CN110928049A - Display screen module and electronic equipment - Google Patents
Display screen module and electronic equipment Download PDFInfo
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- CN110928049A CN110928049A CN201911292974.0A CN201911292974A CN110928049A CN 110928049 A CN110928049 A CN 110928049A CN 201911292974 A CN201911292974 A CN 201911292974A CN 110928049 A CN110928049 A CN 110928049A
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- light source
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- display panel
- screen module
- back plate
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/12—Fingerprints or palmprints
- G06V40/13—Sensors therefor
- G06V40/1318—Sensors therefor using electro-optical elements or layers, e.g. electroluminescent sensing
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
- G02F1/133607—Direct backlight including a specially adapted diffusing, scattering or light controlling members the light controlling member including light directing or refracting elements, e.g. prisms or lenses
Abstract
The embodiment of the invention provides a display screen module and electronic equipment, and relates to the field of electronic devices, wherein the display screen module comprises: display panel and light source subassembly, display panel have the fingerprint identification district, and the light source subassembly is located display panel and keeps away from one side of display surface, and the light source subassembly includes: the circuit substrate is provided with a display light source and an infrared light source on one side facing the display panel; the packaging layer is positioned on one side, facing the display panel, of the circuit substrate and covers the display light source and the infrared light source; the infrared receiving device is positioned on one side of the packaging layer close to the display panel; the vertical projections of the infrared light source and the infrared receiving device on the display panel are both positioned in the fingerprint identification area. The embodiment of the invention ensures that the fingerprint identification structure can not occupy the space outside the display screen module any more, is beneficial to improving the screen occupation ratio of the LCD screen electronic equipment, and is easy to realize full-screen.
Description
Technical Field
The invention relates to the field of electronic devices, in particular to a display screen module and electronic equipment.
Background
With the development of the intelligent mobile terminal, the appearance and the operation experience of the intelligent mobile terminal become important factors influencing the selection of consumers. For example, full-screen cell phones are increasingly popular with consumers due to their wide field of view and comfortable feel. In the prior art, an Organic Light-Emitting Diode (OLED) screen can realize screen fingerprint identification, that is, the fingerprint identification does not occupy space outside the screen, so that full-screen mobile phones are easily realized, but the OLED screen is influenced by high manufacturing difficulty and cost.
A non-OLED screen, such as a Liquid Crystal Display (LCD) screen widely used, and the conventional structure is shown in fig. 1, and includes a plastic-iron integrated structure 1, a light bar 2, a reflective sheet 3, a light guide plate 4, a diffusion sheet 5, a lower prism 6, an upper prism 7, a light-shielding tape 8, a flexible circuit board and glue layer 21, and an LED lamp 22; the light 33 emitted from the LED lamp 22 is totally reflected and transmitted in the light guide plate 4, and hardly penetrates through the backlight structure including the reflective sheet 3, the light guide plate 4, the diffusion sheet 5, and the like. Similarly, light for fingerprint identification cannot effectively penetrate through the backlight structure and cannot be effectively received, and therefore, screen fingerprint identification is difficult to perform. Therefore, the existing LCD screen electronic device usually places the fingerprint recognition structure in a space outside the screen, which results in a low screen occupation ratio and is difficult to realize a full screen.
Disclosure of Invention
The embodiment of the invention provides a display screen module and electronic equipment, and aims to solve the problems that the screen occupation ratio of the existing LCD screen electronic equipment is low and the full-screen display is difficult to realize.
In order to solve the technical problem, the invention is realized as follows:
the invention provides a display screen module, which comprises: display panel and light source subassembly, display panel has the fingerprint identification district, the light source subassembly is located display panel keeps away from one side of display surface, the light source subassembly includes:
the circuit substrate is provided with a display light source and an infrared light source on one side facing the display panel;
the packaging layer is positioned on one side, facing the display panel, of the circuit substrate and covers the display light source and the infrared light source;
the infrared receiving device is positioned on one side of the packaging layer close to the display panel;
the infrared light source and the vertical projection of the infrared receiving device on the display panel are both positioned in the fingerprint identification area.
Optionally, the number of the display light sources is at least 3, and the display light sources are distributed on the circuit substrate in an array.
Optionally, the number of the infrared light sources is at least 3, and the infrared light sources are distributed on the circuit substrate in an array.
Optionally, the display light source is a light emitting chip, and the light emitting chip is flip-chip mounted on the circuit substrate.
Optionally, the light receiving device is embedded in the encapsulation layer, and an end surface of the light receiving device facing the display panel is flush with an end surface of the encapsulation layer facing the display panel.
