CN209072543U - Fingerprint identification device and terminal device with fingerprint identification function - Google Patents

Abstract

The invention relates to fingerprint identification device and with the terminal device of fingerprint identification function.The terminal device includes: glass cover-plate (110), provides touch interface when for carrying out fingerprint recognition for finger；Liquid crystal display panel (120) is located at below the glass cover-plate (110), for showing image；Backlight module (130) is located at below the liquid crystal display panel (120), for showing that image provides light source for the liquid crystal display panel (120)；Luminescence component (140), positioned at the glass cover-plate (110) lower section and do not blocked mutually with the liquid crystal display panel (120), for shining and irradiating the finger to generate return light, which carries out the fingerprint recognition to the finger for the terminal device.The fingerprint identification device of the embodiment of the present application and terminal device with fingerprint identification function can be realized fingerprint recognition under LCD screen.

Description

Fingerprint identification device and terminal device with fingerprint identification function

Technical field

This application involves field of biological recognition more particularly to fingerprint identification device and the terminal with fingerprint identification function is set It is standby.

Background technique

In recent years, smart phone enters the screen epoch comprehensively, and the screen accounting of mobile phone is increasing, and it is suitable to shield lower fingerprint identification technology Gesture becomes trend, and fingerprint technique takes the lead in entering commercialization under optical panel, and domestic mainstream cell phone manufacturer has issued fingerprint under optical panel Type, during the new machine of fingerprint technique is also researched and developed in close gong and drum under the screen of international top-brand manufacturer.

Fingerprint technique is all applied substantially in Organic Light Emitting Diode (Organic Light- under current optical panel Emitting Diode, OLED) and active matrix organic light-emitting diode (Active-matrix organic light- Emitting diode, AMOLED) etc. on self luminous mobile phone screen, the self luminous screen pixels that include using this kind of screen As light source, light is irradiated on finger to be reflected by finger, through mobile phone screen and special optical camera lens, by the sensing under screen Device receives, and realizes fingerprint image acquisition and fingerprint recognition.However, liquid crystal display (Liquid Crystal Display, LCD) screen shines by backlight module, full frame can only light, and can not form effective fingerprint detection optical circuit, therefore nothing Method realizes fingerprint image acquisition and fingerprint recognition, also can not just be applied to fingerprint technique under optical panel.

Utility model content

This application provides a kind of fingerprint identification device and with the terminal device of fingerprint identification function, LCD can be realized Shield lower fingerprint recognition.

In a first aspect, providing a kind of terminal device with fingerprint identification function, which includes: glass cover-plate (110), touch interface is provided when for carrying out fingerprint recognition for finger；Liquid crystal display panel (120) is located at the glass cover-plate (110) lower section, for showing image；Backlight module (130) is located at below the liquid crystal display panel (120), for being the liquid crystal Panel (120) shows that image provides light source；Luminescence component (140), be located at the glass cover-plate (110) lower section and with the liquid Crystal panel (120) is not blocked mutually, and for shining and irradiating the finger to generate return light, the return light is used for the terminal Equipment carries out the fingerprint recognition to the finger.

With reference to first aspect, in a kind of implementation of first aspect, the luminescence component (140) is located at the liquid crystal The bottom margin of panel (120).

With reference to first aspect and its above-mentioned implementation, in another implementation of first aspect, luminescence component (140) angle between the surface of luminous flat and the glass cover-plate (110) is not 0 °.

With reference to first aspect and its above-mentioned implementation, in another implementation of first aspect, using optical cement Or optics sloping platform (142) fills the angle.

With reference to first aspect and its above-mentioned implementation, in another implementation of first aspect, the angle is big In 0 ° and it is less than or equal to 60 °.

With reference to first aspect and its above-mentioned implementation, in another implementation of first aspect, the angle Value range is 30 ° to 45 °.

With reference to first aspect and its above-mentioned implementation, in another implementation of first aspect, the liquid crystal surface Plate (120) includes: fingerprint induction region (121), and the fingerprint induction region (121) is used for: the finger is touched to carry out institute Fingerprint recognition is stated, the light that the luminescence component (140) issues irradiates the return light that the finger generates and penetrates the fingerprint Induction region (121).

With reference to first aspect and its above-mentioned implementation, in another implementation of first aspect, described luminous group Part (140) includes at least one infrared lamp (141).

With reference to first aspect and its above-mentioned implementation, in another implementation of first aspect, described at least one The range of the emission wavelength of each infrared lamp is 760nm to 1000nm in a infrared lamp.

With reference to first aspect and its above-mentioned implementation, in another implementation of first aspect, each infrared lamp Emission wavelength be 850nm or 940nm.

With reference to first aspect and its above-mentioned implementation, in another implementation of first aspect, described luminous group Part (140) includes two infrared lamps, and described two infrared lamps are equidistant to the center of the fingerprint induction region (121).

With reference to first aspect and its above-mentioned implementation, in another implementation of first aspect, the terminal is set It is standby further include: the first driving unit, first driving unit are used for: to control the luminescence component (140) and shine.

With reference to first aspect and its above-mentioned implementation, in another implementation of first aspect, described first is driven Moving cell is used for: by the way of DC driven or pulsed drive, being controlled the luminescence component (140) and is shone.

With reference to first aspect and its above-mentioned implementation, in another implementation of first aspect, the terminal is set It is standby further include: breath light component (150), the breath light component (150) are located at below the glass cover-plate (110) and are located at institute Liquid crystal display panel (120) bottom margin is stated, is not blocked mutually with the liquid crystal display panel (120).

With reference to first aspect and its above-mentioned implementation, in another implementation of first aspect, the breath light Component (150) includes: at least one visible lamp (151) and guide-lighting band (152), and the guide-lighting band (152) is affixed on the glass Below cover board (110), for conducting the light of at least one visible lamp (151).

With reference to first aspect and its above-mentioned implementation, in another implementation of first aspect, described at least one A visible lamp (151) is two visible lamps, and described two visible lamps are located at the both ends of the guide-lighting band (152).

