CN107170360A - Display screen and preparation method thereof, mobile terminal - Google Patents

Display screen and preparation method thereof, mobile terminal Download PDF

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Publication number
CN107170360A
CN107170360A CN201710289429.0A CN201710289429A CN107170360A CN 107170360 A CN107170360 A CN 107170360A CN 201710289429 A CN201710289429 A CN 201710289429A CN 107170360 A CN107170360 A CN 107170360A
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CN
China
Prior art keywords
layer
display screen
area
multiple
bottom
Prior art date
Application number
CN201710289429.0A
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Chinese (zh)
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CN107170360B (en
Inventor
杨乐
张海平
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广东欧珀移动通信有限公司
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Priority to CN201710289429.0A priority Critical patent/CN107170360B/en
Priority claimed from CN201710289429.0A external-priority patent/CN107170360B/en
Publication of CN107170360A publication Critical patent/CN107170360A/en
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Publication of CN107170360B publication Critical patent/CN107170360B/en

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    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06KRECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K9/00Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints
    • G06K9/00006Acquiring or recognising fingerprints or palmprints
    • G06K9/00013Image acquisition
    • G06K9/0002Image acquisition by non-optical methods, e.g. by ultrasonic or capacitive sensing
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/35Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being liquid crystals
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H01L27/00Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
    • H01L27/28Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including components using organic materials as the active part, or using a combination of organic materials with other materials as the active part
    • H01L27/32Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including components using organic materials as the active part, or using a combination of organic materials with other materials as the active part with components specially adapted for light emission, e.g. flat-panel displays using organic light-emitting diodes [OLED]
    • H01L27/3225OLED integrated with another component

Abstract

The invention provides a kind of display screen, including the top layer stacked gradually, multiple first functional layers and bottom, the top layer is located towards the side of user, the bottom is located at the top layer and deviates from user side, the top layer includes viewing area and non-display area, the viewing area is provided with fingerprint identification area, between the fingerprint identification area and the first adjacent functional layer, the multiple first functional layer just to palette between the region of the fingerprint identification area, between the region just to the fingerprint identification area of the bottom and the first adjacent functional layer.Present invention also offers a kind of display screen preparation method and a kind of mobile terminal.The present invention improves the recognition efficiency of fingerprint module.

Description

Display screen and preparation method thereof, mobile terminal

Technical field

The present invention relates to technical field of electronic equipment, and in particular to a kind of display screen and preparation method thereof, mobile terminal.

Background technology

Fingerprint recognition module is shown outside the viewing area of display panel with avoiding hindering in the prior art.But so Structure design make it that the screen accounting (viewing area accounts for the ratio of whole display screen) of viewing area is smaller, influence Consumer's Experience.Therefore, By the way of fingerprint module is mutually stacked with display screen, screen accounting can be improved, but under this structure, display screen can stop The transmission of the signal of fingerprint module, causes fingerprint module to gather the inefficient of fingerprint, reduces Consumer's Experience.

The content of the invention

The problem of for the above, it is an object of the invention to provide a kind of display screen and preparation method thereof, mobile terminal, improve Fingerprint module gathers the efficiency of fingerprint.

In order to solve problem present in background technology, the invention provides a kind of display screen, including the top stacked gradually Layer, multiple first functional layers and bottom, the top layer are located towards the side of user, and the bottom is located at the top layer away from use Family side, the top layer include viewing area and non-display area, the viewing area be provided with fingerprint identification area, the fingerprint identification area with Between the first adjacent functional layer, the multiple first functional layer just between the region of the fingerprint identification area, the bottom Palette between the region just to the fingerprint identification area of layer and the first adjacent functional layer.

The invention provides a kind of mobile terminal, including above-mentioned display screen, the display screen is included towards the aobvious of user Show face, the mobile terminal also includes ultrasonic fingerprint module and center, and the ultrasonic fingerprint module and the display screen are consolidated Due on the center, and the ultrasonic fingerprint module is located at away from the side of the display surface.

The invention provides a kind of display screen preparation method, including

Bottom is molded, the bottom has reference area;

Multiple first functional layers are molded on the bottom, between the reference area and the first adjacent functional layer, described Multiple first functional layers are just to palette between the region of the reference area;And

The formed top layer in the multiple first functional layer, the top layer has fingerprint identification area, the fingerprint identification area It is right against palette between the reference area, and the fingerprint identification area and the first adjacent functional layer.