Optionally, the light source assembly further comprises:
the diffusion sheet is positioned on one side, facing the display panel, of the packaging layer;
the prism structure is positioned between the display panel and the diffusion sheet.
Optionally, the display panel further comprises a back plate, the back plate is a cavity with an opening at one end, the light source assembly is installed in the back plate, and the display panel is located outside the back plate.
Optionally, a light-shielding adhesive tape is arranged on the outer side wall of the back plate, and one end of the light-shielding adhesive tape extends to the opening of the back plate, is located between the back plate and the prism structure, and is respectively bonded with the back plate and the prism structure.
Optionally, the light source assembly further includes a flexible circuit board penetrating through the back plate and connected to the circuit substrate.
The embodiment of the invention also provides electronic equipment comprising the display screen module.
In the embodiment of the invention, the light rays emitted by the display light source and the infrared light source can directly irradiate the display panel without reflection, so that the infrared light rays emitted by the infrared light source can effectively reach the fingerprint position above the display panel, the screen fingerprint identification function is realized, the fingerprint identification structure can not occupy the space outside the display screen module any more, the screen occupation ratio of the LCD screen electronic equipment is improved, the full-screen display is easy to realize, and the use experience of a user is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a schematic diagram of a conventional structure of a conventional LCD panel;
fig. 2 is a schematic diagram illustrating a display screen module according to an embodiment of the present invention performing fingerprint identification;
FIG. 3 is a schematic view of a surface light source according to an embodiment of the present invention;
FIG. 4 is a schematic diagram illustrating the packaging positions of the light source and the infrared light source in the embodiment of the present invention;
FIG. 5 is a schematic diagram illustrating a location of a fingerprint identification area according to an embodiment of the present invention;
FIG. 6 is a schematic view of an assembly structure of a display panel, a light source module and a back plate according to an embodiment of the present disclosure;
FIG. 7 is a schematic view of a bonding structure of a light-shielding tape and a prism structure according to an embodiment of the present invention;
FIG. 8 is a schematic view of a bonding structure between a light-shielding tape and an outer sidewall of a back plate according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships are changed accordingly.
As shown in fig. 2, the display screen module provided in the embodiment of the present invention includes: the display device comprises a display panel 100 and a light source assembly 200, wherein the display panel 100 is provided with a fingerprint identification area 1001, and the light source assembly 200 is positioned on one side of the display panel 100 far away from a display surface; the light source assembly 200 includes:
a circuit substrate 211, wherein a display light source 212 and an infrared light source 213 are arranged on one side of the circuit substrate 211 facing the display panel 100;
an encapsulation layer 214, wherein the encapsulation layer 214 is located on a side of the circuit substrate 211 facing the display panel 100 and covers the display light source 212 and the infrared light source 213;
an infrared receiving device 215, wherein the infrared receiving device 215 is positioned at one side of the packaging layer 214 close to the display panel 100;
the vertical projection of the infrared light source 212 and the infrared receiving device 215 on the display panel 100 are both located in the fingerprint identification area 1001.
In the present embodiment, the display panel 100 may be a panel (panel) structure of an LCD panel or the like. As shown in fig. 3, the display light source 212 and the infrared light source 213 may be mounted on the circuit substrate 211 through a series-parallel circuit and encapsulated by an encapsulation layer 214; the encapsulation layer 214 may be, for example, a fluorescent film, a silicon gel, or other materials, and ensures that the light emitted from the display light source 212 and the infrared light source 213 can effectively penetrate therethrough. The infrared receiving device 215 is disposed in the packaging layer 214, can transmit light normally without affecting the light emitting effect of the display light source 212 and the infrared light source 213, and can receive the infrared light 2131 reflected from the display panel 100.
As shown in fig. 5, when the embodiment of the present invention is applied to unlocking a screen fingerprint, the display screen module has a fingerprint identification area 1001, a user can place a fingerprint 400 of a finger on the fingerprint identification area 1001, the infrared light 2131 emitted by the infrared light source 213 passes through the display panel 100 to reach the fingerprint 400 and is reflected, the unevenness of the fingerprint 400 causes the change of the optical path and the optical path of the infrared light 2131, and after the reflected light reaches the infrared receiving device 215, the function of identifying the fingerprint 400 can be realized based on the change of the optical path and the optical path.