With reference to first aspect and its above-mentioned implementation, in another implementation of first aspect, the terminal is set It is standby further include: the second driving unit, second driving unit are used for: to control the breath light component (150) in goal condition Under, it recycles and flashes according to the duty cycle.

With reference to first aspect and its above-mentioned implementation, in another implementation of first aspect, described second is driven Moving cell is used for: by the way of pulse width modulation (PWM) driving, the breath light component (150) is controlled under goal condition, It recycles and flashes according to the duty cycle.

With reference to first aspect and its above-mentioned implementation, in another implementation of first aspect, the work week Phase successively includes: gradually bright stage and gradually dark stage according to chronological order.

Wherein, in the gradually bright stage, the brightness of the breath light component (150) enhances at any time；In the gradually dark rank Section, the brightness of the breath light component (150) weaken at any time.

With reference to first aspect and its above-mentioned implementation, in another implementation of first aspect, the work week Phase successively includes: gradually bright stage, the stage of being always on, gradually dark stage and normal dark stage according to chronological order.

Wherein, in the gradually bright stage, the brightness of the breath light component (150) enhances at any time；Rank is always on described Section, the brightness of the breath light component (150) is constant at any time and brightness is larger；In the gradually dark stage, the breathing lamp group The brightness of part (150) weakens at any time；It is described often the dark stage, the brightness of the breath light component (150) it is constant at any time and Brightness is smaller, and the brightness of the breath light component (150) is always on the stage greater than in the often dark stage described.

With reference to first aspect and its above-mentioned implementation, in another implementation of first aspect, the gradually bright rank Section is equal with the duration in the gradually dark stage；It is described to be always on the stage and the duration in the often dark stage is equal.

With reference to first aspect and its above-mentioned implementation, in another implementation of first aspect, the gradually bright rank The multiple gears of duty score of section are linearly increasing, the multiple gear linear reductions of duty score in the gradually dark stage.

With reference to first aspect and its above-mentioned implementation, in another implementation of first aspect, the gradually bright rank 16 gears of duty score of section are linearly increasing, 16 gear linear reductions of duty score in the gradually dark stage.

With reference to first aspect and its above-mentioned implementation, in another implementation of first aspect, the terminal is set It is standby further include: fingerprint recognition mould group (160) carries out the finger for receiving the return light, and according to the return light The fingerprint recognition.

With reference to first aspect and its above-mentioned implementation, in another implementation of first aspect, the fingerprint is known Other mould group (160) is located at the lower section of the backlight module (130).

Therefore, the terminal device with fingerprint identification function of the embodiment of the present application, by glass cover-plate following settings Luminescence component, such as setting infrared lamp provide light source for fingerprint recognition under LCD screen, and illuminating fingerprint asks under solution LCD screen Topic, so that LCD display can be illuminated with regional area, without lighting LCD backlight mould group, can be realized regional area and shows；Separately Outside, which can also include the breathing modulated structure with guide-lighting band, which can reinforce breath light effect, realize Line/face breath light effect.

In a first aspect, providing a kind of fingerprint identification device, it is applied to the liquid crystal with glass cover-plate and liquid crystal display panel Show screen, the fingerprint identification device includes: luminescence component, for be arranged in the glass cover-plate lower section and with institute It states liquid crystal display panel not block mutually, and for irradiating the finger to generate return light；Fingerprint recognition mould group, for receiving described return Light echo, and the fingerprint recognition is carried out to the finger according to the return light.

In conjunction with second aspect, in a kind of implementation of second aspect, the luminescence component is specifically used for being arranged in institute The bottom margin of liquid crystal display panel is stated, and there is predetermined angle between the surface of the liquid crystal display panel.

In conjunction with second aspect and its above-mentioned implementation, in another implementation of second aspect, described luminous group The value range of predetermined angle between the luminous flat of part and the surface of the glass cover-plate is 0 ° to 60 °.

In conjunction with second aspect and its above-mentioned implementation, in another implementation of second aspect, the pre- clamp The value range at angle is 30 ° to 45 °.

In conjunction with second aspect and its above-mentioned implementation, in another implementation of second aspect, the pre- clamp Gap corresponding to angle is filled using optical cement or optics sloping platform.

In conjunction with second aspect and its above-mentioned implementation, in another implementation of second aspect, the fingerprint is known The fingerprint induction region of other device is located at the display area of the liquid crystal display panel, and the fingerprint induction region is for providing interface confession Finger is touched to carry out fingerprint recognition, wherein the luminescence component, which is used to emit beam, irradiates the finger so that the institute generated Return light is stated through the fingerprint induction region.

In conjunction with second aspect and its above-mentioned implementation, in another implementation of second aspect, described luminous group Part includes at least one infrared lamp.

In conjunction with second aspect and its above-mentioned implementation, in another implementation of second aspect, described at least one The range of the emission wavelength of each infrared lamp is 760nm to 1000nm in a infrared lamp.

In conjunction with second aspect and its above-mentioned implementation, in another implementation of second aspect, each infrared lamp Emission wavelength be 850nm or 940nm.

In conjunction with second aspect and its above-mentioned implementation, in another implementation of second aspect, described luminous group Part includes two groups of infrared lamps, two groups of infrared lamps being equidistant to the center of the fingerprint induction region.

It further include first in another implementation of second aspect in conjunction with second aspect and its above-mentioned implementation Driving unit is shone for being controlled the luminescence component by the way of direct current or pulsed drive.

It further include breathing in another implementation of second aspect in conjunction with second aspect and its above-mentioned implementation Lamp group part does not block mutually for the bottom margin below the glass cover-plate to be arranged in, and with the liquid crystal display panel.

In conjunction with second aspect and its above-mentioned implementation, in another implementation of second aspect, the breath light Component includes at least one visible lamp and guide-lighting band, and the guide-lighting band is for being affixed below the glass cover-plate, to conduct State the light of at least one visible lamp.

In conjunction with second aspect and its above-mentioned implementation, in another implementation of second aspect, described at least one A visible lamp is two visible lamps, and described two visible lamps are located at the both ends of the guide-lighting band.

It further include second in another implementation of second aspect in conjunction with second aspect and its above-mentioned implementation Driving unit is recycled according to the duty cycle and is flashed for controlling the breath light component under goal condition.

