CN110767678B - Display panel, display screen and display terminal - Google Patents
Display panel, display screen and display terminal Download PDFInfo
- Publication number
- CN110767678B CN110767678B CN201810887672.7A CN201810887672A CN110767678B CN 110767678 B CN110767678 B CN 110767678B CN 201810887672 A CN201810887672 A CN 201810887672A CN 110767678 B CN110767678 B CN 110767678B
- Authority
- CN
- China
- Prior art keywords
- display panel
- substrate
- layer
- display
- electrode
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000000758 substrate Substances 0.000 claims abstract description 84
- 229920001621 AMOLED Polymers 0.000 claims description 16
- 238000002955 isolation Methods 0.000 claims description 12
- 238000002834 transmittance Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 8
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 claims description 5
- 230000003068 static effect Effects 0.000 claims description 5
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 claims description 5
- 125000006850 spacer group Chemical group 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 19
- 230000003313 weakening effect Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 12
- 230000036961 partial effect Effects 0.000 description 8
- 239000011295 pitch Substances 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 230000006872 improvement Effects 0.000 description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/60—OLEDs integrated with inorganic light-sensitive elements, e.g. with inorganic solar cells or inorganic photodiodes
- H10K59/65—OLEDs integrated with inorganic image sensors
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133504—Diffusing, scattering, diffracting elements
Landscapes
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Nonlinear Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Mathematical Physics (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Electroluminescent Light Sources (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention relates to a display panel, a display screen and a display terminal, wherein the display panel comprises: a substrate; the structure film layers are formed on the substrate and sequentially laminated, and projections of the structure film layers on the substrate have an overlapping area; the plurality of structural film layers comprises a first structural film layer and a second structural film layer; the projection of the first structural film layer and the projection of the second structural film layer on the substrate are provided with the overlapping area, the projection of the second structural film layer on the substrate is completely covered by the projection of the first structural film layer on the substrate, and the projected edge of the first structural film layer and the projected edge of the second structural film layer are not parallel to each other. The purpose of weakening diffraction effect can be achieved in the display panel.
Description
Technical Field
The present invention relates to the field of display technologies, and in particular, to a display panel, a display screen, and a display terminal.
Background
With the rapid development of display terminals, the requirements of users on the screen ratio are higher and higher, so that the comprehensive screen display of the display terminals receives more and more attention in the industry. The conventional display terminals such as mobile phones and tablet computers need to integrate such as a front camera, a receiver and an infrared sensing element, so that the full-screen display of the display terminal can be realized by slotting (Notch) on the display screen and arranging a transparent display screen in the slotting area. However, the inventors found that when a photosensitive element such as a camera is provided below a display panel, a problem of blurring of a photographed image to a large extent often occurs.
Disclosure of Invention
Based on this, it is necessary to provide a display panel, a display screen and a display terminal for the problem that when a camera is disposed below the display panel in a conventional display terminal, an image obtained by photographing often becomes blurred to a great extent.
A display panel, comprising:
a substrate; and
the structure film layers are formed on the substrate and sequentially laminated, and projections of the structure film layers on the substrate have an overlapping area; the plurality of structural film layers comprises a first structural film layer and a second structural film layer; the projection of the first structural film layer on the substrate and the projection of the second structural film layer on the substrate have the overlapping area, the projection of the second structural film layer on the substrate is completely covered by the projection of the first structural film layer on the substrate, and the projected edge of the first structural film layer and the projected edge of the second structural film layer are not parallel to each other.
In the display panel, a plurality of sequentially laminated structure film layers are formed on a substrate, and the projections of the plurality of structure film layers on the substrate have an overlapping area. And the plurality of structural film layers comprise a first structural film layer and a second structural film layer, the projections of the two structural film layers on the substrate have overlapping areas, the projection of the second structural film layer on the substrate is completely covered by the projection of the first structural film layer on the substrate, and the edge of the projection of the first structural film layer on the substrate and the edge of the projection of the second structural film layer on the substrate are not parallel to each other. Therefore, when light passes through the display panel, since the edge pitches of the first structural film layer and the second structural film layer are not the same, diffraction fringes generated in the position areas with different pitches have different positions. Diffraction at different positions is counteracted, the purpose of weakening diffraction effect can be achieved finally, and therefore higher definition of a pattern obtained by photographing is guaranteed when the camera is arranged below the display panel.
In one embodiment, the plurality of structural film layers includes:
a first electrode layer formed on the substrate;
the pixel definition layer is formed on the first electrode layer, a plurality of pixel openings are formed in the pixel definition layer, and a light-emitting structure layer is formed in the pixel openings;
wherein the first structural film layer is the first electrode layer; the second structural film layer is the light-emitting structural layer.
