CN111314511B - Display device - Google Patents

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Publication number
CN111314511B
CN111314511B CN202010108350.5A CN202010108350A CN111314511B CN 111314511 B CN111314511 B CN 111314511B CN 202010108350 A CN202010108350 A CN 202010108350A CN 111314511 B CN111314511 B CN 111314511B
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China
Prior art keywords
light
transmitting
display device
full
sub
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Active
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CN202010108350.5A
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Chinese (zh)
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CN111314511A (en
Inventor
张�浩
王景泉
王博
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BOE Technology Group Co Ltd
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BOE Technology Group Co Ltd
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Priority to CN202010108350.5A priority Critical patent/CN111314511B/en
Publication of CN111314511A publication Critical patent/CN111314511A/en
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Publication of CN111314511B publication Critical patent/CN111314511B/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/02Constructional features of telephone sets
    • H04M1/0202Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026Details of the structure or mounting of specific components
    • H04M1/0266Details of the structure or mounting of specific components for a display module assembly
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10KORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00

Abstract

The invention relates to the technical field of display equipment, and discloses a display device, which comprises a comprehensive screen and a face recognition module formed under the comprehensive screen, wherein: the face recognition module comprises an emitting end used for emitting detection light to the face and a receiving end used for receiving the detection light reflected by the face; a first light-transmitting area opposite to the emitting end and allowing the detection light to penetrate through and a second light-transmitting area opposite to the receiving end and allowing the detection light to pass through are formed on the whole screen. The display device increases the face recognition function and simultaneously reduces the influence on the display quality of the overall screen.

Description

Display device
Technical Field
The invention relates to the technical field of display equipment, in particular to a display device.
Background
Mobile phones with face recognition in the current market all adopt a bang screen for display, the bang position is used for placing a fingerprint recognition module and other sensors, but the bang occupies the area of the screen; the full-screen mobile phone does not adopt a face recognition function, and mainly uses a fingerprint recognition function, and the finger recognition position is on the screen or at the back of the mobile phone. Therefore, the existing full-screen mobile phone can not realize face recognition on the premise of not occupying the screen area.
Disclosure of Invention
The invention provides a display device, which reduces the influence on the display quality of a full screen while increasing the face recognition function.
In order to achieve the purpose, the invention provides the following technical scheme:
a display device comprises a full screen and a face recognition module formed under the full screen, wherein:
the face recognition module comprises an emitting end for emitting detection light to the face and a receiving end for receiving the detection light reflected by the face;
the full-face screen is provided with a first light-transmitting area opposite to the emitting end and allowing the detection light to penetrate through and a second light-transmitting area opposite to the receiving end and allowing the detection light to pass through.
The display device provided by the invention comprises a full-face screen and a face recognition module arranged below the full-face screen, so that the display device has a face recognition unlocking function, wherein the face recognition module comprises a transmitting end and a receiving end, the transmitting end needs to transmit detection light to a face through a first light-transmitting area on the full-face screen, the detection light reflected by the face is received by the receiving end after passing through a second light-transmitting area on the full-face screen, and the face recognition module controls whether the full-face screen is unlocked according to the detection light received by the receiving end. According to the display device provided by the invention, the first light-transmitting area and the second light-transmitting area are arranged on the full screen, and the face recognition module is arranged under the full screen, so that the face recognition unlocking of the full screen is realized, the face recognition module is arranged under the full screen, the area of the full screen is not occupied, the first light-transmitting area and the second light-transmitting area are used for detecting the passing of light, the occupied area of the screen is small, and compared with the Liuhai screen in the prior art, the influence of the first light-transmitting area and the second light-transmitting area on the display effect of the full screen is greatly reduced.
Preferably, the full-face screen is provided with a first hole to form a first light-transmitting area, and the full-face screen is provided with a second hole to form a second light-transmitting area.
Preferably, the drive circuit in the full-face screen is provided with a first avoidance area to form a first light transmission area, the drive circuit in the full-face screen is provided with a second avoidance area to form a second light transmission area, and the first light transmission area and the second light transmission area are both provided with transparent pixel structures.