In conjunction with second aspect and its above-mentioned implementation, in another implementation of second aspect, described second is driven Moving cell is used for by the way of pulse width modulation driving, the breath light component is controlled under goal condition, according to work Loop cycle flashing.

In conjunction with second aspect and its above-mentioned implementation, in another implementation of second aspect, the work week Phase successively includes gradually bright stage and gradually dark stage according to chronological order.

In conjunction with second aspect and its above-mentioned implementation, in another implementation of second aspect, the work week Phase successively includes: gradually bright stage, the stage of being always on, gradually dark stage and normal dark stage according to chronological order.

In conjunction with second aspect and its above-mentioned implementation, in another implementation of second aspect, the gradually bright rank Section is equal with the duration in the gradually dark stage；It is described to be always on the stage and the duration in the often dark stage is equal.

In conjunction with second aspect and its above-mentioned implementation, in another implementation of second aspect, the gradually bright rank The multiple gears of duty score of section are linearly increasing, the multiple gear linear reductions of duty score in the gradually dark stage.

In conjunction with second aspect and its above-mentioned implementation, in another implementation of second aspect, the gradually bright rank 16 gears of duty score of section are linearly increasing, 16 gear linear reductions of duty score in the gradually dark stage.

Detailed description of the invention

Fig. 1 is the side view with the mobile phone of the spontaneous screen such as OLED/AMOLED.

Fig. 2 is the side view according to the mobile phone with LCD screen of the embodiment of the present application.

Fig. 3 A and Fig. 3 B are the schematic diagrames according to the terminal device with fingerprint identification function of the embodiment of the present application.

Fig. 4 is another schematic diagram according to the terminal device with fingerprint identification function of the embodiment of the present application.

Fig. 5 is the schematic diagram of the luminescence component and glass cover-plate position according to the embodiment of the present application.

Fig. 6 A and Fig. 6 B are another schematic diagrames according to the terminal device with fingerprint identification function of the embodiment of the present application.

Fig. 7 is another schematic block diagram according to the terminal device with fingerprint identification function of the embodiment of the present application.

Fig. 8 is the schematic diagram according to the breath light component operation period of the embodiment of the present application.

Specific embodiment

Below in conjunction with attached drawing, technical solutions in the embodiments of the present application is described.

Fingerprint technique is all applied substantially on the self luminous mobile phone screen such as OLED/AMOLED under current screen.Specifically, Fig. 1 shows the side view of the mobile phone with the spontaneous screen such as OLED/AMOLED, wherein left side is the top of the mobile phone in Fig. 1 End, right side is bottom end.As shown in Figure 1, OLED screen includes display unit, which is being capable of self luminous luminous picture Element, the light emitting pixel can be used as light source, the glass cover-plate of finger touch-surface, and the light that light emitting pixel issues is irradiated to the hand It on finger, is reflected by finger, through mobile phone screen and special optical camera lens, by optical filter (filter) by the sensor under screen It receives, such as the sensor can be complementary metal oxide semiconductor (Complementary Metal-Oxide- Semiconductor, CMOS) sensor, to realize fingerprint image acquisition and fingerprint recognition.

Different from the self luminous mobile phone screen such as above-mentioned OLED/AMOLED, LCD screen is unable to self-luminous.Specifically, Fig. 2 Show the side view of the mobile phone with LCD screen, wherein left side is the top of the mobile phone in Fig. 2, and right side is bottom end.Such as Fig. 2 Shown, LCD screen includes liquid crystal display panel and backlight module, wherein can also include such as luminous two on the right side of Fig. 1 in backlight module Pole pipe (Light Emitting Diode, LED) light bar, LED light strip are only capable of providing light source to backlight module, and the light is in backlight mould It is reflected in group, but the backlight module layer can not be penetrated, the light of the reflection can illuminate the layer that liquid crystal display panel is contacted with backlight module Face, so that the liquid crystal display panel shows image, to be presented to the user.

But since the light of backlight module internal reflection can not penetrate backlight module layer, and the light cannot be local luminous, only It full frame can light, therefore, when finger touch LCD panel surface, effective fingerprint detection optical circuit can not be formed, also with regard to nothing The fingerprint image of method acquisition finger simultaneously carries out fingerprint recognition.

The embodiment of the present application proposes a kind of terminal device with fingerprint identification function, which uses LCD screen The acquisition and identification of fingerprint image may be implemented by increasing additional light source in curtain.

Fig. 3 A and Fig. 3 B show showing according to the terminal device 100 with fingerprint identification function of the embodiment of the present application Meaning property block diagram, wherein Fig. 3 A is the front view of the terminal device 100, and Fig. 3 B is the side view of the terminal device 100, wherein figure The top of terminal device 100 shown in corresponding diagram 3A on the left of 3B, the bottom of terminal device 100 shown in corresponding diagram 3A on the right side of Fig. 3 B End.As shown in Figure 3A and Figure 3B, which includes: glass cover-plate 110, liquid crystal display panel 120, backlight module 130 and hair Optical assembly 140.

Specifically, as shown in Figure 3A and Figure 3B, glass cover-plate 110 can be located at the top layer of the terminal device 100, make For the operation interface of the terminal device 100, while can be used for providing touch interface when carrying out fingerprint recognition for finger.Its In, which is a kind of transparent cover plate, the transparent cover plate can also for other materials, such as transparent sapphire etc., For ease of description, it is described by taking glass cover-plate as an example here.

Liquid crystal display panel 120 is located at 110 lower section of glass cover-plate, for showing image；The backlight module 130 is located at the liquid 120 lower section of crystal panel, for showing that image provides light source for the liquid crystal display panel 120, in order to which liquid crystal display panel 120 is through surface Glass cover-plate 110 shows image to user.

Luminescence component 140 is located at the lower section of the glass panel and does not block mutually with the liquid crystal display panel 120, for example, in Fig. 3 A In Fig. 3 B, which is located at the bottom margin of the liquid crystal display panel 120, alternatively, the luminescence component 140 can also position The other positions around liquid crystal display panel.The luminescence component 140 is for shining and irradiating the hand touched on 110 surface of glass cover-plate Refer to, to generate return light, which carries out the fingerprint recognition to the finger for the terminal device.