In one embodiment, the display panel is an AMOLED display panel, and the first electrode layer includes a plurality of first electrodes independent from each other; each first electrode corresponds to one light-emitting structure layer; the center point of projection of the first electrode on the substrate and the center point and/or the central axis of projection of the light-emitting structure layer on the substrate are mutually staggered.
In one embodiment, the projection of the first electrode on the substrate has a different shape than the projection of the light emitting structure layer on the substrate.
In one embodiment, the projection of the light-emitting structure layer on the substrate is circular, elliptical or dumbbell-shaped.
In one embodiment, the display panel is an AMOLED display panel; the structural film layer further comprises a support column formed on the pixel definition layer; the first structural film layer is a support column; the second structural film layer is the pixel definition layer.
In one embodiment, the display panel is a PMOLED display panel, and the first electrode layer includes a plurality of wavy first electrodes; the first electrodes extend in parallel along the same direction, and the adjacent first electrodes have a space; the width of the first electrode is continuously changed or is changed at intervals in the extending direction of the first electrode.
In one embodiment, each pixel opening on the pixel defining layer is located over a region between two adjacent valleys on the first electrode; in the extending direction of the first electrode, the amplitudes of two adjacent wave crests or two adjacent wave troughs are different.
In one embodiment, the projection of the pixel opening on the substrate is circular, elliptical or dumbbell-shaped.
In one embodiment, in the extending direction of the first electrode, the amplitude values of two adjacent peaks or two adjacent valleys are the same; the projections of two adjacent pixel openings on the pixel defining layer on the substrate have different shapes.
In one embodiment, the display panel is a PMOLED display panel; the structural film layer further comprises isolation columns formed on the pixel definition layer; the first structural film layer is the isolation column; the second structural film layer is the pixel definition layer.
In one embodiment, each of the structured film materials has a light transmittance of greater than 90%.
The conductive trace of the display panel is made of indium tin oxide, indium zinc oxide, silver-doped indium tin oxide or silver-doped indium zinc oxide.
A display screen, characterized by at least one display area; the at least one display area comprises a first display area, and a photosensitive device can be arranged below the first display area;
the display panel according to any one of the foregoing embodiments is disposed in the first display area, and each display area in the at least one display area is used for displaying a dynamic or static picture.
In one embodiment, the at least one display area further comprises a second display area; the display panel arranged in the first display area is a PMOLED display panel or an AMOLED display panel, and the display panel arranged in the second display area is an AMOLED display panel.
A display terminal, comprising:
an equipment body having a device region;
the display screen of any of the preceding embodiments, overlaying the device body;
the device region is positioned below the first display region, and a photosensitive device for collecting light rays through the first display region is arranged in the device region.
In one embodiment, the device region is a recessed region; and the photosensitive device comprises a camera and/or a light sensor.
Drawings
FIG. 1 is a schematic view of a conventional projection of two structural film layers onto a substrate;
FIG. 2 is a schematic diagram of a display panel according to an embodiment;
FIG. 3 is a schematic diagram of a first electrode in a PMOLED display panel according to an embodiment;
FIG. 4 is a schematic diagram of a first electrode in a PMOLED display panel according to another embodiment;
FIG. 5 is a schematic diagram showing the structure of a first electrode in a PMOLED display panel according to another embodiment;
FIG. 6 is a partial schematic view showing the projection of the light emitting structure layer and the first electrode layer on the substrate in the PMOLED display panel according to the first embodiment;
FIG. 7 is a partial schematic view showing the projection of the light emitting structure layer and the first electrode layer on the substrate in the PMOLED display panel according to the second embodiment;
FIG. 8 is a partial schematic view showing the projection of the light emitting structure layer and the first electrode layer on the substrate in the PMOLED display panel according to the third embodiment;
fig. 9 is a partial schematic view showing projections of a light emitting structure layer and a first electrode layer on a substrate in a PMOLED display panel in a fourth embodiment;
FIG. 10 is a schematic diagram of an anode in an AMOLED display panel according to an embodiment;
FIG. 11 is a schematic view of an anode in an AMOLED display panel in another embodiment;
FIG. 12 is a partial schematic view of a projection of a light emitting structure layer and a first electrode layer on a substrate in an AMOLED display panel according to an embodiment;
FIG. 13 is a partial schematic view of a projection of a light emitting structure layer and a first electrode layer on a substrate in an AMOLED display panel in another embodiment;
FIG. 14 is a schematic diagram of a display screen in an embodiment;
fig. 15 is a schematic structural diagram of a display terminal in an embodiment;
fig. 16 is a schematic structural diagram of an apparatus body in an embodiment.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
In the description of the present invention, it should be understood that the terms "center," "lateral," "upper," "lower," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, it will be understood that when an element is referred to as being "formed on" another element, it can be directly connected to the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present.
