CN111107201A - Electronic device - Google Patents
Electronic device Download PDFInfo
- Publication number
- CN111107201A CN111107201A CN201911373000.5A CN201911373000A CN111107201A CN 111107201 A CN111107201 A CN 111107201A CN 201911373000 A CN201911373000 A CN 201911373000A CN 111107201 A CN111107201 A CN 111107201A
- Authority
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- China
- Prior art keywords
- display screen
- infrared laser
- infrared
- electronic device
- display
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
- H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
Abstract
The application provides an electronic equipment, electronic equipment includes the display screen subassembly, the center, infrared laser lamp and infrared induction fingerprint module, the display screen subassembly includes display screen and circuit board, the display screen has display area and connects display area's non-display area, non-display area is connected to the circuit board, the relative display screen of center is fixed, and be equipped with the frame that encloses around the display screen week side, there is the equipment clearance between circuit board and the frame, infrared laser lamp is fixed in the center and faces the display screen one side, infrared laser lamp can be towards the equipment clearance transmission infrared laser beam, infrared induction fingerprint module is fixed in between display screen and the center, infrared induction fingerprint module is located the display area at the orthographic projection of display screen, infrared induction fingerprint module can respond to the fingerprint detected signal. The infrared induction fingerprint module does not occupy the non-display area, and then has increased the display area screen of display screen and has occupied than.
Description
Technical Field
The application relates to the technical field of communication, in particular to an electronic device.
Background
Be provided with infrared fingerprint module at present in the cell-phone, utilize infrared fingerprint module response to realize fingerprint identification from the infrared light of fingerprint outgoing. Usually, the infrared fingerprint module is arranged below the black edge of the mobile phone, so that the width of the black edge of the mobile phone is increased, and the display area of the display screen of the mobile phone is reduced.
Disclosure of Invention
The embodiment of the application provides electronic equipment.
The embodiment of the application provides an electronic device, wherein, the electronic device comprises a display screen assembly, a middle frame, an infrared laser lamp and an infrared induction fingerprint module, the display screen assembly comprises a display screen and a circuit board, the display screen has a display area and is connected with the non-display area of the display area, the circuit board is connected with the non-display area, the middle frame is relative, the display screen is fixed, and is provided with a frame surrounding the periphery of the display screen, an assembly gap exists between the circuit board and the frame, the infrared laser lamp is fixed on the middle frame and faces towards the display screen, the infrared laser lamp can face towards the assembly gap to emit an infrared laser beam, the infrared induction fingerprint module is fixed between the display screen and the middle frame, the orthographic projection of the display screen is positioned in the display area, but infrared induction fingerprint module response fingerprint detected signal, wherein, fingerprint detected signal by infrared laser beam incides to the finger after, from the fingerprint outgoing of finger and see through form behind the display screen.
The electronic equipment that this application embodiment provided, through the infrared laser beam of infrared laser lamp warp the circuit board with equipment clearance between the frame jets out, infrared induction fingerprint module set up in under the display area of display screen, warp the display screen acquires fingerprint detection signal, and fingerprint detection signal sees through the display screen after by infrared laser beam incident finger and forms, makes infrared induction fingerprint module does not occupy non-display area, and then has increased the display area screen of display screen accounts for the ratio.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic partial cross-sectional view of an electronic device provided in an embodiment of the present application;
fig. 2 is a schematic partial top view of an electronic device provided in an embodiment of the present application;
FIG. 3 is another schematic partial cross-sectional view of an electronic device provided by an embodiment of the present application;
FIG. 4 is a schematic, partially cross-sectional view of an electronic device provided in accordance with another embodiment of the present application;
fig. 5 is a schematic partial top view of an electronic device according to another embodiment of the present disclosure.