Display screen provided in an embodiment of the present invention, including top layer, multiple first functional layers and the bottom stacked gradually, it is described Top layer is towards user, and the bottom is located at the top layer and deviates from user side, and the top layer is provided with fingerprint identification area, the fingerprint Between cog region and the first adjacent functional layer, the multiple first functional layer just to the region of the fingerprint identification area it Between, palette between the region just to the fingerprint identification area of the bottom and the first adjacent functional layer, it is convenient to pass through The induced signal of fingerprint module transmitting, improves fingerprint module collection fingerprint efficiency, improves Consumer's Experience.

Brief description of the drawings

In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be attached to what is used required in embodiment Figure is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for this area For those of ordinary skill, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.

Fig. 1 is a kind of display screen structure schematic diagram provided in an embodiment of the present invention.

Fig. 2 is sectional views of the Fig. 1 along AA`.

Fig. 3 is a kind of display screen structure schematic diagram provided in an embodiment of the present invention.

Fig. 4 is a kind of display screen structure schematic diagram provided in an embodiment of the present invention.

Fig. 5 is a kind of display screen structure schematic diagram provided in an embodiment of the present invention.

Fig. 6 is a kind of display screen structure schematic diagram provided in an embodiment of the present invention.

Fig. 7 is a kind of display screen structure schematic diagram provided in an embodiment of the present invention.

Fig. 8 is a kind of mobile terminal schematic diagram provided in an embodiment of the present invention.

Fig. 9 is sectional views of the Fig. 8 along BB`.

Figure 10 is a kind of display screen structure schematic diagram provided in an embodiment of the present invention.

Figure 11 is a kind of display screen structure schematic diagram provided in an embodiment of the present invention.

Figure 12 is a kind of display screen preparation method flow chart provided in an embodiment of the present invention.

Embodiment

Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme progress to the embodiment of the present invention is clear, complete Ground is described.

Fig. 1 and Fig. 2 is referred to, is a kind of display screen 100 provided in an embodiment of the present invention.The display screen 100 include according to The top layer 110 of secondary stacking, multiple first functional layers 120 and bottom 130.The top layer 110 is located towards the side of user, described Bottom 130 is located at the top layer 110 and deviates from user side.The top layer 110 include viewing area 101 and with the viewing area 101 Adjacent non-display area 102.The viewing area 101 is the region of the display image of display screen 100, and the non-display area 102 can be with For installing the electronic components such as camera, loudspeaker.The viewing area 101 is provided with fingerprint identification area 111, knows to user fingerprints Other function.Between the fingerprint identification area 111 and the first adjacent functional layer, the multiple first functional layer 120 just to institute State between the region of fingerprint identification area 111, the bottom 130 just to the region of the fingerprint identification area 111 and adjacent the The region interior sealing laminating of dotted line frame 103 in palette between one functional layer, i.e. Fig. 2.

The embodiment of the present invention by set the fingerprint identification area 111, the multiple first functional layer 120 just to described The region of fingerprint identification area 111 and the bottom 130 just to the region of the fingerprint identification area 111 sealing paste each other Close, and ultrasonic fingerprint module 210 is fixed on the display screen 100 and deviate from the side of user, and be right against the fingerprint and know Other area 111 is set, to reduce the interference of air in the display screen 100 for the ultrasonic fingerprint module, so as to improve institute State the accuracy rate that ultrasonic fingerprint module 210 gathers finger print information.

In the present embodiment, the display screen 100 can be Organic Electricity laser display screen (Organic Light-Emitting Diode, OLED) or LCDs (Liquid Crystal Display, LCD) etc..

Specifically, first functional layer is including but not limited to various electronic components, mechanical part, and/or optics Part, the film-form or platy structure for realizing particular electrical circuit function.Electrically connected between multiple first functional layers or there is light Line conduction, reflection, refraction etc. so that the function phase of multiple first functional layers is echoed.In multiple first functional layers Under collective effect, the viewing area 101 that human eye is watched outside display screen 100 can be formed.

