CN109599030A - Display screen and electronic product - Google Patents
Display screen and electronic product Download PDFInfo
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- CN109599030A CN109599030A CN201710922915.1A CN201710922915A CN109599030A CN 109599030 A CN109599030 A CN 109599030A CN 201710922915 A CN201710922915 A CN 201710922915A CN 109599030 A CN109599030 A CN 109599030A
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- display screen
- viewing area
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
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Abstract
The present invention relates to a kind of display screens, have the first viewing area and the second viewing area；Part insulated column missing in second viewing area；Pixel confining layer below the insulated column of each missing is equipped with aperture；Several surface plasmon resonance structures are equipped in the driving layer group in the region of the corresponding aperture；The surface plasmon resonance structure is made of spaced rosette.Above-mentioned display screen, surface plasmon resonance structure in second viewing area, the light of entrance can be carried out anti-reflection, even if the transmission of the incident light of the second viewing area enhances, to make the light intensity across the second viewing area increase, enter more light in the lower photosensitive module of screen, improves imaging effect.The invention also discloses a kind of electronic products comprising above-mentioned display screen.
Description
Technical field
The present invention relates to technical field of electronic products, more particularly to a kind of display screen and electronic product.
Background technique
Present electronic product (such as mobile phone, tablet computer etc.), is generally fitted with preposition camera shooting on the front face
Head, camera are installed on positive non-display area, cannot be displayed in full screen.
Display screen is divided into the first viewing area and the second viewing area currently, having, front camera is hidden in display
The lower section of second viewing area of screen；Need to take pictures image when, control the pixel of the second viewing area of display screen do not shine and
Pellucidity is presented, so as to camera shooting of taking pictures.Do not take pictures image when, the second viewing area is normally shown, realize full screen display.
But in the above scheme, light just can enter in camera by the second viewing area of display screen and be imaged, and show
Screen can carry out partial occlusion absorption to light, to keep imaging effect bad.
Summary of the invention
Based on this, it is necessary to which the problem bad to imaging effect in the prior art, providing one kind can be improved imaging effect
Display screen.
A kind of display screen, the display screen have the first viewing area and the second viewing area；
Part insulated column missing in second viewing area；Pixel confining layer below the insulated column of each missing
Equipped with aperture；Several surface plasmon resonance structures are equipped in the driving layer group in the region of the corresponding aperture；The table
Face Plasmon Resonance structure is made of spaced rosette.
Above-mentioned display screen, the surface plasmon resonance structure in the second viewing area, can carry out the light of entrance
It is anti-reflection, even if the transmission of the incident light of the second viewing area enhances, so that the light intensity across the second viewing area be made to increase, further make
More light enter in the lower photosensitive module of screen, improve imaging effect.
The radius of the rosette is 200nm~450nm in one of the embodiments,.
The gap between the adjacent rosette is 10nm~50nm in one of the embodiments,.
Rosette described in the surface plasmon resonance structure is two in one of the embodiments,.
In one of the embodiments, the rosette with a thickness of 20nm~150nm.
The top electrode of the rosette and the capacitor of the driving layer group is located at same in one of the embodiments,
Layer.
The aperture is rectangular in one of the embodiments,.
The rectangular radius is 10um~20um in one of the embodiments,.
The present invention also provides a kind of electronic products.
A kind of electronic product, comprising:
Display screen；
The display screen has the first viewing area and the second viewing area；
Part insulated column missing in second viewing area；Pixel confining layer below the insulated column of each missing
Equipped with aperture；Several surface plasmon resonance structures are equipped in the driving layer group in the region of the corresponding aperture；The table
Face Plasmon Resonance structure is made of spaced rosette；
And shield lower photosensitive module, the light to shine in across the display screen can be incuded.
Above-mentioned electronic product can be with due to the surface plasmon resonance structure in the second viewing area in display screen
It is anti-reflection to the light progress of entrance, even if the transmission of the incident light of the second viewing area enhances, to make across the second viewing area
Light intensity increases, and enters more light in the lower photosensitive module of screen, improves imaging effect.
Photosensitive module is photoelectric sensor, at least one in camera under the screen in one of the embodiments,.
