CN208271897U - A kind of display screen and display terminal - Google Patents
A kind of display screen and display terminal Download PDFInfo
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- CN208271897U CN208271897U CN201820365924.5U CN201820365924U CN208271897U CN 208271897 U CN208271897 U CN 208271897U CN 201820365924 U CN201820365924 U CN 201820365924U CN 208271897 U CN208271897 U CN 208271897U
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Abstract
This application discloses a kind of display screen and display terminals, are related to field of display technology, solve the problems, such as that abnormity screen cannot achieve screen display comprehensively.In the concrete scheme of the application, the sub-pix for there are multiple array arrangements is divided in the effective display area domain of display screen；Display screen includes light blocking structure, multiple luminescent devices positioned at light blocking structure side.The luminescent layer of one luminescent device is set in the luminous zone of a sub-pix.In at least part region of effective display area domain, light-path array is provided in light blocking structure.Each light-path in light-path array is provided with the light modulation pattern for being modulated to light between adjacent luminous zone, and in each light-path.Display screen further includes the photosensitive layer for deviating from luminescent device side positioned at light blocking structure, and photosensitive layer is opposite with light-path array position.It is incident at least one photosensitive pixel of photosensitive layer by the modulation light of light-path.Above-mentioned display screen is used to shoot image and show the image of shooting.
Description
Technical field
This application involves field of display technology more particularly to a kind of display screens and display terminal.
Background technique
With the continuous development of electronic technology, the requirement that user configures display terminal is higher and higher.For example, with the display
Terminal is for mobile phone, mobile phone not only needs to configure preposition camera function and also needs to have biggish screen accounting.However, current hand
The mould packet size of the front camera of machine is generally in 1cm x 1cm x 0.5cm or so, if mobile phone is taken the photograph using preposition pair, that
The mould packet size of double photography/videography heads will also further increase, and use existing manufacture craft, the ruler of front camera mould group
It is very little to be difficult further to compress, therefore the main restricting factor for being set to the promotion of Mobile phone screen accounting of front camera.
In the prior art to solve the above-mentioned problems, abnormity screen is used.As shown in Figure 1, can be on the top of display module
The notch of an irregular shape is opened to dispose the components such as front camera, ambient light sensor and earpiece in end.So, it shows
Display screen still is able to be shown in the position of notch two sides, to achieve the purpose that promote screen accounting.However, above-mentioned solution party
Case still cannot achieve screen display comprehensively, and the factors such as processing yield by abnormity screen, will lead in the cost of display module
It rises.
Utility model content
The application provides a kind of display screen and display terminal, solves the problems, such as that abnormity screen cannot achieve screen display comprehensively.
In order to achieve the above objectives, the application adopts the following technical scheme that
The application's in a first aspect, provide a kind of display screen, and division has multiple arrays in the effective display area domain of display screen
The sub-pix of arrangement；Display screen includes light blocking structure and multiple luminescent devices positioned at light blocking structure side.Wherein, a hair
The luminescent layer of optical device is set in the luminous zone of a sub-pix.In at least part region of effective display area domain,
Light-path array is provided in light blocking structure.Each light-path in light-path array is and every between adjacent luminous zone
The light modulation pattern for being modulated to light is provided in a light-path.In addition, display screen further includes being located at light blocking structure
Photosensitive layer away from luminescent device side, photosensitive layer are opposite with light-path array position.It is incident by the modulation light of light-path
Into at least one photosensitive pixel of photosensitive layer.It can be seen from the above, one side, display screen provided by the present application can pass through setting
In the light-path array in light blocking structure by external Scenery Imaging on photosensitive layer, the light-path array and photosensitive layer be may be constructed
Shoot mould group.Therefore above-mentioned display screen does not need to install the camera lens for taking pictures, so as to significantly reduce shooting mould group
Thickness.On the other hand, above-mentioned shooting mould group is integrated in the inside of display screen, without carrying out special-shaped cutting to display screen, so
The shooting mould group is not necessarily to occupy the display area of display screen, so that the screen accounting of display screen reaches maximum, is conducive to
Realize screen display comprehensively.In another aspect, being both provided in each light-path for being adjusted to light in above-mentioned light-path array
The light modulation pattern of system, in the case, the light-path with light modulation pattern can be equivalent to light modulator, the light wave tune
Device processed increases the complexity that light transmits in space, so that after modulation by being modulated to the light for being incident to photosensitive layer
Light formed optical imagery high fdrequency component increase.So, due to the height for the optical imagery that light is formed after modulation
Frequency component increases, therefore is conducive to be promoted the acutance of the image obtained after demodulation, to achieve the purpose that improve shooting effect.