As described in the background art, when a photosensitive device such as a camera is disposed below a transparent display panel, a photograph obtained by photographing is blurred. The inventor researches and discovers that the reason for the problem is that, because the conductive wires exist in the display screen of the electronic equipment, more complex diffraction intensity distribution is caused when external light passes through the conductive wires, so that diffraction fringes appear, and normal operation of photosensitive devices such as cameras and the like can be affected. For example, when the camera below the transparent display area works, external light rays can be obviously diffracted after being routed through the lead material in the display screen, so that the picture shot by the camera is distorted.
In order to solve the above problems, an embodiment of the present application provides a display panel, which can well solve the above problems. The display panel in one embodiment comprises a substrate and a plurality of structure film layers sequentially stacked on the substrate. The projections of the plurality of structural film layers on the substrate have overlapping areas, that is, when external light is incident on the same position of the display panel, at least two film layers can be passed through. The plurality of structural film layers includes a first structural film layer and a second structural film layer. The projection of the first structural film layer and the projection of the second structural film layer on the substrate are provided with overlapping areas, and the projection of the second structural film layer on the substrate is in a nesting relationship. In this embodiment, the nesting relationship is: the projection of the first structural film layer is located in the projection of the second structural film layer onto the substrate or is completely covered, i.e. the projection in the second structural film layer is located in the projection of the first structural film layer. All references herein to projection are to projection onto a substrate. The projected edges of the first and second structural film layers on the substrate are not parallel to each other, so that the edge spacing at the corresponding locations of the first and second structural film layers is varied, rather than the same spacing. In an embodiment, the structural film layers (i.e., the first structural film layer and the second structural film layer) may include an anode layer, a light emitting structural layer, a pixel defining layer, and the like. When the display panel is a PMOLED display panel, the structural film layer also includes spacer pillars (RIB). When the display panel is an AMOLED display panel, the structural film layer further includes Support Posts (SPC).
When light passes through the display panel, the diffraction fringes generated in the position areas with different pitches have different positions due to different edge pitches of the first structural film layer and the second structural film layer. Diffraction at different positions is counteracted, the purpose of weakening diffraction effect can be achieved finally, and therefore higher definition of a pattern obtained by photographing is guaranteed when the camera is arranged below the display panel.
In conventional display panels, it is often necessary to align the patterns on each structural film layer, for example, to align the anode with the light emitting structure layer such that the center lines of the anode and the light emitting structure are in the same vertical direction. And, it may be desirable to achieve precise alignment without deviation during alignment. In this case, in the projection of each structural film layer on the substrate, the edge spacing between the two layers is the same, i.e. there is a uniform spacing distribution throughout, as shown in fig. 1. A schematic illustration of the projection of two structural film layers (light-emitting structural layer and anode layer) into a substrate is only given in fig. 1. The spacing between the edges of each structural film layer is the same everywhere. Therefore, when light passes through the conventional display panel, diffraction fringes with the same positions are generated everywhere, so that a more obvious diffraction effect is generated. The edge spacing of the first structure film layer and the second structure film layer in the display panel is variable, and uniform spacing distribution between traditional structure film layers can be broken, so that diffraction fringes passing through the position are different in position, diffraction at different positions are counteracted, and the effect of reducing diffraction is achieved.
Fig. 2 is a schematic structural diagram of a display panel according to an embodiment. Referring to fig. 2, the display panel is a PMOLED display panel, and specifically includes a substrate 110, a first electrode layer 120, a light emitting structure layer 130, a second electrode layer 140, and a pixel defining layer 150. Wherein the first electrode layer 120 is formed on the substrate 110. The pixel defining layer 150 is formed on the first electrode layer 120. The pixel defining layer 150 has a plurality of pixel openings thereon, and the pixel openings are formed with the light emitting structure layer 130 and the second electrode layer 140 on the first electrode layer 120.
The substrate 110 may be a rigid substrate or a flexible substrate, for example, a transparent substrate such as a glass substrate, a quartz substrate, or a plastic substrate may be selected as the rigid substrate, and a flexible PI substrate may be selected as the flexible substrate.
In an embodiment, in order to improve the light transmittance of the display panel, each conductive trace of the display panel is made of a transparent conductive metal oxide, for example, the first electrode layer 120 and the second electrode layer 140 are made of transparent conductive metal oxide. For example, the first electrode layer 120 and the second electrode layer 140 may each be made of ITO (indium tin oxide) or indium zinc oxide (IZ 0). Further, in order to reduce the resistance of each conductive trace on the basis of ensuring high light transmittance, the first electrode layer 120 and the second electrode layer 140 may be made of materials such as aluminum doped zinc oxide, silver doped ITO, or silver doped IZ 0.