Detailed description of the invention
Fig. 1 is the overlooking structure diagram of the display screen of an embodiment of the present invention.
Fig. 2 is the partial profile structure of the second viewing area of the display screen in Fig. 1.
Fig. 3 is the schematic diagram of the insulated column missing of the second viewing area of the display screen in Fig. 1.
Fig. 4 is the partial structural diagram (the corresponding region of an aperture) of the metal layer of the display screen in Fig. 1.
Fig. 5 is the schematic diagram of the surface plasmon resonance structure in Fig. 4.
Fig. 6 is emulation testing figure.
Fig. 7 is the schematic top plan view of the electronic product of an embodiment of the present invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, right below in conjunction with specific embodiment
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are only used to explain the present invention,
It is not intended to limit the present invention.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more
Any and all combinations of relevant listed item.
Referring to Fig. 1, the display screen 1000 of an embodiment of the present invention, there is the first viewing area 1001 and the second viewing area
1002.Second viewing area 1002 has display pattern and image pickup mode；In display mode, the second viewing area 1002 is shown
Image；At this point, the second viewing area 1002 can be display together with the first viewing area 1001, to realize full screen display function；?
Under image pickup mode, the second viewing area 1002 do not show and transparent state so that extraneous light passes through the second viewing area 1002；
Light across the second viewing area 1002, which can enter, to be shielded in lower photosensitive module, so as to realize camera shooting camera function.
It will be appreciated that the transparent state in the second viewing area 1002 refers to, people's visual experience be it is transparent, allow second aobvious
Show that there are the nontransparent regions that people's vision can not be experienced in area 1002.
Preferably, the second viewing area 1002 be circle, it is highly preferred that the radius of the second viewing area 1002 be 8.5mm~
11mm.It is, of course, understood that the second viewing area 1002 can also be other shapes, such as rectangular.
In conjunction with referring to fig. 2, display screen 1000 includes the OLED device for driving layer group 500 and being formed in driving layer group 500
Part 100.
Wherein, OLED device 100 includes anode layer 110 and the cathode layer 120 opposite with anode layer 110, is located at anode
Sub-pixel for emitting light structure 130 between layer 110 and cathode layer 120 and the sub-pixel positioned at 130 two sides of sub-pixel for emitting light structure
Isolation structure.Sub-pixel isolation structure is similarly positioned between anode layer 110 and cathode layer 120.Sub-pixel isolation structure includes shape
At the pixel confining layer 180 on anode layer 110 and the insulated column in pixel confining layer 180 190.
Wherein, driving layer group 500 generally comprises the devices such as thin film transistor (TFT) and capacitor.
In the present embodiment, specifically, driving layer group 500 includes positioned at lowermost basal layer 581, is located at basal layer
Buffer layer 582, the silicon semiconductor layer 530 for being formed in buffer layer 582, the gate insulation being covered on silicon semiconductor layer 530 on 581
577 (commonly referred to as GI) of layer, being formed in the first metal layer 520 of gate insulation layer 577, (commonly referred to as M1 layers, can form capacitor
Lower electrode and thin film transistor (TFT) grid), covering the first metal layer 520 dielectric layer 573 (commonly referred to as CI), formed
Dielectric layer 573 second metal layer 510 (commonly referred to as M2 can form the top electrode of capacitor), be covered on the second metal
Two layers of interlayer insulating film 571,572 (commonly referred to as ILD) on layer 510 and be formed on interlayer insulating film 571,572 the
Three metal layers 560 (commonly referred to as M3).
It is illustrated by taking above-mentioned 500 specific structure of driving layer group as an example below, but it is understood that, it is of the invention
Driving layer group 500 is not limited to above structure, can also be that other structures, other structures are referred to above structure understanding,
Details are not described herein.
In the present invention, the first viewing area 1001 is designed according to the structure design of normal display screen.Second display
Area 1002 carries out special designing, is illustrated in detailed below to the structure design of the display screen of the second viewing area 1002.