Preferably, the first light-transmitting area and the second light-transmitting area are respectively formed at two adjacent corners of the full panel.
Preferably, the first and second light-transmitting regions have a circular cross-section.
Preferably, the first and second light-transmitting regions have a cross-sectional diameter of 0.5mm to 1 mm.
Preferably, the full-face screen further comprises a plurality of first sub-light-transmitting areas arranged in an array and formed around the first light-transmitting area, and a plurality of second sub-light-transmitting areas arranged in an array and formed around the second light-transmitting area.
Preferably, the full-face screen is provided with a plurality of third holes to form a plurality of the first sub light-transmitting areas, and the full-face screen is provided with a plurality of fourth holes to form a plurality of the second sub light-transmitting areas.
Preferably, the driving circuit in the full-face screen is provided with a plurality of third avoidance areas to form a plurality of first sub-light-transmitting areas, the driving circuit in the full-face screen is provided with a plurality of fourth avoidance areas to form a plurality of second sub-light-transmitting areas, and the first sub-light-transmitting areas and the second sub-light-transmitting areas are both provided with transparent pixel structures.
Preferably, the cross sections of the first light transmission region and the second light transmission region are square, and the cross sections of each of the first sub light transmission region and the second sub light transmission region are square.
Preferably, the length of side of the cross section of first printing opacity region, second printing opacity region is 500um to 1000um, each first sub-printing opacity region and each the length of side of the cross section of second sub-printing opacity region is 20um to 100 um.
Preferably, the face recognition module is a structured light type face recognition module or a TOF type face recognition module.
Drawings
Fig. 1 is a schematic front view structure diagram of a first display device according to the present invention;
fig. 2 is a schematic bottom view of a first display device according to the present invention;
FIG. 3 is a schematic front view of a second display device according to the present invention;
fig. 4 is a schematic bottom view of a second display device according to the present invention;
FIG. 5 is a schematic structural diagram of a front view of an arrangement of pixel electrodes in the display device according to the present invention;
fig. 6 is a schematic bottom view of the arrangement of the pixel electrodes in the display device according to the present invention.
Icon:
1-full screen; 2-a transmitting end; 3-a receiving end; 4-a first well; 5-a second well; 6-a third aperture; 7-a fourth well; 8-pixel structure; 9-a drive circuit; and 10, a face recognition module.
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 only a part of the embodiments of the present invention, and not all of the embodiments. 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.
Referring to fig. 1, fig. 2, fig. 3 and fig. 4, the present invention provides a display device, including a full-screen 1 and a face recognition module 10 formed under the full-screen 1, wherein:
the face recognition module 10 comprises an emitting end 2 for emitting detection light to a face and a receiving end 3 for receiving the detection light reflected by the face;
the full-face screen 1 is formed with a first light-transmitting area opposite to the emitting end 2 for the transmission of the detection light and a second light-transmitting area opposite to the receiving end 3 for the transmission of the detection light.
The display device provided by the invention comprises a full-face screen 1 and a face recognition module 10 arranged below the full-face screen 1, so that the display device has a face recognition unlocking function, wherein the face recognition module 10 comprises a transmitting end 2 and a receiving end 3, the transmitting end 2 needs to transmit detection light to a face through a first light-transmitting area on the full-face screen 1, the detection light reflected by the face is received by the receiving end 3 after passing through a second light-transmitting area on the full-face screen 1, and the face recognition module 10 controls whether the full-face screen 1 is unlocked according to the detection light received by the receiving end 3. According to the display device provided by the invention, the first light-transmitting area and the second light-transmitting area are arranged on the comprehensive screen 1, and the face recognition module 10 is arranged under the comprehensive screen 1, so that the face recognition unlocking of the comprehensive screen 1 is realized, the face recognition module 10 is arranged under the comprehensive screen 1, the area of the comprehensive screen 1 is not occupied, the first light-transmitting area and the second light-transmitting area are used for detecting the passing of light, the occupied area of the screen is small, and compared with the Liuhai screen in the prior art, the influence of the first light-transmitting area and the second light-transmitting area on the display effect of the comprehensive screen 1 is greatly reduced.