Detailed Description
Referring to fig. 1, fig. 2 and fig. 3, an embodiment of the present application provides an electronic device 1000, where the electronic device 1000 includes a display screen assembly 100, a middle frame 200, an infrared laser lamp 300 and an infrared sensing fingerprint module 400. The display screen assembly 100 includes a display screen 110 and a circuit board 120. The display screen 110 has a display area 111 and a non-display area 112 connected to the display area 111. The circuit board 120 is connected to the non-display area 112. The middle frame 200 is fixed relative to the display screen 110, and is provided with a frame 210 surrounding the display screen 110, and an assembly gap 121 is formed between the circuit board 120 and the frame 210. The infrared laser lamp 300 is fixed on one side of the middle frame 200 facing the display screen 110. The infrared laser lamp 300 may emit an infrared laser beam toward the assembly gap 121. Infrared induction fingerprint module 400 is fixed in display screen 110 with between the center 200, infrared induction fingerprint module 400 is in the orthographic projection of display screen 110 is located in display area 111, infrared induction fingerprint module 400 can respond to fingerprint detected signal, wherein, fingerprint detected signal by infrared laser beam incides to the finger after, follows the fingerprint outgoing of finger and sees through form behind the display screen 110. It is understood that the electronic device 1000 is a mobile phone, a tablet computer, or a notebook computer.
Through the infrared laser beam warp of infrared laser lamp 300 the circuit board 120 with equipment clearance 121 between the frame 210 jets out, infrared induction fingerprint module 400 set up in under the display area 111 of display screen 110, the warp display screen 110 acquires the fingerprint detection signal, and the fingerprint detection signal is formed through display screen 110 after the finger is incided by infrared laser beam, makes infrared induction fingerprint module 400 does not occupy non-display area 112, and then has increased display area 111 screen of display screen 110 accounts for the ratio.
In this embodiment, the display screen 110 has an upper surface 113 and a lower surface 114 opposite to the upper surface 113. The upper surface 113 faces the user. The display light of the display screen 110 is emitted from the upper surface 113, so that the display screen 110 can display a picture. The non-display area 112 surrounds the display area 111. The non-display area 112 may be an encapsulated area of the display screen 110. The display panel 110 may further include a driving device in the non-display region 112, and a light emitting device and a plurality of pixel units in the display region 111, where the driving device electrically connects the light emitting device and the pixel units to drive the light emitting device and the pixel units to perform display. The Display screen 110 may be an LCD (Liquid Crystal Display) Display screen 110, and may also be an OLED (organic light-Emitting Diode) Display screen 110.
In this embodiment, the display screen 110 has two opposite long sides 115 and two opposite short sides 116. The non-display area 112 is disposed at the periphery of the display screen 110. The non-display area 112 is narrower in width at both of the long sides 115. The width of the non-display area 112 is greater at one of the short sides 116 than at the other of the short sides 116. The non-display area 112 is provided with a display driving device at the short side 116 with a larger width, and the display driving device is used for driving the display screen 110 to display. The circuit board 120 is connected to the short side 116 of the non-display area 112 with a larger width, so that the circuit board 120 can be electrically connected to a driving device. The circuit board 120 extends from the short edge 116 and is bent relative to the display screen 110, so that a part of the circuit board 120 is stacked with the display screen 110, thereby reducing the overall arrangement area of the circuit board 120 and the display screen 110. The circuit board 120 is a flexible circuit board 120. The circuit board 120 may also be a rigid-flex board. The end of the circuit board 120 away from the display screen 110 is used for connecting with a motherboard.
In this embodiment, the frame 210 includes two opposite long arms 211 and two opposite short arms 212. The long arm 211 is adjacent the long side 115 of the display screen 110 and the short arm 212 is adjacent the short side 116 of the display screen 110. The two long arms 211 abut against the two long sides 115 to stabilize the display screen 110. An assembly gap 121 exists between the inner side surface of one of the short arms 212 and the circuit board 120, so as to ensure the safety of the circuit board 120 and prevent the circuit board 120 from being scratched and damaged by the frame 210 in the process of assembling the display screen 110 assembly 100 and the middle frame 200. It can be understood that the assembly gap 121 between the short arm 212 and the circuit board 120 is the minimum gap that needs to be ensured during the assembly process of the display screen 110 assembly 100 and the middle frame 200, that is, the distance from the circuit board 120 to the short arm 212 is smaller than the assembly gap 121, which may cause a safety problem for the circuit board 120. The frame 210 can stabilize and protect the display screen 110, and ensure the safety of the display screen 110 and the circuit board 120.
