CN108535880B - 2D/3D switchable optical module, display device and manufacturing method thereof - Google Patents
2D/3D switchable optical module, display device and manufacturing method thereof Download PDFInfo
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- CN108535880B CN108535880B CN201810348634.4A CN201810348634A CN108535880B CN 108535880 B CN108535880 B CN 108535880B CN 201810348634 A CN201810348634 A CN 201810348634A CN 108535880 B CN108535880 B CN 108535880B
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Abstract
The invention provides a 2D/3D switchable optical module, a display device and a manufacturing method thereof, wherein the 2D/3D switchable optical module comprises a 2D/3D switchable area and at least one 2D display area; wherein the at least one 2D display area is located on one or more edges of the 2D/3D switchable optical module. The invention provides a 2D/3D switchable optical module, a display device and a manufacturing method thereof, which are adapted to a special-shaped screen.
Description
Technical Field
The embodiment of the invention relates to an optical technology, in particular to a 2D/3D switchable optical module, a display device and a manufacturing method thereof.
Background
Due to the fact that more and more special-shaped screens appear on the market at present, the range of displayable pictures is larger and larger, when the display picture is expanded to be nearly full screen, the front face of the display screen can comprise a display area and a black area, and the display area of the screen can be called as the special-shaped screen because the display area is no longer a traditional regular figure (such as a rectangle). A special-shaped screen such as the display screen of iPhoneX, which is also often referred to as the bang screen (or full screen).
For a common display screen with a regular pattern in the display area, the 2D/3D switchable optical module is only required to be attached to the outer side of the display panel in order to realize 2D/3D display. Because the 2D/3D switchable optical module in the prior art can realize that the 2D/3D switchable display area is in a regular pattern (for example, a rectangle), the 2D/3D switchable optical module in the prior art is directly attached to the display side of the special-shaped screen, which may cause adverse effects on the camera device and the like, so that the camera device cannot normally work.
Disclosure of Invention
The embodiment of the invention provides a 2D/3D switchable optical module, a display device and a manufacturing method thereof, which are used for adapting to a special-shaped screen.
In a first aspect, an embodiment of the invention provides a 2D/3D switchable optical module, where the 2D/3D switchable optical module includes a 2D/3D switchable area and at least one 2D display area;
wherein the at least one 2D display area is located on one or more edges of the 2D/3D switchable optical module.
Optionally, the 2D/3D switchable optical module includes a substrate base plate, a first transparent electrode, a view separating element, an electro-optic material molecule, a second transparent electrode, and a cover plate; the substrate base plate is opposite to the cover plate and is fixed through a sealing part, the substrate base plate, the sealing part and the cover plate form a closed space, and the electro-optic material molecules are positioned in the closed space; the first transparent electrode is positioned between the substrate base plate and the electro-optic material molecules, and the second transparent electrode is positioned between the cover plate and the electro-optic material molecules.
Optionally, the 2D display area is free of the view separation element.
Optionally, the 2D display area is free of the first transparent electrode and/or the second transparent electrode.
Optionally, the first transparent electrode includes a first sub transparent electrode and a second sub transparent electrode, the first sub transparent electrode is located in the 2D/3D switchable region, the second sub transparent electrode is located in the 2D display region, the first sub transparent electrode is electrically insulated from the second sub transparent electrode, and the first sub transparent electrode is configured to receive an external driving voltage.
Optionally, the second transparent electrode includes a third sub transparent electrode and a fourth sub transparent electrode, the third sub transparent electrode is located in the 2D/3D switchable region, the fourth sub transparent electrode is located in the 2D display region, the third sub transparent electrode is electrically insulated from the fourth sub transparent electrode, and the third sub transparent electrode is configured to receive an external driving voltage.
Optionally, the 2D display area is free of the substrate base plate, the first transparent electrode, the second transparent electrode, and the cover plate.
Optionally, the 2D display area is free of the view separation element; the seal portion surrounds the 2D/3D switchable region, the at least one 2D display region is located outside the region surrounded by the seal portion, and the 2D/3D switchable region is located inside the region surrounded by the seal portion.
Optionally, the seal surrounds the 2D/3D switchable region and the at least one 2D display region, and the at least one 2D display region and the 2D/3D switchable region are both located within an area surrounded by the seal.
Optionally, the 2D/3D switchable optical module comprises oppositely arranged first and third edges, and oppositely arranged second and fourth edges, the first and third edges extending along a first direction, the second and fourth edges extending along a second direction, the first and second directions being perpendicular, adjacent edges being connected by a right angle or a rounded angle;
the 2D display area is located on the first edge, the second edge, the third edge, or the fourth edge.
In a second aspect, an embodiment of the present invention provides a display device, including a display panel and a 2D/3D switchable optical module located at a light emitting side of the display panel;
wherein the 2D/3D switchable optical module is the 2D/3D switchable optical module of the first aspect;
the display panel comprises a luminous display area and at least one non-display gap, and the luminous display area and the at least one non-display gap of the display panel are respectively attached to the 2D/3D switchable area and the at least one 2D display area of the 2D/3D switchable optical module.
