CN109860270A - A kind of display panel and display device - Google Patents
A kind of display panel and display device Download PDFInfo
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- CN109860270A CN109860270A CN201910257648.XA CN201910257648A CN109860270A CN 109860270 A CN109860270 A CN 109860270A CN 201910257648 A CN201910257648 A CN 201910257648A CN 109860270 A CN109860270 A CN 109860270A
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Abstract
The present invention provides a kind of display panel and display device, and display panel includes: viewing area, and viewing area includes imaging region and non-imaging region, and imaging region is transparence display area；Light-emitting component, light-emitting component are located at viewing area and the light emission side emergent ray towards display panel；Optical diaphragm group, optical diaphragm group is located at the side that the light-emitting component in imaging region deviates from light emission side, and between light-emitting component and picture pick-up device, optical diaphragm group includes linear polarizer and quarter-wave plate, and quarter-wave plate is between linear polarizer and picture pick-up device；Wherein, when display panel is in shooting state, the light-emitting component of imaging region does not shine, the transparent state in imaging region, and picture pick-up device absorbs the light across imaging region；When display panel is in non-shooting state, the light-emitting component of imaging region is in normal display state.The present invention provides a kind of display panel and display device, to realize the full screen display of display panel.
Description
Technical field
The present invention relates to field of display technology more particularly to a kind of display panel and display devices.
Background technique
With the development of display technology, increasingly towards super large screen accounting, (i.e. viewing area accounts for display device (such as mobile phone)
The positive ratio of whole display device), in addition full screen display direction develop, therefore, how to improve the screen accounting of display device
Research hotspot as those skilled in the art.
Some devices (such as preposition camera unit, light sensor, range sensor, biosensor in display device
Deng), to ensure that it can be worked normally, front of the device towards display device need to be made, and the information in environment can be collected.
However, still occupying certain screen accounting at the position of " punching ", there are still non-display areas in the front of mobile phone, influence
The screen accounting of mobile phone.
Summary of the invention
The present invention provides a kind of display panel and display device, to realize the full screen display of display panel.
In a first aspect, the embodiment of the present invention provides a kind of display panel, comprising:
Viewing area, the viewing area include imaging region and non-imaging region, and the imaging region is transparence display area；
Light-emitting component, the light-emitting component are located at the viewing area and the light emission side emergent light towards the display panel
Line；
Optical diaphragm group, the optical diaphragm group are located at the light-emitting component in the imaging region away from the light emission side
Side, and between the light-emitting component and picture pick-up device, the optical diaphragm group includes linear polarizer and a quarter
Wave plate, the quarter-wave plate is between the linear polarizer and the picture pick-up device；Wherein,
When the display panel is in shooting state, the light-emitting component of the imaging region does not shine, and the imaging region is transparent
State, light of the picture pick-up device intake across the imaging region；
When the display panel is in non-shooting state, the light-emitting component of the imaging region is in normal display state.
Second aspect, the embodiment of the present invention provide a kind of display device, including display panel described in first aspect.
Display panel provided in an embodiment of the present invention includes imaging region, and imaging region is transparence display area.Display panel is in bat
When taking the photograph state, the light-emitting component of imaging region does not shine, the transparent state in imaging region, and picture pick-up device absorbs the light across imaging region
Line.When display panel is in non-shooting state, the light-emitting component of imaging region is in normal display state.There is no need to for picture pick-up device it is pre-
Non-display area is stayed, to realize the full screen display of display panel.Further, it is also set up between light-emitting component and picture pick-up device
There is optical diaphragm group, optic film set includes linear polarizer and quarter-wave plate, is reflected by picture pick-up device at least partly miscellaneous
Astigmatism by optical diaphragm group stop without by human eye as it can be seen that realize the wheel for not showing under normal display state picture pick-up device
It is wide.