Chip-packaging structure provided by the present application, with reference to first aspect, in one possible implementation, light blocking structure
Including the shading layer being oppositely arranged and array substrate.The shading layer is opaque.Array of orifices, aperture are provided on the shading layer
Each aperture in array is through-hole.Array substrate has transmission region in the position of respective apertures.Wherein, an aperture and one
A transmission region constitutes a light-path.In the case, the light for being incident to each light-path can pass through above-mentioned array base
Furthermore the transmission region of plate may also pass through aperture and expose to photosensitive layer, to realize pinhole imaging system.At this point, multiple array arrangements
The array of orifices of keyhole formation matrix form pinhole imaging system may be implemented, to achieve the purpose that shoot external scene.
In a kind of possible mode with reference to first aspect, optionally, shading layer is located at array substrate away from luminescent device
Side.In addition, the display screen further includes the pixel defining layer for being set to array substrate and deviating from shading layer side.The pixel defines
Multiple openings are provided on layer.The luminescent layer of luminescent device is set in opening.In the case, the pixel circuit of array substrate
In not by the pixel circuit signal wire and the part blocked of circuit element can form above-mentioned transmission region so that
An aperture on shading layer can constitute an above-mentioned light-path with one transmission region of array substrate.
Alternatively, in a kind of possible mode with reference to first aspect, optionally, shading layer is located at array substrate close to shining
The side of device.In addition, being provided with multiple openings on shading layer, the luminescent layer of the luminescent device is set in opening.In this feelings
Under condition, above-mentioned pixel defining layer can be shared with shading layer, by opening up aperture in the pixel defining layer, so that the picture
Element, which defines an aperture on layer, to constitute an above-mentioned light-path with a transmission region in array substrate.
With reference to first aspect and above-mentioned possible implementation, in alternatively possible implementation, array substrate
In the non-light-emitting area of each sub-pix is provided with the pixel circuit being electrically connected with luminescent device.The light modulation pattern includes light transmission
Part and shading light part.The wherein signal lead or electronic device in array substrate in pixel circuit corresponding with aperture position
Constitute the shading light part of light modulation pattern.In this case, it is possible to using above-mentioned photoetching process while forming pixel circuit,
Form the light modulation pattern to match with the aperture.
With reference to first aspect and above-mentioned possible implementation, in another possible implementation, light modulation figure
Case includes light transmission part and shading light part.Light modulation pattern is set in aperture, and the shading light part and aperture of light modulation pattern
Side wall be connected.In this case, it is possible to form position using above-mentioned photoetching process while forming aperture on the shading layer
In the light modulation pattern in the aperture.
With reference to first aspect, in alternatively possible implementation, display screen further includes being located at photosensitive layer close to light blocking
The regulating course apart of the light transmission of structure side.So, when the thickness at a distance of regulating course changes, through above-mentioned aperture
The length that the light of each aperture reaches the propagation path of photosensitive layer in array can also change, to realize adjustment matrix form
The purpose of pinhole imaging system apart.
With reference to first aspect, in alternatively possible implementation, light modulation pattern includes comb mesh pattern or concentric circles
Pattern；Alternatively, light modulation pattern includes at least one of round, rectangle and polygon.
Optionally, the opening shape of aperture includes rectangle, circle or polygon.
Optionally, the hole wall height of aperture is between 200nm to 100 μm.So, when the hole wall height of aperture is greater than
At 10 μm or more, by adjusting the hole wall height of the aperture, can also the light modulation result to the light by the aperture generate
It influences.So as to further increase the complexity of light modulation process, be conducive to the acutance for improving shooting picture.
Optionally, the range of the diameter d of aperture are as follows: 0 4.5 μm of < d <, to be advantageously implemented pinhole imaging system.
Optionally, display screen further includes the signal processing circuit structure layer for deviating from light blocking structure side positioned at photosensitive layer.It should
Photo-electric conversion element is provided in photosensitive layer in each photosensitive pixel, signal processing circuit structure layer is electrically connected with photo-electric conversion element
It connects.So the transmission path that can reduce signal improves the laser propagation effect of signal.
