CN110738193A - Electronic device - Google Patents
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- CN110738193A CN110738193A CN201911050104.2A CN201911050104A CN110738193A CN 110738193 A CN110738193 A CN 110738193A CN 201911050104 A CN201911050104 A CN 201911050104A CN 110738193 A CN110738193 A CN 110738193A
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- display screen
- photosensitive
- electronic device
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- 230000003287 optical effect Effects 0.000 claims abstract description 21
- 239000000758 substrate Substances 0.000 claims description 12
- 206010070834 Sensitisation Diseases 0.000 claims description 3
- 230000008313 sensitization Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000005315 distribution function Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
Images
Classifications
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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
- 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
- G06V40/1324—Sensors therefor by using geometrical optics, e.g. using prisms
-
- 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
- G06V40/1347—Preprocessing; Feature extraction
- G06V40/1359—Extracting features related to ridge properties; Determining the fingerprint type, e.g. whorl or loop
Abstract
The invention discloses electronic equipment, which comprises a display screen (100), an optical device (300), wherein the optical device (300) and the display screen (100) are arranged oppositely, the optical device (300) comprises a photosensitive chip (310), the photosensitive chip (310) is provided with at least two photosensitive areas, each photosensitive area faces the display screen (100), a light guide (400) is arranged between the display screen (100) and the photosensitive chip (310), the end of the light guide (400) faces the display screen (100), and the second end of the light guide (400) faces at least photosensitive areas.
Description
Technical Field
The invention relates to the technical field of communication equipment, in particular to kinds of electronic equipment.
Background
The display screen of the electronic device is an important human-computer interaction part, so that the structure of the display screen directly determines whether the user experience of the electronic device is good or not.
Need set up optical devices such as camera, fingerprint identification module among the electronic equipment, these optical devices can realize functions such as shooting, fingerprint identification that correspond. Taking fingerprint identification as an example, most electronic devices only support single-point fingerprint identification at present, but with the continuous upgrade of the demands of consumers, the single-point fingerprint identification mode can not fully meet the demands of the consumers, and multi-point fingerprint identification is in force.
In order to realize multipoint fingerprint identification, the electronic equipment needs to set a plurality of optical devices corresponding to different identification areas, so that the space in the electronic equipment is seriously occupied, and the structural design difficulty of the electronic equipment is increased.
Disclosure of Invention
The invention discloses kinds of electronic equipment, which aims to solve the problem that the structural design of the electronic equipment is difficult.
In order to solve the problems, the invention adopts the following technical scheme:
an electronic device, comprising:
a display screen;
the optical device is arranged opposite to the display screen and comprises a photosensitive chip, the photosensitive chip is provided with at least two photosensitive areas, and each photosensitive area faces the display screen;
the leaded light spare, the leaded light spare sets up the display screen with between the sensitization chip, the th end orientation of leaded light spare the display screen, the second end orientation of leaded light spare is at least the sensitization region.
The technical scheme adopted by the invention can achieve the following beneficial effects:
the electronic equipment disclosed by the invention is provided with the light guide piece, the light sensing chip is provided with a plurality of light sensing areas, parts of light rays passing through different positions of the display screen can directly reach at least light sensing areas, and in addition, parts of light rays can reach other light sensing areas through the light guide piece.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and constitute a part of , illustrate embodiments of the invention and together with the description serve to explain the invention without limiting it, and in which:
fig. 1 is a schematic structural diagram of an electronic device disclosed in an embodiment of the present invention;
FIG. 2 is a cross-sectional view of an electronic device disclosed in an embodiment of the invention;
fig. 3 is a schematic structural diagram of a photosensitive chip in the electronic device disclosed in the embodiment of the present invention.
Description of reference numerals:
100-display screen, 110- th identification area, 120-second identification area, 101- th substrate, 102-second substrate, 103-organic luminescent layer, 103 a-display pixel, 300-optical device, 310-photosensitive chip, 311- th photosensitive area, 312-second photosensitive area, 313-wiring area, 320-light distribution element, 400-light guide, 410- th reflection surface, 420-second reflection surface and 500-finger.
Detailed Description
To make the objects, technical solutions and advantages of the present invention clearer and more complete description of the technical solutions of the present invention will be given below with reference to specific embodiments of the present invention and accompanying drawings.
