Specific embodiment
The embodiments of the present invention is described below in detail, the example of the embodiment is shown in the accompanying drawings, wherein
Same or similar label indicates same or similar element or element with the same or similar functions from beginning to end.Lead to below
It crosses the embodiment being described with reference to the drawings to be exemplary, is only used for explaining the utility model, and should not be understood as practical to this
Novel limitation.
Electronic equipment, such as mobile phone or tablet computer etc., in the related art, be arranged on electronic equipment close to sensing
Device needs open up corresponding hole on casing with optical signal for transmitting and receiving, but with the development of electronic equipment, people
The requirement of appearance and operating experience to mobile phone is higher and higher.Mobile phone develops to comprehensive screen direction, and screen mobile phone exists comprehensively
Ultra-narrow frame is formed between casing and light transmission display screen component may not have enough since the width of ultra-narrow frame is too small
Space opens up hole, even if aperture also leads to the strength reduction of frame entirety, and then keeps the reliability of electronic equipment lower.
It please refers to Fig.1 to Fig.3, the electronic device 100 of the embodiments of the present invention includes shell 20, electronic device
100 can be mobile phone or tablet computer etc..The electronic device 100 of the utility model embodiment takes the mobile phone as an example
It is bright, certainly, the concrete form of electronic device 100 be also possible to it is other, herein with no restrictions.
Electronic device 100 includes light transmission display screen 12, protective layer 14, proximity sensor 16 and processor 18.Light transmission is shown
Screen 12 includes upper surface 122 and lower surface 124.The lower surface 124 of light transmission display screen 12, protective layer 14 is arranged in protective layer 14
With the first unthreaded hole 142 and the second unthreaded hole 144 for running through protective layer 14, the first unthreaded hole 142 and the second unthreaded hole 144 interval are arranged,
Wherein, the center of the first unthreaded hole 142 and the second unthreaded hole 144 is 3.4-3.6mm away from A, and the diameter B of the first unthreaded hole 142 is 2.6-
2.9mm, the diameter C of the second unthreaded hole 144 are 2.3-2.6mm.Proximity sensor 16 includes optical transmitting set 162 and optical receiver 164,
Optical transmitting set 162 emits light to outside light transmission display screen 12 by the first unthreaded hole 142, and optical receiver 164 passes through the second unthreaded hole 144
Receive the light for passing through the second unthreaded hole 144.Processor 18 controls light transmission display screen 12 according to the received light of optical receiver 164.
It is appreciated that when the diameter B of the first unthreaded hole 142 be less than 2.6mm when, optical transmitting set 162 by the first unthreaded hole 142 to
Emit the limitation that light will receive the diameter B of the first unthreaded hole 142 outside light transmission display screen 12, causes to have some light cannot be by the
One unthreaded hole 142 emits to outside light transmission display screen 12, to be unfavorable for the normal work of optical transmitting set 162;When the first unthreaded hole 142
When diameter B is greater than 2.9mm, since the diameter of the first unthreaded hole 142 is excessive, the first unthreaded hole 142 is caused to be easy to be seen by the user, so that
User experience is poor.Equally, when the diameter C of the second unthreaded hole 144 is less than 2.3mm, optical receiver 164 passes through the second unthreaded hole 144
The limitation that will receive the diameter C of the second unthreaded hole 144 by the light of the second unthreaded hole 144 is received, leads to have some light that cannot lead to
It crosses the second unthreaded hole 144 to be received by optical receiver 164, to be unfavorable for the normal work of optical receiver 164;When the second unthreaded hole 144
Diameter C be greater than 2.6mm when, since the diameter of the second unthreaded hole 144 is excessive, causes the second unthreaded hole 144 to be easy to be seen by the user, make
It is poor to obtain user experience.When the center of the first unthreaded hole 142 and the second unthreaded hole 144 is less than 3.4mm away from A, due to the first unthreaded hole 142
It is too small with 144 spacing of the second unthreaded hole, it will lead to the junction of the first unthreaded hole 142 and the second unthreaded hole 144 compared with cracky;When the first light
When hole 142 and the center of the second unthreaded hole 144 are greater than 3.6mm away from A, since the first unthreaded hole 142 and 144 spacing of the second unthreaded hole are excessive,
It will lead to optical receiver 164 and the cooperating of optical transmitting set 162 be affected, for example optical transmitting set 162 is from the first unthreaded hole 142
It is difficult to reach optical receiver 164 from the second unthreaded hole 144 after the light reflection launched.