Compared with the display screen module in which the LED lamp is disposed at the edge of the light guide plate in the prior art, the display screen module provided in the embodiment of the invention has the display light source 212 and the infrared light source 213 disposed on one side of the circuit substrate 211 facing the display panel 100, and omits structures such as a reflector, a light guide plate, and a light bar. The light that shows light source 212 and infrared light source 213 and send can not be directly directive display panel 100 through the reflection to make infrared light 2131 that infrared light source 213 sent can effectively reach the fingerprint 400 department of display panel 100 top, realize the screen fingerprint identification function, and then make the fingerprint identification structure no longer occupy the space outside the display screen module, help improving LCD screen electronic equipment screen and account for the ratio, easily realize the full screen ization, promote user's use and experience.
Optionally, the number of the display light sources 212 is at least 3, and the display light sources are distributed on the circuit substrate 211 in an array.
In practical applications, the size and number of the display light sources 212 may not be limited, but the smaller the display light sources 212 are, the more densely the display light sources are arranged, the better the uniformity of the surface light source is, therefore, the number of the display light sources 212 is set to be plural, and the plural display light sources are distributed on the circuit substrate 211 in an array, so as to improve the uniformity of the display light sources.
Optionally, the number of the infrared light sources 213 is at least 3, and the infrared light sources are distributed on the circuit substrate 211 in an array.
The plurality of infrared light sources 213 are distributed on the circuit substrate 211 in an array, and the uniformity of the infrared light sources 213 can be provided, so as to improve the fingerprint recognition effect. As shown in fig. 4, since the display light sources 212 and the infrared light sources 213 are simultaneously located on the circuit substrate 211, in order to avoid interference of the installation positions, when the display light sources 212 are distributed in an array, the infrared light sources 213 are installed in the gaps between the display light sources 212 and distributed in a cross-shaped array. When the display light sources 212 are relatively dense, the area of the single infrared light source 213 is relatively small, and more infrared light sources 213 may be provided to obtain a sufficient size of the fingerprint identification area 1001. Of course, in practical applications, the size, number and arrangement of the infrared light sources 213 may not be limited according to actual requirements, so as to ensure that fingerprint identification can be implemented.
As shown in fig. 5, the fingerprint identification area 1001 may be located on a lower half portion of a frame display area 1002 of the display module, and the specific location may be determined according to the overall design of the electronic device.
Optionally, the display light source 212 is a light emitting chip, and the light emitting chip is flip-chip mounted on the circuit substrate.
The light-emitting chip flip structure can improve the mounting efficiency and the connection reliability of the light-emitting chip, and certainly, in practical application, the light-emitting chip is normally mounted or flipped without limitation, and is selected according to actual needs.
Further alternatively, the infrared light source 213 may be an infrared chip. The light emitting Chip and the infrared Chip can be packaged into the whole light source through a series-parallel circuit component On the circuit substrate 211 and a Chip On Board (COB) packaging mode, so that the effect of the surface light source is achieved. The above-mentioned packaging layer 214 is used for packaging the light-emitting chip and the infrared chip, as shown in fig. 3, the thickness of the packaging layer 214 is H3, preferably, H3 is less than or equal to 0.5 mm; of course, the thickness of the encapsulation layer 214 may not be limited, and is determined according to the actual application.
In some possible embodiments, the display light source 212 may also be a light source structure such as a lamp (lamp) or a fluorescent tube, and the infrared light source 213 may also be an infrared lamp or other devices capable of exciting infrared rays.
Optionally, the light receiving device 215 is embedded in the encapsulation layer 214, and an end surface of the light receiving device 215 facing the display panel 100 is flush with an end surface of the encapsulation layer 214 facing the display panel 100.
In this embodiment, the light receiving device 215 may be embedded on the surface of the encapsulation layer 214, so that the light receiving device 215 is more sensitive to the infrared light 2131 reflected from the fingerprint 400, the fingerprint identification efficiency is improved, and the user experience is better.
In a possible embodiment, the light receiving device 215 may also be completely encapsulated inside the encapsulating layer 214 to improve the fixing strength and better protect the light receiving device 215.
Optionally, the light source assembly 200 further comprises: a diffusion sheet 220, wherein the diffusion sheet 220 is positioned on one side of the packaging layer 214 facing the display panel 100; a prism structure 230, the prism structure 230 being located between the display panel 100 and the diffusion sheet 220.
The diffuser plate 220 and the prism structure 230 together form an optical film assembly for processing light emitted from the display light source 212. The prism structure 230 may be a combination of a lower prism sheet 231 and an upper prism sheet 232, or may be a composite prism.
Optionally, the display screen module further includes a back plate 300, the back plate 300 is a cavity with an opening at one end, the light source assembly 200 is installed in the back plate 300, and the display panel 100 is located outside the back plate 300.