Detailed description of the invention
Fig. 1 is a kind of overlooking structure diagram of display panel provided in an embodiment of the present invention；
Fig. 2 is the schematic diagram of the section structure in the direction AA ' along Fig. 1；
Fig. 3 is the index path that light shown in Fig. 2 is propagated；
Fig. 4 is the schematic diagram of the section structure of another display panel provided in an embodiment of the present invention；
Fig. 5 is the schematic diagram of the section structure of another display panel provided in an embodiment of the present invention；
Fig. 6 is the schematic diagram of the section structure of another display panel provided in an embodiment of the present invention；
Fig. 7 is the enlarged structure schematic diagram in the region S in Fig. 6；
Fig. 8 is the schematic diagram of the section structure of another display panel provided in an embodiment of the present invention；
Fig. 9 is the part-structure top view of another display panel provided in an embodiment of the present invention；
Figure 10 is the part-structure top view of another display panel provided in an embodiment of the present invention；
Figure 11 is a kind of overlooking structure diagram of display device provided in an embodiment of the present invention.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention rather than limiting the invention.It also should be noted that in order to just
Only the parts related to the present invention are shown in description, attached drawing rather than entire infrastructure.
Fig. 1 is a kind of overlooking structure diagram of display panel provided in an embodiment of the present invention, and Fig. 2 is the side AA ' along Fig. 1
To the schematic diagram of the section structure, with reference to Fig. 1 and Fig. 2, display panel includes viewing area 100, and viewing area 100 includes imaging region 101
With non-imaging region 102, imaging region 101 is transparence display area.Display panel in transparence display area may be implemented transparent and aobvious
Show two kinds of functions.Picture pick-up device 40 can be set in imaging region 101, picture pick-up device 40 for example can be preposition camera unit.
Display panel includes light-emitting component 20 and optical diaphragm group 30.Light-emitting component 20 is located at viewing area 100 and towards display panel
Light emission side (broad arrow illustrates the light direction of display panel in Fig. 1) emergent ray.Optical diaphragm group 30 is located at imaging region 101
Interior light-emitting component 20 deviates from the side of light emission side, and between light-emitting component 20 and picture pick-up device 40, optical diaphragm group 30
Including linear polarizer 31 and quarter-wave plate 32, quarter-wave plate 32 is between linear polarizer 31 and picture pick-up device 40.
Wherein, when display panel is in shooting state, the light-emitting component 20 of imaging region 101 does not shine, and the transparent state in imaging region 101 is taken the photograph
As equipment 40 absorbs the light across imaging region 101 to obtain external image.When display panel is in non-shooting state, imaging region
101 light-emitting component 20 is in normal display state.It should be noted that may include the hair of multiple array arrangements in display panel
Optical element 20 only illustrates the position of 20 place film layer of light-emitting component in Fig. 1, does not show one by one a plurality of light-emitting elements 20
Out.
When display panel is in non-shooting state, the light-emitting component 20 of imaging region 101 is in normal display state, imaging region 101
Light-emitting component 20 both towards the light emission side emergent ray of display panel, the light-emitting component 20 of imaging region 101 deviates from display surface again
The light emission side emergent ray of plate.By the light-emitting component 20 of imaging region 101 away from display panel light emission side be emitted light and
Environment light (such as sunlight) is known as stray light, and after stray illumination is mapped to picture pick-up device 40, a part is absorbed by picture pick-up device 40,
A part is reflected by picture pick-up device 40.In the case where being not provided with optical diaphragm group 30, the stray light that is reflected by picture pick-up device 40
It will propagate to the light emission side of display panel and by human eye as it can be seen that influencing display effect to show the profile of picture pick-up device 40.
In the case where optical diaphragm group 30 are arranged, at least partly stray light reflected by picture pick-up device 40 is stopped by optical diaphragm group 30
Without by human eye as it can be seen that realize the profile for not showing under normal display state picture pick-up device 40.