In summary, the center of the first unthreaded hole 142 and the second unthreaded hole 144 away from A be 3.4-3.6mm, the first unthreaded hole 142 it is straight
Diameter B is 2.6-2.9mm, and when the diameter C of the second unthreaded hole 144 is 2.3-2.6mm, optical transmitting set 162 is launched from the first unthreaded hole 142
Optical receiver 164 can be reached from the second unthreaded hole 144 after the light reflection gone, in addition, the first unthreaded hole 142 and the second unthreaded hole 144
In dimensions above range, guarantee that proximity sensor 16 emits enough light to outside light transmission display screen 12, and even if close
Sensor 16 is blocked in upper surface 122 by black object, and light is still had enough light from the after being absorbed by black object parts
Two unthreaded holes 144 reach optical receiver 164, and processor 18 can accurately judge that proximity sensor 16 is blocked.In addition, the first light
When 144 dimensions above range of hole 142 and the second unthreaded hole, user is difficult to discover by the first unthreaded hole 142 and the second unthreaded hole 144 close
The experience of user can be improved in the presence of sensor 16.
In some embodiments, the center of the first unthreaded hole 142 and the second unthreaded hole 144 is 3.45mm away from A.
In some embodiments, the diameter B of the first unthreaded hole 142 is 2.8mm.
In some embodiments, the diameter C of the second unthreaded hole 144 is 2.5mm.
In this way, can user be difficult to discover proximity sensor 16 there are while, allow optical transmitting set 162 from
First unthreaded hole 142 emits enough light, and optical receiver 164 can receive enough first light-operated 142 by the second unthreaded hole 144
Launch and light through reflection, to make proximity sensor 16 when upper surface 122 is blocked by black object, processor 18 can
Accurately to judge that proximity sensor 16 is blocked.
Table 1
Table 1 is the difference contrast table of the brightness for the infrared light that proximity sensor receives before and after changing hole.Wherein, difference refers to
Proximity sensor receives the brightness of infrared light when no any object is blocked and receives infrared light when there is object to block
Brightness difference, unit is nit, 1 nit (nit)=1 candela/square metre (cd/m2).In addition, when not changing hole, first
The diameter of unthreaded hole and the second unthreaded hole is 2.2mm, and after Kong Gai great, the diameter B of the first unthreaded hole 142 is 2.8mm, the second unthreaded hole 144
Diameter C is 2.5mm.It is worth noting that, number be participate in test multiple electronic devices mark, to multiple electronic devices into
Row tests available multiple groups difference data, may thereby determine that whether difference data is stable.
From table 1 it follows that having 7 difference datas is 0, and in other words, proximity sensor is not having when not changing hole
The brightness of infrared light is received when any object is blocked and the brightness that infrared light is received when there is object to block is equal in magnitude, because
This, can not determine bottom either with or without object at this time and block proximity sensor.When not changing hole, the difference data for being 0 in addition to these
Outside, other difference datas be distributed in mostly 150 hereinafter, and 150 difference is too small, proximity sensor hides in no any object
The difference that the brightness and the brightness that infrared light is received when there is object to block of infrared light are received when gear is unobvious, is unfavorable for sentencing
It is disconnected whether to there is object to block proximity sensor.
And in Kong Gai great, difference data is distributed in 300 or more mostly, in other words, the close sensing of proximity sensor 16
Device receives the brightness of infrared light and the brightness that infrared light is received when there is object to block when no any object is blocked
Difference is more obvious, and whether facilitate deciding on has object to block proximity sensor.To sum up, by the first unthreaded hole 142 and second
The diameter of unthreaded hole 144 changes greatly from 2.2mm respectively to 2.8mm and 2.5mm, is conducive to the progress that whether is blocked to proximity sensor 16
More accurately judgement.