In this embodiment, the circuit substrate 211, the display light source 212, the infrared light source 213, the encapsulation layer 214, and the infrared receiving device 215 together form a surface light source structure 210. As shown in fig. 6, the light source assembly 200 composed of the surface light source structure 210, the diffusion sheet 220 and the prism structure 230 is installed in a cavity opened on the back plate 300, wherein the surface light source structure 210 can be fixed on the inner bottom surface of the back plate 300 by a double-sided adhesive tape 320. The display panel 100 may be installed on one side of the rear panel 300 having the opening and form a cover for the opening; of course, in some possible embodiments, the display panel 100 may also be partially installed in the cavity, and the gap between the display panel 100 and the inner wall of the cavity is filled with an adhesive tape or glue, so as to protect the light source assembly 200.
In a specific application example, the back plate 300 is made by bending an iron piece with the thickness of 0.1mm, and glue and iron integrated injection molding is not needed, so that the processing difficulty and the manufacturing cost are reduced. Of course, the thickness and material of the back plate 300 can be selected according to actual needs.
Optionally, a light-shielding tape 310 is disposed on an outer sidewall of the back plate 300, and one end of the light-shielding tape 310 extends to the opening of the back plate 300, is located between the back plate 300 and the prism structure 230, and is bonded to the back plate 300 and the prism structure 230, respectively.
The light source module 200 and the back plate 300 can be combined and fixed to serve as a backlight module. Through bending shading sticky tape 310 side, can effectively fix the optical film material combination on the one hand, on the other hand can guarantee to be equipped with the gas tightness in the cavity of light source subassembly 200, provides the guarantee for the letter tolerance test of backlight module.
As shown in fig. 7 and 8, in a specific application example, the total thickness of the backlight module is H1; the light blocking tape 310 has two portions bent to each other in the width extending direction, wherein a portion bonded to the prism structure 230 has a width W1, and another portion bonded to the outer sidewall of the back sheet 300 has a width H2; the values of W1 are consistent on four sides of the backlight module, optionally, W1 is greater than or equal to 0.3mm and less than or equal to 0.5mm, and H2 is greater than or equal to 1/3H1 and less than or equal to H1, so as to ensure sufficient fixing strength between the back plate 300 and the light source assembly 200. Of course, the values and dimensional relationships of W1, H1, and H2 may be determined according to actual needs.
Optionally, as shown in fig. 7 and 8, the light source assembly further includes a flexible circuit board 216, where the flexible circuit board 216 penetrates through the back plate 300 and is connected to the circuit substrate 211.
In a preferred embodiment, the circuit substrate 211 may also be a Flexible Printed Circuit (FPC), that is, the circuit substrate 211 and the Flexible circuit 216 are an integrated structure; the thicknesses of the circuit substrate 211 and the flexible circuit board 216 are not limited, and a 0.12mm thick circuit board is preferable. Alternatively, the circuit substrate 211 and the flexible circuit board 216 may be a split structure, and the flexible circuit board 216 is used to electrically connect the circuit substrate 211 with a structure located outside the backplate 300, such as a power supply.
The embodiment of the invention adopts a plurality of display light sources which are arranged in an array manner, an infrared light source is arranged in the gap of the display light sources in an area needing fingerprint identification and can emit infrared light, and an infrared receiving device is packaged above the infrared light source in the corresponding fingerprint identification area; packaging a display light source and an infrared light source into a surface light source, fixing the surface light source on a back plate through a double-sided adhesive tape, and assembling an optical film material combination and a shading adhesive tape to form a backlight source module to give out light comprehensively; and the fingerprint unlocking function is realized through the infrared receiving device. The display screen module provided by the embodiment of the invention can penetrate through the optical film material combination and the display panel by infrared rays emitted by the infrared light source, change of a light path and an optical path is caused by unevenness of a fingerprint after reaching the fingerprint, and the function of screen fingerprint identification is realized after reflected light reaches the infrared receiving device; avoid the fingerprint identification structure to occupy the space outside the display screen module, enlarged the screen of backlight module and accounted for than.
The embodiment of the invention also provides electronic equipment comprising the display screen module.
In the embodiment of the present invention, the electronic device includes, but is not limited to, a mobile phone, a tablet computer, a notebook computer, a palm computer, a vehicle-mounted terminal, a wearable device, a pedometer, and the like.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides a display screen module which characterized in that includes: display panel and light source subassembly, display panel has the fingerprint identification district, the light source subassembly is located display panel keeps away from one side of display surface, the light source subassembly includes:
the circuit substrate is provided with a display light source and an infrared light source on one side facing the display panel;
the packaging layer is positioned on one side, facing the display panel, of the circuit substrate and covers the display light source and the infrared light source;
the infrared receiving device is positioned on one side of the packaging layer close to the display panel;
the infrared light source and the vertical projection of the infrared receiving device on the display panel are both positioned in the fingerprint identification area.