The part insulated column 190 of second viewing area 1002 lacks；Pixel below the insulated column 190 ' of each missing limits
Layer 180 is equipped with aperture 183；Metal layer 510 in the driving layer group 500 in the region of a corresponding aperture 183 is (i.e. black in Fig. 2
Color region) several surface plasmon resonance structures 5 are equipped with, each surface plasmon resonance structure 5 is arranged by interval
Rosette 511 form.
Emphasis is referring to Fig. 3, when the second viewing area 1002 of display screen 1000 is designed, to a part of insulated column therein
190 do not design.In the second viewing area 1002, an isolation in the corresponding multiple insulated columns of a sub-pixel unit can be
The missing of column 190 or two or more insulated columns 190 lack.However, it will be understood that cannot be by a sub-pixel list
Insulated column 190 corresponding to member all lacks.
Preferably, 190 separate deletion of several insulated columns of the second viewing area 1002, that is to say, that adjacent missing every
It is intermediate from column 190 ' that there are also normal insulated columns 190 to exist.Can be conducive to reduce to the greatest extent in this way insulated column 190 lack it is caused
Adverse effect.
It is highly preferred that the insulated column 190 of the second viewing area uniformly lacks, that is to say, that the insulated column 190 of missing uniformly divides
Cloth is in the second viewing area 1002.In this way can be more uniformly anti-reflection to light progress, to further increase imaging effect.
Emphasis is that the light of the insulated column 190 ' through lacking passes through aperture referring back to Fig. 2, the main function of aperture 183
183 propagate downwards.
In the present embodiment, the cross-sectional shape of aperture 183 is rectangular.183 shape of aperture and pixel openings in this way
Shape is consistent, to advantageously ensure that normal pixel opening is unaffected.Preferably, the size of aperture 183 be 10um~
20um。
It is, of course, understood that the cross-sectional shape of aperture 183 is not limited to rectangular, round, triangle can also be
The other shapes such as shape.
Light continues to propagate downwards, and when light passes through surface plasmon resonance structure 5, surface plasmons is total
Structure 5 of shaking can carry out anti-reflection irradiation across display screen 1000 to light.
The surface plasma that emphasis merely illustrates partial amt in 183 corresponding region of aperture referring to fig. 4, in Fig. 4 swashs
First resonant structure 5.
When production drives layer group 500, the metal layer 510 in the region of corresponding aperture 183 can be patterned, if being formed
Dry surface plasmon resonance structure 5.
In the present embodiment, metal layer 510 and the top electrode of capacitor in driving layer group 500 are located on the same floor.It can be with
Understand, on the outside of rosette 511 is blank in surface plasmon resonance structure 5, that is to say, that surface plasma
Plasmon resonance structure 5 and the top electrode of capacitor separate, and surface plasmon resonance structure 5 will not influence capacitor
Normal work.
The pattern density of this layer is relatively low, is conducive to graphically, so as to so as to prepare simpler.
Preferably, the radius of rosette 511 is 200nm~450nm.It is more advantageous to swashing for surface plasmons in this way
Hair.
Preferably, the gap between adjacent metal disk 511 is 10nm~50nm.Surface plasma is more advantageous in this way to swash
The excitation of member.
Preferably, rosette 511 is two.Two such rosette 511, which is constituted, is similar to bow-tie shape, more has
Conducive to the excitation of surface plasmons.
Preferably, rosette 511 with a thickness of 20nm~150nm.On the one hand be conducive to surface plasmons in this way
Excitation, on the other hand be conducive to Light Energy transmission.
It is, of course, understood that surface plasmon resonance structure 5 of the invention, it is not limited to two metals
Disk 511 is formed by structure, can also be the rosette of other numbers.
In another preferred embodiment, several and pixel confining layer is equipped in the planarization layer 170 of 510 top of metal layer
The opposite through-hole of 180 aperture 183.Absorption of the planarization layer 170 to light can be further decreased in this way, be more advantageous to increasing
Thoroughly.It is highly preferred that through-hole is opposite with 183 position of aperture, size shape is identical.It is, of course, understood that the present invention can also be with
It is not provided with through-hole.
Light ray anti-reflection process of the invention is illustrated below.