In a kind of embodiment, referring to Fig. 3, the display screen 100 is LCD display.The top layer 110 can be glass Glass cover plate.The top layer 110 includes viewing area 101 and non-display area 102, and the viewing area 101 has towards the first of user Surface 1101 and the second surface 1102 being oppositely arranged with the first surface 1101.The first surface 1101 is known provided with fingerprint Other area 111.The multiple first functional layer 120 includes upper polarizing layer 121, chromatic filter layer 122, the liquid crystal layer stacked gradually 123rd, tft layer 124 and lower polarizing layer 125, the upper polarizing layer 121 are fitted in described adjacent to the top layer 110 Second surface 1102.The bottom 130 can be backlight layer.The fingerprint identification area 111, the upper polarizing layer 121 are just to institute State at fingerprint identification area 111, the chromatic filter layer 122 is right against at the fingerprint identification area 111, the liquid crystal layer 123 just To at the fingerprint identification area 111, the tft layer 124 just at the fingerprint identification area 111, the lower polarizing layer 125 just at the fingerprint identification area 111, the bottom 130 just to palette between the fingerprint identification area 111, i.e., 103 region interior sealing laminating in Fig. 3.

Referring to Fig. 4, the bottom 130 have refer to 138, the reference area 138 just to the fingerprint identification area 111, The reference area 138 includes being laminated multiple second functional layers, and the multiple second functional layer includes the diffusion layer stacked gradually 141st, optical waveguide layer 142 and reflecting layer 143, the diffusion layer 141 is adjacent to the lower polarizing layer 125.Multiple second work(described above 104 region interior sealing laminating in palette between ergosphere, i.e. Fig. 4.

Further, referring to Fig. 5, the bottom 130 also includes light source 131 and frame 132, the light source is located at described The week side of boss of optical waveguide layer 142, the frame 132 is to house the light source 131, diffusion layer 141, optical waveguide layer 142 and reflecting layer 143, and the light source 131 is fixed on to the week side of boss of the optical waveguide layer 142.The inwall of frame 132 is provided with clamping part 134, institute State clamping part 134 and be fixed on the optical waveguide layer 142 and the light source 132.

In a kind of embodiment, referring to Fig. 6, the frame 132 is sealing frame 133, and in true in the sealing frame 133 Sky is set so that the region interior sealing just to the fingerprint identification area 111 of the sealing frame 133 is fitted, gapless.

Further, the sealing frame 133 includes the top cover 135 and bottom 136 being oppositely arranged, and is connected to the top cover Side cover 137 between 135 and the bottom 136.The surrounding that the side cover 137 is surrounded on the optical waveguide layer 142 is set.The clamping Portion 134 can be fixed on the side cover 137, and the optical waveguide layer 142 is fixed in the sealing frame 133.The bottom 130 Also include reflecting layer and diffusion layer etc..The reflecting layer stacking and the remote top of the optical waveguide layer 142 and the light source 132 The side of lid 135, launches to the light in the reflecting layer, the light is in optical waveguide layer 142 and instead to reflect the light source 132 Penetrate and projected after repeatedly reflecting and reflect in layer towards the direction of the top cover 135.

The bottom 130 is located at the side of the lower polarizing layer 125 away from the tft layer 124, specifically, institute The top cover 135 for stating sealing frame 133 fits in the lower polarizing layer 125, the top cover 135 just to the fingerprint identification area 111 region and the lower polarizing layer 125 just to palette between the region of the fingerprint identification area 111.The top cover 135 can be light transmissive cover 135, to ensure that the light that the bottom 130 is launched can expose to the multiple first functional layer 120, with display image.

In a kind of embodiment, referring to Fig. 7, the display screen 400 is OLED display screen.The top layer 410 is glass Cover plate.The top layer 110 includes viewing area 101 and non-display area 102, and the viewing area 101 has the 3rd table towards user Face 4101 and the 4th surface 4102 being oppositely arranged with the 3rd surface 4101.3rd surface 4101 has fingerprint recognition Area 411.The multiple first functional layer 420 includes cathode layer 441, organic luminous layer 442 and the anode layer 443 stacked gradually. The top layer 410 is to stop that the light reflected by the anode layer 443 projects display screen 400.The cathode layer 441 is adjacent to institute State top layer 410.The bottom 430 can be substrate.At fingerprint identification area 411 in the top layer 410, the cathode layer 441 Be right against at the fingerprint identification area 411, the organic luminous layer 442 just at the fingerprint identification area 411, the anode layer 443 just at the fingerprint identification area 411, the bottom 430 just to palette between the fingerprint identification area 411, i.e., 105 regions in Fig. 7 do not have air.

The application is not limited for the size and number of the fingerprint identification area 111, and the fingerprint identification area 111 can be with It is regional area or the region of whole viewing area 101 of the viewing area 101.The fingerprint identification area 111 is described aobvious When showing the regional area in area 101, it can also be multiple that the fingerprint identification area 111, which can be one,.