In a first embodiment, as shown in fig. 1 and 2, the full-face screen 1 is provided with first holes 4 to form first light-transmitting areas, and the full-face screen 1 is provided with second holes 5 to form second light-transmitting areas.
In this embodiment, by providing the first hole 4 and the second hole 5 on the full-face screen 1 to make the detection light penetrate through the full-face screen 1, the full-face screen 1 does not display at the positions of the first hole 4 and the second hole 5, but the first hole 4 and the second hole 5 occupy a small area of the screen, and compared with the bang screen in the prior art, the influence of the first hole 4 and the second hole 5 on the display effect of the full-face screen 1 is obviously reduced.
In a second embodiment, as shown in fig. 5 and 6, the driving circuit 9 in the full panel 1 is provided with a first avoidance area to form a first light-transmitting area, the driving circuit 9 in the full panel 1 is provided with a second avoidance area to form a second light-transmitting area, and the first light-transmitting area and the second light-transmitting area are both formed with the transparent pixel structure 8.
In this embodiment, the transparent pixel structures 8 are disposed in the first light-transmitting area and the second light-transmitting area, that is, the pixel structures 8 in the first light-transmitting area and the second light-transmitting area are normally arranged only by selecting transparent materials for the pixel structures 8 in the first light-transmitting area and the second light-transmitting area, so that the first light-transmitting area and the second light-transmitting area can still display while ensuring the light-transmitting effect; in order to further ensure the light transmission effect, the driving circuit 9 is not arranged in the first light transmission area and the second light transmission area, the driving circuit 9 is arranged around the first light transmission area and the second light transmission area, the driving circuit 9 forms a first avoiding area at the position of the first light transmission area and a second avoiding area at the position of the second light transmission area, the driving circuit 9 can drive the pixels without influencing the light transmission effect, when the human face recognition is carried out, the driving circuit 9 controls the transparent pixel structures 8 positioned in the first light transmission area and the second light transmission area not to display so as to facilitate the detection light to transmit through the whole screen 1 to carry out the human face recognition, after the face recognition is completed and the screen 1 is completely unlocked, the driving circuit 9 drives the transparent pixel structures 8 located in the first light transmission area and the second light transmission area to display, so that the display effect of the screen 1 is ensured.
Transparent pixel structure 8 in first printing opacity region and the second printing opacity region can choose for use the PMOLED display mode of passive luminous demonstration, compares with the AMOLED display mode of initiative luminescence, and the pixel circuit of PMOLED display mode is simpler, and area occupied is littleer, more is favorable to detecting the seeing through of light to make full face screen 1 reach better display effect when realizing face identification.
Specifically, as shown in fig. 1 and 3, the first light-transmitting area and the second light-transmitting area are formed at two adjacent corners of the full-face screen 1, respectively.
First printing opacity is regional and the second printing opacity is regional can set up respectively in the upper left corner and the upper right corner of full face screen 1, and the transmitting terminal 2 will detect light and send to the people face and be convenient for receiving terminal 3 to receive the detection light by the reflection of people face when being convenient for like this at face identification to make face identification module 10's effect better.
Specifically, as shown in fig. 1 and 2, the first and second light-transmitting regions have a circular cross section.
In the display device provided by the invention, the cross sections of the first light-transmitting area and the second light-transmitting area in the full screen 1 can be circular, the diameters of the cross sections of the first light-transmitting area and the second light-transmitting area can be 0.5mm to 1mm, the larger the areas of the cross sections of the first light-transmitting area and the second light-transmitting area are, the better the light-transmitting effect is, the higher the recognition efficiency of the face recognition module 10 is, but at the same time, the display effect of the full screen 1 can be reduced along with the increase of the cross sections of the first light-transmitting area and the second light-transmitting area, so that the diameters with proper sizes can be selected according to the actual display requirements and the requirements of face recognition.
In the display device provided by the present invention, as shown in fig. 3 and 4, the full-screen 1 further includes a plurality of first sub light transmission regions arranged in an array formed around the first light transmission region and a plurality of second sub light transmission regions arranged in an array formed around the second light transmission region.