Optionally, display screen further includes the circuit protecting layer for deviating from photosensitive layer side positioned at signal processing circuit structure layer.
The circuit protecting layer can be made of resin material, for the electronic device in signal processing circuit structure layer to be fixed,
And water oxygen barrier is carried out to the electronic device.
Optionally, the luminescent layer of luminescent device is organic luminous layer or quantum dot light emitting layer.
The second aspect of the application provides a kind of display terminal, including any one of the above display screen.Display terminal tool
There is technical effect identical with the display screen that previous embodiment provides, details are not described herein again.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram for special-shaped display screen that the prior art provides；
Fig. 2 is the distribution schematic diagram of sub-pix in a kind of display screen provided by the present application；
Fig. 3 is a kind of structural schematic diagram of display screen for being integrated with shooting mould group provided by the embodiments of the present application；
Fig. 4 is the luminous zone of sub-pix and the schematic diagram of non-light-emitting area in Fig. 2；
Fig. 5 is the structural schematic diagram for the display screen that another kind provided by the embodiments of the present application is integrated with shooting mould group；
Fig. 6 is a kind of structural schematic diagram of light blocking structure in Fig. 2 or Fig. 5；
Fig. 7 is a kind of set-up mode schematic diagram of shading layer in Fig. 6；
Fig. 8 is a kind of structural schematic diagram of light blocking structure in Fig. 2 or Fig. 5；
Fig. 9 a, Fig. 9 b and Fig. 9 c are respectively the schematic diagram that the application provides three kinds of light modulation pattern；
Figure 10 provides the structural schematic diagram of array of orifices for the application.
Appended drawing reference:
01- display screen；02- underlay substrate；10- light blocking structure；101- sub-pix；The luminous zone 1011-；1012- is non-luminescent
Area；11- shading layer；110- opening；12- array substrate；120- transmission region；20- luminescent device；201- luminescent layer；Under 202-
Electrode；203- top electrode；30- light-path array；301- light-path；302- aperture；40- photosensitive layer；50- is at a distance of regulating course；51-
Signal processing circuit structure layer；52- circuit protecting layer；53- colour filter；54- encapsulated layer；55- touch cover.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application is described, and is shown
So, described embodiments are only a part of embodiments of the present application, instead of all the embodiments.
In the description of the present application, unless otherwise indicated, the meaning of " plurality " is two or more.
The application provides a kind of display screen 01, as shown in Fig. 2, the effective display area domain (Active of the display screen 01
Area, AA) in divide and have the sub-pixes (Sub Pixel) 101 of multiple array arrangements.Wherein, at least three adjacent colors are not
Same sub-pix 101, such as red (R) sub-pix, green (G) sub-pix and blue (B) sub-pix may be constructed a use
In the pixel (Pixel) to emit white light.
In addition, as shown in figure 3, display screen 01 includes light blocking structure 10 and shines positioned at the multiple of 10 side of light blocking structure
Device 20.Wherein, as shown in figure 4, the luminescent layer 201 of a luminescent device 20 is set to the luminous zone of a sub-pix 101
In 1011.In addition, the sub-pix 101 further includes the non-light-emitting area 1012 being arranged around luminous zone 1011.The non-light-emitting area 1012
In be provided with the pixel circuit that luminescent device 20 corresponding with 101 position of the sub-pix is connected.The pixel circuit is for driving
Dynamic luminescent device 20 shines, and is adjusted as needed to the light emission luminance of the luminescent device 20.
In the case, above-mentioned luminescent device 20 can for light emitting diode (Light Emitting Diode, LED),
Micro-led (MicroLight Emitting Diode, ULED), Organic Light Emitting Diode (Organic Light
Emitting Diode, OLED) or light emitting diode with quantum dots (Quantum dot Light Emitting Diode,
QLED).Based on this, when luminescent device 20 is OLED, the luminescent layer 201 of the luminescent device 20 is organic luminous layer.When luminous
When device 20 is QLED, the luminescent layer 201 of the luminescent device 20 is quantum dot light emitting layer.Class of the application to the luminescent device 20
Type is without limitation.