The application is not limited for the shape of the fingerprint identification area 111, and the fingerprint identification area 111 can be circle Square or oval or irregular shape.The irregular shape can be the contact surface for being adapted to finger and display screen 100 Shape.

Fig. 8 and Fig. 9 is referred to, present invention also provides a kind of mobile terminal 200, including described in any of the above-described embodiment Display screen 100.Mobile terminal 200 provided in an embodiment of the present invention can be a portable electron device or communicator, For example, smart mobile phone, personal digital assistant (Personal Digital Assistant, abbreviation PDA), tablet personal computer, notes Originally, POS, it might even be possible to be vehicle-mounted computer, not limited to this.

The display screen 100 includes the display surface 201 towards user.The mobile terminal 200 also includes ultrasonic fingerprint Module 210 and center 211, the ultrasonic fingerprint module 210 and the display screen 100 are fixed on the center 211.It is described Ultrasonic fingerprint module 210 is located at away from the side of the display surface 201, i.e., described ultrasonic fingerprint module 210 is located at described Bottom 130 deviates from the side of the multiple first functional layer 120, and the ultrasonic fingerprint module 210 is right against the fingerprint Cog region 111 is set.Palette between the ultrasonic fingerprint module 210 and the bottom 130.The ultrasonic fingerprint mould Group 210 includes ultrasonic transmitter 212 and ultrasonic receiver 213, and the ultrasonic transmitter 212 and the ultrasonic wave are received Palette between device 213 and the display screen 100.

Referring to Fig. 9, the transmitting ultrasonic signal of ultrasonic transmitter 212 of the ultrasonic fingerprint module 210, the ultrasound Ripple signal is passed through after the display screen 100, and portion of ultrasonic sound wave signal is directly projected to the ridge 214a in finger print face 214, part Ultrasonic signal passes through the valley 214b that finger print face 214 is transmitted through after air dielectric.Because skin and air are for ultrasonic wave Absorption, penetrate different from the degree reflected, skin and air can distinguish Fingers for the resistance difference of ultrasonic signal Position where the ridge 214a and valley 214b in line face 214.Ultrasonic signal is received after being reflected by finger print face 214 by ultrasonic wave Device 213 is received, and ultrasonic receiver 213 handles the ultrasonic signal, to obtain the lines information of fingerprint, realizes fingerprint collecting And fingerprint recognition.On the other hand, ultrasonic fingerprint module 210 according to detection ultrasonic signal from be transmitted into reflect when Between, distance of the launch point away from pip can be calculated.The ultrasonic signal carries out multi-point scanning to finger print face 214, The three-dimensional information in finger print face 214 can be obtained by the ultrasonic signal of many point reflections, thus improve fingerprint detection accuracy and Efficiency.

The present embodiment sets fingerprint identification area 111 by the top layer 110 in display screen 100, deviates from user in display screen 100 Side and the position setting ultrasonic fingerprint module 210 just to the fingerprint identification area 111, set the ultrasonic fingerprint module Being right against between 210 and the display screen 100, in the display screen 100 between the fingerprint identification area 111 does not have air, So that the transmission of ultrasonic signal will not be disturbed by the air inside mobile terminal 200, and then can effectively exactly Information in fingerprint is gathered, so as to improve fingerprint collecting efficiency, increases Consumer's Experience.In addition, ultrasonic fingerprint module 210 can have The reduction of effect ground has in the case of the spots such as water, sweat on hand because of user, the invalid or inaccurate situation of fingerprint recognition, is adaptable to each Fingerprint recognition under class scene.

In other embodiments, the ultrasonic fingerprint module 210 can also such as be pushed up in the display screen 100 Between layer 120 and the upper polarizing layer 121, between upper polarizing layer 121 and chromatic filter layer 122, or chromatic filter layer 122 and liquid Between crystal layer 123, or between liquid crystal layer 123 and tft layer 124, or tft layer 124 and lower polarizing layer 125 it Between, or between the lower polarizing layer 125 and bottom 130.

Figure 12 is referred to, present invention also provides a kind of preparation method S100 of display screen 100, including

S101, referring to Fig. 10, shaping bottom 130, the bottom 130 have reference area 138.Specifically, the bottom 130 have towards the upper surface 1301 of user.The bottom 130 can be substrate or backlight layer.