In one embodiment, the first structural film layer is the first electrode layer 120. The second structural film layer is a light emitting structural layer 130. That is, there is an overlapping region of the projections of the first electrode layer 120 and the light emitting structure layer 130 on the substrate, and the projected edges of the two are not parallel to each other. Thus, the method is applicable to a variety of applications. The edge pitches of the first electrode layer 120 and the light emitting structure layer 130 are varied, so that diffraction fringes at different positions are generated due to different edge pitches when light passes through the corresponding regions. Diffraction at different positions is counteracted, and therefore the effect of reducing diffraction is achieved.
In one embodiment, the first electrode layer 120 includes a plurality of undulating first electrodes, as shown in FIG. 3. The first electrodes extend in parallel along the same direction, and the adjacent first electrodes have a space. In this embodiment, since the first electrode is wavy, the width thereof is continuously or intermittently changed in the extending direction of the first electrode. The continuous change in width means that the widths at any two adjacent positions on the first electrode are not the same. In fig. 3, the extending direction of the first electrode is the longitudinal direction thereof.
The width of the first electrode varies intermittently in the extending direction. And intermittent variation in width refers to: the widths of two adjacent positions in the partial region are the same on the first electrode, and the widths of two adjacent positions in the partial region are different. In the present embodiment, the plurality of first electrodes are regularly arranged on the substrate 110, and thus, the gap between adjacent two first electrodes also exhibits a continuous variation or a discontinuous variation in the extending direction parallel to the first electrodes. The first electrode may be periodically changed in the extending direction regardless of whether the width thereof is continuously changed or intermittently changed, and the length of one change period may correspond to the width of one pixel.
The display panel is provided with a plurality of wavy first electrodes, and the widths of the first electrodes continuously change or discontinuously change in the extending direction of the first electrodes, so that adjacent first electrodes have continuously-changing intervals or intermittently-changing intervals. Therefore, the positions of the diffraction fringes produced between the different width positions of the first electrodes and the different distances between the adjacent first electrodes are different, and the derivative effects at the different positions are mutually offset, so that the diffraction effects can be effectively weakened, and the fact that the patterns obtained by photographing have higher definition when the camera is arranged below the transparent display panel is ensured.
In an embodiment, the first electrode has a symmetrical structure in its own extending direction, as can be seen in fig. 3. Since the arrangement of the width of the first electrode directly affects the pixel opening in the display panel, the pixel opening ratio of the display panel is affected. The first electrodes are arranged in a symmetrical structure, so that each pixel unit on the display panel can have the same or similar aperture ratio, and the problem that the display effect of the display panel is affected due to the fact that the aperture ratios of the pixel units at different positions are large in difference is avoided.
In one embodiment, both sides of the first electrode in the extending direction are wavy, as shown in fig. 3. The peaks T and the troughs B of the two sides in the extending direction are oppositely arranged. In this embodiment, the two sides are each formed by connecting circular arc sides with the same radius of curvature. In other embodiments, the two sides may be connected by oval sides of the same radius of curvature, as shown in FIG. 4. By arranging the two sides of the first electrode to be in a wave shape formed by connecting circular arcs or ellipses, diffraction fringes generated on the first electrode can be ensured to be diffused in different directions, and then diffraction effects are reduced.
In one embodiment, the connection portion 22 is formed at the opposite of the trough of the first electrode, as shown in fig. 5. The connecting portion 22 is strip-shaped. The width of the connection 22 should be greater than X microns and less than the maximum width on the first electrode. X is the minimum process dimension, in this embodiment 4 microns, and may be smaller in other embodiments. In one embodiment, the area between two adjacent connection portions 22 on the first electrode corresponds to one pixel opening, and the connection portion 22 corresponds to a gap between two adjacent pixel openings. By adjusting the width of the connection 22, an adjustment of the resistance on the first electrode can be achieved so that it meets the use requirements. In other embodiments, the connecting portion 22 may have other irregular structures, such as a shape with a small middle and a large end, or a shape with a small middle and a small end.
In the first electrode shown in fig. 3 to 5, the extending direction of the first electrode. The amplitude of two adjacent peaks or two adjacent valleys is the same, i.e. the width of the first electrode varies periodically. The pixel opening (i.e., the light emitting structure layer 130) in the pixel defining layer 150 is located between two adjacent valleys on the first electrode, as shown in fig. 6. At this time, the light emitting structure layers 130 are formed in a circular shape. Since the shape of the light emitting structure layer 130 is defined by the pixel openings of the pixel defining layer 150, that is, the shape of the pixel openings is circular.