Optionally, which can also include: fingerprint recognition mould group 160, for receiving the return light, and root The fingerprint recognition is carried out to the finger according to the return light, specifically, the fingerprint recognition mould group 160 is according to the photogenerated fingerprint of return Image, according to fingerprint image opponent's fingering row fingerprint recognition.Wherein, the fingerprint recognition mould group 160 can be located at such as Fig. 3 A and The lower section of the backlight module 130 shown in Fig. 3 B, alternatively, may be located on other positions.

It should be understood that it is located at the lower section of backlight module 130 for fingerprint recognition mould group 160, it can be to 130 aperture of backlight module Processing or the backlight module 130 use special material so that by finger reflect return light, through backlight module 130 by Fingerprint recognition mould group 160 receives.

Optionally, as shown in Figure 3A, which can also include: fingerprint induction region 121, fingerprint induction Region 121 is used for: the finger is touched to carry out the fingerprint recognition, for example, the fingerprint induction region 121 is shown in Fig. 3 A and Fig. 3 B For the region of finger print shape, alternatively, the fingerprint induction region 121 can also be the region of other shapes and size, the end End equipment 100 shows the fingerprint induction region 121 to user, so that user touches the finger for needing to carry out fingerprint recognition at this 121 range of fingerprint induction region, and the light that the luminescence component 140 issues can be somebody's turn to do through the fingerprint induction region 121 irradiation Finger, at the same illumination shooter refer to after the return light that generates can be transmitted downwards through the fingerprint induction region 121, such as to The fingerprint recognition mould group of lower section is transmitted.

It should be understood that for ease of description, here luminescence component 140 to be arranged in liquid crystal display panel shown in Fig. 3 A and Fig. 3 B It is illustrated at bottom margin.

Optionally, show that image, the luminescence component 140 can be in order to not influence the liquid crystal display panel 120 of the terminal device 100 Using black light.For example, as shown in Figure 3A and Figure 3B, which may include at least one infrared lamp 141, can Choosing, each infrared lamp 141 can be LED, which can be in series or in parallel, for example, Fig. 3 A and figure In 3B, which includes two groups of infrared lamps, is located at 100 two sides of the bottom of terminal device, every group of infrared lamp may be used also To include in one or more infrared lamp, such as Fig. 3 A and Fig. 3 B, every group of infrared lamp includes two infrared lamps.Due to infrared lamp For black light, so the liquid crystal display panel 120 that the infrared lamp does not influence the terminal device 100 shows image.

Optionally, at least one infrared lamp 141 wavelength of each infrared lamp can be set to it is same or different, it is right In wherein any one infrared lamp, the wave-length coverage of the infrared lamp can be 760nm to 1000nm, for example, 850nm can be taken Or 940nm, but the embodiment of the present application is not limited to this.

Optionally, the position at least one infrared lamp 141 for including in the luminescence component 140 can according to practical application into Row setting.For example, the luminescence component 140 may include an infrared lamp, which be can be set in fingerprint induction region 121 Center underface.For another example the luminescence component 140 may include two infrared lamps, it can be by two infrared lamp settings The right and left in 100 bottom end of terminal device, such as the centre distance of two infrared lamps to the fingerprint induction regions 121 is set Be set to it is equal, alternatively, as shown in figure 4, by two infrared lamps such as Fig. 4 be arranged, i.e., two infrared lamps are disposed side by side on fingerprint The underface at the center of induction region 121, wherein the distance between center of two infrared lamps and fingerprint induction region 121 L1 Any number can be set as according to practical application.

For another example it includes four that two groups of infrared lamps, which have altogether, here by taking two groups of infrared lamps as shown in Figure 3A and Figure 3B as an example A infrared lamp, four infrared lamps are respectively positioned on the bottom margin position of terminal device 100, and sustained height, four infrared lamps Vertical range with 121 center of fingerprint induction region is L1, every group of infrared lamp and fingerprint induction region in two groups of infrared lamps The horizontal distance of 121 centers is respectively L2 and L3, and the value of L1, L2 and the L3 can be configured according to practical application, For example, 2*L2=2*L3=L1 can be set, the embodiment of the present application is not limited to this.

Consider when carrying out fingerprint recognition, when finger touch-surface glass cover-plate 110 with the position of luminescence component 140, this Angle between the luminous flat of luminescence component 140 and the surface of the glass cover-plate 110 is usually arranged as being greater than 0 °, but can also be with It is equal to 0, i.e. the luminous flat of the luminescence component 140 and the surface of the glass cover-plate 110 is parallel to each other, in this way convenient for peace Fill luminescence component 140.Specifically, as shown in figure 5, between the surface of glass cover-plate 110 and the luminous flat of the luminescence component 140 Angle be θ, wherein the luminous flat of the luminescence component 140 can be infrared lamp 141 surface.To guarantee infrared lamp wiring It can be irradiated to finger, which can take any angle less than or equal to 60 °, wherein the value range of the angle theta When being 30 ° to 45 °, effect is preferable.

Optionally, due to that cannot have the air gap between 141 luminous flat of infrared lamp and glass cover-plate 110, it can be with Optical cement is filled in angle between, or as shown in Figure 3A and Figure 3B, increases optics sloping platform 142 in the angle, this Embodiment is not limited to this for application.

Optionally, which can also include shelter 143, such as shown in Fig. 3 A and Fig. 3 B, the shelter 143 can be set to black shelter 143.The shelter 143 can be used for blocking the light of the infrared lamp 141, so that this is red The light of outer lamp 141 is preferably irradiated to the finger for touching plane.

Optionally, which can also include other component, for example, the luminescence component 140 can also include Flexible circuit board (Flexible Printed Circuit, FPC) 144, the FPC 144 can be used for being red in luminescence component Outer lamp 141 provides power supply.