On this basis, at least part region in the above-mentioned area AA, as shown in figure 3, being set in the light blocking structure 10
It is equipped with light-path array 30.The light-path array 30 includes the light-path 301 of multiple array arrangements.In addition, each light-path 301
The light modulation figure for being modulated to light is provided between adjacent luminous zone 1011, and in each light-path 301
Case.
It should be noted that it is logical to be provided with light in the light blocking structure 10 at least part region in the above-mentioned area AA
Road array 30 refers to, as shown in figure 3, the light-path array 30 being located in the light blocking structure 10 can be only arranged at the one of the area AA
Part, such as when above-mentioned display screen 01 is applied to mobile phone, above-mentioned light-path battle array only can be set at the top of mobile phone display screen
Column 30.Alternatively, as shown in figure 5, the light-path array 30 being located in the light blocking structure 10 may be uniformly distributed in the area AA.
In addition, display screen 01 further includes the photosensitive layer 40 for deviating from 20 side of luminescent device positioned at light blocking structure 10, this is photosensitive
Layer 40 is opposite with 30 position of light-path array.In the case, photosensitive layer can be incident to by the modulation light of light-path 301
In 40 at least one photosensitive pixel.
Wherein, the photosensitive layer 40 is for constituting complementary MOS (Complementary Metal-
Oxide Semiconductor, CMOS) device or charge-coupled device (Charge Coupled Device, CCD).
Based on this, display terminal is constituted using the display screen 01 of the application, such as when mobile phone, can carry out to external scenery
It takes pictures.Specific process of taking pictures are as follows: natural light outside or environment light are irradiated external scenery, meanwhile, user can be according to need
Auxiliary light is provided to external scenery by the flash lamp of mobile phone.In the case, which can be by above-mentioned light
Reflex to display screen 01.Due to being provided with the light blocking structure 10 with light-path array 30, above-mentioned reflection in display screen 01
Light can expose at least one light-sensitive image of photosensitive layer 40 by least part light-path 301 in light-path array 30
In element, to realize the imaging of external scene.The photosensitive layer 40 includes the photosensitive pixel of multiple array arrangements, receives the sense of light
Light pixel can carry out photoelectric conversion to light, and the electric signal after conversion is exported image processing device, so as to basis
Imaging results on photosensitive layer 40 generate image and complete shooting process, and the image of shooting is shown.It is basic herein
On, in the case that above-mentioned display terminal has memory, the image of shooting can also be stored in the memory.
It can be seen from the above, one side, display screen provided by the present application can be logical by the light being set in light blocking structure 10
For road array 30 by external Scenery Imaging on photosensitive layer 40, the light-path array 30 and photosensitive layer 40 may be constructed shooting mould group.
Therefore above-mentioned display screen does not need to install the camera lens for taking pictures, so as to significantly reduce the thickness of shooting mould group, the thickness
Degree can be from centimetre (cm) grade drops as low as micron (μm) rank.
On the other hand, above-mentioned shooting mould group is integrated in the inside of display screen 01, cuts without carrying out abnormal shape to display screen 01
It cuts, so the shooting mould group is not necessarily to occupy the display area of display screen, so that the screen accounting of display screen reaches maximum,
It is advantageously implemented screen display comprehensively.
In another aspect, being both provided in each light-path 301 for being modulated to light in above-mentioned light-path array 30
Light modulation pattern can be equivalent to light modulator with the light-path 301 of light modulation pattern, the light wave in the case
Modulator allows above-mentioned light in spatial frequency domain by Fourier by being modulated to the light for being incident to photosensitive layer 40
Transformation, increases the complexity that light transmits in space, so that the high fdrequency component for the optical imagery that modulated light is formed increases
Add.Based on this, when photosensitive layer 40 receives modulated light, and generates corresponding signal and be transferred to above-mentioned image processing device
Afterwards, which can carry out inverse Fourier transform to above electrical signal, and demodulating (or restoring), to be incident to light logical
The optical signal on road, and generate corresponding image.So, since the high fdrequency component for the optical imagery that light is formed after modulation increases
Add, therefore be conducive to be promoted the acutance of the image obtained after demodulation, to achieve the purpose that improve shooting effect.
On this basis, as shown in Fig. 6 or Fig. 8, above-mentioned light blocking structure 10 may include the shading layer 11 that is oppositely arranged with
And array substrate 12.Wherein, the shading layer 11 is opaque.