Referring to Fig. 4, in some embodiments, proximity sensor 16 is infrared sensor, electronic device 100 includes setting
The filter element 11 between lower surface 124 and proximity sensor 16 is set, filter element 11 is used for can through infrared light and interception
Light-exposed, optical transmitting set 162 emits infrared light through filter element 11 and light transmission display screen 12, and optical receiver 164 is through the member that filters
Part 11 and light transmission display screen 12 receive infrared light.
Filter element 11 penetrates infrared light, and for proximity sensor 16 when launching outward infrared light and being detected, infrared light is saturating
The strength retrogression for crossing filter element 11 obtains smaller, and the degree to decay in other words does not impact detection process, to guarantee
The normal work of proximity sensor 16.Filter element 11 intercepts visible light, prevents visible light from by optical filter 16, from vision
On block proximity sensor 16, realize when watching electronic device 100 from outside, reach the sightless effect of light optical transmitting set 162.
Specifically, optical transmitting set 162 is used to emit infrared light, optical receiver through optical filter 14 and light transmission display screen 12
164 for receiving the infrared light through object reflection to generate for detecting the object at a distance from the electronic device 100
Signal.When the infrared light of transmitting is when detection direction meets barrier, a part of infrared light will be reflected by light-receiving
Device 164 receives, and calculates infrared light from being emitted to the reflected time by processor, it may be determined that electronic device 100 and obstacle
The distance between object simultaneously makes corresponding adjustment.In one example, when user is when answering or making a phone call, electronic device
100 close to head, and optical transmitting set 162 issues infrared light, and optical receiver 164 receives through the reflected infrared light in head, passes through
Processor calculates the infrared light from the reflected time is emitted to, and issues command adapted thereto control screen and closes background light, works as electricity
When sub-device 100 is far from head, processor is calculated again according to the data fed back and is issued instruction, reopens screen
Curtain background light.In this way, not only preventing the maloperation of user, but also save the electricity of mobile phone.
In some embodiments, filter element 11 includes clear sheet 112 and the optical filtering that painting is located on clear sheet 112
Coating 114, filter coating 114 include IR ink, and IR ink is greater than 85%, IR ink to visible light to the light transmittance of infrared light
Light transmittance is 850nm-940nm less than the wavelength for the infrared light that 6%, IR ink can pass through.
Specifically, since IR ink has the characteristic to visible light low-transmittance, so watching electronic device 100 from outside
When, based on the visual observation of human eye less than proximity sensor 16.Simultaneously as IR ink has both the spy to infrared light high transparency
Property, proximity sensor 16 can be made steadily to emit infrared light, ensure that the normal work of proximity sensor 16.
In some embodiments, filter element 11 is sticked on the surface of proximity sensor 16 and 12 face of light transmission display screen
And it is spaced and is arranged with the lower surface of light transmission display screen 12 124.In this way, when being seen from light transmission display screen 12 to proximity sensor 16, by
Visible light is intercepted in filter element 11, so that proximity sensor 16 can't reach proximity sensor to external reflectance visible light
16 sightless effects.
Referring to Fig. 5, in some embodiments, electronic device 100 further include be arranged below light transmission display screen 12 and
Surround the light shield layer 13 of proximity sensor 16.
Specifically, light shield layer 13 can stop to enter proximal to sense around proximity sensor 16 around proximity sensor 16
Device 16 and the accuracy for being reduced close to sensor 16.Light shield layer 13 can be using foam made of black material, be also possible to
The foamed plastics or rubber of other black.Certainly, these materials are only used as illustrative and the embodiments of the present invention simultaneously
It is without being limited thereto.
Referring to Fig. 6, in some embodiments, protective layer 14 includes the buffer layer 146 for being fitted in lower surface 124.
