with ink material on the inner surface of described shell panel The bed of material, described transmission region be remove that the ink material of predeterminable area on shell panel inner surface formed around described fingerprint chip Annular region, the light that described illuminating part sends by described transmission region launch to shell panels outside to point out.