In the present embodiment, in the projection of the substrate 110, the projection center of the circular light emitting structure layer 130 is not coincident with the middle point of two adjacent valleys, so that the edge distance AA between the light emitting structure layer 130 and the first electrode layer 120 is not unique, and a better diffraction improvement effect is generated. In other embodiments, the light emitting structure layer 130 may also be elliptical or dumbbell-shaped. In another embodiment, the adjacent light emitting structure layers 130 are identical in shape, as shown in fig. 7 and 8. Wherein, the adjacent light emitting structure layers 130 in fig. 7 and 8 are oval or dumbbell-shaped with different placement directions. It is thus possible to ensure that the edge spacing between the adjacent light emitting structure layers 130 and the first electrode layer 120 is necessarily varied for the purpose of improving diffraction.
In another embodiment, the amplitude of two adjacent peaks or two adjacent valleys is different in the extending direction of the first electrode, as shown in fig. 9. At this time, the light emitting structure layers 130 are also located between two adjacent valleys of the first electrode, and each light emitting structure layer 130 may have the same shape, such as a circular shape, an oval shape, or a dumbbell shape. Each of the light emitting structure layers 130 in fig. 9 is circular. In another embodiment, the shapes of the two adjacent light emitting structure layers 130 may also be different (i.e., the shapes of the two adjacent pixel openings are different), so as to ensure that the edge spacing between the two is varied.
In one embodiment, when the display panel is a PMOLED display panel, the display panel further includes spacer pillars 160 formed on the pixel defining layer 150, as shown in fig. 2. The isolation pillars 160 serve to isolate cathodes (i.e., the second electrode layer 140) of two adjacent rows or columns of subpixels and define the shape of the cathodes of two adjacent rows or columns of subpixels. At this time, the first structural film layer is the pixel defining layer 150, and the second structural film layer is the isolation pillar 160. The projected edges of the isolation pillars 160 on the substrate 110 and the projected edges of the pixel defining layer 150 on the substrate 110 are not parallel to each other, such that the edge spacing of the isolation pillars 160 and the pixel defining layer 150 also exhibits varying spacing to reduce diffraction effects. In an embodiment, the isolation pillars 160, the pixel defining layer 150, the first electrode layer 120, and the light emitting structure layer 130 can be adjusted simultaneously, so that the edges of the isolation pillars and the light emitting structure layer have a variable spacing therebetween, thereby achieving a better diffraction improvement effect.
In another embodiment, the display panel is an AMOLED display panel. At this time, the first electrode layer 120 includes a plurality of first electrodes independent of each other. A plurality of mutually independent first electrodes form an anode array. The anode may be circular, oval or dumbbell-shaped. Fig. 10 is a schematic view of an anode array formed using circular anodes, and fig. 11 is a schematic view of an anode array formed using dumbbell-shaped anodes. By changing the anode shape to a circular, oval or dumbbell shape, it is ensured that diffraction fringes having different positions and diffusion directions can be generated at different width positions of the anode as light passes through the anode layer, thereby weakening the diffraction effect.
Each first electrode corresponds to one light emitting structure layer 130. The first structural film layer is a first electrode layer 120, and the second structural film layer is a light emitting structural layer 130. The projection of the first electrode on the substrate 110 is offset from the projection of the light emitting structure layer 130 on the substrate 110 such that the projected edges of the two are not parallel to each other, as shown in fig. 12. At this time, the light emitting structure layer 130 and the first electrode are both circular (i.e., have the same shape), and the centers thereof are not in the same vertical direction perpendicular to the substrate 110. In another embodiment, the light emitting structure layer 130 and the first electrode may have different shapes, for example, the light emitting structure layer 130 has an elliptical shape, the first electrode has a circular shape or a dumbbell shape, or the first electrode is arranged in a reverse manner. Fig. 13 is a schematic view illustrating a projection of the first electrode and the light emitting structure layer 130 in another embodiment. At this time, the first electrode has a conventional square shape, and the light emitting structure layer 130 has an irregular polygonal structure. Since the shape of the light emitting structure layer 130 is defined by the pixel opening of the pixel defining layer in this case, the pixel opening of the pixel defining layer is not defined after the shape of the light emitting structure layer 130 is mentioned.
In another embodiment, when the display panel is an AMOLED display panel, the display panel further includes support posts formed on the pixel definition layer. At this time, the second structural film layer is a support column, and the first structural film layer is a pixel definition layer. The projection of the support posts on the substrate and the projected edges of the pixel defining layer on the substrate are not parallel to each other, so that the edge spacing of the support posts and the pixel defining layer also exhibits varying spacing to reduce diffraction effects. In an embodiment, the isolation columns, the pixel defining layer, the first electrode layer and the light emitting structure layer may be adjusted at the same time, so that the edges of the isolation columns, the pixel defining layer, the first electrode layer and the light emitting structure layer have a variable distance therebetween, thereby achieving a better diffraction improvement effect.