The technical solutions disclosed in the embodiments of the present invention are described in detail below with reference to the accompanying drawings.
As shown in fig. 1-3, the embodiment of the invention discloses electronic devices, which include a display screen 100, an optical device 300 and a light guide 400.
The display screens 100 are used for displaying, the number of the display screens 100 may be , or may be two, the display screens may include a th display screen and a second display screen, and the th display screen and the second display screen may be arranged in a reverse manner, that is, the th display screen and the second display screen are arranged on two opposite sides of the electronic device, so that the electronic device is of a double-sided screen structure.
The optical device 300 is disposed opposite to the display screen 100, the optical device 300 includes a light sensing chip 310, the light sensing chip 310 has at least two light sensing areas, each light sensing area faces the display screen 100. it should be noted that, when the display screen includes an th display screen and a second display screen, each light sensing area faces the same th display screen or the same second display screen, specifically, the light sensing areas may include a th light sensing area 311 and a second light sensing area 312. the light sensing chip 310 may be rectangular, circular, oval, etc., and the light sensing areas may be rectangular, circular, oval, etc., which are not limited in this embodiment of the present invention.
The light guide 400 is disposed between the display 100 and the photosensitive chip 310, the th end of the light guide 400 faces the display 100, and the second end of the light guide 400 faces at least photosensitive regions, where the light guide 400 can achieve a light guiding effect, specifically, light entering the th end of the light guide 400 can be transmitted in the light guide 400 and finally emitted through the second end of the light guide 400.
The light sensing chip 310 has a plurality of light sensing regions, wherein among light rays passing through display screens 100 at different positions, part can directly reach at least light sensing regions, and part can reach other light sensing regions through the light guide member 400.
Optionally, the light guide member 400 may be a prism, which can reflect light by using the total reflection principle, so that the prism has a better light guide effect, and more light can reach the photosensitive area through the light guide member 400, thereby improving the photosensitive effect of the photosensitive chip 310.
, in an alternative embodiment, the optical device 300 may be a fingerprint recognition module, wherein the display 100 has a plurality of recognition areas, the plurality of recognition areas may include a th recognition area 110 and a second recognition area 120, as mentioned above, the plurality of light sensing areas may include a th light sensing area 311 and a second light sensing area 312, the th light sensing area 311 is opposite to the th recognition area 110, the th end of the light guide 400 faces the second recognition area 120, and the second end faces the second light sensing area 312. referring to the light path direction shown by the arrow in fig. 2, when the user's finger 500 is placed in the th recognition area 110, the light passing through the display 100 reaches the user's finger 500, the light may be reflected to a different degree due to the fingerprint of the finger 500 having a fingerprint valley and a fingerprint ridge, so that the reflected light carries the user's fingerprint information, the light may reach the th light sensing area 311 of the light sensing chip 310, the light may convert the light into an electrical signal and perform a processing operation, and finally obtain fingerprint information, and compare the fingerprint information with the fingerprint information of the light reflected light in the light sensing area of the light sensing chip 310, so as to determine whether the fingerprint information reaches the fingerprint information of the fingerprint, and whether the fingerprint information of the fingerprint information of the fingerprint.
The structure of the light guide member 400 can be flexibly selected, in order to simplify the structure of the light guide member 400, the space occupied by the light guide member 400 is reduced, the light guide member 400 can be arranged into a bar structure, the extending direction of the light guide member 400 is parallel to the display screen 100, at the moment, the space occupied by the light guide member 400 in the thickness direction of the electronic device can be further steps reduced, so that the stacking of other parts in the electronic device is more facilitated, meanwhile, the space of the electronic device in the direction parallel to the display screen 100 is relatively abundant, therefore, the size of the light guide member 400 can be properly increased, so that the light guide member 400 can realize the fingerprint identification at more positions, and the fingerprint identification operation of the electronic device is further facilitated by steps.
Alternatively, the light guide 400 may be provided with a th reflecting surface 410 and a second reflecting surface 420, the th reflecting surface 410 may be specifically disposed at the th end of the light guide 400, the second reflecting surface 420 may be specifically disposed at the second end of the light guide 400, the th reflecting surface 410 faces the second identification area 120, and the second reflecting surface 420 faces the second photosensitive area 312. at this time, after the light reflected by the finger 500 at the second identification area 120 enters the light guide 400, the light is reflected to the second reflecting surface 420 through the th reflecting surface 410, the second reflecting surface 420 further reflects the light to the second photosensitive area 312, so that the photosensitive chip 310 performs the fingerprint identification operation.