It is provided with array of orifices on above-mentioned shading layer 11, each aperture 302 in the array of orifices is through-hole.
The array substrate 12 has transmission region 120 in the position of respective apertures 302, and an aperture 302 can be with one
Transmission region 120 constitutes an above-mentioned light-path 301.In the case, the light for being incident to each light-path 301 can pass through
Furthermore the transmission region 120 of above-mentioned array substrate 12 may also pass through aperture 302 and expose to photosensitive layer 40, with realize aperture at
Picture.At this point, matrix form pinhole imaging system (Matrix may be implemented in the array of orifices that the aperture 302 of multiple array arrangements is formed
Pinhole Image Sensing, MAPIS), to achieve the purpose that shoot external scene.
Detailed illustration is carried out to the positional relationship of above-mentioned shading layer 11 and array substrate 12 below.
For example, as shown in fig. 6, shading layer 11 is located at the side that array substrate 12 deviates from luminescent device 20.At this point, constituting resistance
The material of photosphere 11 can be lighttight resin material；Alternatively, can also be metal material.In order to enable the system of shading layer 11
Make that technique is compatible with the manufacture craft of display screen, the metal material for constituting the shading layer 11 can gate in production array substrate 12
The grid of thin film transistor (TFT) (Thin Film Transistor, TFT) or the metal material of source-drain electrode.
Based on this, when shading layer 11 is constituted using above-mentioned metal material, the aperture 302 on the shading layer 11 can be used
Photoetching process (including: exposure, development, etching etc.) formation.
In addition, above-mentioned shading layer 11 can be made of single film layer, or as shown in fig. 7, can be by least two layers of thin
Film layer is constituted, and the material for being located at the film layer of different layers can be the same or different.
It should be noted that thin film layer refers to herein, pass through the shapes such as one-pass film-forming technique, such as coating, deposition
At film layer, be thin film layer.Therefore, when forming above-mentioned shading layer 11 using multiple film-forming process, even if adopting every time
Material is identical, which remains as multilayered structure.
On this basis, as shown in fig. 6, above-mentioned display screen 01 further includes being set to array substrate 12 away from shading layer 11 1
The pixel defining layer (Pixel Define Layer, PDL) of side.Multiple openings 110 are provided on the PDL.Above-mentioned luminescent device
20 luminescent layer 201 is set in the opening 110.
Based on this, by taking the luminescent device 20 is OLED as an example, as shown in fig. 6, above-mentioned luminescent device 20 further includes opposite sets
The lower electrode 202 (cathode or anode) and top electrode 203 (anode or cathode) set, and it is located at the lower electrode 202 and top electrode
Hole injection layer, hole transmission layer, electron transfer layer, electron injecting layer between 203.Wherein, the hair of above-mentioned luminescent device 20
Photosphere 201 is between hole injection layer and electron injecting layer.The lower electrode 202 of usual above-mentioned luminescent device 20, hole injection
Layer, hole transmission layer, luminescent layer 201, electron transfer layer and electron injecting layer can be set in above-mentioned aperture 110.And
The top electrode 203 of multiple luminescent devices 20 is to cover a flood film layer of the PDL.
OLED display screen provided by the present application is that top emitting formula display screen constitutes the material of the lower electrode 202 in the case
Material is metal material, and the material for constituting the top electrode 203 is transparent conductive material, for example, tin indium oxide (Indium Tin
Oxide, ITO), indium zinc oxide (Indium Zinc Oxide, IZO).
In addition, being provided in the non-light-emitting area 1012 of each sub-pix 101 in array substrate 12 for driving this to shine
The luminous pixel circuit of device 20, which includes multiple TFT and capacitor.Wherein, the source electrode of at least one TFT or leakage
Pole is electrically connected with the lower electrode 202 for the luminescent device 20 for being set to 101 luminous zone 1011 of sub-pix.
In the case, not by the signal wire and circuit element in the pixel circuit in the pixel circuit of array substrate 12
The part that (such as TFT or capacitor) blocks can form above-mentioned transmission region 120, so that an aperture on shading layer 11
302 can constitute an above-mentioned light-path 301 with 12 1 transmission regions 120 of array substrate.
It should be noted that herein, the directional terminologies such as "up" and "down" are set relative to the display screen signal in attached drawing
The orientation put defines, it should be understood that, these directional terminologies are opposite concepts, they be used for relative to description and
Clarification, can correspondingly change according to the variation in the orientation that display screen is placed.