2. The display screen module of claim 1, wherein the number of the display light sources is at least 3, and the display light sources are distributed on the circuit substrate in an array.
3. The display screen module of claim 1, wherein the number of infrared light sources is at least 3, and the infrared light sources are distributed on the circuit substrate in an array.
4. The display screen module of claim 1, wherein the display light source is a light emitting chip, and the light emitting chip is flip-chip mounted on the circuit substrate.
5. The display screen module of claim 1, wherein the light receiving device is embedded in the encapsulation layer, and an end surface of the light receiving device facing the display panel is flush with an end surface of the encapsulation layer facing the display panel.
6. The display screen module of claim 1, wherein the light source assembly further comprises:
the diffusion sheet is positioned on one side, facing the display panel, of the packaging layer;
the prism structure is positioned between the display panel and the diffusion sheet.
7. The display screen module of claim 6, further comprising a back plate, wherein the back plate is a cavity with an opening at one end, the light source assembly is mounted in the back plate, and the display panel is located outside the back plate.
8. The display screen module of claim 7, wherein a light-shielding tape is disposed on an outer sidewall of the back plate, and an end of the light-shielding tape extends toward the opening of the back plate, is located between the back plate and the prism structure, and is bonded to the back plate and the prism structure, respectively.
9. The display screen module of claim 7, wherein the light source assembly further comprises a flexible circuit board, the flexible circuit board penetrating through the back plate and being connected to the circuit substrate.
10. An electronic device, comprising the display screen module according to any one of claims 1 to 9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911292974.0A CN110928049A (en) | 2019-12-13 | 2019-12-13 | Display screen module and electronic equipment |
| PCT/CN2020/134812 WO2021115308A1 (en) | 2019-12-13 | 2020-12-09 | Display screen module and electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911292974.0A CN110928049A (en) | 2019-12-13 | 2019-12-13 | Display screen module and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110928049A true CN110928049A (en) | 2020-03-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911292974.0A Pending CN110928049A (en) | 2019-12-13 | 2019-12-13 | Display screen module and electronic equipment |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110928049A (en) |
| WO (1) | WO2021115308A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021115308A1 (en) * | 2019-12-13 | 2021-06-17 | 维沃移动通信有限公司 | Display screen module and electronic device |
| CN113688767A (en) * | 2021-08-31 | 2021-11-23 | 厦门天马微电子有限公司 | Display device and fingerprint identification equipment |
| CN113741075A (en) * | 2020-05-30 | 2021-12-03 | 荣耀终端有限公司 | Display screen and electronic equipment |
| CN114764988A (en) * | 2021-01-11 | 2022-07-19 | 群创光电股份有限公司 | Backlight module and display device using same |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104315412A (en) * | 2014-10-21 | 2015-01-28 | 深圳市华星光电技术有限公司 | Backlight module and display device |
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| CN109784307B (en) * | 2019-01-31 | 2020-09-01 | 维沃移动通信有限公司 | Terminal device |
| CN110928049A (en) * | 2019-12-13 | 2020-03-27 | 维沃移动通信有限公司 | Display screen module and electronic equipment |
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| CN105528569A (en) * | 2015-07-03 | 2016-04-27 | 宸鸿科技(厦门)有限公司 | Touch control device |
| CN104933421A (en) * | 2015-07-06 | 2015-09-23 | 上海箩箕技术有限公司 | An optical type fingerprint imaging system |
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| WO2021115308A1 (en) * | 2019-12-13 | 2021-06-17 | 维沃移动通信有限公司 | Display screen module and electronic device |
| CN113741075A (en) * | 2020-05-30 | 2021-12-03 | 荣耀终端有限公司 | Display screen and electronic equipment |
| CN114764988A (en) * | 2021-01-11 | 2022-07-19 | 群创光电股份有限公司 | Backlight module and display device using same |
| CN113688767A (en) * | 2021-08-31 | 2021-11-23 | 厦门天马微电子有限公司 | Display device and fingerprint identification equipment |
| CN113688767B (en) * | 2021-08-31 | 2022-10-21 | 厦门天马微电子有限公司 | Display device and fingerprint identification equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021115308A1 (en) | 2021-06-17 |
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