Fig. 3 is the index path that light shown in Fig. 2 is propagated, referring to figs. 2 and 3, for clarity, below with four/
One wave plate 32 is made of calcite material, and the e axis of quarter-wave plate 32 and the saturating vibration direction PP of linear polarizer 31 are in 45 ° of (e
Axis and o axis are two optical axises of crystal) for, stop the process of stray light simply to be introduced optical diaphragm group 30: in face of
The observation of the light direction of propagation, when a branch of unpolarized light enters display panel, linear polarization is passed through by unpolarized light by elder generation
Become the polarization direction linearly polarized light parallel with saturating vibration direction PP after piece 31, then linearly polarized light is after quarter-wave plate 32
Become left circularly polarized light, which is reversely emitted after the reflection of picture pick-up device 40, then propagates in face of light
Direction observation left circularly polarized light becomes right-circularly polarized light, which becomes after first passing through quarter-wave plate 32
The polarization direction linearly polarized light vertical with saturating vibration direction PP, and the linearly polarized light quilt completely that polarization direction is vertical with saturating vibration direction PP
Linear polarizer 31 absorbs not passing through.
Display panel provided in an embodiment of the present invention includes imaging region, and imaging region is transparence display area.Display panel is in bat
When taking the photograph state, the light-emitting component of imaging region does not shine, the transparent state in imaging region, and picture pick-up device absorbs the light across imaging region
Line.When display panel is in non-shooting state, the light-emitting component of imaging region is in normal display state.There is no need to for picture pick-up device it is pre-
Non-display area is stayed, to realize the full screen display of display panel.Further, it is also set up between light-emitting component and picture pick-up device
There is optical diaphragm group, optic film set includes linear polarizer and quarter-wave plate, is reflected by picture pick-up device at least partly miscellaneous
Astigmatism by optical diaphragm group stop without by human eye as it can be seen that realize the wheel for not showing under normal display state picture pick-up device
It is wide.
Optionally, with reference to Fig. 2, picture pick-up device 40 is located at optical diaphragm group in the upright projection of 20 place plane of light-emitting component
30 in the upright projection of 20 place plane of light-emitting component.That is, optical diaphragm group 30 covers the whole of picture pick-up device 40,
Whole stray lights to be reflected by picture pick-up device 40 are required to through optical diaphragm group 30, to ensure that optical diaphragm group 30
There is good filter effect to stray light.In other embodiments, the covering camera shooting of optical diaphragm group 30 can also be arranged to set
Standby 40 partial region, it is not limited in the embodiment of the present invention.
Optionally, with reference to Fig. 2, display panel includes underlay substrate 10, and picture pick-up device 40 is located at underlay substrate 10 away from hair
The side of optical element 20.
Optionally, with reference to Fig. 2, optical diaphragm group 30 is set between underlay substrate 10 and picture pick-up device 40.Optical diaphragm
Group 30 can for example be attached at surface of the underlay substrate 10 far from 20 side of light-emitting component.The member that shines is made on underlay substrate 10
The components such as part 20 are to form independent display module, and by independent optical diaphragm group 30 and independent display module attaching group
It is vertical.In other embodiments, optical diaphragm group 30 can also be integrated into display module, the embodiment of the present invention does not do this
It limits.
Fig. 4 is the schematic diagram of the section structure of another display panel provided in an embodiment of the present invention, with reference to Fig. 4, optical film
Piece group 30 further includes half wave plate 33, and half wave plate 33 is between linear polarizer 31 and quarter-wave plate 32.