Alternatively, the positional relationship of above-mentioned shading layer 11 and array substrate 12 in another example, as shown in figure 8, shading layer 11
In array substrate 12 close to the side of luminescent device 20.In the case, multiple openings 110 are provided on the shading layer 11.It should
Lower electrode 202, hole injection layer, hole transmission layer, luminescent layer 201, electron transfer layer and the electron injection of luminescent device 20
Layer etc. can be set in opening 110.
In this case, it is possible to above-mentioned PDL and shading layer 11 are shared, by opening up aperture 302 on the PDL, so that
An above-mentioned light-path can be constituted with a transmission region 120 in array substrate 12 by obtaining an aperture 302 on the PDL
301。
For any one structure of Fig. 6 or shown in Fig. 8, the thickness of the above-mentioned shading layer 11 for being formed with aperture 302
Range can be between 200nm to 100 μm, and the hole wall height of the aperture 302 is between 200nm to 100 μm in the case.This
Sample one, can also be to warp by adjusting the hole wall height of aperture 302 when the hole wall height of aperture 302 is greater than 10 μm or more
The light modulation result for crossing the light of the aperture 302 has an impact.So as to further increase the complexity of light modulation process, have
Conducive to the acutance for improving shooting picture.On this basis, in order to enable light can be adjusted by having in above-mentioned light-path 301
The light modulation pattern of system, which includes light transmission part and shading light part.The application provides light modulation pattern
Set-up mode:
Mode one
It can be seen from the above, being provided with and luminescent device in array substrate 12 in the non-light-emitting area 1012 of each sub-pix 101
The pixel circuit that 20 lower electrode 202 is electrically connected.The pixel circuit includes the electronic devices such as multiple TFT and multiple capacitors, and TFT
Between TFT, it can be electrically connected by signal between TFT and capacitor and between capacitor and capacitor.So, it is incident to
The light for stating electronic device and signal lead can not pass through, and not be distributed above-mentioned electronic device and signal lead in the pixel circuit
Position light can pass through.
In the case, the signal lead in above-mentioned array substrate 12 in pixel circuit corresponding with 302 position of aperture
Or electronic device may be constructed the shading light part of the light modulation pattern, and it is corresponding with 302 position of aperture in array substrate 12
The position for not being distributed above-mentioned electronic device and signal lead in pixel circuit may be constructed the light transmission part of above-mentioned light modulation pattern.
In this case, it is possible to be formed and 302 phase of aperture using above-mentioned photoetching process while forming pixel circuit
Matched light modulation pattern.
Mode two
As shown in figure 8, above-mentioned light modulation pattern can be set in aperture 302, and the light shielding part of the light modulation pattern
Divide and is connected with the side wall of aperture 302.It in the case, can due to having above-mentioned light modulation pattern inside the aperture 302
Such aperture 302 to be known as to pattern aperture (Patterned pinholes, PP).
It should be noted that when the corresponding light modulation pattern being arranged by two kinds of different patterns of an aperture 302, and two kinds of light
When modulation pattern is identical to the modulation result for the light for passing through the aperture 302, the biggish light modulation pattern of luminous flux is chosen, to mention
The acquisition precision of high optical imagery.
In this case, it is possible to form position using above-mentioned photoetching process while forming aperture 302 on the shading layer 11
Light modulation pattern in the aperture 302.
For any one set-up mode of aforesaid way one or mode two, which can be such as Fig. 9 a institute
Show, including comb mesh pattern.Wherein the size of the grid in the comb mesh pattern can be the same or different；Or above-mentioned light modulation
Pattern can also include multiple concentric circles interconnected as shown in figure 9b.
Or above-mentioned light modulation pattern can also be include at least one of round, rectangle and polygon no
Regular shape.For example, as is shown in fig. 9 c, the corresponding light modulation pattern of aperture 302 is made of triangle and quadrangle.
Wherein, in order on the basis of guaranteeing not increasing production precision, avoid in light modulation pattern shading light part to passing through
The luminous flux of the light of aperture 302 causes large effect, and optionally, the line width of shading light part is in 3um- in the light modulation pattern
4um or so.