Optionally, the display device further comprises an image pickup device located at the non-display notch of the display panel.
In a third aspect, an embodiment of the invention provides a method for manufacturing a 2D/3D switchable optical module, where the 2D/3D switchable optical module includes a 2D/3D switchable area and at least one 2D display area; the at least one 2D display area is located on one or more edges of the 2D/3D switchable optical module, and the manufacturing method comprises the following steps:
providing a substrate and a cover plate, manufacturing a first transparent electrode on the substrate, and manufacturing a second transparent electrode on the cover plate;
manufacturing a view separation element on the first transparent electrode;
and fixing the side of the cover plate with the second transparent electrode and the side of the substrate base plate with the first transparent electrode through a sealing part.
Optionally, fabricating a view separating element on the first transparent electrode, comprising:
and manufacturing a view separation element on the first transparent electrode, wherein the view separation element does not cover the 2D display area.
Optionally, fabricating a first transparent electrode on the substrate includes:
manufacturing a transparent electrode layer on the substrate base plate; the transparent electrode layer is positioned in the 2D/3D switchable region and the 2D display region;
removing the transparent electrode layer in the 2D display area to form the first transparent electrode.
Optionally, fabricating a second transparent electrode on the cover plate, including:
manufacturing a transparent electrode layer on the substrate base plate; the transparent electrode layer is positioned in the 2D/3D switchable region and the 2D display region;
removing the transparent electrode layer in the 2D display area to form the second transparent electrode.
Optionally, fabricating a first transparent electrode on the substrate includes:
manufacturing a transparent electrode layer on the substrate base plate; the transparent electrode layer is positioned in the 2D/3D switchable region and the 2D display region;
cutting the transparent electrode layer into two parts which are not connected with each other, namely a first sub transparent electrode and a second sub transparent electrode;
wherein the first sub transparent electrode is located in the 2D/3D switchable region, and the second sub transparent electrode is located in the 2D display region; the first sub transparent electrode is used for receiving an external driving voltage.
Optionally, fabricating a second transparent electrode on the cover plate, including:
manufacturing a transparent electrode layer on the cover plate; the transparent electrode layer is positioned in the 2D/3D switchable region and the 2D display region;
cutting the transparent electrode layer into two parts which are not connected with each other, namely a third sub transparent electrode and a fourth sub transparent electrode;
wherein the third sub transparent electrode is located in the 2D/3D switchable region, and the fourth sub transparent electrode is located in the 2D display region; the third sub transparent electrode is used for receiving an external driving voltage.
Optionally, fixing the side of the cover plate with the second transparent electrode and the side of the substrate with the first transparent electrode through a sealing part, comprising:
forming a sealing part in a ring shape on the substrate base plate or the cover plate;
injecting molecules of an electro-optic material into a region surrounded by the seal;
the substrate base plate and the cover plate are paired, and a sealed space is formed by the substrate base plate, the cover plate and the sealing part;
wherein the sealing part surrounds the 2D/3D switchable region, the 2D display region is located outside the region surrounded by the sealing part, and the 2D/3D switchable region is located in the region surrounded by the sealing part.
Optionally, after the side of the cover plate with the second transparent electrode and the side of the substrate with the first transparent electrode are fixed by a sealing part, the manufacturing method further includes:
and cutting off the substrate base plate, the first transparent electrode, the second transparent electrode and the cover plate of the 2D display area.
Optionally, fixing the side of the cover plate with the second transparent electrode and the side of the substrate with the first transparent electrode through a sealing part, comprising:
forming a sealing part in a ring shape on the substrate base plate or the cover plate;
injecting molecules of an electro-optic material into a region surrounded by the seal;
the substrate base plate and the cover plate are paired, and a sealed space is formed by the substrate base plate, the cover plate and the sealing part;
wherein the sealing part surrounds the 2D/3D switchable region and the at least one 2D display region, and the at least one 2D display region and the 2D/3D switchable region are both located in an area surrounded by the sealing part.
The 2D/3D switchable optical module provided by the embodiment of the invention can be attached to the display side of the display equipment, so that the display equipment attached with the 2D/3D switchable optical module can realize both 2D display and 3D display. Since the 2D/3D switchable optical module in the embodiment of the present invention includes the 2D/3D switchable region and at least one 2D display region, the 2D display region does not affect the light propagation direction, for example, does not affect the optical performance of the components in the black region (bang region) of the entire screen, the 2D/3D switchable optical module provided in the embodiment of the present invention is adapted to the irregular screen.
