CN211376644U - 3D display substrate, 3D display panel and 3D display device - Google Patents
3D display substrate, 3D display panel and 3D display device Download PDFInfo
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- CN211376644U CN211376644U CN202020190758.7U CN202020190758U CN211376644U CN 211376644 U CN211376644 U CN 211376644U CN 202020190758 U CN202020190758 U CN 202020190758U CN 211376644 U CN211376644 U CN 211376644U
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Abstract
The utility model provides a 3D display substrates, 3D display panel and 3D display device, this 3D display substrates includes: the light-emitting device comprises a pixel defining layer and a plurality of light-emitting devices, wherein the pixel defining layer defines a plurality of sub-pixel regions, each light-emitting device is arranged in one of the sub-pixel regions, each light-emitting surface of each light-emitting device is of a non-planar structure, the light-emitting surface is provided with a first light-emitting direction and a second light-emitting direction, and the first light-emitting direction and the second light-emitting direction are different directions. The utility model discloses in, luminescent surface of luminescent device is non-planar structure, compares with planar structure's luminescent device, and the luminous regional obvious increase that gives out can effectively improve 3D display device's luminous luminance and luminous PPI, and extension 3D display device's life-span.
Description
Technical Field
The embodiment of the utility model provides a relate to and show technical field, especially relate to a 3D display substrates, 3D display panel and 3D display device.
Background
The 3D display device in the prior art is divided into a glasses type and a naked eye type. The glasses type includes: a polarization mode, a time-sharing mode and a chromatic aberration mode; the naked eye type includes a parallax barrier type and a lenticular type. In order to achieve a better 3D display effect, most of the existing 3D display devices respectively display different luminances by a plurality of light emitting regions to form different gray scales, and this way can reduce the luminance and the PPI of the 3D display device and affect the lifetime of the 3D display device.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a 3D display substrates, 3D display panel and 3D display device for solve current 3D display device luminous luminance and the low and short-lived problem of luminous PPI.
In order to solve the technical problem, the utility model discloses a realize like this:
in a first aspect, an embodiment of the present invention provides a 3D display substrate, including: the light-emitting device comprises a pixel defining layer and a plurality of light-emitting devices, wherein the pixel defining layer defines a plurality of sub-pixel regions, each light-emitting device is arranged in one of the sub-pixel regions, each light-emitting surface of each light-emitting device is of a non-planar structure, the light-emitting surface is provided with a first light-emitting direction and a second light-emitting direction, and the first light-emitting direction and the second light-emitting direction are different directions.
Optionally, the light emitting surface of each light emitting device includes a first inclined plane and a second inclined plane, the first inclined plane faces the first light emitting direction, and the second inclined plane faces the second light emitting direction.
Optionally, the first inclined plane and the second inclined plane have the same area.
Optionally, one of the sub-pixel regions includes an opening region defined by the pixel defining layer, and the first inclined plane and the second inclined plane of each of the light emitting devices are disposed in one of the sub-pixel regions;
or
One of the sub-pixel regions includes two adjacent opening regions defined by the pixel defining layer, the first slanted plane of each of the light emitting devices is disposed in one of the opening regions, and the second slanted plane is disposed in the other of the opening regions.
Optionally, the 3D display substrate further includes: the modeling layer is arranged on the non-display side of the light-emitting device and comprises a plurality of modeling graphs, each modeling graph is arranged in one of the sub-pixel regions and comprises a third inclined plane and a fourth inclined plane, the third inclined plane faces to the first light-emitting direction, and the fourth inclined plane faces to the second light-emitting direction.
Optionally, the height of the molding layer is smaller than the height of the pixel defining layer.
Optionally, the height of the molding layer is less than 1 μm.
Optionally, the molding layer is formed by using a resin material.
Optionally, one of the sub-pixel regions includes an opening region defined by the pixel defining layer, each of the modeling patterns includes a triangular prism structure or a plurality of triangular prism structures arranged in series in one of the opening regions, and each of the triangular prism structures includes one of the third inclined planes and one of the fourth inclined planes.
Optionally, one of the sub-pixel regions includes two adjacent opening regions defined by the pixel definition layer, each of the modeling patterns includes M triangular prism structures, every M/2 of the triangular prism structures are disposed in one of the opening regions, M/2 of the triangular prism structures disposed in one of the opening regions includes the third inclined plane, M/2 of the triangular prism structures disposed in the other of the opening regions includes the fourth inclined plane, and M is an even number greater than or equal to 2.