In addition, the application to the opening shape of above-mentioned aperture 302 without limitation, such as can be the square in Fig. 9 a and Fig. 9 c
Shape is the circle in Fig. 9 b.Or the opening shape of above-mentioned aperture 302 can also be polygon or irregular shape.
On this basis, in order to realize above-mentioned pinhole imaging system, the range of the diameter d of the aperture 302 is 0 4.5 μm of < d <.
In the case, as shown in Figure 10, in the array of orifices being made of the aperture 302 of multiple array arrangements, two neighboring aperture 302
Horizontal spacing D1 and longitudinal pitch D2, require the diameter d greater than above-mentioned aperture 302.Wherein, comprehensive current production work
Skill, above-mentioned horizontal spacing D1 and longitudinal pitch D2's may range between 10 μm -1000 μm.
The other structures of the display screen 01 are illustrated below:
Specifically, as shown in fig. 6, the display screen 01 further includes being located at luminescent layer 40 close to above-mentioned 10 (i.e. battle array of light blocking structure
Column substrate 12 and shading layer 11) side light transmission at a distance of regulating course 50.Wherein, constituting the material at a distance of regulating course 50 can be with
For transparent resin material.Wherein, during production, this can be made in the substrate of array substrate 12 at a distance of regulating course 50
Substrate 02 is on a side surface of luminescent device 20.
In the case, during making above-mentioned display screen 01, can according to the different demands of user to this apart
The thickness of regulating course 50 is adjusted, so, when the thickness at a distance of regulating course 50 changes, through above-mentioned aperture battle array
The length that the light of each aperture 302 reaches the propagation path of photosensitive layer 40 in column can also change, to realize adjustment square
The purpose of configuration pinhole imaging system apart.
In addition, needing to pass above electrical signal after the optical signal received is converted to electric signal by above-mentioned photosensitive layer 40
Image processing device is transported to, to carry out a series of processing, such as noise reduction to electric signal by the image processing device, is increased
By force, imaging etc., ultimately generates shooting image.
In the case, it is damaged to reduce above electrical signal existing signal during being transmitted to image processing device
Consumption, optionally, the display screen can further include the signal processing circuit structure for deviating from 10 side of light blocking structure positioned at photosensitive layer 40
Layer 51.Wherein, photo-electric conversion element, such as photoelectric conversion diode, the letter are provided in photosensitive layer 40 in each photosensitive pixel
Number processing circuit structure sheaf 51 can be electrically connected with above-mentioned photo-electric conversion element.The signal processing circuit structure layer 51 is for constituting
Above-mentioned image processing device.So, it is not necessary that image processing device to be set to the non-display area of display screen 01, and pass through letter
Photo-electric conversion element is electrically connected by number lead with image processing device, to reduce the transmission path of signal, improves the biography of signal
Defeated effect.
On this basis, which further includes being located at signal processing circuit structure layer 51 away from 40 side of photosensitive layer
Circuit protecting layer 52.The circuit protecting layer 52 can be made of resin material, for in signal processing circuit structure layer 51
Electronic device is fixed, and carries out water oxygen barrier to the electronic device.
In addition, when the luminescent layer in above-mentioned luminescent device 20 is used to issue white light, in order to enable the display screen 01
It can be realized colored display, optionally, the display screen 01 is as shown in figure 8, can also include colour filter 53.Colour filter 53 has more
A color-filter unit, each color-filter unit are corresponding with the position of luminous zone 1011 of a sub-pix 101.And it is located at the same picture
The color of the corresponding color-filter unit of each sub-pix 101 in element is not identical, such as three sub-pixes 101 in the same pixel
Respectively correspond red (R) color-filter unit, green (G) color-filter unit and blue (B) color-filter unit.
In addition, the encapsulated layer 54 may include that inorganic encapsulated is thin as shown in figure 8, the display screen 01 further includes encapsulated layer 54
Film, or inorganic encapsulated film and organic packages film including overlapping setting.The application does not limit this.
On this basis, when the display screen 01 has touch function, as shown in figure 8, the display screen 01 further includes touch-control
Cover board 55, the touch-control electricity which has the cover-plate glass of close array substrate 12 and be made on the cover-plate glass
The pattern of pole and touch-control lead.
The application provides a kind of display terminal, including any one display screen as described above.The display terminal have with
The identical technical effect of display screen that previous embodiment provides, details are not described herein again.