In the embodiment of the present application, Fig. 6 A and Fig. 6 B is shown according to the embodiment of the present application with fingerprint identification function Another schematic diagram of terminal device 100, wherein Fig. 6 A is the front view of the terminal device 100, and Fig. 6 B is the terminal device 100 Side view, wherein as shown in Figure 6A, the horizontal direction of the terminal device 100 is properly termed as X-direction, the terminal device 100 Vertical direction is properly termed as the direction Y, and Fig. 6 B is the side view of X-direction, i.e. terminal device shown in corresponding diagram 6A on the left of Fig. 6 B 100 left side, the right side of terminal device 100 shown in corresponding diagram 6A on the right side of Fig. 6 B.As shown in Figure 6 A and 6 B, the terminal device 100 can also include: breath light component 150, which is located at 110 lower section of glass cover-plate and is located at the liquid crystal 120 bottom margin of panel does not block mutually with the liquid crystal display panel 120, for example, lower edge graduated colors band is in Fig. 6 A and Fig. 6 B For breath light component 150.The breath light component 150 can be under goal condition, according to duty cycle flashing.

Breath light component 150 shown in Fig. 6 B is the band-like of rectangle, and optionally, which can also be it His shape.But the size for considering to save the non-display area of terminal device 100, for example, will be exhaled to expand the screen accounting of mobile phone When suction lamp group part 150 is set as rectangular strip shape as shown in Figure 6A, space is more saved.

Specifically, by taking Fig. 6 A and Fig. 6 B as an example, as shown in Figure 6B, which may include: that at least one can Light-exposed lamp 151 and guide-lighting band 152, the leaded light band 152 are affixed on 110 lower section of glass cover-plate, and for conducting this, at least one is visible The light of light lamp 151, the bright visual effect secretly changed of light to realize whole light bar.For example, it is contemplated that arriving breath light component 150 Realize the effect of left and right ends gradual change, which can be two visible lamps, two visible lamps Positioned at the both ends of the leaded light band 152.Optionally, the light-emitting area of each visible lamp can be set with the surface of glass cover-plate 110 It is equipped with the angle not for 0.

Optionally, the effect of similar above-mentioned breath light component 150, in order to more highlight the fingerprint induction region 121, it can also be also provided with breath light component in the fingerprint induction region 121, the breath light component and above-mentioned breath light component 150 It can be arranged independently of each other.Specifically, the shape of the breath light component at the fingerprint induction region 121 can be set to such as figure Fingerprint image shown in 3A and Fig. 3 B, alternatively, as shown in Figure 6 A and 6 B, which is provided in round, alternatively, It can be set to other shapes.

In the embodiment of the present application, which can also include control module and drive module, be shone with controlling The working condition of component 140 and/or breath light component.Specifically, Fig. 7 shows the terminal device according to the embodiment of the present application 100 another schematic block diagram, the terminal device 100 are the terminal device as shown in Fig. 3 A, Fig. 3 B, Fig. 6 A and Fig. 6 B 100.As shown in fig. 7, the terminal device 100 can also include drive module 180, which can be used for controlling should Luminescence component 140 in terminal device 100, for example, may include the first driving unit 181 in the drive module 180, this One driving unit 181 is used for: being controlled the luminescence component 140 and is shone, for example, first driving unit 181 can be supplied using direct current The mode of electricity or pulsed drive controls the luminescence component 140 and shines.

Optionally, the first driving unit 181 can control the luminescence component 140 and be constantly in luminance；Alternatively, needing When carrying out fingerprint recognition, the control of the first driving unit 181 controls the luminescence component 140 and shines, when without fingerprint recognition It does not shine, i.e. the first driving unit 181 can control luminescence component 140 and switch between luminous and not luminous, but the application is real Example is applied to be not limited to this.

Optionally, which can be also used for controlling the breath light component in the terminal device 100, such as should Drive module 180 may include the second driving unit 182, which is used for: controlling the breath light component 150 Under goal condition, recycles and flash according to the duty cycle；Alternatively, the drive module can also include third driving unit, this Three driving units can be used for controlling the breath light component at the fingerprint induction region 121 of the terminal device.Here it is driven with second Moving cell 182 is illustrated for controlling breath light component 150, and at third driving unit control fingerprint induction region 121 The process of breath light component is similar with its, and details are not described herein.

It should be understood that second driving unit 182 can control the breathing by the way of direct current supply and/or pulsed drive Lamp group part 150 is recycled according to the duty cycle and is flashed under goal condition, such as can modulate (Pulse using pulse width Width Modulation, PWM) output mode, control the breath light component 150 flashing.

Specifically, breath light component 150 can recycle flashing according to the preset duty cycle.As shown in Fig. 8, the breathing The duty cycle of lamp group part 150 can be divided into four-stage, respectively gradually bright stage S1, be always on stage S2, gradually dark stage S3 and Often dark stage S4, wherein gradually bright stage S1 indicates that breath light component 150 gradually brightens increase with time；It is always on stage S2 expression Increase with time, 150 brightness of breath light component is constant, is constantly in bright state, such as the brightness can be equal to the gradually bright stage The maximum value of S1；Gradually dark stage S3 indicates that breath light component 150 is gradually dimmed increase with time；Often dark stage S4 indicates at any time Between increase, 150 brightness of breath light component is constant, is constantly in dark state, such as the brightness can be equal to gradually dark stage S4's Minimum value.

The duration of the four-stage can be configured respectively according to practical application, wherein can be by four ranks The duration in some or multiple stages is equal to 0 in section, the duration in plurality of stage can also be set Be set to it is equal, such as it is contemplated that breath light component 150 flash effect, the duration in reasonable disposition each stage, alternatively, Or each stage configures multiple duration, it, should with setting in order to which user can select according to personal preference Breath light component 150 is in different phase duration.

For example, for guarantee the breath light component 150 flashing effect, be usually arranged as this gradually bright stage S1 and this gradually The duration in dark stage S3 is not zero, and this, which is always on stage S2 and the duration in normal dark stage S3, to be 0.Again For example, it is also possible to which this is always on stage S2, often secretly the duration in stage S3 is also not configured to zero with this；Alternatively, can also incite somebody to action This gradually the duration of bright stage S1 and the gradually dark stage S3 be set as equal, meanwhile, this is also always on stage S2 and this is often dark Stage S4's is persistently set as that the time is equal, and the embodiment of the present application is not limited to this.