In an embodiment, the display panel may be an LCD display panel.
In an embodiment, the display panel may be a transparent or semi-transparent and semi-reflective display panel. The transparency of the display panel can be achieved by using layers of material with a good light transmittance. For example, each layer adopts light transmittanceAnd more than 90% of material, so that the light transmittance of the entire display panel can be more than 70%. Optionally, each layer is made of a material with a light transmittance of more than 95%, so that the light transmittance of the whole display panel is more than 80%. Specifically, conductive wirings such as a cathode and an anode can be provided as ITO, IZO, ag +ITO or Ag+IZO, etc., and the insulating layer material is preferably SiO 2 ，SiN x Al and 2 O 3 and the like, the pixel defining layer 150 is made of a highly transparent material. It can be appreciated that the transparency of the display panel can also be achieved by other technical means, and the structure of the display panel can be applied. The transparent or semi-transparent and semi-reflective display panel can normally display when in a working state, and is in a non-display state when not working. When the display panel is in a non-display state, the panel is transparent or semitransparent. At this time, a photosensitive device or the like placed under the display panel can be seen through the display panel.
An embodiment of the application also provides a display screen. The display screen has at least one display area. Each display area is used for displaying a dynamic or static picture. The at least one display area includes a first display area. The first display area is provided with a display panel as mentioned in any of the previous embodiments. A photosensitive device may be disposed under the first display area. Since the first display area adopts the display panel in the foregoing embodiment, when light passes through the display area, no significant diffraction effect is generated, so that the photosensitive device located below the first display area can be ensured to work normally. It can be understood that when the photosensitive device does not work, the first display area can normally perform dynamic or static image display, and when the photosensitive device works, the first display area changes along with the change of the display content of the whole display screen, for example, the external image being photographed is displayed, or the first display area can also be in a non-display state, so that the photosensitive device can further ensure that light collection can be performed normally through the display panel.
Fig. 14 is a schematic structural diagram of a display screen in an embodiment, where the display screen includes a first display area 910 and a second display area 920. Wherein the light transmittance of the first display region 910 is greater than the light transmittance of the second display region 920. A photosensitive device 930 may be disposed under the first display region 910. The first display area 910 is provided with a display panel as mentioned in any of the previous embodiments. The first display area 910 and the second display area 920 are each used to display a still or moving picture. Since the display panel in the foregoing embodiment is adopted for the first display area 910, no significant diffraction effect is generated when light passes through the display area, so that the light sensing device 930 located below the first display area 910 can be ensured to work normally. It can be appreciated that the first display area 910 may normally perform dynamic or static image display when the photosensitive device 930 is not in operation, and may be in a non-display state when the photosensitive device 930 is in operation, so as to ensure that the photosensitive device 930 can perform light collection normally through the display panel. In other embodiments, the light transmittance of the first display area 910 and the second display area 920 may be the same, so that the entire display panel has better light transmittance uniformity, and a better display effect of the display panel is ensured.
In an embodiment, the display panel disposed in the first display area 910 is a PMOLED display panel or an AMOLED display panel, and the display panel disposed in the second display area 920 is an AMOLED display panel, so as to form a full screen composed of the PMOLED display panel and the MOLED display panel.
The other embodiment of the application also provides a display terminal. Fig. 15 is a schematic structural diagram of a display terminal in an embodiment, which includes a device body 810 and a display screen 820. The display screen 820 is disposed on the device body 810 and is connected to the device body 810. The display 820 may be any of the display described above, and is used to display a still or dynamic image.
Fig. 16 is a schematic structural diagram of an apparatus body 810 in an embodiment. In this embodiment, the device body 810 may have a slotted region 812 and a non-slotted region 814. Photosensitive devices such as a camera 930 and a light sensor may be disposed in the slotted region 812. At this time, the display panels of the first display area of the display screen 820 are attached together corresponding to the slotted area 812, so that the above-mentioned photosensitive devices such as the camera 930 and the light sensor can collect external light through the first display area. The display panel in the first display area can effectively improve the diffraction phenomenon generated by the transmission of the external light to the first display area, so that the quality of the image shot by the camera 930 on the display device can be effectively improved, the distortion of the shot image caused by diffraction is avoided, and meanwhile, the accuracy and the sensitivity of the optical sensor for sensing the external light can be improved.