, the reflective surface 410 and the second reflective surface 420 can be both configured as planes and parallel to each other, at this time, the light guide 400 is simpler in structure, and the propagation direction of light in the light guide 400 is more controllable, thereby facilitating the configuration of the components such as the photosensitive chip 310, and the like, further , the reflective surface 410 can be 45 ° from the display 100, the second reflective surface 420 can be 45 ° from the display 100, the plane where the photosensitive chip 310 is located can be parallel to the display 100, and the electronic device can provide more sufficient space for the photosensitive chip 310 in the direction parallel to the display 100, so that the size of the photosensitive chip 310 can be appropriately increased, thereby improving the photosensitive effect of the photosensitive chip 310, and optimizing the working performance of the optical device 300.
In another embodiments, the optical device 300 may be a camera, in which case the display 100 has a plurality of light-transmitting regions, the light-transmitting regions may include a th light-transmitting region and a second light-transmitting region, and as mentioned above, the plurality of light-transmitting regions may include a th light-sensing region 311 and a second light-sensing region 312, the th light-sensing region 311 is opposite to the th light-transmitting region, the th end of the light guide 400 faces the second light-transmitting region, and the second end of the light guide 400 faces the second light-sensing region 312, where the th light-transmitting region and the second light-transmitting region may both allow light to pass therethrough, so that light in the external environment may enter the th light-sensing region 311 of the light-sensing chip 310 through the th light-transmitting region, thereby achieving a photographing operation around the th light-transmitting region, and light in the external environment may reach the second light-sensing region 312 of the light-sensing chip 310 through the light guide 400, thereby achieving a photographing operation around the second light-transmitting region.
Of course, the optical device 300 may be other devices besides the fingerprint identification module and the camera, for example, an infrared fill light.
In , in an embodiment, the optical device 300 may further include a light distribution element 320, where the light distribution element 320 is disposed between the display screen 100 and the light sensing chip 310, optionally, the light distribution element 320 may include at least of a lens, a collimator, and a filter, and certainly, the light distribution element 320 may further include other elements having a light distribution function, which is not limited herein.
Considering that the propagation direction of the light guided by the light guide 400 has uncertainty, in order to improve the light sensing effect of the second light sensing region 312, a portion of the light distribution element 320 may be located between the second end of the light guide 400 and the light sensing chip 310, so that the light distribution element 320 may further change the propagation direction of the light emitted from the light guide 400, so that the second light sensing region 312 senses the light guided by the light guide 400 more accurately and efficiently, at this time, another portion of the light distribution element 320 may be located between the display screen 100 and the -th light sensing region 311, so that the light distribution element 320 may also distribute light passing through another position of the display screen 100, thereby enhancing the light distribution effect of the light distribution element 320.
In the embodiment of the invention, the display panel 100 may adopt a liquid crystal display panel or an Organic Light Emitting display panel, when the display panel 100 adopts an Organic Light Emitting display panel, the display panel 100 may include a th substrate 101, a second substrate 102 and an Organic Light Emitting layer 103, the Organic Light Emitting layer 103 is disposed between the th substrate 101 and the second substrate 102, the Organic Light Emitting layer 103 may include a plurality of display pixels 103a, and the display pixels 103a may be controlled by a program to emit Light, the th substrate 101 and the second substrate 102 may both adopt glass plates, both of which may protect the Organic Light Emitting layer 103 and may also serve as a basis for disposing other components of the display panel 100.
Optionally, each photosensitive region of the photosensitive chip 310 may be separately disposed, but in order to facilitate processing of the photosensitive chip 310, the size of the photosensitive chip 310 is reduced as much as possible under the condition of forming the same photosensitive area, and type photosensitive regions may be formed in each photosensitive region, that is, each photosensitive region is in direct contact with each other, and a corresponding portion of each photosensitive region may be shaped like a body.
The electronic device disclosed by the embodiment of the invention can be a smart phone, a tablet computer, an electronic book reader or a wearable device. Of course, the electronic device may also be other devices, and the embodiment of the present invention is not limited thereto.