It should be understood that as shown in figure 8, according to the duration of the gradually bright stage S1 and the gradually dark stage S3 of setting, second Driving unit 182 can control breath light component 150 by the way of PWM driving, wherein the duty score of the gradually bright stage S1 Multiple gears are linearly increasing, likewise, the multiple gear linear reductions of duty score in gradually dark stage.For example, gradually bright stage The duty ratio of S1 can divide 16 gears linearly increasing, and 16 gear linear reductions of duty score of the gradually dark stage S3；Or Person, can also by this, gradually the gear number of bright stage S1 and the gradually dark stage S3 are set as different, the embodiment of the present application is simultaneously unlimited In this.

It should be understood that can be worked independently from each other between each driving unit in above-mentioned drive module 180, it is independent of each other.

Optionally, which can also include control module 170, controlled and driven by the control module 170 The working condition and control drive module 180 of module 180 are worked using different driving methods, and then are realized to luminescence component 140 and breath light component 150 working condition control, flexibly realize LCD screen under the illumination of fingerprint and the control of breath light.

Specifically, which can control the work shape of the first driving unit 181 by the control module 170 State makes for example, control module 170 controls first driving unit 181 and enters working condition when needing to carry out fingerprint recognition First driving unit 181 control luminescence component 140 is obtained to shine；When not needing to carry out fingerprint recognition, control module 170 is controlled First driving unit 181 exits working condition, so that first driving unit 181 control luminescence component 140 does not shine.

Optionally, terminal device 100 can also control the work shape of the second driving unit 182 by the control module 170 State.For example, the control module 170 controls the second driving unit 182 enters working condition under goal condition, so that the second driving Unit 182 controls breath light component 150 and flashes, wherein the goal condition may include: that the terminal device 100 receives needs The message that user checks, such as the terminal device 100 receive the notification message of certain applications.

For example, the terminal device 100 can be mobile phone, the notice of short massage notice or other application is received in the mobile phone When, i.e., in the case where needing that user is prompted to check notification message, then the second driving unit can be controlled by control module 170 182 start to work, so that second driving unit 182 driving breath light component 150 flashes, such as according to breath light component 150 duty cycle recycles flashing, in order to which user is after seeing the flash for prompting of breath light, checks notification message.

Optionally, user can first carry out finger-print recognising instrument and unlock the mobile phone, then pass through control when checking notification message Module 170 controls the work of the first driving unit 181, which controls luminescence component 140 and shine, and is irradiated to touching The finger of plane is touched to generate return light, the fingerprint recognition mould group 160 in the mobile phone according to the return photogenerated fingerprint image, into And fingerprint recognition is executed, after identifying successfully, which can check notification information.

Therefore, the terminal device with fingerprint identification function of the embodiment of the present application, by glass cover-plate following settings Luminescence component, such as setting infrared lamp provide light source for fingerprint recognition under LCD screen, and illuminating fingerprint asks under solution LCD screen Topic, so that LCD display can be illuminated with regional area, without lighting LCD backlight mould group, can be realized regional area and shows；Separately Outside, which can also include the breathing modulated structure with guide-lighting band, which can reinforce breath light effect, realize Line/face breath light effect.The terminal device of the embodiment of the present application supports a variety of LED driving methods, supports automatic PWM duty cycle Linear regulation supports that fingerprint collecting is synchronous under infrared lamp on/off screen, supports LED multi-path independent control.

The embodiment of the present application also provides a kind of fingerprint identification device, which can be located at terminal device In, which includes the LCD Panel with glass cover-plate and liquid crystal display panel, which includes: luminous Component, for being arranged in the lower section of the glass cover-plate and not blocked mutually with the liquid crystal display panel, and for irradiate the finger with Generate return light；Fingerprint recognition mould group carries out the fingerprint knowledge to the finger for receiving the return light, and according to the return light Not.

It should be understood that the fingerprint recognition mould group in the fingerprint identification device can correspond to above-mentioned fingerprint recognition mould group 160, The luminescence component for including in the fingerprint identification device can correspond to above-mentioned luminescence component 140.In addition, the fingerprint recognition fills Setting can be located in terminal device, which can correspond to above-mentioned terminal device 100, and the glass in the terminal device Glass cover board and liquid crystal display panel correspond respectively to the glass cover-plate 110 and liquid crystal display panel 120 that above-mentioned terminal device 100 is opened.For letter Clean, details are not described herein.

Optionally, as one embodiment, which is specifically used for that the bottom margin of the liquid crystal display panel is arranged in, and And there is predetermined angle between the luminous flat of the luminescence component and the surface of the liquid crystal display panel.

Optionally, pre- between the luminous flat of the luminescence component and the surface of the glass cover-plate as one embodiment The value range at clamp angle is 0 ° to 60 °.

Optionally, as one embodiment, the value range of the predetermined angle is 30 ° to 45 °.

Optionally, as one embodiment, gap corresponding to the predetermined angle is carried out using optical cement or optics sloping platform Filling.

Optionally, as one embodiment, the fingerprint induction region of the fingerprint identification device is located at the aobvious of the liquid crystal display panel Show region, which touches for providing interface for finger to carry out fingerprint recognition, and wherein the luminescence component is used for It emits beam and irradiates the finger so that the return light generated is through the fingerprint induction region.

It should be understood that the fingerprint induction region can correspond to above-mentioned fingerprint induction region 121, details are not described herein.

Optionally, as one embodiment, which includes at least one infrared lamp.

Optionally, as one embodiment, the range of the emission wavelength of each infrared lamp is at least one infrared lamp 760nm to 1000nm.

Optionally, as one embodiment, the emission wavelength of each infrared lamp is 850nm or 940nm.

Optionally, as one embodiment, which includes two groups of infrared lamps, two groups of infrared lamps to the fingerprint sense Answer being equidistant for the center in region.

It optionally, further include the first driving unit, for by the way of direct current or pulsed drive as one embodiment The luminescence component is controlled to shine.