Illustratively, most sensitive to green light due to human eye, half wave plate 33 and quarter-wave plate 32 can be according to green lights
Wavelength designs.Such as half wave plate 33 and quarter-wave plate 32 are designed according to the green light of 550nm wavelength.It can manage
Solution, sunlight is a kind of polychromatic light, including continuous wavelength, and a plurality of light-emitting elements 20 can emit the light of different colours, example
Such as emit red, green and blue light.The green light of 550nm wavelength penetrates optics along the direction for deviating from display panel light emission side
Diaphragm group 30 forms circularly polarized light, and the light of other wavelength penetrates optical diaphragm group 30 along the direction for deviating from display panel light emission side
Form elliptically polarized light.The light of other wavelength refers to the light except 550nm wavelength.The green light of 550nm wavelength reflected after again
Secondary to be blocked fully through optical diaphragm group 30, the light of other wavelength is again passed through optical diaphragm group 30 by portion after being reflected
Point stop, still have the light of part travel to the light emission side of display panel and by human eye as it can be seen that and wavelength and 550nm difference it is bigger
Light be less susceptible to be stopped by optical diaphragm group 30.In the embodiment of the present invention, by quarter-wave plate 32 and linear polarizer
Half wave plate 33 is set between 31, it is maximum with averaging optical diaphragm group 30 for the blocking effect of feux rouges, green light and blue light
Degree stray light is intercepted.
Fig. 5 is the schematic diagram of the section structure of another display panel provided in an embodiment of the present invention, with reference to Fig. 5, optical film
Piece group 30 is between underlay substrate 10 and light-emitting component 20.The components such as light-emitting component 20 are made on underlay substrate 10 with shape
During at display module, optical diaphragm group 30 can be integrated into display module.
Fig. 6 is the schematic diagram of the section structure of another display panel provided in an embodiment of the present invention, with reference to Fig. 6, display surface
Plate includes the thin film transistor (TFT) array 50 for controlling the light-emitting component 20 of viewing area 100, and optical diaphragm group 30 is located at film crystalline substance
Between body pipe array 50 and underlay substrate 10.Thin film transistor (TFT) array 50 may include the thin film transistor (TFT) of multiple array arrangements,
The thin film transistor (TFT) being electrically connected with light-emitting component 20 controls the luminance of the light-emitting component 20.Film is only illustrated in Fig. 6
The position of 50 place film layer of transistor array, does not show multiple thin film transistor (TFT)s in thin film transistor (TFT) array 50 one by one.
Fig. 7 is the enlarged structure schematic diagram in the region S in Fig. 6, and with reference to Fig. 6 and Fig. 7, thin film transistor (TFT) array 50 includes multiple
Thin film transistor (TFT) 51 (is illustrated in Fig. 7 with 2 thin film transistor (TFT)s 51).In non-imaging region 102, light-emitting component 20 includes anode
201, organic light-emitting structure 202 and cathode 203.Anode 201 is reflecting electrode, and anode 201 for example may include silver and indium oxide
Tin.Cathode 203 is half-reflection and half-transmission electrode, and cathode 203 for example may include silver-colored magnesium alloy.In the common of anode 201 and cathode 203
Under driving, the light towards cathode 203 that organic light-emitting structure 202 generates is emitted through cathode 203, organic light-emitting structure 202
The light towards anode 201 generated is emitted after being reflected by anode 201 through cathode 203.The source electrode of thin film transistor (TFT) 51 or
Drain electrode can be electrically connected with anode 201, and control the luminance of light-emitting component 20.It (is not shown in Fig. 7) in imaging region 101,
Cathode 201 and anode 203 can use transparent electrode, and cathode 201 and anode 203 for example may include tin indium oxide, thus
Imaging region 101 is in transparent state when the light-emitting component 20 of imaging region 101 being made not shine.
Fig. 8 is the schematic diagram of the section structure of another display panel provided in an embodiment of the present invention, with reference to Fig. 8, substrate base
Plate 10 is flexible substrate substrate, and flexible substrate substrate includes first flexible substrate 11 and second flexible substrate 12, the first flexible base
Plate 11 is located at side of the second flexible substrate 12 far from light-emitting component 20, and optical diaphragm group 30 is located at first flexible substrate 11 and
Between two flexible base boards 12.Second flexible substrate 12, the second flexible base are separated between light-emitting component 20 and optical diaphragm group 30
Plate 12 plays the role of planarization, avoids the adverse effect that optical diaphragm group 30 generates light-emitting component 20.