In a second aspect, the embodiment of the present invention provides a 3D display panel, including the above-mentioned 3D display substrate.
In a third aspect, the embodiment of the present invention provides a 3D display device, including the above-mentioned 3D display panel.
The embodiment of the utility model provides an in, light emitting area of light emitting device has first light emitting direction and second light emitting direction, first light emitting direction can correspond people's left eye direction, the second light emitting direction can correspond people's right eye direction, form the 3D display effect, light emitting area of light emitting device is non-planar structure simultaneously, compare with current planar structure's light emitting device, it is obvious increase to send out the region to thereby can effectively improve 3D display device's luminance and luminous PPI, and extension 3D display device's life time.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a schematic structural diagram of a 3D display substrate according to an embodiment of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
FIG. 3 is a schematic illustration of a build pattern in the embodiment shown in FIG. 1;
fig. 4 is a schematic structural diagram of a 3D display substrate according to another embodiment of the present invention;
fig. 5 is a schematic structural diagram of a 3D display substrate according to another embodiment of the present invention;
FIG. 6 is a schematic illustration of a build pattern in the embodiment shown in FIG. 5;
fig. 7 is a schematic view of parameters of a modeling layer in an embodiment of the present invention;
fig. 8 is a schematic view of a method for manufacturing a molding layer according to an embodiment of the present invention;
fig. 9 to fig. 13 are schematic diagrams illustrating a method for manufacturing a 3D display substrate according to an embodiment of the present invention;
fig. 14 is a schematic structural diagram of a 3D display panel according to an embodiment of the present invention;
fig. 15 is a schematic structural diagram of a 3D display device according to an embodiment of the present invention;
fig. 16 is an optical path diagram of experiment 3D display of the 3D display device in the embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, of the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
For solving the problem that the luminance of emitting light is low and luminous PPI is low and the life-span is short of current 3D display device, please refer to fig. 1, the utility model provides a 3D display substrate, include: the light-emitting device structure comprises a pixel defining layer 102 and a plurality of light-emitting devices, wherein the pixel defining layer 102 defines a plurality of sub-pixel regions, each light-emitting device is arranged in one sub-pixel region, the light-emitting surface of each light-emitting device is of a non-planar structure, the area of the light-emitting surface of each light-emitting device is larger than the area of the bottom of the sub-pixel region where the light-emitting device is located, and the area of the bottom of the sub-pixel region is the area of a region defined by the bottom edges of the pixel defining layers corresponding to the sub-pixel regions. The luminous surface is provided with a first luminous direction and a second luminous direction, the first luminous direction and the second luminous direction are different directions, the first luminous direction can correspond to the left eye direction of a person, and the second luminous direction can correspond to the right eye direction of the person.
The embodiment of the utility model provides an in, luminescent device's light emitting area has first light emitting direction and second light emitting direction, first light emitting direction can correspond people's left eye direction, the second light emitting direction can correspond people's right eye direction, form the 3D display effect, luminescent device's light emitting area is non-planar structure simultaneously, compare with current planar structure's luminescent device (the regional bottom area of the sub-pixel that corresponds that equals of the area of current planar structure's luminescent device's light emitting area), the luminous region obviously increases, thereby can effectively improve 3D display device's luminance and luminous PPI, and extension 3D display device's life time.
In the above embodiments, the 3D display substrate includes light emitting devices of three emission colors of R (red), G (green), and B (blue), which is not limited to this, in some other embodiments of the present invention.
The light emitting device in the embodiment of the present invention may be an OLED light emitting device, please refer to fig. 2, and fig. 2 is a partial enlarged view of fig. 1, and the OLED light emitting device includes an anode 1031, a light emitting layer 1032, and a cathode 1033. Of course, in other embodiments of the present invention, the light emitting device may be other types of light emitting devices, and may not be limited thereto.
In some embodiments of the present invention, referring to fig. 1 and 2, each of the light emitting surfaces of the light emitting devices includes a first inclined plane b1 and a second inclined plane b2, the first inclined plane b1 faces the first light emitting direction, and the second inclined plane b2 faces the second light emitting direction.