Drawings
Fig. 1 is a schematic top view of a 2D/3D switchable optical module according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view along the direction AA' in FIG. 1;
FIG. 3 is a schematic diagram of a top view of another 2D/3D switchable optical module according to an embodiment of the present invention;
FIG. 4 is a schematic cross-sectional view taken along the direction BB' in FIG. 3;
FIG. 5 is a schematic diagram of a top view of another 2D/3D switchable optical module according to an embodiment of the present invention;
FIG. 6 is a schematic cross-sectional view taken along the direction CC' in FIG. 5;
FIG. 7 is a schematic diagram of a top view of another 2D/3D switchable optical module according to an embodiment of the present invention;
FIG. 8 is a schematic cross-sectional view taken along direction DD' in FIG. 7;
FIG. 9 is a schematic diagram of a top view of another 2D/3D switchable optical module according to an embodiment of the present invention;
FIG. 10 is a schematic cross-sectional view taken along direction EE' of FIG. 9;
FIG. 11 is a schematic diagram illustrating a top view of another 2D/3D switchable optical module according to an embodiment of the present invention;
FIG. 12 is a schematic diagram illustrating a top view of another 2D/3D switchable optical module according to an embodiment of the present invention;
FIG. 13 is a schematic diagram of a top view of another 2D/3D switchable optical module according to an embodiment of the present invention;
fig. 14 is a schematic cross-sectional view illustrating a display device according to an embodiment of the invention;
fig. 15 is a schematic top view of a display panel according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Fig. 1 is a schematic top view of a 2D/3D switchable optical module according to an embodiment of the present invention, and referring to fig. 1, the 2D/3D switchable optical module includes a 2D/3D switchable region 101 and at least one 2D display region 102 (an exemplary 2D display region 102 is shown in fig. 1). The 2D display refers to a display observed as a plane, and the 3D display refers to a display observed as a stereo, for example, two pictures are naturally projected by a display device through technical means to enter a left eye and a right eye, and then are integrated into a stereo image through a brain. The 2D display area 102 only performs 2D display, and the 2D display area 102 may be a hollow area, for example. The 2D/3D switchable region 101 may perform 2D display at a certain time and perform 3D display at the next time according to actual requirements. Wherein, at least one 2D display area 102 is located on one or more edges of the 2D/3D switchable optical module.
The 2D/3D switchable optical module provided by the embodiment of the invention can be attached to the display side of the display equipment, so that the display equipment attached with the 2D/3D switchable optical module can realize both 2D display and 3D display. Since the 2D/3D switchable optical module in the embodiment of the present invention includes the 2D/3D switchable region and at least one 2D display region, the 2D display region 102 does not affect the light propagation direction, for example, does not affect the optical performance of the components in the black region (the bang region) of the full-face screen, so the 2D/3D switchable optical module provided in the embodiment of the present invention is adapted to the irregular screen.
Alternatively, referring to fig. 1, the 2D/3D switchable optical module includes a first edge 11 and a third edge 13 disposed opposite to each other, and a second edge 12 and a fourth edge 14 disposed opposite to each other, the first edge 11 and the third edge 13 extend along a first direction X, the second edge 12 and the fourth edge 14 extend along a second direction Y, the first direction X is perpendicular to the second direction Y, adjacent edges are connected by a right angle or a rounded angle, and a 2D display area 102 is located on the first edge 11, the second edge 12, the third edge 13, or the fourth edge 14 (shown in fig. 1, the 2D display area 102 is located on the first edge 11).
Fig. 2 is a schematic cross-sectional view along the direction AA' in fig. 1, and referring to fig. 1 and 2, the 2D/3D switchable optical module includes a substrate 10, a first transparent electrode 20, a view separating element 30, molecules 40 of an electro-optic material, a second transparent electrode 50, and a cover plate 60. The substrate 10 and the cover 60 are opposed to each other and fixed by the sealing portion 70, the substrate 10, the sealing portion 70 and the cover 60 form a sealed space, the electro-optical material molecules 40 are located in the sealed space, the first transparent electrode 20 is located between the substrate 10 and the electro-optical material molecules 40, and the second transparent electrode 50 is located between the cover 60 and the electro-optical material molecules 40. The substrate 10 and the cover plate 60 may be glass substrates, the first transparent electrode 20 and the second transparent electrode 50 may be made of indium tin oxide, the electro-optical material molecules 40 may be liquid crystal molecules, the view separating element 30 may be a lenticular lens, and the lenticular lens includes a plurality of cylindrical lenses arranged in parallel. The side of the view separating element 30 adjacent to the electro-optic material molecules 40 may have a concave-convex surface. The first transparent electrode 20 and the second transparent electrode 50 have no voltage difference, no electric field exists between the first transparent electrode 20 and the second transparent electrode 50, the refractive index of the electro-optical material molecules 40 is the same as that of the view separating element 30, and light rays are not refracted at the interface between the view separating element 30 and the electro-optical material molecules 40, so that the propagation direction of the light rays is not influenced, and 2D display is realized. The first transparent electrode 20 and the second transparent electrode 50 have a voltage difference, an electric field is generated between the first transparent electrode 20 and the second transparent electrode 50, the refractive index of the electro-optical material molecules 40 is different from that of the view separating element 30, and light is refracted at the interface between the view separating element 30 and the electro-optical material molecules 40, so that a light splitting effect is generated, and 3D display is realized.