Fig. 9 is the part-structure top view of another display panel provided in an embodiment of the present invention, with reference to Fig. 9, imaging region
The light-emitting area of light-emitting component 20 in 101 is greater than the hair that the light-emitting component 20 of luminescent color of the same race is presented in non-imaging region 102
Light area.Since the electrode in imaging region 101 is all made of transparent electrode, the light-emitting component 20 of imaging region 101 deviates from display panel
Light emission side outgoing light in a part can be absorbed by picture pick-up device 40, therefore when showing picture, the hair of imaging region 101
Brightness is lower than the light emission luminance of non-imaging region 102.In the embodiment of the present invention, pass through the light-emitting component in setting imaging region 101
20 light-emitting area is greater than the light-emitting area that the light-emitting component 20 of luminescent color of the same race is presented in non-imaging region 102, is taken the photograph with improving
As the light emission luminance of light-emitting component 20 in area 101, make the light emission luminance of light-emitting component 20 and non-imaging region 102 in imaging region 101
In luminescent color of the same race light-emitting component 20 light emission luminance it is consistent.
Illustratively, with reference to Fig. 9, display panel include it is multiple in X direction and along Y-direction array arrangement light-emitting component
20, the region between two neighboring light-emitting component 20 is non-light-emitting area.A plurality of light-emitting elements 20 include being located at non-imaging region 102
First light-emitting component 21, the second light-emitting component 22 and third light-emitting component 23, a plurality of light-emitting elements 20 further include being located at imaging region
101 the 4th light-emitting component 24, the 5th light-emitting component 25 and the 6th light-emitting component 26.First light-emitting component 21 and the 4th luminous member
The luminescent color having the same of part 24, the first light-emitting component 21 glow with the 4th light-emitting component 24.Second light-emitting component 22 with
The luminescent color having the same of 5th light-emitting component 25, the second light-emitting component 22 and 25 green light of the 5th light-emitting component.Third hair
Optical element 23 and the luminescent color having the same of the 6th light-emitting component 26, third light-emitting component 23 turn blue with the 6th light-emitting component 26
Light.The light-emitting area of 4th light-emitting component 24 is greater than the light-emitting area of the first light-emitting component 21, and the 5th light-emitting component 25 shines
Area is greater than the light-emitting area of the second light-emitting component 22, and the light-emitting area of the 6th light-emitting component 26 is greater than third light-emitting component 23
Light-emitting area.
Figure 10 is the part-structure top view of another display panel provided in an embodiment of the present invention, with reference to Figure 10, camera shooting
Spacing in area 101 between adjacent light emitting element 20 is greater than the spacing in non-imaging region 102 between adjacent light emitting element 20.With it is non-
Light-emitting component 20 in imaging region 102 is compared, and has biggish spacing, camera shooting in imaging region 101 between adjacent light emitting element 20
Also there is biggish spacing between the component of the driving such as adjacent films transistor light-emitting component 20 in area 101, to reduce
Blocking of the components such as thin film transistor (TFT) to light, is able to ascend the transmitance of imaging region 101, increases the accuracy of camera shooting.
Illustratively, with reference to Figure 10, repeating place with Fig. 9, details are not described herein.In non-imaging region 102, two neighboring hair
Optical element 20 is W1 the distance between in X direction, and two neighboring light-emitting component 20 is H1 along the distance between Y-direction.Adjacent two
A luminescence unit 20 the distance between in X direction for two neighboring luminescence unit 20 adjacent to one another edge in X direction between
Distance, two neighboring luminescence unit 20 along the distance between Y-direction be two neighboring luminescence unit 20 adjacent to one another edge along Y
The distance between direction.In imaging region 101, two neighboring light-emitting component 20 is W2, two neighboring hair the distance between in X direction
Optical element 20 is H2 along the distance between Y-direction.H1=H2, W1 < W2.In other embodiments, H1 < also can be set
H2, W1=W2；Or setting H1 < H2, W1 < W2, it is not limited in the embodiment of the present invention.