It optionally, further include breath light component, for the bottom below the glass cover-plate to be arranged in as one embodiment Edge, and do not blocked mutually with the liquid crystal display panel.

It should be understood that the breath light component in the fingerprint identification device can correspond to above-mentioned breath light component 150, This is repeated no more.

Optionally, as one embodiment, which includes at least one visible lamp and guide-lighting band, the leaded light Band is for being affixed below the glass cover-plate, to conduct the light of at least one visible lamp.

Optionally, as one embodiment, which is two visible lamps, two visible lamps Positioned at the both ends of the leaded light band.

It optionally, further include the second driving unit as one embodiment, for controlling the breath light component in target item Under part, recycles and flash according to the duty cycle.

Optionally, as one embodiment, which is used for by the way of pulse width modulation driving, control The breath light component is made under goal condition, recycles and flashes according to the duty cycle.

Optionally, as one embodiment, which successively includes gradually bright stage and gradually according to chronological order The dark stage.

Optionally, as one embodiment, which successively includes: gradually bright stage, often according to chronological order Bright stage, gradually dark stage and often dark stage.

Optionally, as one embodiment, this gradually the bright stage with this gradually the duration in dark stage it is equal；This is always on the stage Often secretly the duration in stage is equal with this.

Optionally, as one embodiment, the multiple gears of duty score in gradually bright stage are linearly increasing, gradually dark stage The multiple gear linear reductions of duty score.

Optionally, as one embodiment, 16 gears of duty score in gradually bright stage are linearly increasing, gradually dark stage 16 gear linear reductions of duty score.

Those of ordinary skill in the art may be aware that list described in conjunction with the examples disclosed in the embodiments of the present disclosure Member and algorithm steps can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually It is implemented in hardware or software, the specific application and design constraint depending on technical solution.Professional technician Each specific application can be used different methods to achieve the described function, but this realization is it is not considered that exceed Scope of the present application.

It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description, The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.

In several embodiments provided herein, it should be understood that disclosed systems, devices and methods, it can be with It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the unit It divides, only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units or components It can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, it is shown or The mutual coupling, direct-coupling or communication connection discussed can be through some interfaces, the indirect coupling of device or unit It closes or communicates to connect, can be electrical property, mechanical or other forms.

The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme 's.

It, can also be in addition, each functional unit in each embodiment of the application can integrate in one processing unit It is that each unit physically exists alone, can also be integrated in one unit with two or more units.

It, can be with if the function is realized in the form of SFU software functional unit and when sold or used as an independent product It is stored in a computer readable storage medium.Based on this understanding, the technical solution of the application is substantially in other words The part of the part that contributes to existing technology or the technical solution can be embodied in the form of software products, the meter Calculation machine software product is stored in a storage medium, including some instructions are used so that a computer equipment (can be a People's computer, server or network equipment etc.) execute each embodiment the method for the application all or part of the steps. And storage medium above-mentioned includes: that USB flash disk, mobile hard disk, read-only memory (read-only memory, ROM), arbitrary access are deposited The various media that can store program code such as reservoir (random access memory, RAM), magnetic or disk.

The above, the only specific embodiment of the application, but the protection scope of the application is not limited thereto, it is any Those familiar with the art within the technical scope of the present application, can easily think of the change or the replacement, and should all contain Lid is within the scope of protection of this application.Therefore, the protection scope of the application should be based on the protection scope of the described claims.

Claims (45)

1. a kind of terminal device with fingerprint identification function characterized by comprising

Glass cover-plate (110) provides touch interface when for carrying out fingerprint recognition for finger；

Liquid crystal display panel (120) is located at below the glass cover-plate (110), for showing image；

Backlight module (130) is located at below the liquid crystal display panel (120), for showing that image mentions for the liquid crystal display panel (120) For light source；

Luminescence component (140) is located at the lower section of the glass cover-plate (110) and does not block mutually with the liquid crystal display panel (120), uses In shining and irradiating the finger to generate return light, the return light is for the terminal device to described in finger progress Fingerprint recognition.

2. terminal device according to claim 1, which is characterized in that the luminescence component (140) is located at the liquid crystal surface The bottom margin of plate (120).

3. terminal device according to claim 1 or 2, which is characterized in that the luminous flat of the luminescence component (140) with The value range of angle between the surface of the glass cover-plate (110) is 0 ° to 60 °.

4. terminal device according to claim 3, which is characterized in that the value range of the angle is 30 ° to 45 °.

5. terminal device according to claim 3, which is characterized in that fill institute using optical cement or optics sloping platform (142) State angle.

6. terminal device according to claim 1 or 2, which is characterized in that the liquid crystal display panel (120) includes: fingerprint sense Region (121) are answered,

The fingerprint induction region (121) is used for: the finger is touched to carry out the fingerprint recognition, the luminescence component (140) return light that the light issued irradiates that the finger generates penetrates the fingerprint induction region (121).

7. terminal device according to claim 6, which is characterized in that the luminescence component (140) includes that at least one is red Outer lamp (141).

8. terminal device according to claim 7, which is characterized in that each infrared lamp at least one described infrared lamp The range of emission wavelength is 760nm to 1000nm.

9. terminal device according to claim 8, which is characterized in that the emission wavelength of each infrared lamp be 850nm or 940nm。

10. terminal device according to claim 7, which is characterized in that the luminescence component (140) includes two groups infrared Lamp, two groups of infrared lamps are equidistant to the center of the fingerprint induction region (121).

11. terminal device according to claim 1 or 2, which is characterized in that the terminal device further include: the first driving Unit,

First driving unit is used for: being controlled the luminescence component (140) and is shone.

12. terminal device according to claim 11, which is characterized in that first driving unit is used for:

By the way of direct current or pulsed drive, controls the luminescence component (140) and shine.

13. terminal device according to claim 1 or 2, which is characterized in that the terminal device further include: breathing lamp group Part (150),

The breath light component (150) is located at below the glass cover-plate (110) and is located at the liquid crystal display panel (120) bottom sides Edge does not block mutually with the liquid crystal display panel (120).