It should be noted that the display terminal includes the mobile display terminal such as mobile phone, tablet computer, laptop, also
It may include the desktop computer or TV with camera function.
Claims (15)
1. a kind of display screen, which is characterized in that divide the Asia for having multiple array arrangements in the effective display area domain of the display screen
Pixel；The display screen includes light blocking structure and multiple luminescent devices positioned at light blocking structure side；One hair
The luminescent layer of optical device is set in the luminous zone of a sub-pix；
In at least part region of the effective display area domain, light-path array is provided in the light blocking structure；Institute
State each light-path in light-path array be arranged between the adjacent luminous zone, and in each light-path it is useful
In the light modulation pattern being modulated to light；
The display screen further include positioned at the light blocking structure deviate from the luminescent device side photosensitive layer, the photosensitive layer with
The light-path array position is opposite；At least one for being incident to the photosensitive layer by the modulation light of the light-path is photosensitive
In pixel.
2. display screen according to claim 1, which is characterized in that the light blocking structure include the shading layer that is oppositely arranged with
And array substrate；The shading layer is opaque；
Array of orifices is provided on the shading layer, each aperture in the array of orifices is through-hole；
The array substrate has transmission region in the position of the correspondence aperture；One aperture and a transparent area
Domain constitutes a light-path.
3. display screen according to claim 2, which is characterized in that the shading layer is located at the array substrate away from described
The side of luminescent device；
The display screen further includes the pixel defining layer for being set to the array substrate and deviating from the shading layer side；The pixel
It defines and is provided with multiple openings on layer；The luminescent layer of the luminescent device is set in the opening.
4. display screen according to claim 2, which is characterized in that the shading layer is located at the array substrate close to described
The side of luminescent device；
Multiple openings are provided on the shading layer；The luminescent layer of the luminescent device is set in the opening.
5. according to the described in any item display screens of claim 2-4, which is characterized in that in each sub-pix in the array substrate
Non-light-emitting area be provided with the pixel circuit being electrically connected with the luminescent device；
The light modulation pattern includes light transmission part and shading light part；It is corresponding with the aperture position in the array substrate
Signal lead or electronic device in the pixel circuit constitute the shading light part of the light modulation pattern.
6. according to the described in any item display screens of claim 2-4, which is characterized in that the light modulation pattern includes light transmission part
And shading light part；The light modulation pattern is set in the aperture, and the shading light part of the light modulation pattern with it is described small
The side wall in hole is connected.
7. display screen according to claim 1, which is characterized in that the display screen further includes close positioned at the photosensitive layer
The regulating course apart of the light transmission of light blocking structure side.
8. display screen according to claim 1, which is characterized in that the light modulation pattern includes comb mesh pattern or concentric circles
Pattern；
Alternatively, the light modulation pattern includes at least one of round, rectangle and polygon.
9. display screen according to claim 2, which is characterized in that the opening shape of the aperture includes round or polygon
Shape.
10. display screen according to claim 2, which is characterized in that the hole wall height of the aperture is at 200nm to 100 μm
Between.
11. display screen according to claim 2, which is characterized in that the range of the diameter d of the aperture are as follows: 0 < d < 4.5
μm。
12. display screen according to claim 1, which is characterized in that the display screen further includes being located at the photosensitive layer to carry on the back
Signal processing circuit structure layer from light blocking structure side；
Be provided with photo-electric conversion element in the photosensitive layer in each photosensitive pixel, the signal processing circuit structure layer with
The photo-electric conversion element electrical connection.
13. display screen according to claim 12, which is characterized in that the display screen further includes being located at the signal processing
Circuit structure layer deviates from the circuit protecting layer of the photosensitive layer side.
14. display screen according to claim 1, which is characterized in that the luminescent layer of the luminescent device is organic luminous layer
Or quantum dot light emitting layer.
15. a kind of display terminal, which is characterized in that including such as described in any item display screens of claim 1-14.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820365924.5U CN208271897U (en) | 2018-03-16 | 2018-03-16 | A kind of display screen and display terminal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820365924.5U CN208271897U (en) | 2018-03-16 | 2018-03-16 | A kind of display screen and display terminal |
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| CN208271897U true CN208271897U (en) | 2018-12-21 |
Family
ID=64675612
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820365924.5U Active CN208271897U (en) | 2018-03-16 | 2018-03-16 | A kind of display screen and display terminal |
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