The embodiment of the invention also provides a kind of display device, Figure 11 is a kind of display device provided in an embodiment of the present invention
Overlooking structure diagram, as shown in figure 11, display device provided in an embodiment of the present invention includes any embodiment of that present invention institute
The display panel 200 stated can be mobile phone as shown in Figure 11, or computer, television set, intelligent wearable device
Deng the embodiment of the present invention is not particularly limited this.
Note that the above is only a better embodiment of the present invention and the applied technical principle.It will be appreciated by those skilled in the art that
The invention is not limited to the specific embodiments described herein, be able to carry out for a person skilled in the art it is various it is apparent variation,
It readjusts, be combined with each other and substitutes without departing from protection scope of the present invention.Therefore, although by above embodiments to this
Invention is described in further detail, but the present invention is not limited to the above embodiments only, is not departing from present inventive concept
In the case of, it can also include more other equivalent embodiments, and the scope of the invention is determined by the scope of the appended claims.
Claims (11)
1. a kind of display panel characterized by comprising
Viewing area, the viewing area include imaging region and non-imaging region, and the imaging region is transparence display area；
Light-emitting component, the light-emitting component are located at the viewing area and the light emission side emergent ray towards the display panel；
Optical diaphragm group, the optical diaphragm group are located at one that the light-emitting component in the imaging region deviates from the light emission side
Side, and between the light-emitting component and picture pick-up device, the optical diaphragm group include linear polarizer and quarter-wave plate,
The quarter-wave plate is between the linear polarizer and the picture pick-up device；Wherein,
When the display panel is in shooting state, the light-emitting component of the imaging region does not shine, the transparent state in imaging region,
Light of the picture pick-up device intake across the imaging region；
When the display panel is in non-shooting state, the light-emitting component of the imaging region is in normal display state.
2. display panel according to claim 1, which is characterized in that the optical diaphragm group further includes half wave
Piece, the half wave plate is between the linear polarizer and the quarter-wave plate.
3. display panel according to claim 1, which is characterized in that the picture pick-up device is put down where the light-emitting component
The upright projection in face is located at the optical diaphragm group where the light-emitting component in the upright projection of plane.
4. display panel according to claim 1, which is characterized in that the display panel includes underlay substrate, described to take the photograph
As equipment is located at the side that the underlay substrate deviates from the light-emitting component.
5. display panel according to claim 4, which is characterized in that the optical diaphragm group is set to the underlay substrate
Between the picture pick-up device.
6. display panel according to claim 4, which is characterized in that the optical diaphragm group be located at the underlay substrate with
Between the light-emitting component.
7. display panel according to claim 6, which is characterized in that the display panel includes for controlling the display
The thin film transistor (TFT) array of the light-emitting component in area, the optical diaphragm group are located at the thin film transistor (TFT) array and the substrate base
Between plate.
8. display panel according to claim 6, which is characterized in that the underlay substrate is flexible substrate substrate, described
Flexible substrate substrate includes first flexible substrate and second flexible substrate, and it is remote that the first flexible substrate is located at second flexible substrate
Side from the light-emitting component, the optical diaphragm group be located at the first flexible substrate and the second flexible substrate it
Between.
9. display panel according to claim 1, which is characterized in that the light-emitting area of the light-emitting component in the imaging region
Greater than the light-emitting area for the light-emitting component that luminescent color of the same race is presented in the non-imaging region.
10. display panel according to claim 1, which is characterized in that in the imaging region between adjacent light emitting element
Spacing is greater than the spacing in the non-imaging region between adjacent light emitting element.
11. a kind of display device, which is characterized in that including display panel described in claim 1-10 any one.
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