14. terminal device according to claim 13, which is characterized in that the breath light component (150) includes: at least one A visible lamp (151) and guide-lighting band (152),

The guide-lighting band (152) is affixed below the glass cover-plate (110), for conducting at least one described visible lamp (151) light.

15. terminal device according to claim 14, which is characterized in that at least one described visible lamp (151) is two A visible lamp, described two visible lamps are located at the both ends of the guide-lighting band (152).

16. terminal device according to claim 13, which is characterized in that the terminal device further include: the second driving is single Member,

Second driving unit is used for: being controlled the breath light component (150) under goal condition, is recycled according to the duty cycle Flashing.

17. terminal device according to claim 16, which is characterized in that second driving unit is used for:

By the way of pulse width modulation (PWM) driving, the breath light component (150) is controlled under goal condition, according to work Make loop cycle flashing.

18. terminal device according to claim 16, which is characterized in that the duty cycle according to chronological order according to Secondary includes: gradually bright stage and gradually dark stage.

19. terminal device according to claim 16, which is characterized in that the duty cycle according to chronological order according to It is secondary include: gradually the bright stage, the stage of being always on, gradually the dark stage and often the dark stage.

20. terminal device according to claim 19, which is characterized in that the gradually bright stage and the gradually dark stage hold The continuous time is equal；

It is described to be always on the stage and the duration in the often dark stage is equal.

21. terminal device according to claim 20, which is characterized in that the multiple gears of duty score in the gradually bright stage It is linearly increasing, the multiple gear linear reductions of duty score in the gradually dark stage.

22. terminal device according to claim 21, which is characterized in that 16 gears of duty score in the gradually bright stage It is linearly increasing, 16 gear linear reductions of duty score in the gradually dark stage.

23. terminal device according to claim 1 or 2, which is characterized in that the terminal device further include:

Fingerprint recognition mould group (160) carries out the finger to the finger for receiving the return light, and according to the return light Line identification.

24. terminal device according to claim 23, which is characterized in that the fingerprint recognition mould group (160) is located at described The lower section of backlight module (130).

25. a kind of fingerprint identification device, which is characterized in that applied to the liquid crystal display with glass cover-plate and liquid crystal display panel Curtain, the fingerprint identification device include:

Luminescence component for being arranged in the lower section of the glass cover-plate and not blocking mutually with the liquid crystal display panel, and is used for Finger is irradiated to generate return light；

Fingerprint recognition mould group carries out the fingerprint knowledge to the finger for receiving the return light, and according to the return light Not.

26. fingerprint identification device according to claim 25, which is characterized in that the luminescence component is specifically used for setting and exists The bottom margin of the liquid crystal display panel, and there is predetermined angle between the surface of the liquid crystal display panel.

27. the fingerprint identification device according to claim 25 or 26, which is characterized in that the luminous flat of the luminescence component The value range of predetermined angle between the surface of the glass cover-plate is 0 ° to 60 °.

28. fingerprint identification device according to claim 27, which is characterized in that the value range of the predetermined angle is 30 ° to 45 °.

29. fingerprint identification device according to claim 27, which is characterized in that adopt in gap corresponding to the predetermined angle It is filled with optical cement or optics sloping platform.

30. the fingerprint identification device according to claim 25 or 26, which is characterized in that the fingerprint of the fingerprint identification device Induction region is located at the display area of the liquid crystal display panel, the fingerprint induction region for provide interface for finger touch with into Row fingerprint recognition, wherein the luminescence component, which is used to emit beam, irradiates the finger so that the return light generated penetrates The fingerprint induction region.

31. fingerprint identification device according to claim 30, which is characterized in that the luminescence component includes that at least one is red Outer lamp.

32. fingerprint identification device according to claim 31, which is characterized in that each red at least one described infrared lamp The range of the emission wavelength of outer lamp is 760nm to 1000nm.

33. fingerprint identification device according to claim 32, which is characterized in that the emission wavelength of each infrared lamp is 850nm or 940nm.

34. fingerprint identification device according to claim 31, which is characterized in that the luminescence component includes two groups infrared Lamp, two groups of infrared lamps being equidistant to the center of the fingerprint induction region.

35. the fingerprint identification device according to claim 25 or 26, which is characterized in that further include the first driving unit, use It shines in controlling the luminescence component by the way of direct current or pulsed drive.

36. the fingerprint identification device according to claim 25 or 26, which is characterized in that further include breath light component, be used for Bottom margin below the glass cover-plate is set, and is not blocked mutually with the liquid crystal display panel.

37. fingerprint identification device according to claim 36, which is characterized in that the breath light component includes at least one Visible lamp and guide-lighting band, the guide-lighting band is for being affixed below the glass cover-plate, to conduct at least one described visible light The light of lamp.

38. the fingerprint identification device according to claim 37, which is characterized in that at least one described visible lamp is two Visible lamp, described two visible lamps are located at the both ends of the guide-lighting band.

39. fingerprint identification device according to claim 36, which is characterized in that further include the second driving unit, for controlling The breath light component is made under goal condition, recycles and flashes according to the duty cycle.

40. fingerprint identification device according to claim 39, which is characterized in that second driving unit is used to use arteries and veins The mode for rushing width modulated driving, controls the breath light component under goal condition, recycles and flashes according to the duty cycle.

41. fingerprint identification device according to claim 40, which is characterized in that the duty cycle is suitable according to time order and function Sequence successively includes gradually bright stage and gradually dark stage.

42. fingerprint identification device according to claim 40, which is characterized in that the duty cycle is suitable according to time order and function Sequence successively include: gradually the bright stage, the stage of being always on, gradually the dark stage and often the dark stage.

43. fingerprint identification device according to claim 42, which is characterized in that the gradually bright stage and the gradually dark stage Duration it is equal；It is described to be always on the stage and the duration in the often dark stage is equal.

44. fingerprint identification device according to claim 43, which is characterized in that the duty score in the gradually bright stage is multiple Gear is linearly increasing, the multiple gear linear reductions of duty score in the gradually dark stage.

45. fingerprint identification device according to claim 44, which is characterized in that duty score 16 of the gradually bright stage Gear is linearly increasing, 16 gear linear reductions of duty score in the gradually dark stage.