The detection light has a lot of losses after the first printing opacity is regional and the second printing opacity is regional of full-face screen 1, consequently can set up the first sub printing opacity region that a plurality of arrays were arranged around first printing opacity region, set up the second sub printing opacity region that a plurality of arrays were arranged around the second printing opacity region, the effect of supplementary increase light transmission amount can be realized to a plurality of first sub printing opacity regions and a plurality of second sub printing opacity regions, thereby make face identification module 10's recognition effect better.
In a third embodiment, as shown in fig. 3 and 4, the full panel 1 is provided with a plurality of third holes 6 to form a plurality of first sub light-transmitting areas, and the full panel 1 is provided with a plurality of fourth holes 7 to form a plurality of second sub light-transmitting areas.
In this kind of embodiment, through set up a plurality of third holes 6 and fourth hole 7 on full screen 1 so that the detection light passes through full screen 1, full screen 1 does not show at the position department of each third hole 6 and fourth hole 7, but the area of each third hole 6 and the shared screen of fourth hole 7 is very little, compares with the bang screen among the prior art, increases a plurality of third holes 6 and fourth hole 7 and obviously reduces to the influence of full screen 1 display effect.
In the fourth embodiment, the driving circuit 9 in the full panel 1 is provided with a plurality of third avoidance areas to form a plurality of first sub light transmission areas, the driving circuit 9 in the full panel 1 is provided with a plurality of fourth avoidance areas to form a plurality of second sub light transmission areas, and each of the first sub light transmission areas and each of the second sub light transmission areas are formed with a transparent pixel structure 8.
In this embodiment, each of the first sub-transmissive regions and each of the second sub-transmissive regions are provided with a transparent pixel structure 8, that is, the pixel structures 8 in each of the first sub-transmissive regions and each of the second sub-transmissive regions are normally arranged only by selecting transparent materials for the pixel structures 8 in each of the first sub-transmissive regions and each of the second sub-transmissive regions, so that each of the first sub-transmissive regions and each of the second sub-transmissive regions can still display while ensuring a light transmission effect; in order to further ensure the light transmission effect, the driving circuit 9 is not arranged in each first sub light transmission area and each second sub light transmission area, the driving circuit 9 is arranged around each first sub light transmission area and each second sub light transmission area, the driving circuit 9 forms a first avoidance area at the position of each first sub light transmission area and a second avoidance area at the position of each second sub light transmission area, the driving circuit 9 can drive pixels without influencing the light transmission effect, when the face recognition is carried out, the driving circuit 9 controls the transparent pixel structures 8 positioned in each first sub light transmission area and each second sub light transmission area not to display so as to detect that light transmits through the whole face screen 1 to carry out the face recognition, after the face recognition is finished and the whole face screen 1 is unlocked, the driving circuit 9 drives the transparent pixel structures 8 positioned in each first sub light transmission area and each second sub light transmission area to display, to ensure the display effect of the full screen 1.
Transparent pixel structure 8 in first printing opacity area, second printing opacity area, each first sub-printing opacity area and each second sub-printing opacity area can choose for use the PMOLED display mode of passive luminous demonstration, compares with the luminous AMOLED display mode of initiative, and the pixel circuit of PMOLED display mode is simpler, and area occupied is littleer, more is favorable to detecting the seeing through of light to make full face screen 1 reach better display effect when realizing face identification.
Specifically, as shown in fig. 3 and 4, the cross sections of the first light transmission region and the second light transmission region are square, and the cross sections of each of the first sub light transmission region and the second sub light transmission region are square.
In the display device provided by the invention, the sections of the first light-transmitting area, the second light-transmitting area, each first sub light-transmitting area and each second sub light-transmitting area are all square, so that the neat arrangement is facilitated, and the display device is more attractive.