S102, also referring to Fig. 3, Fig. 7 and Figure 10, multiple first functional layers 120, institute are molded on the bottom 130 Reference area 138 is stated between the first adjacent functional layer, the multiple first functional layer 120 just to the reference area 138 Palette between region.Specifically, multiple first functional layers 120, the forming method are molded on the upper surface 1301 Deposition, coating, evaporation, photoetching etc. can be included;The multiple first functional layer 120 can be upper polarizing layer 121, colorized optical filtering Layer 122, liquid crystal layer 123, tft layer 124 and lower polarizing layer 125 or cathode layer 441, organic luminous layer 442 With anode layer 443.

The reference area 138 can be identical with the size and shape of fingerprint identification area 111, the position of the reference area 138 Put the position for being right against the fingerprint identification area 111.

S103, the formed top layer 110 in the multiple first functional layer 120, the top layer 110 have fingerprint identification area 111, the fingerprint identification area 111 is right against the reference area 138, and the fingerprint identification area 111 and the first adjacent function Palette between layer.The specifically formed top layer 110 in the multiple first functional layer 120, the forming method can be wrapped Include laminating, deposition, coating, evaporation, photoetching etc.;The top layer 110 can be polarizing layer.

In a kind of embodiment, referring to Fig. 4, removing the fingerprint identification area 111 and adjacent the by heat pressing process Between one functional layer, the multiple first functional layer 120 just between the region of the fingerprint identification area 111, the reference Air between area 138 and the first adjacent functional layer.In other embodiments, can also be by being molded institute in a vacuum chamber Bottom 130, multiple first functional layers 120 and top layer 110 are stated, or the display screen 100 after shaping is subjected to vacuumize process, with institute Palette between each layer being right against in display screen 100 at the fingerprint identification area 111 is stated, without the air gap, institute is improved State the recognition accuracy of ultrasonic fingerprint module 210.

In a kind of embodiment, Figure 11 is referred to, the bottom 130 includes diffusion layer 141, optical waveguide layer 142, reflecting layer 143rd, light source 132 and sealing frame 133.The light source 132 is fixed on the week side of boss of the optical waveguide layer 142, the optical waveguide layer 142 and institute State light source 132 to be fixed in the sealing frame 133, the sealing frame 133 is vacuumized so that in true in the sealing frame 133 Sky is set.The preparation of the bottom 130 can be completed in a vacuum chamber.Specifically, in a vacuum chamber, palette spreads successively Layer 141, optical waveguide layer 142 and reflecting layer 143, light source 132 are fixed on the week side of boss of the optical waveguide layer 142, and by the light source 132 It is fixed on diffusion layer 141, optical waveguide layer 142 and reflecting layer 143 in the sealing frame 133, the bottom 130 is vacuumized Processing, there is the air gap between barrier layer 141, optical waveguide layer 142 and reflecting layer 143, influences the finger of the fingerprint module Line recognition accuracy.

Further, the sealing frame 133 includes the top cover 135 and bottom 136 being oppositely arranged, and is connected to the top cover Side cover 137 between 135 and the bottom 136.Before the vacuumize process of bottom 130, in the side cover of the sealing frame 133 137 open up through hole 139, and the through hole 139 is used in vacuum, the gas in the sealing frame 133 is discharged, to avoid Frame glue expansion failure in the sealing frame 133.The application does not have for the size of through hole 139, shape, position and quantity Limit.After the vacuumize process of sealing frame 133, through hole 139 described in sealant sealing are used.

In other embodiments, it would however also be possible to employ heat pressing process is removed in the bottom 130 just to the fingerprint recognition The air in the region in area 111.

Further, the top cover 135 of the sealing frame 133 is fitted in the first adjacent functional layer, optics can be used Between top cover 135 described in glue laminating and the first adjacent functional layer, and using heat pressing process to top cover 135 and adjacent the Pressurized, heated between one functional layer, with the adhesion strength and removal top cover for increasing top cover 135 between the first adjacent functional layer Air between 135 and the first adjacent functional layer.

The preparation method of a kind of display screen 100 provided in an embodiment of the present invention, including shaping bottom 130;In the top layer 110 Upper multiple first functional layers 120 of shaping;The formed top layer 110 in the multiple first functional layer 120;The top layer 110 is provided with The fingerprint identification area 111.By heat pressing process or vacuumize and cause the fingerprint identification area 111 and the first adjacent functional layer Between, the multiple first functional layer 120 just between the region of the fingerprint identification area 111, the reference area 138 and phase Palette between the first adjacent functional layer, to reduce in the display screen 100 air for the ultrasonic fingerprint module 210 Interference, so as to improve the accuracy rate that the ultrasonic fingerprint module 210 gathers finger print information, increase Consumer's Experience.