When light is aimed downwardly from the upside in Fig. 2, light passes through the region of the insulated column 190 ' of missing first, then
Aperture 183 through pixel confining layer 180, into driving layer group 500.When light is irradiated to the metal layer 510 of 183 lower section of aperture
When, due to the presence of several surface plasmon resonance structures 5 in the metal layer 510, on the surface of metal layer 510,
Generate evanescent waves on the direction propagated perpendicular to light, the free electron that evanescent waves can trigger metal surface generate surface etc. from
Sub- excimer, surface plasmons is equal with disappearance wave frequency rate and wave number, and the two resonates, to make light transmission enhancing.
Emulation testing is carried out using finite element numerical computational methods.Parameter setting are as follows: the diameter of rosette is 760nm,
Gap between two rosettes is 20nm, and the film thickness of rosette is 75nm.Test result is shown in Fig. 6.
Right side vitta represents electric field relative intensity in Fig. 6, and left side is the electric field relative intensity distribution map at rosette.From
As can be seen that the color of intermediate region (at two rosettes) is partially red compared with the color of two side areas in Fig. 6, this illustrates herein
Electric field relative intensity is big, and the energy for further relating to light is big, and light projects enhancing here.
The present invention also provides a kind of electronic products.
Referring to Fig. 7, a kind of electronic product 3000, including display screen 1000 and the lower photosensitive module 2000 of screen；Display screen is
Display screen provided by the present invention；Shield lower photosensitive module 2000 and the second viewing area 1002 of display screen 1000 is oppositely arranged, with
The light across the second viewing area 1002 is set to enter the lower photosensitive module 2000 of screen.
Preferably, shield to descend photosensitive module 1002 at least one in photoelectric sensor, camera.
Preferably, electronic product is mobile phone or tablet computer.It is, of course, understood that electronic product of the invention is simultaneously
It is not limited to this, it can also be other electronic products, such as the computer monitor with camera.
It is, of course, understood that electronic product is except display screen and in addition to shielding lower photosensitive module, it further include other portions
Part, such as shell, power supply etc..The specific structure and connection relationship of these other components, those skilled in the art can bases
Actual conditions setting, details are not described herein.
Electronic product of the invention shields lower photosensitive module so entering due to using display screen provided by the present invention
Light light intensity increases, to improve imaging effect.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of display screen, which is characterized in that the display screen has the first viewing area and the second viewing area；
Part insulated column missing in second viewing area；Pixel confining layer below the insulated column of each missing is equipped with
Aperture；Several surface plasmon resonance structures are equipped in the driving layer group in the region of the corresponding aperture；Described surface etc.
Ion plasmon resonance structure is made of spaced rosette.
2. display screen according to claim 1, which is characterized in that the radius of the rosette is 200nm~450nm.
3. display screen according to claim 2, which is characterized in that gap between the adjacent rosette be 10nm~
50nm。
4. display screen according to claim 2, which is characterized in that gold described in the surface plasmon resonance structure
Belonging to disk is two.
5. display screen according to claim 1, which is characterized in that the rosette with a thickness of 20nm~150nm.
6. display screen according to claim 1, which is characterized in that the capacitor of the rosette and the driving layer group
Top electrode be located on the same floor.
7. display screen according to claim 1, which is characterized in that the aperture is rectangular.
8. display screen according to claim 7, which is characterized in that the size of the aperture is 10um~20um.
9. a kind of electronic product characterized by comprising
Display screen；
The display screen has the first viewing area and the second viewing area；
Part insulated column missing in second viewing area；Pixel confining layer below the insulated column of each missing is equipped with
Aperture；Several surface plasmon resonance structures are equipped in the driving layer group in the region of the corresponding aperture；Described surface etc.
Ion plasmon resonance structure is made of spaced rosette；
And shield lower photosensitive module, the light to shine in across the display screen can be incuded.
10. electronic product according to claim 9, which is characterized in that photosensitive module is photoelectric sensor, takes the photograph under the screen
As at least one in head.
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| CN201710922915.1A CN109599030B (en) | 2017-09-30 | 2017-09-30 | Display screen and electronic product |
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