In the above embodiments of the present invention, the difference between the embodiments is mainly described, and different optimization features between the embodiments can be combined to form a better embodiment as long as they are not contradictory, and further description is omitted here in view of brevity of the text.
The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (11)
- An electronic device of the type , comprising:a display screen (100);an optical device (300), wherein the optical device (300) is arranged opposite to the display screen (100), the optical device (300) comprises a photosensitive chip (310), the photosensitive chip (310) is provided with at least two photosensitive areas, and each photosensitive area faces to the display screen (100);light guide (400), light guide (400) set up display screen (100) with between sensitization chip (310), the th end orientation of light guide (400) display screen (100), the second end orientation of light guide (400) is at least the photosensitive region.
- 2. The electronic device of claim 1, wherein the optical device (300) is a fingerprint recognition module, the display screen (100) has a plurality of identification regions, the plurality of identification regions includes an th identification region (110) and a second identification region (120), the plurality of photosensitive regions includes a th photosensitive region (311) and a second photosensitive region (312), the th photosensitive region (311) is opposite to the th identification region (110), the th end faces the second identification region (120), and the second end faces the second photosensitive region (312).
- 3. The electronic device of claim 2, wherein the light guide (400) is a strip structure, and the light guide (400) extends parallel to the display screen (100).
- 4. The electronic device of claim 2, wherein the light guide (400) has an th reflective surface (410) and a second reflective surface (420), the th reflective surface (410) facing the second identification area (120), the second reflective surface (420) facing the second photosensitive area (312).
- 5. The electronic device of claim 4, wherein the -th reflective surface (410) and the second reflective surface (420) are both planar and parallel to each other.
- 6. The electronic device of claim 1, wherein the optical device (300) is a camera, the display screen (100) has a plurality of light-transmissive regions, the plurality of light-transmissive regions includes an th light-transmissive region and a second light-transmissive region, the plurality of light-transmissive regions includes a th light-sensitive region (311) and a second light-sensitive region (312), the th light-sensitive region (311) is opposite to the th light-transmissive region, the th end faces the second light-transmissive region, and the second end faces the second light-sensitive region (312).
- 7. The electronic device of claim 1, wherein the optical device (300) further comprises a light distribution element (320), the light distribution element (320) being disposed between the display screen (100) and the light sensing chip (310).
- 8. The electronic device according to claim 7, wherein the portion of the light distribution element (320) is located between the second end and the light sensing chip (310).
- 9. The electronic device of claim 7, wherein the light distribution element (320) comprises at least of a lens, a collimator, and a filter.
- 10. The electronic device of claim 1, wherein the display screen (100) comprises an th substrate (101), a second substrate (102), and an organic light emitting layer (103), the organic light emitting layer (103) being disposed between the th substrate (101) and the second substrate (102).
- 11. The electronic device of claim 1, wherein the photo-sensing chip (310) further has a trace region (313), the photo-sensing regions collectively forming body type photo-sensing regions, the trace region (313) surrounding the body type photo-sensing regions.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911050104.2A CN110738193B (en) | 2019-10-31 | 2019-10-31 | Electronic equipment |
| PCT/CN2020/124520 WO2021083231A1 (en) | 2019-10-31 | 2020-10-28 | Electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911050104.2A CN110738193B (en) | 2019-10-31 | 2019-10-31 | Electronic equipment |
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| Publication Number | Publication Date |
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| CN110738193A true CN110738193A (en) | 2020-01-31 |
| CN110738193B CN110738193B (en) | 2024-01-12 |
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| CN201911050104.2A Active CN110738193B (en) | 2019-10-31 | 2019-10-31 | Electronic equipment |
Country Status (2)
| Country | Link |
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| CN (1) | CN110738193B (en) |
| WO (1) | WO2021083231A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021083231A1 (en) * | 2019-10-31 | 2021-05-06 | 维沃移动通信有限公司 | Electronic equipment |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114244940A (en) * | 2022-01-11 | 2022-03-25 | Oppo广东移动通信有限公司 | Under-screen identification assembly and electronic equipment |
| CN117058724A (en) * | 2022-05-07 | 2023-11-14 | 华为技术有限公司 | Fingerprint identification device and electronic equipment |
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| Publication number | Publication date |
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| WO2021083231A1 (en) | 2021-05-06 |
| CN110738193B (en) | 2024-01-12 |
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