Specifically, buffer layer 146 is kept away for slowing down impact force and shockproof to protect light transmission display screen 12 and its internal structure
Exempt from display screen to damage due to by extraneous percussion.Buffer layer 146 can by foam or foamed plastics or rubber or
Other soft materials of person are made.Certainly, these padded coamings are only used as illustrative and the embodiments of the present invention and unlimited
In this.In addition, avoiding proximity sensor 16 during buffer layer 146 are arranged is that the obstruction of buffer layer 146 is close in order to prevent
Sensor 16 receives signal, in case proximity sensor 16 is affected during receiving infrared light.
In some embodiments, protective layer 14 includes the metal layer 148 of covering buffer layer 146, and buffer layer 146 is located at saturating
Between light display screen 12 and metal layer 148.
Specifically, metal layer 148 has the function of spreading temperature rise for shielding electromagnetic interference and ground connection.Metal layer 148 can
To be cut using the metal materials such as copper foil, aluminium foil.Certainly, these metal materials are only used as illustratively and the utility model
Embodiment is not limited to this.In addition, avoiding proximity sensor 16 during metal layer 148 are arranged is metal in order to prevent
Layer 148 stops proximity sensor 16 and receives signal, in case proximity sensor 16 is affected during receiving infrared light.
Referring to Fig. 7, in some embodiments, electronic device 100 includes the euphotic cover plate of covering light transmission display screen 12
17, light transmission display screen 12 includes viewing area 126 and non-display area 128, and non-display area 128 surrounds viewing area 126, light transmission display screen
12 for penetrating 126 luminescence display of viewing area, and viewing area 126 and the area ratio of euphotic cover plate 17 are greater than 90%.
For example, the area ratio of viewing area 126 and euphotic cover plate 17 is the ratios such as 95%, 96%.Specifically, pass through setting
The ratio of viewing area 126 and euphotic cover plate 17 makes light transmission display screen 12 after the fitting of euphotic cover plate 17, and viewing area 126 can
Show content effect with biggish dimensioned area, not only improves good user experience, but also effectively increase electricity
The screen accounting of sub-device 100 realizes screen effect comprehensively.Non-display area 128 can be used for blocking under light transmission display screen 12
Other elements and metallic circuit make the being consistent property of appearance of product.Non-display area 128 can by way of printing ink come
The optical density (OD) for enhancing light transmission display screen 12, has also built good visual effect while guaranteeing interception.
Referring to Fig. 8, in some embodiments, electronic device 100 includes light transmission touch panel 15, light transmission touch panel
15 are arranged on light transmission display screen 12, and upper surface 122 is towards light transmission touch panel 15, and light transmission touch panel 15 is to the saturating of visible light
Light rate is greater than 90%.
Specifically, light transmission touch panel 15 is arranged between euphotic cover plate 17 and light transmission display screen 12, or is embedded saturating
In light display screen 12, or it is embedded in euphotic cover plate 17.Light transmission touch panel 15 is mainly used for receiving user in touching light transmission touching
It the input signal that generates and is transmitted to circuit board when controlling panel 15 and carries out data processing, so that obtaining user touches light transmission touch surface
The specific location of plate 15.Wherein it is possible to using In-Cell On-Cell coating technique by light transmission touch panel 15 and light transmission
Display screen 12 is bonded, and can effectively be mitigated the weight of display screen and be reduced the integral thickness of display screen.In addition, by light transmission
Cover board 17 is arranged on light transmission touch panel 15, can be effectively protected light transmission touch panel 15 and its internal structure, avoid
Damage of the external forces to light transmission touch panel 15 and light transmission display screen 12.Euphotic cover plate 17 and light transmission touch panel 15 are to can
Light-exposed and infrared light light transmittance is all larger than 90%, not only contributes to light transmission display screen 12 and preferably shows content effect, and
It also helps the proximity sensor 16 being arranged under light transmission display screen 12 and steadily emits and receive infrared light, ensure that close to biography
The normal work of sensor 16.
Referring to Fig. 9, in some embodiments, electronic device 100 further includes the lower surface for being coated on light transmission display screen
124 coating layer 19, coating layer 19 are formed with transparent area 192 corresponding with proximity sensor 16.