In the display device provided by the invention, the cross sections of the first light-transmitting area and the second light-transmitting area in the full screen 1 can be square, the side lengths of the cross sections of the first light-transmitting area and the second light-transmitting area can be 500um to 1000um, the cross sections of each first sub light-transmitting area and each second sub light-transmitting area are square, the side lengths of the cross sections of each first sub light-transmitting area and each second sub light-transmitting area can be 20um to 100um, the larger the area of the cross sections of each first sub light-transmitting area and each second sub light-transmitting area of the first light-transmitting area and the second light-transmitting area is, the better the light-transmitting effect is, the higher the recognition efficiency of the face recognition module 10 is, but at the same time, the display effect of the full screen 1 can be reduced along with the increase of the cross sections of the first light-transmitting area, the second light-transmitting area, each first sub light-transmitting area and each second sub light-transmitting area, therefore, the proper size can be selected according to the actual display requirement and the requirement of face recognition.
Specifically, as shown in fig. 2, the face recognition module 10 is a structured light type face recognition module 10, or as shown in fig. 4, the face recognition module 10 is a TOF type face recognition module 10.
In the display device provided by the present invention, the face recognition module 10 may be a structured light face recognition module 10 that emits an array point light source, or may be a TOF face recognition module 10 that emits a surface light source, when the TOF face recognition module 10 that emits a surface light source is selected, the setting manner in the third embodiment or the fourth embodiment of the present invention is selected, and the addition of the plurality of first sub light transmission regions and the plurality of second sub light transmission regions is more favorable for increasing the transmission of the detection light emitted from the emission end 2, so that the face recognition effect is better.
It will be apparent to those skilled in the art that various changes and modifications may be made in the embodiments of the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (11)

1. The display device is characterized by comprising a full screen and a face recognition module formed under the full screen, wherein:
the face recognition module comprises an emitting end for emitting detection light to the face and a receiving end for receiving the detection light reflected by the face;
a first light-transmitting area opposite to the emitting end and allowing the detection light to pass through and a second light-transmitting area opposite to the receiving end and allowing the detection light to pass through are formed on the full-face screen;
drive circuit in the full screen is equipped with the first district of dodging in order to form first printing opacity region, drive circuit in the full screen is equipped with the second and dodges the district in order to form second printing opacity region, first printing opacity region with second printing opacity region all is formed with transparent pixel structure.
2. The display device according to claim 1, wherein the full panel is provided with a first hole to form a first light-transmitting area, and the full panel is provided with a second hole to form a second light-transmitting area.
3. The display device according to claim 1, wherein the first light-transmitting region and the second light-transmitting region are formed at two corners adjacent to the full panel, respectively.
4. The display device according to claim 1 or 2, wherein the first light-transmitting region and the second light-transmitting region have a circular cross section.
5. The display device according to claim 4, wherein a diameter of a cross section of the first light-transmitting region and the second light-transmitting region is 0.5mm to 1 mm.
6. The display device according to claim 1, wherein the full panel further comprises a plurality of first sub light-transmitting regions arranged in an array formed around the first light-transmitting region and a plurality of second sub light-transmitting regions arranged in an array formed around the second light-transmitting region.
7. The display device according to claim 6, wherein the full panel is provided with a plurality of third holes to form a plurality of the first sub light transmission regions, and the full panel is provided with a plurality of fourth holes to form a plurality of the second sub light transmission regions.
8. The display device according to claim 6, wherein the driving circuit in the full panel is provided with a plurality of third escape regions to form a plurality of first sub transmission regions, and the driving circuit in the full panel is provided with a plurality of fourth escape regions to form a plurality of second sub transmission regions, and wherein each of the first sub transmission regions and each of the second sub transmission regions are formed with a transparent pixel structure.
9. The display device according to claim 7 or 8, wherein the first and second light-transmitting regions have a square cross section, and each of the first and second sub light-transmitting regions has a square cross section.
10. The display device according to claim 9, wherein a side length of a cross section of each of the first and second light-transmitting regions is 500um to 1000um, and a side length of a cross section of each of the first and second sub light-transmitting regions is 20um to 100 um.
11. The display device according to claim 1, wherein the face recognition module is a structured light face recognition module or a TOF face recognition module.
CN202010108350.5A 2020-02-21 2020-02-21 Display device Active CN111314511B (en)

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CN111314511B true CN111314511B (en) 2021-09-10

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