In summary, although the present invention it is disclosed above with preferred embodiment, but the preferred embodiment and be not used to limitation The present invention, one of ordinary skill in the field without departing from the spirit and scope of the present invention, can make various changes and profit Adorn, therefore protection scope of the present invention is defined by the scope that claim is defined.

Described above is the preferred embodiment of the present invention, it is noted that for those skilled in the art For, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications are also considered as Protection scope of the present invention.

Claims (10)

1. a kind of display screen, it is characterised in that including the top layer stacked gradually, multiple first functional layers and bottom, the top layer The side of user is located towards, the bottom is located at the top layer and deviates from user side, and the top layer includes viewing area and adjoining The non-display area of the viewing area, the viewing area is provided with fingerprint identification area, the fingerprint identification area and the first adjacent function Layer between, the multiple first functional layer just between the region of the fingerprint identification area, the bottom just to it is described refer to Palette between the region of line cog region and the first adjacent functional layer.
2. display screen as claimed in claim 1, it is characterised in that the bottom has reference area, and the reference area is just to institute Fingerprint identification area is stated, the reference area includes being laminated palette between multiple second functional layers, the multiple second functional layer.
3. display screen as claimed in claim 2, it is characterised in that the multiple first functional layer is upper inclined including what is stacked gradually Photosphere, chromatic filter layer, liquid crystal layer, tft layer and lower polarizing layer, the upper polarizing layer is adjacent to the top layer.
4. display screen as claimed in claim 3, it is characterised in that the multiple second functional layer includes the diffusion stacked gradually Layer, optical waveguide layer and reflecting layer, the diffusion layer is adjacent to the lower polarizing layer.
5. display screen as claimed in claim 1, it is characterised in that the multiple first functional layer includes the negative electrode stacked gradually Layer, organic luminous layer and anode layer, the cathode layer is adjacent to the top layer.
6. a kind of display screen preparation method, it is characterised in that including
Bottom is molded, the bottom has reference area;
Multiple first functional layers are molded on the bottom, between the reference area and the first adjacent functional layer, the multiple First functional layer just to palette between the region of the reference area;And
The formed top layer in the multiple first functional layer, the top layer has fingerprint identification area, and the fingerprint identification area is just right The palette between the reference area, and the fingerprint identification area and the first adjacent functional layer.
7. display screen preparation method as claimed in claim 6, it is characterised in that the fingerprint recognition is removed by heat pressing process Between area and the first adjacent functional layer, the multiple first functional layer just between the region of the fingerprint identification area, institute The air that reference area is stated between the first adjacent functional layer.
8. display screen preparation method as claimed in claim 7, it is characterised in that the bottom includes optical waveguide layer, light source and close Frame is sealed, the light source is fixed on the week side of boss of the optical waveguide layer, and the optical waveguide layer is fixed in the sealing frame with the light source, right The sealing frame is vacuumized so that set in the sealing frame in vacuum.
9. a kind of mobile terminal, it is characterised in that including the display screen described in any one of Claims 1 to 5, the mobile terminal Also include ultrasonic fingerprint module and center, the ultrasonic fingerprint module and the display screen are fixed on the center, institute State ultrasonic fingerprint module positioned at the bottom deviate from the multiple first functional layer side, the ultrasonic fingerprint module with Palette between the bottom, and it is right against the fingerprint identification area setting.
10. mobile terminal as claimed in claim 9, it is characterised in that the ultrasonic fingerprint module is launched including ultrasonic wave Device and ultrasonic receiver, palette between the ultrasonic transmitter and the ultrasonic receiver and the display screen.
CN201710289429.0A 2017-04-27 Display screen, preparation method thereof and mobile terminal CN107170360B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710289429.0A CN107170360B (en) 2017-04-27 Display screen, preparation method thereof and mobile terminal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710289429.0A CN107170360B (en) 2017-04-27 Display screen, preparation method thereof and mobile terminal

Publications (2)

Publication Number Publication Date
CN107170360A true CN107170360A (en) 2017-09-15
CN107170360B CN107170360B (en) 2020-03-24

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019153372A1 (en) * 2018-02-06 2019-08-15 武汉华星光电半导体显示技术有限公司 Display device
WO2019237872A1 (en) * 2018-06-15 2019-12-19 深圳市汇顶科技股份有限公司 Fingerprint identification apparatus and electronic device

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