In this way, coating layer 19 can stop visible light to enter electronic device 100 from light transmission display screen 12, electronic device is realized
100 internal element hidingization.
In some embodiments, coating layer 19 includes black ink, and black ink is to the light transmittance of visible light and to red
The light transmittance of outer light is respectively less than 3%.
Specifically, one side black ink is lower to the light transmittance of visible light compared to IR ink, and occlusion effect becomes apparent,
More meet technique requirement.Another aspect black ink is low compared to the cost of IR ink, advantageously reduces production cost.
Figure 10 to Figure 12 is please referred to, in some embodiments, the setting of proximity sensor 16 is in viewing area 126 and/or non-
128 lower section of viewing area.
In other words, proximity sensor 16 is located at 126 lower section of viewing area, as shown in Figure 10;Or, the setting of proximity sensor 16 exists
128 lower section of non-display area, as shown in figure 11;Or 16 part of proximity sensor is located at 126 lower section of viewing area, is partially located at non-display
128 lower section of area, as shown in figure 12.
In some embodiments, light transmission display screen 12 includes OLED display screen.
Specifically, Organic Light Emitting Diode (Organic Light-Emitting Diode, OLED) display screen has good
Good translucency, can penetrate visible light and infrared light.Therefore, OLED display screen also not shadow in the case where showing content effect
It rings infrared sensor transmitting and receives infrared light.Light transmission display screen 12 can also use Micro LED display, Micro LED
Display screen equally has to visible light and the good light transmittance of infrared light.Certainly, these display screens are only used as illustratively and sheet
Embodiment is not limited to this for utility model.
In the present invention unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or it
"lower" may include that the first and second features directly contact, and also may include that the first and second features are not direct contacts but lead to
Cross the other characterisation contact between them.Moreover, fisrt feature includes above the second feature " above ", " above " and " above "
One feature is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.First is special
Sign is directly below and diagonally below the second feature including fisrt feature under the second feature " below ", " below " and " below ", or only
Indicate that first feature horizontal height is less than second feature.
Above disclosure provides many different embodiments or example is used to realize the different structure of the utility model.
In order to simplify the disclosure of the utility model, above the component of specific examples and setting are described.Certainly, they are only
Example, and purpose does not lie in limitation the utility model.In addition, the utility model can in different examples repeat reference numerals
And/or reference letter, this repetition are for purposes of simplicity and clarity, itself not indicate discussed various embodiments
And/or the relationship between setting.In addition, the example of various specific techniques and material that the utility model provides, but this
Field those of ordinary skill can be appreciated that the application of other techniques and/or the use of other materials.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside",
The orientation or positional relationship of the instructions such as " clockwise ", " counterclockwise " be based on the orientation or positional relationship shown in the drawings, be only for
Convenient for description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have specifically
Orientation is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " first ",
" second " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance or implicitly indicates indicated technology
The quantity of feature.Define " first " as a result, the feature of " second " can explicitly or implicitly include it is one or more
The feature.The meaning of " plurality " is two or more in the description of the present invention, unless otherwise clearly specific
It limits.It is also understood that term "and/or" used herein refers to and includes one or more associated to list project
Any or all may be combined.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection.It can be mechanical connection, be also possible to be electrically connected.Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements or the interaction relationship of two elements.For those of ordinary skill in the art and
Speech, can understand the concrete meaning of above-mentioned term in the present invention as the case may be.
In the description of this specification, reference term " embodiment ", " some embodiments ", " schematically implementation
The description of mode ", " example ", " specific example " or " some examples " etc. means embodiment or example is combined to describe specific
Feature, structure, material or feature are contained at least one embodiment or example of the utility model.In this specification
In, schematic expression of the above terms are not necessarily referring to identical embodiment or example.Moreover, the specific spy of description
Sign, structure, material or feature can be combined in any suitable manner in any one or more embodiments or example.
While there has been shown and described that the embodiments of the present invention, those skilled in the art can manage
Solution: a variety of to the progress of these embodiments can change in the case where not departing from the principles of the present invention and objective, modify,
Replacement and variant, the scope of the utility model are defined by the claims and their equivalents.