The embodiment of the utility model provides an in, a light emitting area of light emitting device equals the area sum of first inclined plane and second inclined plane, and the area sum of first inclined plane and second inclined plane is greater than the light emitting device place the regional bottom area of sub-pixel compares with the planar structure's among the prior art light emitting device, and luminous region is the obvious increase to can effectively improve 3D display device's luminous luminance.
The first inclined plane and the second inclined plane are planes which form a certain included angle with the ground of the sub-pixel area.
Of course, in other embodiments of the present invention, the light emitting surface is not limited to include only an inclined plane, and may include a curved surface.
In the embodiment of the present invention, it is optional that the area of the first inclined plane b1 and the second inclined plane b2 is the same, so that the brightness of the light emitted from the light emitting device to the left eye direction and the right eye direction is the same, i.e. the brightness of the light entering the left eye and the right eye is the same.
In some embodiments of the present invention, one of the sub-pixel regions includes an opening region defined by the pixel defining layer, and the first inclined plane and the second inclined plane of each of the light emitting devices are disposed in one of the opening regions.
In some embodiments of the present invention, one of the sub-pixel regions includes two adjacent opening regions defined by the pixel definition layer, the first inclined plane of each of the light emitting devices is disposed in one of the opening regions, and the second inclined plane is disposed in the other of the opening regions.
In order to form a light emitting device with a non-planar structure, in an embodiment of the present invention, optionally, referring to fig. 1 and fig. 2, the 3D display substrate further includes: a molding layer 101, the molding layer 101 being disposed on a non-display side of the light emitting device, the molding layer 101 including a plurality of molding shapes 1011, each of the molding shapes 1011 being disposed in one of the sub-pixel regions, each of the molding shapes 1011 including a third inclined plane b3 and a fourth inclined plane b4, the third inclined plane b3 facing a first light emitting direction, and the fourth inclined plane b4 facing a second light emitting direction. Wherein the third inclined plane b3 corresponds to the first inclined plane b1, and the fourth inclined plane b4 corresponds to the second inclined plane b 2.
Optionally, the molding layer 101 is formed by using a resin material, and the resin material is easy to mold.
Further optionally, the molding layer 101 is reused as a planarization layer of the 3D display substrate. The 3D display substrate further includes: and a planarization layer is required to be arranged between the driving function layer and the light-emitting device for insulation and planarization, and the modeling layer 101 can be reused as a planarization layer. Of course, in other embodiments of the present invention, the planarization layer may be formed first, and then the molding layer may be formed. Referring to fig. 5, the planarization layer 104 is disposed independently from the molding layer 101.
In an embodiment of the present invention, the height of the molding layer is smaller than the height of the pixel defining layer. In some embodiments, the spacing between the pixel defining layers may have a width in the range of 19.75 μm to 24.95 μm and a height in the range of 1 μm to 1.5 μm, and thus the height of the molding layer needs to be less than 1 μm so that the pixel defining layer still functions as a pixel definition.
In the embodiment of the present invention, the inclination angle θ (the included angle between the third inclined plane b3 and the fourth inclined plane b 4) of the modeling layer can be adjusted according to the distance (Xmm) between the screen and the eyes and the distance (generally 65mm) between the eyes, please refer to fig. 7.
The embodiment of the utility model provides an in, the molding layer can adopt photoetching technology and toast the technology and form, at first, form molding layer film to can toast fixed shaping (can be called the prebaking), then, adopt grey scale mask board to expose molding layer film, and develop, form the molding figure that has step form hypotenuse, then, adopt the technology of toasting to toast the 3D display substrates who has the molding figure (can be called the postbaking), make the step form hypotenuse levelling of molding figure, form level and smooth inclined plane, please refer to fig. 8.
The following describes a specific structure of the modeling pattern in the embodiment of the present invention.
Referring to fig. 1, 2 and 3, in some embodiments of the present invention, one of the sub-pixel regions includes an opening region defined by the pixel defining layer, and each of the modeling figures 1011 includes a triangular prism structure disposed in the opening region, the triangular prism structure including one of the third inclined planes b3 and one of the fourth inclined planes b 4.
In some other embodiments of the present invention, referring to fig. 4, each of the modeling figures 1011 may further include a plurality of triangular prism structures (2 are illustrated in fig. 4 as an example) disposed in a continuous manner in one of the opening regions, and each of the triangular prism structures includes one of the third inclined planes b3 and one of the fourth inclined planes b 4.
In the above-described embodiment, alternatively, the triangle of the cross section of the triangular prism structure is an isosceles triangle, so that the areas of the third inclined plane b3 and the fourth inclined plane b4 are the same, and further so that the light emitting areas of the first inclined plane and the second inclined plane of the light emitting device formed on the triangular prism structure are the same.
In the above embodiments, one light emitting device occupies one opening region defined by the pixel defining layer, and the first slanted plane and the second slanted plane are disposed in the same opening region.
In some other embodiments of the present invention, one light emitting device may occupy two opening regions, one opening region is provided with the first inclined plane, and the other opening region is provided with the second inclined plane.
Referring to fig. 5 and 6, in some embodiments of the present invention, one of the sub-pixel regions includes two adjacent opening regions defined by the pixel defining layer, each of the modeling figures 1011 includes 2 triangular prism structures, each of the triangular prism structures is disposed in one of the opening regions, one of the triangular prism structures disposed in one of the opening regions includes the third inclined plane b3, and one of the triangular prism structures disposed in the other of the opening regions includes the fourth inclined plane b 4.
In some other embodiments of the present invention, each of the modeling patterns 1011 may further include M (M is an even number greater than 2) triangular prism structures, each M/2 triangular prism structures are disposed in one of the opening regions, and M/2 triangular prism structures disposed in one of the opening regions include the third inclined plane, and M/2 triangular prism structures disposed in another of the opening regions include the fourth inclined plane.
When the light emitting device in the above embodiment is an OLED light emitting device, since the modeling pattern 1011 has a relatively sharp corner, the common layer of the OLED light emitting device can be disconnected at the corner, so that the common layer of the adjacent light emitting devices can be prevented from being connected, and the occurrence probability of the crosstalk problem can be reduced.
The 3D display substrate in the above embodiments may be a flexible 3D display substrate.
The following describes a structure and a manufacturing method of a 3D display substrate according to an embodiment of the present invention by way of example.
In an embodiment of the present invention, a method for manufacturing a 3D display substrate includes:
step S1: referring to fig. 9, a rigid substrate 201 (e.g., a glass substrate) is provided, a flexible substrate 202 (e.g., a PI substrate) is formed on the rigid substrate 201, a buffer layer 203 (the buffer layer may be 2 layers) is formed on the flexible substrate 202, an active layer 204 (the active layer may be a low temperature polysilicon material (P-si)) is formed on the buffer layer 203, a gate insulating layer 205 is formed on the active layer 204, a gate electrode 206 is formed on the gate insulating layer 205, and an interlayer insulating layer 207 (the interlayer insulating layer 207 may be a multilayer, e.g., SiO, is formed on the gate electrode 206)2Layer + SiNX layer) on interlayer insulating layer 207, source and drain electrodes 208 are formed, and then a planarization layer 209 is formed, and holes are punched above the drain electrodes.
Step S2: referring to fig. 10, a molding layer 210 is formed, and the molding layer includes a plurality of molding patterns.
Step S3: referring to fig. 11, an anode 211 of the light emitting device is formed.
Step S4: referring to fig. 12, a pixel defining layer 212 is formed.
Step S5: referring to fig. 13, a light emitting layer 213 and a cathode 214 of the light emitting device, a first inorganic encapsulation layer 215 (the first inorganic encapsulation layer 215 may be formed of SiON), an organic layer 216 (the organic layer 216 may be formed by inkjet printing), and a second inorganic layer 217 (the second inorganic layer 217 may be formed of SiNX) are formed.
The organic layer is usually formed by evaporation, and experiments show that the pattern formed by the organic layer after evaporation is consistent with the pattern of the modeling layer. The existing evaporation process can be used for realizing a good naked eye 3D effect.
The embodiment of the utility model provides a still provide a 3D display panel, including the 3D display substrates in above-mentioned arbitrary embodiment.
Taking fig. 14 as an example, the 3D display panel in the embodiment of the present invention includes, in addition to the 3D display substrate in fig. 13, further: spacers 218, a filler layer (filler)219, a black matrix 220, and a color filter layer 221. Of course, the structure of the 3D display panel in the embodiment of the present invention is not limited thereto.
The embodiment of the utility model provides a still provide a 3D display device, including above-mentioned 3D display panel.
Taking fig. 15 as an example, the 3D display device in the embodiment of the present invention includes a cover plate 222 in addition to the 3D display panel in fig. 14. Of course, the structure of the 3D display device in the embodiment of the present invention is not limited thereto.
Referring to fig. 16, fig. 16 is a light path diagram of an experimental 3D display of a 3D display device according to an embodiment of the present invention. As can be seen from fig. 16, by adjusting the structure of the light emitting device, the light emitting direction of the light emitting device can be changed, so that light rays in different directions enter left and right eyes, and a 3D display effect is achieved.
The embodiments of the present invention have been described with reference to the accompanying drawings, but the present invention is not limited to the above-mentioned embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many forms without departing from the spirit and scope of the present invention.
Claims (12)
1. A3D display substrate, comprising: the light-emitting device comprises a pixel defining layer and a plurality of light-emitting devices, wherein the pixel defining layer defines a plurality of sub-pixel regions, each light-emitting device is arranged in one of the sub-pixel regions, each light-emitting surface of each light-emitting device is of a non-planar structure, the light-emitting surface is provided with a first light-emitting direction and a second light-emitting direction, and the first light-emitting direction and the second light-emitting direction are different directions.
2. The 3D display substrate of claim 1, wherein a light emitting face of each of the light emitting devices comprises a first inclined plane and a second inclined plane, the first inclined plane facing a first light emitting direction, the second inclined plane facing a second light emitting direction.
3. The 3D display substrate of claim 2, wherein the first and second slanted planes are the same area.
4. The 3D display substrate of claim 2,
one of the sub-pixel regions includes an open region defined by the pixel defining layer, the first and second slanted planes of each of the light emitting devices being disposed in one of the open regions;
or
One of the sub-pixel regions includes two adjacent opening regions defined by the pixel defining layer, the first slanted plane of each of the light emitting devices is disposed in one of the opening regions, and the second slanted plane is disposed in the other of the opening regions.
5. The 3D display substrate of claim 2, further comprising: the modeling layer is arranged on the non-display side of the light-emitting device and comprises a plurality of modeling graphs, each modeling graph is arranged in one of the sub-pixel regions and comprises a third inclined plane and a fourth inclined plane, the third inclined plane faces to the first light-emitting direction, and the fourth inclined plane faces to the second light-emitting direction.
6. A3D display substrate according to claim 5, wherein the height of the modeling layer is less than the height of the pixel defining layer.
7. The 3D display substrate of claim 6, wherein the height of the molding layer is less than 1 μm.
8. The 3D display substrate of claim 5, wherein the molding layer is formed using a resin material.
9. The 3D display substrate according to claim 5, wherein one of the sub-pixel regions includes an open region defined by the pixel defining layer, each of the modeling patterns includes one triangular prism structure or a plurality of triangular prism structures arranged in series within one of the open regions, and each of the triangular prism structures includes one of the third inclined planes and one of the fourth inclined planes.
10. The 3D display substrate according to claim 5, wherein one of the sub-pixel regions includes two adjacent opening regions defined by the pixel defining layer, each of the modeling patterns includes M triangular prism structures, each M/2 of the triangular prism structures is disposed in one of the opening regions, the M/2 triangular prism structures disposed in one of the opening regions includes the third inclined plane, the M/2 triangular prism structures disposed in the other of the opening regions includes the fourth inclined plane, and M is an even number greater than or equal to 2.
11. A 3D display panel comprising the 3D display substrate according to any one of claims 1 to 10.
12. A 3D display device comprising the 3D display panel according to claim 11.
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| CN202020190758.7U CN211376644U (en) | 2020-02-21 | 2020-02-21 | 3D display substrate, 3D display panel and 3D display device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113727040A (en) * | 2021-09-02 | 2021-11-30 | 复旦大学 | Museum exhibition sound and picture media method and system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113727040A (en) * | 2021-09-02 | 2021-11-30 | 复旦大学 | Museum exhibition sound and picture media method and system |
| CN113727040B (en) * | 2021-09-02 | 2022-06-14 | 复旦大学 | Museum exhibition sound and picture media method and system |
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