The electronic equipment can be digital equipment such as a mobile phone, a tablet, a palm computer, an ipod and the like.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (11)
1. A display panel, comprising:
a substrate; and
the structure film layers are formed on the substrate and sequentially laminated, and projections of the structure film layers on the substrate have an overlapping area; the plurality of structural film layers comprises a first structural film layer and a second structural film layer; the projection of the first structural film layer on the substrate and the projection of the second structural film layer on the substrate have the overlapping area, the projection of the second structural film layer on the substrate is completely covered by the projection of the first structural film layer on the substrate, and the projected edge of the first structural film layer and the projected edge of the second structural film layer are not parallel to each other;
the plurality of structural film layers includes:
a first electrode layer formed on the substrate;
a pixel defining layer formed on the first electrode layer;
a spacer formed on the pixel defining layer; the first structural film layer is the pixel definition layer; the second structural film layer is the isolation column; the projection of the isolation column on the substrate and the projection of the pixel definition layer on the substrate are not parallel to each other.
2. The display panel of claim 1, wherein the display panel is an AMOLED display panel, and the first electrode layer comprises a plurality of first electrodes independent of each other; each first electrode corresponds to one light-emitting structure layer; the center point of projection of the first electrode on the substrate and the center point and/or the central axis of projection of the light-emitting structure layer on the substrate are mutually staggered.
3. The display panel of claim 2, wherein a projection of the first electrode onto the substrate and a projection of the light emitting structure layer onto the substrate have different shapes.
4. A display panel according to claim 2 or 3, characterized in that the projection of the light-emitting structure layer onto the substrate is circular, elliptical or dumbbell-shaped.
5. The display panel of claim 1, wherein the display panel is a PMOLED display panel and the first electrode layer includes a plurality of wavy first electrodes; the first electrodes extend in parallel along the same direction, and the adjacent first electrodes have a space; the width of the first electrode is continuously changed or is changed at intervals in the extending direction of the first electrode.
6. The display panel of claim 5, wherein each pixel opening on the pixel defining layer is located over a region between two adjacent valleys on the first electrode;
in the extending direction of the first electrode, the amplitude values of two adjacent wave crests or two adjacent wave troughs are different; the projection of the pixel opening on the substrate is circular, elliptical or dumbbell-shaped.
7. The display panel of claim 5, wherein each pixel opening on the pixel defining layer is located over a region between two adjacent valleys on the first electrode;
in the extending direction of the first electrode, the amplitude values of two adjacent wave crests or two adjacent wave troughs are the same; the projections of two adjacent pixel openings on the pixel defining layer on the substrate have different shapes.
8. The display panel of claim 1, wherein each of the structural film materials has a light transmittance of greater than 90%; and/or
The conductive trace of the display panel is made of indium tin oxide, indium zinc oxide, silver-doped indium tin oxide or silver-doped indium zinc oxide.
9. A display screen, characterized by at least one display area; the at least one display area comprises a first display area, and a photosensitive device is arranged below the first display area;
wherein the display panel according to any one of claims 1 to 8 is provided in the first display area, and each of the at least one display area is used for displaying a dynamic or static picture.
10. The display screen of claim 9, wherein the at least one display area further comprises a second display area; the display panel arranged in the first display area is a PMOLED display panel or an AMOLED display panel, and the display panel arranged in the second display area is an AMOLED display panel.
11. A display terminal, characterized by comprising:
an equipment body having a device region;
a display screen as claimed in claim 9 or 10, overlaying the device body;
the device region is positioned below the first display region, and a photosensitive device for collecting light rays through the first display region is arranged in the device region.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810887672.7A CN110767678B (en) | 2018-08-06 | 2018-08-06 | Display panel, display screen and display terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810887672.7A CN110767678B (en) | 2018-08-06 | 2018-08-06 | Display panel, display screen and display terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110767678A CN110767678A (en) | 2020-02-07 |
| CN110767678B true CN110767678B (en) | 2024-03-29 |
Family