Fig. 3 is a schematic top view of another 2D/3D switchable optical module according to an embodiment of the invention, and fig. 4 is a schematic cross-sectional view taken along the direction BB' in fig. 3, and referring to fig. 3 and 4, the 2D display region 102 does not include the view separating element 30. The 2D/3D switchable region 102 is provided therein with a viewing mirror separating element 30, and implements a 2D display when there is no voltage difference between the first transparent electrode 20 and the second transparent electrode 50, and implements a 3D display when there is a voltage difference between the first transparent electrode 20 and the second transparent electrode 50. The 2D display area 102 has no view separating element 30, so that there is no "light is refracted at the interface between the view separating element 30 and the electro-optic material molecules 40", and only 2D display is realized, so that the display device can be adapted to a special-shaped screen.
Fig. 5 is a schematic top view structure diagram of another 2D/3D switchable optical module according to an embodiment of the present invention, fig. 6 is a schematic cross-sectional structure diagram along a direction CC' in fig. 5, referring to fig. 5 and fig. 6, the 2D display area 102 has no first transparent electrode 20, an electric field cannot be generated in the 2D display area 102, a refractive index of the electro-optic material molecules 40 is the same as a refractive index of the view separating element 30, and light is not refracted at an interface between the view separating element 30 and the electro-optic material molecules 40, so that a propagation direction of the light is not affected, and 2D display is achieved. In other embodiments, the 2D display area 102 does not have the second transparent electrode 50, or the 2D display area 102 does not have the first transparent electrode 20 and the second transparent electrode 50.
Fig. 7 is a schematic top view illustrating a 2D/3D switchable optical module according to another embodiment of the present invention, and fig. 8 is a schematic cross-sectional view taken along a direction DD' in fig. 7, in which the first transparent electrode 20 includes a first sub-transparent electrode 21 and a second sub-transparent electrode 22, the first sub-transparent electrode 21 is located in the 2D/3D switchable region 101, the second sub-transparent electrode 22 is located in the 2D display region 102, the first sub-transparent electrode 21 is electrically insulated from the second sub-transparent electrode 22, and the first sub-transparent electrode 21 is configured to receive an external driving voltage. The second sub-transparent electrode 22 is not electrically connected to an external driving circuit, and no voltage is applied to the second sub-transparent electrode 22, for example, the second sub-transparent electrode 22 can be suspended. An electric field cannot be generated in the 2D display region 102, thereby realizing 2D display.
Fig. 9 is a schematic top view illustrating a structure of another 2D/3D switchable optical module according to an embodiment of the present invention, fig. 10 is a schematic cross-sectional structure along direction EE' in fig. 9, and referring to fig. 9 and 10, the second transparent electrode 50 includes a third sub-transparent electrode 51 and a fourth sub-transparent electrode 52, the third sub-transparent electrode 51 is located in the 2D/3D switchable region 101, the fourth sub-transparent electrode 52 is located in the 2D display region 102, the third sub-transparent electrode 51 is electrically insulated from the fourth sub-transparent electrode 52, and the third sub-transparent electrode 51 is used for receiving an external driving voltage. The fourth sub-transparent electrode 52 is not electrically connected to an external driving circuit, and no voltage is applied to the fourth sub-transparent electrode 52, for example, the fourth sub-transparent electrode 52 may be suspended. An electric field cannot be generated in the 2D display region 102, thereby realizing 2D display.
In other embodiments, referring to fig. 7-10, the 2D/3D switchable optical module may further include a first sub-transparent electrode 21, a second sub-transparent electrode 22, a third sub-transparent electrode 51, and a fourth sub-transparent electrode 52, where the first sub-transparent electrode 21 and the third sub-transparent electrode 51 are located in the 2D/3D switchable region 101, the second sub-transparent electrode 22 and the fourth sub-transparent electrode 52 are located in the 2D display region 102, the first sub-transparent electrode 21 is electrically insulated from the second sub-transparent electrode 22, the first sub-transparent electrode 21 is configured to receive an external driving voltage, the third sub-transparent electrode 51 is electrically insulated from the fourth sub-transparent electrode 52, and the third sub-transparent electrode 51 is configured to receive an external driving voltage.
Fig. 11 is a schematic top view of another 2D/3D switchable optical module according to an embodiment of the present invention, and referring to fig. 1, fig. 2 and fig. 11, the 2D display region 102 is free of the substrate base 10, the first transparent electrode 20, the second transparent electrode 50 and the cover plate 60. The 2D display area 102 may be a hollow area, that is, the 2D display area 102 may be a recessed area formed at an outer edge of the 2D/3D switchable optical module 100. The 2D display area 102 is also free of the view separating element 30, the molecules of electro-optic material 40 and the seal 70. Since the 2D display region 102 has no substrate 10, first transparent electrode 20, second transparent electrode 50, and cover plate 60, the propagation direction of light is not affected, and 2D display is achieved.
Fig. 12 is a schematic top view of another 2D/3D switchable optical module according to an embodiment of the invention, referring to fig. 1-12, the 2D display area 102 does not include the view separating element 30, the sealing portion 70 surrounds the 2D/3D switchable area 101, at least one 2D display area 102 is located outside an area surrounded by the sealing portion 70, and the 2D/3D switchable area 101 is located inside an area surrounded by the sealing portion 70. Since the molecules of electro-optic material 40 are confined by the encapsulant 70, there are no molecules of electro-optic material 40 in the 2D display region 102. Further, the first transparent electrode 20 and/or the second transparent electrode 50 are absent in the 2D display area 102; alternatively, the first sub transparent electrode 21 and the second sub transparent electrode 22 electrically insulated from each other are disposed in the 2D display area 102; alternatively, the third sub transparent electrode 51 and the fourth sub transparent electrode 52 which are electrically insulated from each other are disposed in the 2D display area 102; alternatively, the 2D display area 102 has no substrate 10, the first transparent electrode 20, the second transparent electrode 50, and the cover plate 60, and the 2D display area 102 is a hollow area.
Fig. 13 is a schematic top view of another 2D/3D switchable optical module according to an embodiment of the present invention, referring to fig. 1 to 11 and 13, a sealing portion 70 surrounds a 2D/3D switchable region 101 and at least one 2D display region 102, and the at least one 2D display region 102 and the 2D/3D switchable region 101 are both located in an area surrounded by the sealing portion 70. Since the molecules of electro-optic material 40 are confined by the seal 70, the molecules of electro-optic material 40 are also present in the 2D display area 102. Further, the 2D display area 102 is free of the view separation element 30; alternatively, the first sub transparent electrode 21 and the second sub transparent electrode 22 electrically insulated from each other are disposed in the 2D display area 102; alternatively, the third sub transparent electrode 51 and the fourth sub transparent electrode 52 are disposed in the 2D display area 102 to be electrically insulated from each other. On the one hand, since the sealing portion 70 shown in fig. 12 has a "concave" shape, 8 straight line segments are required for the sealing portion 70 to be formed in the "concave" shape, while the sealing portion 70 shown in fig. 13 has a "mouth" shape, and 4 straight line segments are required for the sealing portion 70 to be formed in the "mouth" shape, the "mouth" shaped sealing portion 70 shown in fig. 13 is more easily formed than the "concave" shaped sealing portion 70 shown in fig. 12. On the other hand, the 2D/3D switchable optical module shown in fig. 12 often needs to remove the substrate 10, the first transparent electrode 20, the second transparent electrode 50, the cover plate 60, and the like of the 2D display region 102, that is, to form the 2D/3D switchable optical module shown in fig. 12, parts of the 2D display region 102 need to be cut after the splitting process; the 2D/3D switchable optical module shown in fig. 13 can be formed only according to the conventional splitting process, and the components of the 2D display area 102 do not need to be cut, thereby saving the process.
Fig. 14 is a schematic cross-sectional structure diagram of a display device according to an embodiment of the invention, and fig. 15 is a schematic top-view structure diagram of a display panel according to an embodiment of the invention, referring to fig. 1, fig. 14 and fig. 15, the display device may include a display panel 200 and a 2D/3D switchable optical module 100 located on a light-emitting side of the display panel 200, where the display panel 200 may be, for example, an organic light-emitting display panel, a liquid crystal display panel, or an electrophoretic display panel. The 2D/3D switchable optical module 100 is the 2D/3D switchable optical module in any of the above embodiments. The display panel 200 includes a light emitting display area 201 and at least one non-display gap 202. The light emitting display region 201 may include a plurality of pixels arranged in an array for light emitting display. The light emitting display area 201 and the at least one non-display gap 202 of the display panel 200 are respectively attached to the 2D/3D switchable area 101 and the at least one 2D display area 102 of the 2D/3D switchable optical module 100. That is, the light emitting display area 201 of the display panel 200 is attached to the 2D/3D switchable area 101 of the 2D/3D switchable optical module 100, and the at least one non-display notch 202 of the display panel 200 is attached to the at least one 2D display area 102 of the 2D/3D switchable optical module 100.
Optionally, referring to fig. 14 and 15, the display device may further include a camera device 210, the camera device 210 may be, for example, a camera, and the camera device 210 is located at the non-display notch 202 of the display panel 200. Since the at least one non-display notch 202 of the display panel 200 is attached to the at least one 2D display area 102 of the 2D/3D switchable optical module 100, the 2D display area 102 can only display in 2D and cannot display in 3D, and thus, the imaging function of the camera device 210 is not adversely affected.
Referring to fig. 1 to 13, the 2D/3D switchable optical module includes a 2D/3D switchable area 101 and at least one 2D display area 102, the at least one 2D display area 102 is located on one or more edges of the 2D/3D switchable optical module, and the method for manufacturing the 2D/3D switchable optical module includes the following steps:
s110, providing a substrate 10 and a cover plate 60, forming a first transparent electrode 20 on the substrate 10, and forming a second transparent electrode 50 on the cover plate 60.
S120, the view separating element 30 is fabricated on the first transparent electrode 20.
S130, the side of the cover plate 60 having the second transparent electrode 50 and the side of the base substrate 10 having the first transparent electrode 20 are fixed by the sealing part 70.
Alternatively, referring to fig. 3 and 4, in step S120, the view separating element 30 is fabricated on the first transparent electrode 20, including: the view separating element 30 is fabricated on the first transparent electrode 20, and the view separating element 30 does not cover the 2D display area 102. That is, the view separating element 30 is formed only in the 2D/3D switchable region 101.
Illustratively, a film is generally coated on the 2D/3D switchable region 101 and the 2D display region 102 (the original material before the scene separating element 30 is cured is referred to as a film). Then, a part of the full-face soft film is cured by exposure using a mask, and then an uncured part of the full-face soft film is removed by development to form a specific pattern, i.e., the view separating element 30.
Alternatively, referring to fig. 5 and 6, in step S110, the first transparent electrode 20 is fabricated on the base substrate 10, and the sub-steps include:
s1111, fabricating a transparent electrode layer on the substrate 10, wherein the transparent electrode layer is located in the 2D/3D switchable region 101 and the 2D display region 102.
S1112, removing the transparent electrode layer in the 2D display region 102 to form the first transparent electrode 20.
For example, the transparent electrode layer in the 2D display region 102 may be removed by dry etching, wet etching, or the like.
Optionally, in step S110, the second transparent electrode 50 is fabricated on the cover plate 60, and the method includes the following sub-steps:
s1121, a transparent electrode layer is formed on the substrate 10, and the transparent electrode layer is located in the 2D/3D switchable region 101 and the 2D display region 102.
And S1122, removing the transparent electrode layer in the 2D display area 102 to form a second transparent electrode 50.
Alternatively, referring to fig. 7 and 8, in step S110, the first transparent electrode 20 is fabricated on the base substrate 10, and the sub-steps include:
s1131, a transparent electrode layer is formed on the substrate 10, and the transparent electrode layer is located in the 2D/3D switchable region 101 and the 2D display region 102.
S1132, cutting the transparent electrode layer into two parts which are not connected to each other, namely a first sub-transparent electrode 21 and a second sub-transparent electrode 22; the first sub-transparent electrode 21 is located in the 2D/3D switchable region 101, the second sub-transparent electrode 22 is located in the 2D display region 102, and the first sub-transparent electrode 21 is configured to receive an external driving voltage.
The transparent electrode is cut into two parts which are not connected with each other, for example, a laser cutting mode can be adopted, and compared with the dry etching or wet etching, the embodiment of the invention only needs to melt the connecting part for connecting the first sub-transparent electrode 21 and the second sub-transparent electrode 22, and does not need to etch all transparent electrode layers in the whole 2D display area 102, so that the workload is small, and the laser cutting mode is simpler and more convenient.
Alternatively, referring to fig. 9 and 10, in step S110, the second transparent electrode 50 is fabricated on the cover plate 60, and the sub-steps include:
s1141, a transparent electrode layer is formed on the cover plate 10, and the transparent electrode layer is located in the 2D/3D switchable region 101 and the 2D display region 102.
S1142, cutting the transparent electrode layer into two parts which are not connected with each other, namely a third sub transparent electrode 51 and a fourth sub transparent electrode 52; the third sub-transparent electrode 51 is located in the 2D/3D switchable region 101, the fourth sub-transparent electrode 52 is located in the 2D display region 102, and the third sub-transparent electrode 51 is configured to receive an external driving voltage.
Alternatively, referring to fig. 12, in step S130, the side of the cover plate 60 with the second transparent electrode 50 and the side of the substrate base plate 10 with the first transparent electrode 20 are fixed by the sealing part 70, which includes the following sub-steps:
s1311, a ring-shaped seal portion 70 is formed on the substrate base plate 10 or the lid plate 60. The sealing part 70 surrounds the 2D/3D switchable region 101, the 2D display region 102 is located outside the region surrounded by the sealing part 70, and the 2D/3D switchable region 101 is located in the region surrounded by the sealing part 70.
S1312, injecting molecules 40 of the electro-optic material into the region surrounded by the sealing part 70.
S1313, the substrate 10 and the cover 60 are paired, and the substrate 10, the cover 60, and the sealing portion 70 form a sealed space.
Alternatively, referring to fig. 11 and 12, after the side of the cover plate 60 with the second transparent electrode 50 and the side of the substrate base plate 10 with the first transparent electrode 20 are fixed by the sealing part 70, the method for manufacturing the 2D/3D switchable optical module may further include the steps of:
s140, cutting off the substrate base plate 10, the first transparent electrode 20, the second transparent electrode 50 and the cover plate 60 of the 2D display region 102. For example, a laser may be used to cut the substrate base plate 10, the first transparent electrode 20, the second transparent electrode 50, and the cover plate 60 of the 2D display area 102, so that the 2D display area 102 forms a hollow area.
Alternatively, referring to fig. 13, in step S130, the side of the cover plate 60 with the second transparent electrode 50 and the side of the substrate base plate 10 with the first transparent electrode 20 are fixed by the sealing part 70, which includes the following sub-steps:
s1321, a ring-shaped seal portion 70 is formed on the substrate base plate 10 or the lid plate 60. Wherein the sealing part 70 surrounds the 2D/3D switchable region 101 and the at least one 2D display region 102, and the at least one 2D display region 102 and the 2D/3D switchable region 101 are both located in a region surrounded by the sealing part 70.
S1322, the molecules 40 of the electro-optic material are injected into the region surrounded by the sealing part 70.
S1323, the substrate base plate 10 and the cover plate 60 are paired, and the substrate base plate 10, the cover plate 60, and the sealing portion 70 form a sealed space.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious modifications, rearrangements, combinations and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (17)
1. A2D/3D switchable optical module, wherein the 2D/3D switchable optical module comprises a 2D/3D switchable region and at least one 2D display region;
wherein the at least one 2D display area is located on one or more edges of the 2D/3D switchable optical module;
the 2D/3D switchable optical module comprises a substrate base plate, a first transparent electrode, a visual separation element, electro-optic material molecules, a second transparent electrode and a cover plate; the substrate base plate is opposite to the cover plate and is fixed through a sealing part, the substrate base plate, the sealing part and the cover plate form a closed space, and the electro-optic material molecules are positioned in the closed space; the first transparent electrode is positioned between the substrate base plate and the electro-optic material molecules, and the second transparent electrode is positioned between the cover plate and the electro-optic material molecules;
the 2D display area is free of the view separating element.
2. The 2D/3D switchable optical module of claim 1 wherein the 2D display area is free of the first transparent electrode and/or the second transparent electrode.
3. The 2D/3D switchable optical module of claim 1, wherein the first transparent electrode comprises a first sub transparent electrode and a second sub transparent electrode, the first sub transparent electrode is located in the 2D/3D switchable region, the second sub transparent electrode is located in the 2D display region, the first sub transparent electrode is electrically insulated from the second sub transparent electrode, and the first sub transparent electrode is configured to receive an external driving voltage.
4. The 2D/3D switchable optical module of claim 1, wherein the second transparent electrode comprises a third sub transparent electrode and a fourth sub transparent electrode, the third sub transparent electrode is located in the 2D/3D switchable region, the fourth sub transparent electrode is located in the 2D display region, the third sub transparent electrode is electrically insulated from the fourth sub transparent electrode, and the third sub transparent electrode is configured to receive an external driving voltage.
5. The 2D/3D switchable optical module of claim 1 wherein the 2D display area is free of the substrate base, the first transparent electrode, the second transparent electrode, and the cover plate.
6. The 2D/3D switchable optical module of any of claims 2-5 wherein the 2D display area is free of the view separation element; the seal portion surrounds the 2D/3D switchable region, the at least one 2D display region is located outside the region surrounded by the seal portion, and the 2D/3D switchable region is located inside the region surrounded by the seal portion.
7. The 2D/3D switchable optical module of any of claims 1-4, wherein the seal surrounds the 2D/3D switchable region and the at least one 2D display region, and the at least one 2D display region and the 2D/3D switchable region are both located within an area surrounded by the seal.
8. The 2D/3D switchable optical module according to claim 1, wherein the 2D/3D switchable optical module comprises a first edge and a third edge disposed opposite to each other, and a second edge and a fourth edge disposed opposite to each other, the first edge and the third edge extending along a first direction, the second edge and the fourth edge extending along a second direction, the first direction and the second direction being perpendicular, and adjacent edges being connected by a right angle or a rounded angle;
the 2D display area is located on the first edge, the second edge, the third edge, or the fourth edge.
9. A display device is characterized by comprising a display panel and a 2D/3D switchable optical module positioned at the light-emitting side of the display panel;
wherein the 2D/3D switchable optical module is the 2D/3D switchable optical module of any of claims 1-8;
the display panel comprises a luminous display area and at least one non-display gap, and the luminous display area and the at least one non-display gap of the display panel are respectively attached to the 2D/3D switchable area and the at least one 2D display area of the 2D/3D switchable optical module.
10. The display device according to claim 9, further comprising an image pickup device located at the non-display notch of the display panel.
11. A method for manufacturing a 2D/3D switchable optical module is characterized in that the 2D/3D switchable optical module comprises a 2D/3D switchable area and at least one 2D display area; the at least one 2D display area is located on one or more edges of the 2D/3D switchable optical module, and the manufacturing method comprises the following steps:
providing a substrate and a cover plate, manufacturing a first transparent electrode on the substrate, and manufacturing a second transparent electrode on the cover plate;
manufacturing a view separation element on the first transparent electrode;
fixing one side of the cover plate with the second transparent electrode and one side of the substrate base plate with the first transparent electrode through a sealing part;
fixing the side of the cover plate with the second transparent electrode and the side of the substrate base plate with the first transparent electrode through a sealing part, comprising:
forming a sealing part in a ring shape on the substrate base plate or the cover plate;
injecting molecules of an electro-optic material into a region surrounded by the seal;
the substrate base plate and the cover plate are paired, and a sealed space is formed by the substrate base plate, the cover plate and the sealing part;
wherein the seal portion surrounds the 2D/3D switchable region, the 2D display region is located outside the region surrounded by the seal portion, and the 2D/3D switchable region is located in the region surrounded by the seal portion;
fabricating a view separating element on the first transparent electrode, comprising:
and manufacturing a view separation element on the first transparent electrode, wherein the view separation element does not cover the 2D display area.
12. The method of claim 11, wherein fabricating a first transparent electrode on the substrate base plate comprises:
manufacturing a transparent electrode layer on the substrate base plate; the transparent electrode layer is positioned in the 2D/3D switchable region and the 2D display region;
removing the transparent electrode layer in the 2D display area to form the first transparent electrode.
13. The method of claim 11, wherein fabricating a second transparent electrode on the cover plate comprises:
manufacturing a transparent electrode layer on the substrate base plate; the transparent electrode layer is positioned in the 2D/3D switchable region and the 2D display region;
removing the transparent electrode layer in the 2D display area to form the second transparent electrode.
14. The method of claim 11, wherein fabricating a first transparent electrode on the substrate base plate comprises:
manufacturing a transparent electrode layer on the substrate base plate; the transparent electrode layer is positioned in the 2D/3D switchable region and the 2D display region;
cutting the transparent electrode layer into two parts which are not connected with each other, namely a first sub transparent electrode and a second sub transparent electrode;
wherein the first sub transparent electrode is located in the 2D/3D switchable region, and the second sub transparent electrode is located in the 2D display region; the first sub transparent electrode is used for receiving an external driving voltage.
15. The method of claim 11, wherein fabricating a second transparent electrode on the cover plate comprises:
manufacturing a transparent electrode layer on the cover plate; the transparent electrode layer is positioned in the 2D/3D switchable region and the 2D display region;
cutting the transparent electrode layer into two parts which are not connected with each other, namely a third sub transparent electrode and a fourth sub transparent electrode;
wherein the third sub transparent electrode is located in the 2D/3D switchable region, and the fourth sub transparent electrode is located in the 2D display region; the third sub transparent electrode is used for receiving an external driving voltage.
16. The manufacturing method according to claim 11, wherein after the side of the cover plate with the second transparent electrode and the side of the substrate base plate with the first transparent electrode are fixed by a sealing portion, the manufacturing method further comprises:
and cutting off the substrate base plate, the first transparent electrode, the second transparent electrode and the cover plate of the 2D display area.
17. The method of manufacturing according to claim 11, wherein fixing the side of the cover plate having the second transparent electrode and the side of the substrate base plate having the first transparent electrode by a sealing portion comprises:
forming a sealing part in a ring shape on the substrate base plate or the cover plate;
injecting molecules of an electro-optic material into a region surrounded by the seal;
the substrate base plate and the cover plate are paired, and a sealed space is formed by the substrate base plate, the cover plate and the sealing part;
wherein the sealing part surrounds the 2D/3D switchable region and the at least one 2D display region, and the at least one 2D display region and the 2D/3D switchable region are both located in an area surrounded by the sealing part.
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| CN202998334U (en) * | 2012-12-27 | 2013-06-12 | 深圳市时代华影科技开发有限公司 | Three-dimensional device and two-dimensional and three-dimensional automatic switching apparatus thereof |
| CN104601973A (en) * | 2014-12-31 | 2015-05-06 | 阿纳克斯（苏州）轨道系统有限公司 | Naked-eye 2D and 3D split-screen display based on special-shaped screen |
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| CN202998334U (en) * | 2012-12-27 | 2013-06-12 | 深圳市时代华影科技开发有限公司 | Three-dimensional device and two-dimensional and three-dimensional automatic switching apparatus thereof |
| CN104601973A (en) * | 2014-12-31 | 2015-05-06 | 阿纳克斯（苏州）轨道系统有限公司 | Naked-eye 2D and 3D split-screen display based on special-shaped screen |
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