In this embodiment, the infrared laser lamp 300 is fixed to the middle frame 200 opposite to the assembling gap 121. The infrared laser light 300 is substantially opposite the middle of the short arm 212. When user's finger press in when display screen 110 top, the finger festival of user's finger has the part with it is relative to assemble clearance 121, promptly infrared laser lamp 300 orientation equipment clearance 121 emission laser beam, the laser beam of infrared laser lamp 300 transmission passes through after assembling clearance 121, can incite to the finger festival of user's finger conducts to the fingerprint department of finger, and final fingerprint outgoing to display screen 110 from the finger, and the warp display screen 110 transmits to infrared induction fingerprint module 400. The divergence angle of the infrared laser beam emitted by the infrared laser lamp 300 is small, so that the energy of the infrared laser beam emitted by the infrared laser lamp 300 is concentrated, the infrared laser beam emitted by the infrared laser lamp 300 can be irradiated to fingers in a concentrated manner, the infrared laser leakage is avoided, and the fingerprint identification efficiency is improved. By utilizing the concentrated energy of the infrared laser beam emitted by the infrared laser lamp 300, the infrared laser lamp 300 can be far away from the display screen 110, so that the infrared laser lamp 300 can be conveniently stacked with other devices, and the arrangement area of the devices of the electronic equipment 1000 can be optimized.
In this embodiment, the infrared sensing fingerprint module 400 is stacked on the display screen 110, and the infrared sensing fingerprint module 400 can receive the fingerprint detection signal transmitted from the display area 111 of the display screen 110. Infrared induction fingerprint module 400 has fingerprint induction area, fingerprint induction area is in the orthographic projection of display screen 110 can occupy display area 111 partly, also can be completely with display area 111 coincides. Infrared induction fingerprint module 400 is equipped with infrared light response face 410, infrared light response face 410 orientation display screen 110, infrared induction fingerprint module 400 warp infrared light response face 410 receives fingerprint detection signal. The fingerprint sensing area is disposed on the infrared sensing surface 410. The infrared light sensing surface 410 is parallel to the display screen 110. The infrared sensing fingerprint module 400 can be attached to the back of the display screen 110, or can be spaced from the display screen 110. Infrared induction fingerprint module 400 is in a plurality of infrared induction diodes that fingerprint induction zone was equipped with the array utilize a plurality of infrared induction diodes response to follow the infrared light that user's finger fingerprint was emergent to the fingerprint image is discerned.
Further, the circuit board 120 includes a bending extension portion 122 extending from one side of the non-display region 112 away from the display region 111, and a laminated portion 123 connecting the bending extension portion 122 and laminated with the display screen 110, where the laminated portion 123 is located between the display screen 110 and the middle frame 200, and the assembly gap 121 is located between the bending extension portion and the frame 210.
In this embodiment, the bending extension part 122 is fixed to the upper surface 113 of the display screen 110. The bent extension 122 is curved substantially in a circular arc curve. The bending extension 122 is electrically connected to a driving device of the non-display region 112. The bending extension part 122 extends from the side of the display screen 110, so that the circuit board 120 is prevented from being completely folded, and the safety of the circuit board 120 is ensured. A certain gap is reserved between the bending extension part 122 and the side wall of the display screen 110, so as to ensure the minimum bending degree of the bending extension part 122 and avoid the bending extension part 122 from being broken. The assembly gap 121 exists between the side surface of the bending extension part 122 far away from the display screen 110 and the inner wall of the frame 210, so that the frame 210 is prevented from extruding the bending extension part 122 to damage the bending extension part 122. The laminating part 123 is substantially attached to the back surface of the display screen 110 to reduce the thickness of the electronic device 1000. The end of the laminated part 123 extending away from the bend is electrically connected to the motherboard, so that the display screen 110 can transmit signals to and from the motherboard through the circuit board 120.
Further, the display screen assembly 100 further includes a cover plate 130, the cover plate 130 is attached to the display screen 110, an ink layer 131 is disposed on one surface of the cover plate 130 facing the display screen 110, the ink layer 131 covers the non-display area 112 and the bending extension portion 122, the ink layer 131 further covers the infrared laser lamp 300, and the frame 210 is fixedly connected to the periphery of the cover plate 130.
In this embodiment, the cover plate 130 completely covers the circuit board 120 and the display screen 110. The cover plate 130 has a light-transmitting area corresponding to the display area 111, and a non-light-transmitting area that can shield the non-display area 112, the circuit board 120, and the infrared laser lamp 300. The light-transmitting area can transmit the display light of the display area 111. Both the non-light-transmitting area and the light-transmitting area are transparent to the infrared laser beam of the infrared laser lamp 300. The non-light-transmitting area hides and covers the circuit board 120 and the infrared laser, and the appearance performance of the electronic device 1000 is guaranteed. The cover plate 130 is provided with the ink layer 131 in the non-light-transmitting area. The ink layer 131 makes the non-light transmissive region opaque to visible light. The ink layer 131 is disposed on a surface of the cover plate 130 facing the display screen 110. The cover plate 130 is bonded to the display screen 110 through an optical adhesive layer. The color of the ink layer 131 may be black, and the ink layer 131 forms a black edge of the electronic device 1000. The ink layer 131 can transmit the infrared laser beam of the infrared laser lamp 300. By hiding the infrared laser lamp 300, the non-display area 112 and the bending extension portion 122 under the ink layer 131, the infrared laser lamp 300, the non-display area 112 and the bending extension portion 122 are not visible, so as to ensure the appearance performance of the electronic device 1000. The top end of the frame 210 is provided with a step, and the periphery of the cover plate 130 is fixed on the step, so that the cover plate 130 is stably connected with the frame 210.
Further, the electronic device 1000 further includes a main board 500 fixed between the middle frame 200 and the display screen 110, and the laminated portion 123 is connected to the main board 500.
In this embodiment, a space exists between the main board 500 and the display screen 110. The main board 500 is stacked with the display screen 110. One surface of the main board 500 facing the display screen 110 is electrically connected to the stacked portion 123 of the circuit board 120 via a board-to-board connector. Infrared induction fingerprint module 400 is fixed in mainboard 500 orientation the one side of display screen 110. Infrared induction fingerprint module 400 with mainboard 500 electricity is connected. One side that infrared induction fingerprint module 400 responds to fingerprint detection signal deviates from mainboard 500. Of course, in other embodiments, the infrared sensing fingerprint module 400 may also be fixed on a surface of the main board 500 away from the display screen 110.
Further, the middle frame 200 further includes a middle plate 220 fixedly connected to the frame 210 and opposite to the display screen 110, and the infrared laser light 300 is fixed to a surface of the middle plate 220 facing the display screen 110.
In this embodiment, the middle plate 220 is fixed to one end of the frame 210 away from the cover plate 130. The middle plate 220 and the bezel 210 may be integrally provided. The main board 500 is fixed on a surface of the middle board 220 facing the display screen 110. The middle plate 220 carries the main plate 500. The infrared laser lamp 300 is fixed on the middle plate 220, so that the distance from the infrared laser lamp 300 to the cover plate 130 is increased, the area of the cover plate 130 irradiated by the infrared laser beam emitted by the infrared laser lamp 300 is increased, the area of the finger capable of receiving the infrared laser beam is further increased, and the fingerprint identification efficiency is improved. The infrared laser beam emitted by the infrared laser lamp 300 is a divergent beam, and the emission angle of the infrared laser beam emitted by the infrared laser lamp 300 is less than 30 degrees, that is, the divergence angle of the infrared laser beam is less than 30 degrees. Electronic equipment is still including being fixed in the center 200 deviates from the casing 600 of display screen 110 one side, casing 600 is right the center 200 protects, in order to guarantee infrared laser lamp 300 reaches the security of infrared induction fingerprint module 400, and guarantee electronic equipment 1000's outward appearance performance.
In another embodiment, referring to fig. 4 and 5, the bending extension 122 is provided with a hollow hole 123, and the infrared laser beam of the infrared laser lamp 300 passes through the hollow hole 123.
Specifically, the hollow hole 123 is communicated with the assembly gap 121, so that the infrared laser beam of the infrared laser lamp 300 passes through the assembly gap 121 and the hollow hole 123. The through hole 123 can increase the transmission area of the infrared laser beam, so that the irradiation range of the infrared laser beam is wider, the area where the finger receives the infrared laser beam is larger, and the infrared sensing fingerprint module 400 acquires a fingerprint image.
The bending extension portion 122 is provided with a plurality of the hollow holes 123, the hollow holes 123 are in a slit shape, the plurality of the hollow holes 123 are arranged side by side, and the extension direction is perpendicular to the edge of the non-display area 112. The plurality of hollowed-out holes 123 are in a slit shape, so as to increase the area of the bending extension portion 122 penetrating through the infrared laser beam, ensure the strength of the circuit board 120, and avoid the circuit board 120 from being broken. Of course, in other embodiments, the plurality of hollow holes 123 may be arranged in an array on the bending extension 122.
Through the infrared laser beam warp of infrared laser lamp 300 the circuit board 120 with equipment clearance 121 between the frame 210 jets out, infrared induction fingerprint module 400 set up in under the display area 111 of display screen 110, the warp display screen 110 acquires the fingerprint detection signal, and the fingerprint detection signal is formed through display screen 110 after the finger is incided by infrared laser beam, makes infrared induction fingerprint module 400 does not occupy non-display area 112, and then has increased display area 111 screen of display screen 110 accounts for the ratio.
In summary, although the present application has been described with reference to the preferred embodiments, the present application is not limited to the preferred embodiments, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present application, so that the protection scope of the present application is determined by the scope of the appended claims.
Claims (10)
1. An electronic device, characterized in that, electronic device includes display screen subassembly, center, infrared laser lamp and infrared induction fingerprint module, the display screen subassembly includes display screen and circuit board, the display screen has display area and connects the non-display area of display area, the circuit board is connected the non-display area, the center is relative the display screen is fixed to be equipped with and enclose the frame that fits in display screen week side, there is the equipment clearance between circuit board and the frame, the infrared laser lamp is fixed in the center orientation the display screen one side, the infrared laser lamp can be towards the equipment clearance transmission infrared laser beam, the infrared induction fingerprint module is fixed in the display screen with between the center, the orthographic projection of infrared induction fingerprint module at the display screen is located in the display area, but infrared induction fingerprint module response fingerprint detected signal, wherein, fingerprint detected signal by infrared laser beam incides to the finger after, from the fingerprint outgoing of finger and see through form behind the display screen.
2. The electronic device according to claim 1, wherein the circuit board includes a bent extension portion extending from a side of the non-display region away from the display region, and a laminated portion connecting the bent extension portion and laminated with the display screen, the laminated portion is located between the display screen and the middle frame, and the assembly gap is present between the bent extension portion and the bezel.
3. The electronic device of claim 2, wherein the display screen assembly further comprises a cover plate, the cover plate is attached to the display screen, an ink layer is disposed on a surface of the cover plate facing the display screen, the ink layer covers the non-display area and the bending extension portion, the ink layer further covers the infrared laser lamp, and the frame is fixedly connected to a peripheral edge of the cover plate.
4. The electronic device according to claim 2, further comprising a main board fixed between the middle frame and the display screen, wherein the laminated portion is connected to the main board.
5. The electronic device of claim 2, wherein the bend extension is provided with a hollowed-out hole through which an infrared laser beam of the infrared laser lamp passes.
6. The electronic device according to claim 5, wherein the bending extension portion is provided with a plurality of the hollow holes, the hollow holes are in a slit shape, the plurality of the hollow holes are arranged side by side, and an extension direction of the plurality of the hollow holes is perpendicular to an edge of the non-display area.
7. The electronic device according to any one of claims 1 to 6, wherein the middle frame further comprises a middle plate fixedly connected to the side frame and opposite to the display screen, and the infrared laser lamp is fixed to a surface of the middle plate facing the display screen.
8. The electronic device according to any one of claims 1 to 6, wherein an emission angle of the infrared laser lamp emitting the infrared laser beam is less than 30 °.
9. The electronic device according to any one of claims 1 to 6, wherein the infrared sensing module is provided with an infrared sensing surface, the infrared sensing surface faces the display screen, and the infrared sensing module receives the fingerprint detection signal through the infrared sensing surface.
10. The electronic device of any one of claims 1-6, wherein the display screen comprises two opposing long sides and two opposing short sides, the circuit board is connected to the short sides of the display screen, and the infrared laser light is adjacent to the short sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911373000.5A CN111107201B (en) | 2019-12-26 | 2019-12-26 | Electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911373000.5A CN111107201B (en) | 2019-12-26 | 2019-12-26 | Electronic device |
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| Publication Number | Publication Date |
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| CN111107201A true CN111107201A (en) | 2020-05-05 |
| CN111107201B CN111107201B (en) | 2021-08-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911373000.5A Active CN111107201B (en) | 2019-12-26 | 2019-12-26 | Electronic device |
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| CN111107201B (en) | 2021-08-06 |
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