ID=69328958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810887672.7A Active CN110767678B (en) | 2018-08-06 | 2018-08-06 | Display panel, display screen and display terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110767678B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111833754B (en) * | 2020-04-27 | 2021-10-22 | 昆山国显光电有限公司 | Display panel and display device |
| CN111863909A (en) * | 2020-07-28 | 2020-10-30 | 京东方科技集团股份有限公司 | Display substrate, manufacturing method thereof and display device |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007506227A (en) * | 2003-09-16 | 2007-03-15 | デーウー・エレクトロニクス・サービス・カンパニー・リミテッド | Organic EL display and manufacturing method thereof |
| CN103499898A (en) * | 2013-10-21 | 2014-01-08 | 京东方科技集团股份有限公司 | Double-view-field display panel and display device |
| CN104282731A (en) * | 2014-10-31 | 2015-01-14 | 京东方科技集团股份有限公司 | Organic electroluminescent device, preparation method of organic electroluminescent device, array substrate and display device |
| CN104795434A (en) * | 2015-05-12 | 2015-07-22 | 京东方科技集团股份有限公司 | OLED pixel unit, transparent display device, manufacturing method and display equipment |
| US9312312B1 (en) * | 2014-12-30 | 2016-04-12 | Industrial Technology Research Institute | Display |
| CN106547144A (en) * | 2017-02-03 | 2017-03-29 | 京东方科技集团股份有限公司 | Color membrane substrates and display floater |
| CN106601768A (en) * | 2016-12-22 | 2017-04-26 | Tcl集团股份有限公司 | Transparent display device and preparation method therefor |
| CN107425040A (en) * | 2017-06-29 | 2017-12-01 | 京东方科技集团股份有限公司 | A kind of electroluminescence display panel and display device |
| EP3336915A1 (en) * | 2016-12-14 | 2018-06-20 | LG Display Co., Ltd. | Display device |
| CN108269835A (en) * | 2018-01-19 | 2018-07-10 | 云谷（固安）科技有限公司 | Display base plate and preparation method thereof, display device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100908234B1 (en) * | 2003-02-13 | 2009-07-20 | 삼성모바일디스플레이주식회사 | EL display device and manufacturing method thereof |
| CN202693831U (en) * | 2012-07-16 | 2013-01-23 | 京东方科技集团股份有限公司 | Slit grating and display device |
| CN104111560B (en) * | 2014-07-09 | 2017-08-29 | 京东方科技集团股份有限公司 | A kind of liquid crystal panel and double vision liquid crystal display device |
| KR102369594B1 (en) * | 2015-03-18 | 2022-03-04 | 삼성디스플레이 주식회사 | Organic light emitting display panel and fabricating method for the same |
| KR102631461B1 (en) * | 2016-10-26 | 2024-01-30 | 엘지디스플레이 주식회사 | Display device having a emitting area and a reflecting area |
-
2018
- 2018-08-06 CN CN201810887672.7A patent/CN110767678B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007506227A (en) * | 2003-09-16 | 2007-03-15 | デーウー・エレクトロニクス・サービス・カンパニー・リミテッド | Organic EL display and manufacturing method thereof |
| CN103499898A (en) * | 2013-10-21 | 2014-01-08 | 京东方科技集团股份有限公司 | Double-view-field display panel and display device |
| CN104282731A (en) * | 2014-10-31 | 2015-01-14 | 京东方科技集团股份有限公司 | Organic electroluminescent device, preparation method of organic electroluminescent device, array substrate and display device |
| US9312312B1 (en) * | 2014-12-30 | 2016-04-12 | Industrial Technology Research Institute | Display |
| CN104795434A (en) * | 2015-05-12 | 2015-07-22 | 京东方科技集团股份有限公司 | OLED pixel unit, transparent display device, manufacturing method and display equipment |
| EP3336915A1 (en) * | 2016-12-14 | 2018-06-20 | LG Display Co., Ltd. | Display device |
| CN106601768A (en) * | 2016-12-22 | 2017-04-26 | Tcl集团股份有限公司 | Transparent display device and preparation method therefor |
| CN106547144A (en) * | 2017-02-03 | 2017-03-29 | 京东方科技集团股份有限公司 | Color membrane substrates and display floater |
| CN107425040A (en) * | 2017-06-29 | 2017-12-01 | 京东方科技集团股份有限公司 | A kind of electroluminescence display panel and display device |
| CN108269835A (en) * | 2018-01-19 | 2018-07-10 | 云谷（固安）科技有限公司 | Display base plate and preparation method thereof, display device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110767678A (en) | 2020-02-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11244992B2 (en) | Display panels, display screens, and display terminals | |
| US10903303B2 (en) | Display panel with a separation pillar having slanting side surfaces disposed on a pixel definition layer | |
| CN110767674B (en) | Display panel, display screen and display terminal | |
| KR102350495B1 (en) | Display panels, display screens and display terminals | |
| CN110767825B (en) | Display panel, display screen and display terminal | |
| US10139965B2 (en) | Touch panel, manufacturing method thereof and display device | |
| CN110767700B (en) | OLED array substrate, preparation method, display screen and display terminal | |
| CN110767678B (en) | Display panel, display screen and display terminal | |
| CN110767673B (en) | Display panel, display screen and display terminal |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 065500 new industrial demonstration area of Guan County, Langfang, Hebei Applicant after: YUNGU (GU'AN) TECHNOLOGY Co.,Ltd. Applicant after: Suzhou Qingyue Photoelectric Technology Co.,Ltd. Applicant after: KUNSHAN GO-VISIONOX OPTO-ELECTRONICS Co.,Ltd. Address before: 065500 new industrial demonstration area of Guan County, Langfang, Hebei Applicant before: Yungu (Gu'an) Technology Co.,Ltd. Applicant before: Kunshan Visionox Technology Co.,Ltd. Applicant before: KunShan Go-Visionox Opto-Electronics Co.,Ltd. |
|
| CB02 | Change of applicant information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |