CN113703185A - Method for manufacturing lenticular grating - Google Patents
Method for manufacturing lenticular grating Download PDFInfo
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- CN113703185A CN113703185A CN202010440107.3A CN202010440107A CN113703185A CN 113703185 A CN113703185 A CN 113703185A CN 202010440107 A CN202010440107 A CN 202010440107A CN 113703185 A CN113703185 A CN 113703185A
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- 238000000034 method Methods 0.000 title claims abstract description 92
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 61
- 239000000758 substrate Substances 0.000 claims abstract description 171
- 239000000463 material Substances 0.000 claims description 21
- 238000011049 filling Methods 0.000 claims description 8
- 230000000903 blocking effect Effects 0.000 claims 1
- 230000001788 irregular Effects 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 47
- 238000005530 etching Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000000206 photolithography Methods 0.000 description 3
- 229920002120 photoresistant polymer Polymers 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 238000007641 inkjet printing Methods 0.000 description 2
- 238000007650 screen-printing Methods 0.000 description 2
- 239000011358 absorbing material Substances 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000007499 fusion processing Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
- G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
- G02B30/26—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type
- G02B30/27—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type involving lenticular arrays
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/0006—Arrays
- G02B3/0012—Arrays characterised by the manufacturing method
- G02B3/0031—Replication or moulding, e.g. hot embossing, UV-casting, injection moulding
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/0006—Arrays
- G02B3/0037—Arrays characterized by the distribution or form of lenses
- G02B3/005—Arrays characterized by the distribution or form of lenses arranged along a single direction only, e.g. lenticular sheets
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/0006—Arrays
- G02B3/0037—Arrays characterized by the distribution or form of lenses
- G02B3/0056—Arrays characterized by the distribution or form of lenses arranged along two different directions in a plane, e.g. honeycomb arrangement of lenses
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- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
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Abstract
The application relates to the technical field of display, and discloses a method for manufacturing a lenticular lens, which comprises the following steps: providing a substrate, wherein the substrate is provided with at least one light shielding structure; and forming at least two lenses on the substrate, so that the boundary area of the adjacent lens in the at least two lenses corresponds to the at least one shading structure. The method shields the light rays emitted to the lenticulation through at least one light shielding structure formed on the substrate of the lenticulation, solves the problem of wrong light ray projection position of the sub-pixel caused by the irregular section structure formed by the boundary area between the adjacent lenses of the lenticulation, and can reduce or eliminate the left-eye image and right-eye image crosstalk.
Description
Technical Field
The present application relates to the field of display technologies, and for example, to a method for manufacturing lenticular lens.
Background
At present, the lenticular lens is widely applied to 3D displays, and the 3D display based on the lenticular lens enables a user to directly obtain a 3D viewing effect through left and right eyes without the aid of 3D glasses.
In the process of implementing the embodiments of the present disclosure, it is found that at least the following problems exist in the related art: in the manufacturing process of the lenticular lens, due to the precision limit of the manufacturing process, a distortion area is easily formed on an irregular section structure generated at the junction between two lenses of the lenticular lens. When the light of the sub-pixel passes through the distortion area, the light is easily projected to the wrong position, and the left-eye and right-eye image crosstalk is caused.
Disclosure of Invention
The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview nor is intended to identify key/critical elements or to delineate the scope of such embodiments but rather as a prelude to the more detailed description that is presented later.
The embodiment of the disclosure provides a method for manufacturing a lenticular lens grating, so as to solve the technical problems that the light projection position of a sub-pixel is wrong and the left-eye image and the right-eye image are interfered due to an irregular profile structure generated at the junction between two lenses of the lenticular lens grating.
In some embodiments, there is provided a method for manufacturing a lenticular sheet, comprising:
providing a substrate, wherein the substrate is provided with at least one light shielding structure;
and forming at least two lenses on the substrate, so that the boundary area of the adjacent lens in the at least two lenses corresponds to the at least one shading structure.
In some embodiments of the present invention, the,
one end of the shading structure in the thickness direction of the substrate penetrates through the substrate;
forming at least two lenses on the substrate, including:
arranging the at least two lenses on one surface of the substrate, which is far away from the shading structure; or,
and arranging the at least two lenses on one surface of the substrate close to the shading structure.
In some embodiments, the light shielding structure penetrates the substrate in a thickness direction of the substrate;
forming at least two lenses on the substrate, including:
and arranging the at least two lenses on any surface of the substrate.
In some embodiments, the light shielding structure is disposed on a surface of the substrate;
forming at least two lenses on the substrate, including:
and the at least two lenses are arranged on one surface of the substrate, on which the shading structure is arranged.
In some embodiments, one end of the light shielding structure protrudes from the surface of the substrate;
providing the at least two lenses, comprising:
and arranging the boundary area of the adjacent lens in the at least two lenses at the part of the light shielding structure protruding out of the substrate.
In some embodiments, the light shielding structure is disposed entirely within the substrate;
forming at least two lenses on the substrate, including:
and arranging the boundary area of the adjacent lens in the at least two lenses in the projection area of the shading structure corresponding to the substrate.
In some embodiments, the substrate is a monolithic substrate.
In some embodiments of the present invention, the,
the substrate is a partial substrate, and the shading structure is arranged on the surface of the partial substrate;
before forming at least two lenses on the substrate, the method further comprises:
filling materials are arranged on one surface, provided with the light shielding structure, of the partial substrate;
forming at least two lenses on the substrate, including:
arranging the at least two lenses on one surface of the partial substrate, which is far away from the shading structure; or,
and arranging the at least two lenses on one side of the partial substrate on which the filling material is arranged.
In some embodiments, the at least two lenses comprise at least one of a concave lens and a convex lens.
In some embodiments, the at least two lenses comprise at least one of a cylindrical lens and a spherical lens.
In some embodiments, the at least two lenses comprise the lenticular lens;
forming at least two lenses on the substrate, including:
and arranging part or all of the cylindrical lenses on the substrate in parallel.
In some embodiments, further comprising:
the length of the cylindrical lens in the axial direction is set to be the same as the length of the light shielding structure in the axial direction of the cylindrical lens.
In some embodiments, the at least two lenses comprise the spherical lens;
forming at least two lenses on the substrate, including:
and arranging part or all of the spherical lenses on the substrate in an array.
In some embodiments, further comprising:
and arranging a gap between part or all of the adjacent lenses in the at least two lenses.
The method for manufacturing the lenticular lens grating provided by the embodiment of the disclosure can achieve the following technical effects:
the light rays emitted to the lens grating are shielded by at least one light shielding structure formed on the substrate of the lens grating, so that the problem of wrong light projection positions of the sub-pixels caused by distortion regions formed by irregular section structures in boundary regions between adjacent lenses of the lens grating is solved, and the crosstalk of left and right eye images can be reduced or eliminated.
The foregoing general description and the following description are exemplary and explanatory only and are not restrictive of the application.
Drawings
One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the accompanying drawings and not in limitation thereof, in which elements having the same reference numeral designations are shown as like elements and not in limitation thereof, and wherein:
fig. 1 is a schematic flow chart of a first embodiment of a method for manufacturing a lenticular lens according to an embodiment of the present disclosure;
fig. 2 is a schematic cross-sectional structure diagram of a substrate in a first embodiment of a method for manufacturing a lenticular lens according to an embodiment of the present disclosure;
fig. 3 is a schematic cross-sectional structure diagram of a lenticular lens in a first embodiment of a method for manufacturing a lenticular lens according to an embodiment of the present disclosure;
fig. 4 is a schematic cross-sectional structure diagram of a lenticular lens in a second embodiment of the method for manufacturing a lenticular lens according to the embodiment of the present disclosure;
fig. 5 is a schematic cross-sectional structure diagram of a lens in a lenticular lens in a third embodiment of a method for manufacturing a lenticular lens according to an embodiment of the present disclosure;
fig. 6 is a schematic cross-sectional structure diagram of a concave lens in a lenticular lens in a third embodiment of a method for manufacturing a lenticular lens according to an embodiment of the present disclosure;
fig. 7 is a schematic cross-sectional structure diagram of a lens in a lenticular lens array in a third embodiment of the method for manufacturing a lenticular lens array according to the embodiment of the present disclosure;
fig. 8 is a schematic cross-sectional structure diagram of a lenticular lens in a fourth embodiment of the method for manufacturing a lenticular lens according to the embodiment of the present disclosure;
fig. 9 is a schematic cross-sectional structure diagram of a lenticular lens in a fifth embodiment of a method for manufacturing a lenticular lens according to an embodiment of the present disclosure;
fig. 10 is a schematic cross-sectional structure diagram of a lenticular lens in a sixth embodiment of a method for manufacturing a lenticular lens according to an embodiment of the present disclosure;
fig. 11 is a schematic cross-sectional structure diagram of a lenticular lens in a seventh embodiment of the method for manufacturing a lenticular lens according to the embodiment of the present disclosure;
fig. 12 is a schematic cross-sectional structure diagram of a lenticular lens in an eighth embodiment of a method for manufacturing a lenticular lens according to the present disclosure, where the lenticular lens is a convex lens;
fig. 13 is a schematic cross-sectional structure diagram of a lenticular lens in a ninth embodiment of the method for manufacturing a lenticular lens according to the embodiment of the present disclosure;
fig. 14 is a schematic cross-sectional structure diagram of a lenticular lens in a tenth embodiment of a method for manufacturing a lenticular lens according to an embodiment of the present disclosure;
fig. 15 is a schematic cross-sectional structure diagram of a lenticular lens in an eleventh embodiment of the method for manufacturing a lenticular lens according to the embodiment of the present disclosure;
fig. 16A is a schematic cross-sectional view of a portion of a substrate in a second embodiment of a method for manufacturing a lenticular lens according to an embodiment of the present disclosure;
fig. 16B is a schematic cross-sectional view of a portion of a substrate in a second embodiment of a method for manufacturing a lenticular lens according to an embodiment of the present disclosure;
fig. 16C is a schematic cross-sectional structure diagram of a lenticular lens in a twelfth embodiment of the method for manufacturing a lenticular lens according to the embodiment of the present disclosure;
fig. 16D is a schematic cross-sectional structure diagram of a lenticular lens in a thirteenth embodiment of the method for manufacturing a lenticular lens according to the embodiment of the present disclosure;
fig. 17 is a schematic layout diagram of an embodiment of forming a plurality of lenticular lenses in the method for manufacturing a lenticular lens array according to the present disclosure;
fig. 18 is a schematic layout diagram of another embodiment of forming a plurality of lenticular lenses in the method for manufacturing a lenticular lens provided in the embodiment of the present disclosure;
FIG. 19 is a cross-sectional view taken along line A-A of FIG. 17;
FIG. 20 is a schematic layout diagram illustrating an embodiment of forming a plurality of spherical lenses in a method for manufacturing a lenticular sheet according to an embodiment of the present disclosure;
fig. 21 is a schematic layout diagram of another embodiment of forming a plurality of spherical lenses in the method for manufacturing a lenticular lens provided in the embodiment of the present disclosure;
fig. 22 is a schematic layout diagram of an embodiment of a plurality of spherical lenses and a plurality of cylindrical lenses in the method for manufacturing a lenticular grating provided in the embodiment of the present disclosure.
Reference numerals:
100: a lenticular lens; 101: a substrate; 102: a lens; 103: a light shielding structure; 201: a portion of the substrate; 202: a filler material; 301: a substrate; 1021: a lenticular lens; 1022: a spherical lens.
Detailed Description
So that the manner in which the features and elements of the disclosed embodiments can be understood in detail, a more particular description of the disclosed embodiments, briefly summarized above, may be had by reference to the embodiments, some of which are illustrated in the appended drawings. In the following description of the technology, for purposes of explanation, numerous details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may be practiced without these details. In other instances, well-known structures and devices may be shown in simplified form in order to simplify the drawing.
Referring to fig. 1, fig. 1 shows a schematic flow chart of a first embodiment of a method for manufacturing a lenticular lens provided by the embodiment of the present disclosure, and the embodiment of the present disclosure provides a method for manufacturing a lenticular lens 100, including:
s101, providing a substrate 101, wherein the substrate 101 is provided with at least one light shielding structure 103.
S102, forming at least two lenses 102 on the substrate 101, so that a boundary region of adjacent lenses 102 of the at least two lenses 102 corresponds to the at least one light shielding structure 103.
In some embodiments, the process of providing the light shielding structure 103 on the substrate 101 may include at least one of the following: etching, filling, ink jetting, stamping and screen printing.
In some embodiments, the widths of the plurality of light shielding structures 103 along the arrangement direction of the lenses 102 may be set to eliminate stray light at the interface between adjacent lenses 102.
In some embodiments, the light shielding material forming the light shielding structure 103 may include at least one of a light absorbing material and a light reflecting material. The type of the light-shielding material can be determined according to actual process requirements and the like.
In some embodiments, the light shielding material forming each light shielding structure 103 may be the same or different.
In some embodiments, the at least two lenses 102 may be fabricated using nanoimprint techniques: the substrate 101 is coated with a material for forming the lenses 102, and at least two lenses 102 are formed by nanoimprinting.
In some embodiments, the at least two lenses 102 may also be fabricated using a thermal fusion process: a material for forming the lenses 102 is laid on the substrate 101, the material for forming the lenses 102 is subjected to photolithography, the remaining portion after photolithography is heated to form the shape of the lenses 102 by the action of surface tension, and at least two lenses 102 are formed after cooling.
In some embodiments, the at least two lenses 102 can also be fabricated by etching: laying a material layer for manufacturing the lenses 102 on the substrate 101, depositing photoresist on the material layer for manufacturing the lenses 102, performing photolithography to form at least two shapes of the lenses 102, etching the material layer of the lenses 102 by using the photoresist as a mask to form at least two lenses 102, and removing the residual photoresist.
Optionally, the projection area of the light shielding structure 103 on the substrate 101 covers the boundary area between the adjacent lenses 102, so that external light rays incident on the lenticular lens 100 can be effectively shielded, and by shielding the external light rays, the technical problem of crosstalk between left and right eye images caused by errors in light projection positions of sub-pixels due to distortion areas formed by irregular cross-sectional structures in the boundary area between the adjacent lenses of the lenticular lens is solved, the crosstalk between the left and right eye images is reduced or eliminated, and the display quality of the 3D image is improved.
Referring to fig. 2 and fig. 2 are schematic cross-sectional structural diagrams of a substrate in a first embodiment of a method for manufacturing a lenticular grating according to an embodiment of the present disclosure, in some embodiments, in step S101, the substrate 101 may be a monolithic substrate.
In some embodiments, the at least two lenses 102 formed on the substrate 101 may include at least one of a concave lens and a convex lens.
Referring to fig. 3, fig. 3 is a schematic cross-sectional structure diagram of a lenticular grating in a first embodiment of a method for manufacturing a lenticular grating according to an embodiment of the present disclosure, in some embodiments, one end of the light shielding structure 103 in the thickness direction of the substrate 101 may penetrate through the substrate 101; forming at least two lenses 102 on the substrate 101 may include: at least two lenses 102 are arranged on the side of the substrate 101 facing away from the light shielding structure 103. Alternatively, the at least two lenses 102 formed on the substrate 101 may include convex lenses.
Referring to fig. 4, fig. 4 is a schematic cross-sectional structure diagram of a lenticular grating in a second embodiment of the method for manufacturing a lenticular grating provided by the embodiment of the present disclosure, in some embodiments, one end of the light shielding structure 103 in the thickness direction of the substrate 101 may penetrate through the substrate 101; forming at least two lenses 102 on the substrate 101 may include: at least two lenses 102 are disposed on a surface of the substrate 101 near the light shielding structure 103. Alternatively, the at least two lenses 102 formed on the substrate 101 may include convex lenses.
Referring to fig. 5, fig. 5 is a schematic cross-sectional structure diagram of a lenticular grating in a third embodiment of the method for manufacturing a lenticular grating provided in the embodiment of the present disclosure, in some embodiments, the light shielding structure 103 may penetrate through the substrate 101 in a thickness direction of the substrate 101; forming at least two lenses 102 on the substrate 101 may include: at least two lenses 102 are provided on either surface of the substrate 101. Alternatively, the at least two lenses 102 formed on the substrate 101 may include convex lenses.
Referring to fig. 6, fig. 6 is a schematic cross-sectional structure diagram illustrating that the lenses in the lenticular lens array are concave lenses in the third embodiment of the method for manufacturing a lenticular lens array according to the embodiment of the present disclosure, and in some embodiments, the at least two lenses 102 formed on the substrate 101 may include concave lenses.
Referring to fig. 7, fig. 7 is a schematic cross-sectional view illustrating a lens in a lenticular lens array according to a third embodiment of the present disclosure, where the lens in the lenticular lens array is a combination of a concave lens and a convex lens, and in some embodiments, the at least two lenses 102 formed on the substrate 101 may include a combination of a concave lens and a convex lens.
Embodiments of the present disclosure are described below primarily with reference to the lens 102 being a convex lens.
Referring to fig. 8, fig. 8 is a schematic cross-sectional structure diagram of a lenticular grating in a fourth embodiment of the method for manufacturing a lenticular grating according to the embodiment of the present disclosure, in some embodiments, a light shielding structure 103 is disposed on a surface of a substrate 101; forming at least two lenses 102 on the substrate 101 may include: at least two lenses 102 are provided on the surface of the substrate 101 on which the light shielding structure 103 is provided. Alternatively, the boundary region of the adjacent lens 102 in the at least two lenses 102 may be disposed on the surface of the light shielding structure 103.
Referring to fig. 9, fig. 9 is a schematic cross-sectional structure diagram of a lenticular grating in a fifth embodiment of the method for manufacturing a lenticular grating provided by the embodiment of the present disclosure, in some embodiments, one end of the light shielding structure 103 in the thickness direction of the substrate 101 may penetrate through the substrate 101, and the light shielding structure 103 may protrude from the surface of the substrate 101; providing at least two lenses 102 may include:
the boundary region of the adjacent lens 102 of the at least two lenses 102 is disposed at the portion of the light shielding structure 103 protruding from the substrate 101.
Referring to fig. 10, fig. 10 is a schematic cross-sectional structure diagram of a lenticular lens grating in a sixth embodiment of a method for manufacturing a lenticular lens grating provided in the embodiment of the present disclosure, in some embodiments, a light shielding structure 103 may penetrate through a substrate 101 in a thickness direction of the substrate 101, and the light shielding structure 103 may protrude out of a surface of the substrate 101, and at least two lenses 102 are disposed, which may include:
the boundary region of the adjacent lens 102 of the at least two lenses 102 is disposed at the portion of the light shielding structure 103 protruding from the substrate 101.
In some embodiments, the light shielding material of the portion of the light shielding structure 103 protruding from the surface of the substrate 101 may be the same as or different from the light shielding material of the portion of the light shielding structure 103 located in the substrate 101.
Referring to fig. 9 and 10, in some embodiments, a projection area of a portion of the light shielding structure 103 protruding from the substrate 101 on the surface of the substrate 101 may be the same as a projection area of a portion of the light shielding structure 103 inside the substrate body 101 on the surface of the substrate body 101.
Referring to fig. 11 and 12, fig. 11 is a schematic cross-sectional structure diagram of a lenticular grating in a seventh embodiment of the method for manufacturing a lenticular grating according to the embodiment of the present disclosure; fig. 12 is a schematic cross-sectional structure diagram of a lenticular grating in an eighth embodiment of a method for manufacturing a lenticular grating provided by an embodiment of the present disclosure, and in some embodiments, a projection area of a portion of the light shielding structure 103 protruding from the substrate 101 on the surface of the substrate 101 may be larger than a projection area of a portion of the light shielding structure 103 in the substrate 101 on the surface of the substrate 101.
Referring to fig. 13 and 14, fig. 13 is a schematic cross-sectional structure diagram of a lenticular lens in a ninth embodiment of the method for manufacturing a lenticular lens according to the embodiment of the present disclosure; fig. 14 is a schematic cross-sectional structure diagram of a lenticular grating in a tenth embodiment of a method for manufacturing a lenticular grating provided by the embodiment of the present disclosure, and in some embodiments, a projection area of a portion of the light shielding structure 103 protruding from the substrate 101 on the surface of the substrate 101 may be smaller than a projection area of a portion of the light shielding structure 103 in the substrate 101 on the surface of the substrate 101.
Referring to fig. 15, fig. 15 is a schematic cross-sectional structure diagram of a lenticular grating in an eleventh embodiment of the method for manufacturing a lenticular grating provided in the embodiment of the present disclosure, in some embodiments, the light shielding structure 103 may be completely disposed in the substrate 101; forming at least two lenses 102 on the substrate 101 may include:
the boundary area of the adjacent lens 102 of the at least two lenses 102 is disposed in the projection area of the light shielding structure 103 corresponding to the substrate 101.
Referring to fig. 16A to 16D, in some embodiments, in step S101, the substrate provided may be a partial substrate 201.
In some embodiments, the process of forming the light shielding structure 103 on the portion of the substrate 201 may include at least one of the following: etching, filling, ink jetting, stamping and screen printing.
Referring to fig. 16A, fig. 16A is a schematic cross-sectional view illustrating a partial substrate in a second embodiment of a method for manufacturing a lenticular grating according to an embodiment of the present disclosure, and in some embodiments, the light shielding structure 103 may be disposed on a surface of the partial substrate 201.
Referring to fig. 16B, fig. 16B is a schematic cross-sectional structure diagram of a portion of a substrate in a second embodiment of a method for manufacturing a lenticular lens provided in an embodiment of the present disclosure, and in some embodiments, before forming at least two lenses 102 on the substrate 201, the method may include:
a filling material 202 is provided on a side of the partial substrate 201 where the light shielding structure 103 is provided. Optionally, the filler material 202 may comprise a substrate material.
Referring to fig. 16C, fig. 16C is a schematic cross-sectional structure diagram of a lenticular grating in a twelfth embodiment of the method for manufacturing a lenticular grating provided by the embodiment of the present disclosure, in some embodiments, forming at least two lenses 102 on a substrate 201 may include:
at least two lenses 102 are arranged on a side of the partial substrate 201 facing away from the light shielding structure 103.
Referring to fig. 16D, fig. 16D is a schematic cross-sectional structure diagram of a lenticular lens grating in a thirteenth embodiment of the method for manufacturing a lenticular lens grating provided by the embodiment of the present disclosure, in some embodiments, forming at least two lenses 102 on a substrate 201 may include:
at least two lenses 102 are arranged on the side of the part of the substrate 201 on which the filling material 202 is arranged.
In some embodiments, some or all of the lenses 102 may be provided with no gaps or gaps between adjacent lenses. Alternatively, referring to fig. 3 to 15, there may be no gap between all adjacent lenses 102 of the plurality of lenses 102. Referring to fig. 16C and 16D, some of the lenses 102 may be disposed without a gap or with a gap between adjacent lenses 102.
In some embodiments, the plurality of lenses 102 disposed on the substrate 301 may include at least one of a lenticular lens 1021 and a spherical lens 1022, and the substrate 301 may be the entire substrate (substrate 101) or a portion of the substrate 201 described above. Alternatively, the lenticular lens 1021 may include at least one of a lenticular concave lens, a lenticular convex lens, a combination of a lenticular convex lens and a lenticular concave lens. Alternatively, the spherical lens 1022 may include at least one of a spherical concave lens, a spherical convex lens, a combination of a spherical concave lens and a spherical convex lens. Alternatively, the plurality of lenses 102 may include at least one of a combination of a cylindrical convex lens and a spherical convex lens, a combination of a cylindrical convex lens and a spherical concave lens, a combination of a cylindrical concave lens and a spherical concave lens, and a combination of a cylindrical concave lens and a spherical convex lens.
In some embodiments, whether the lens 102 includes a cylindrical lens 1021, a spherical lens 1022, or has other shapes, at least one curve of the surface of the lens 102 may be macroscopically circular or non-circular, such as: elliptical, hyperbolic, parabolic, etc. Alternatively, at least one curve of the surface of the lens 102 may microscopically have a non-circular shape such as a polygon. Alternatively, the shape of the lens 102 may be determined according to practical situations such as process requirements, for example: the shape of the surface of the lens 102. In some embodiments, the plurality of lenses 102 may include a lenticular lens 1021. Alternatively, some or all of the lenticular lenses 1021 may be arranged in parallel on the substrate 301.
Referring to fig. 17, fig. 17 is a schematic diagram illustrating an arrangement of an embodiment of forming a plurality of lenticular lenses in the lenticular lens manufacturing method according to the embodiment of the present disclosure, and in some embodiments, all the lenticular lenses 1021 may be arranged in parallel.
Referring to fig. 18, fig. 18 is a schematic layout diagram illustrating another embodiment of forming a plurality of lenticular lenses in the lenticular lens manufacturing method according to the embodiment of the present disclosure, and in some embodiments, some of the lenticular lenses 1021 may be arranged in parallel on the substrate 301. Optionally, part of the lenticular lens 1021 may be arranged according to a preset direction, and the preset direction may include a direction which is a preset included angle with the arrangement direction of the lenticular lens 1021 which is arranged in parallel, and the setting of the preset included angle may be considered according to actual conditions such as process requirements.
Referring to fig. 19, fig. 19 illustrates a cross-sectional view of fig. 17 along a-a line, and in some embodiments, the length of the lenticular lens 1021 in the axial direction may be the same as the length of the light shielding structure 103 in the axial direction of the lenticular lens 1021. The length of the lenticular lens 1021 in the axial direction and the arrangement of the light shielding structure 103 along the length of the lenticular lens 2011 in the axial direction can be considered according to actual conditions such as process requirements.
In some embodiments, the plurality of lenses 102 may include a spherical lens 1022. Alternatively, some or all of the spherical lenses 1022 may be arranged in an array on the substrate 301.
Referring to fig. 20, fig. 20 is a schematic layout diagram illustrating an embodiment of forming a plurality of spherical lenses in the method for manufacturing a lenticular lens array according to the present disclosure, and in some embodiments, all the spherical lenses 1022 may be arranged on the substrate 301 in an array.
Referring to fig. 21, fig. 21 is a schematic layout diagram illustrating another embodiment of forming a plurality of spherical lenses in the method for manufacturing a lenticular lens array provided in the present disclosure, and in some embodiments, the partial spherical lenses 1022 may be arranged on the substrate 301 in an array.
Optionally, the number of the spherical lenses 1022 and the spatial position arrangement of the spherical lenses 1022 on the substrate 301 may be determined according to practical situations such as process requirements.
Referring to fig. 22, fig. 22 illustrates an arrangement schematic diagram of an embodiment of a plurality of spherical lenses and a plurality of cylindrical lenses in the method for manufacturing a lenticular lens grating provided in the embodiment of the present disclosure, in some embodiments, the plurality of lenses 102 disposed on the substrate 301 may include cylindrical lenses 1021 and spherical lenses 1022, all the cylindrical lenses 1021 may be arranged in parallel on the substrate 301, and all the spherical lenses 1022 may be arranged in an array on the substrate 301. Alternatively, all the lenticular lenses 1021 are arranged in parallel on the substrate 301, and the partial spherical lenses 1022 are arranged in an array on the substrate 101. Alternatively, part of the lenticular lenses 1021 is arranged in parallel on the substrate 301, and all of the spherical lenses 1022 are arranged in an array on the substrate 301. Alternatively, the partial lenticular lenses 1021 are arranged in parallel on the substrate 301, and the partial spherical lenses 1012 are arranged in an array on the substrate 301. The number of the lenticular lenses 1021 and the spherical lenses 1012 and the spatial arrangement on the substrate 301 may be determined according to actual conditions such as process requirements.
According to the manufacturing method of the lenticular lens grating, the light rays emitted to the lenticular lens grating are shielded by the at least one light shielding structure formed on the substrate of the lenticular lens grating, the problem that the projection position of the light rays of the sub-pixels is wrong due to the irregular profile structure formed by the boundary area between the adjacent lenses of the lenticular lens grating is solved, the crosstalk of left and right eye images can be reduced or eliminated, and therefore the display quality of the 3D images projected through the boundary area is improved.
The above description and drawings sufficiently illustrate embodiments of the disclosure to enable those skilled in the art to practice them. Other embodiments may incorporate structural, logical, electrical, process, and other changes. The examples merely typify possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in or substituted for those of others. The scope of the disclosed embodiments includes the full ambit of the claims, as well as all available equivalents of the claims. As used in this application, although the terms "first," "second," etc. may be used in this application to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, unless the meaning of the description changes, so long as all occurrences of the "first element" are renamed consistently and all occurrences of the "second element" are renamed consistently. The first and second elements are both elements, but may not be the same element. Furthermore, the words used in the specification are words of description only and are not intended to limit the claims. As used in the description of the embodiments and the claims, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. Similarly, the term "and/or" as used in this application is meant to encompass any and all possible combinations of one or more of the associated listed. Furthermore, the terms "comprises" and/or "comprising," when used in this application, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. Without further limitation, an element defined by the phrase "comprising an …" does not exclude the presence of other like elements in a process, method or apparatus that comprises the element. In this document, each embodiment may be described with emphasis on differences from other embodiments, and the same and similar parts between the respective embodiments may be referred to each other. For methods, products, etc. of the embodiment disclosures, reference may be made to the description of the method section for relevance if it corresponds to the method section of the embodiment disclosure.
Those of skill in the art would appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software may depend upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the disclosed embodiments. It is clear to those skilled in the art that, for convenience and brevity of description, the working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the embodiments disclosed herein, the disclosed methods, products (including but not limited to devices, apparatuses, etc.) may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, a division of a unit may be merely a division of a logical function, and an actual implementation may have another division, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form. Units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to implement the present embodiment. In addition, functional units in the embodiments of the present disclosure may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
In the drawings, the width, length, thickness, etc. of structures such as elements or layers may be exaggerated for clarity and descriptive purposes. When an element or layer is referred to as being "disposed on" (or "mounted on," "laid on," "attached to," "coated on," or the like) another element or layer, the element or layer may be directly "disposed on" or "over" the other element or layer, or intervening elements or layers may be present, or even partially embedded in the other element or layer.
The flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to embodiments of the present disclosure. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). In some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. In the description corresponding to the flowcharts and block diagrams in the figures, operations or steps corresponding to different blocks may also occur in different orders than disclosed in the description, and sometimes there is no specific order between the different operations or steps. For example, two sequential operations or steps may in fact be executed substantially concurrently, or they may sometimes be executed in the reverse order, depending upon the functionality involved. Each block of the block diagrams and/or flowchart illustrations, and combinations of blocks in the block diagrams and/or flowchart illustrations, can be implemented by special purpose hardware-based systems that perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
Claims (14)
1. A method for manufacturing a lenticular lens, comprising:
providing a substrate, wherein the substrate is provided with at least one light shielding structure;
and forming at least two lenses on the substrate, so that the boundary area of the adjacent lens in the at least two lenses corresponds to the at least one shading structure.
2. The method according to claim 1, wherein one end of the light shielding structure in a thickness direction of the substrate penetrates the substrate;
forming at least two lenses on the substrate, including:
arranging the at least two lenses on one surface of the substrate, which is far away from the shading structure; or,
and arranging the at least two lenses on one surface of the substrate close to the shading structure.
3. The method according to claim 1, wherein the light shielding structure penetrates the substrate in a thickness direction of the substrate;
forming at least two lenses on the substrate, including:
and arranging the at least two lenses on any surface of the substrate.
4. The method of claim 1, wherein the light shielding structure is disposed on a surface of the substrate;
forming at least two lenses on the substrate, including:
and the at least two lenses are arranged on one surface of the substrate, on which the shading structure is arranged.
5. The method according to any one of claims 2 to 4, wherein the light shielding structure protrudes from the surface of the substrate;
providing the at least two lenses, comprising:
and arranging the boundary area of the adjacent lens in the at least two lenses at the part of the light shielding structure protruding out of the substrate.
6. The method of claim 1, wherein the light shielding structure is disposed entirely within the substrate;
forming at least two lenses on the substrate, including:
and arranging the boundary area of the adjacent lens in the at least two lenses in the projection area of the shading structure corresponding to the substrate.
7. The method of any one of claims 1 to 6, wherein the substrate is a monolithic substrate.
8. The method of claim 1, wherein the substrate is a portion of a substrate, and the light blocking structure is disposed on a surface of the portion of the substrate;
before forming at least two lenses on the substrate, the method further comprises:
filling materials are arranged on one surface, provided with the light shielding structure, of the partial substrate;
forming at least two lenses on the substrate, including:
arranging the at least two lenses on one surface of the partial substrate, which is far away from the shading structure; or,
and arranging the at least two lenses on one side of the partial substrate on which the filling material is arranged.
9. The method of claim 1, wherein the at least two lenses comprise at least one of a concave lens and a convex lens.
10. The method of claim 9, wherein the at least two lenses comprise at least one of a cylindrical lens and a spherical lens.
11. The method of claim 10, wherein the at least two lenses comprise the lenticular lens;
forming at least two lenses on the substrate, including:
and arranging part or all of the cylindrical lenses on the substrate in parallel.
12. The method of claim 11, further comprising:
the length of the cylindrical lens in the axial direction is set to be the same as the length of the light shielding structure in the axial direction of the cylindrical lens.
13. The method of claim 10, wherein the at least two lenses comprise the spherical lens;
forming at least two lenses on the substrate, including:
and arranging part or all of the spherical lenses on the substrate in an array.
14. The method of any one of claims 1 to 13, further comprising:
and arranging a gap between part or all of the adjacent lenses in the at least two lenses.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010440107.3A CN113703185A (en) | 2020-05-22 | 2020-05-22 | Method for manufacturing lenticular grating |
| PCT/CN2021/090565 WO2021233097A1 (en) | 2020-05-22 | 2021-04-28 | Fabrication method for lens grating |
| TW110117706A TW202146946A (en) | 2020-05-22 | 2021-05-17 | Fabrication method for lens grating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010440107.3A CN113703185A (en) | 2020-05-22 | 2020-05-22 | Method for manufacturing lenticular grating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113703185A true CN113703185A (en) | 2021-11-26 |
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ID=78646139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010440107.3A Pending CN113703185A (en) | 2020-05-22 | 2020-05-22 | Method for manufacturing lenticular grating |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN113703185A (en) |
| TW (1) | TW202146946A (en) |
| WO (1) | WO2021233097A1 (en) |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2021233097A1 (en) | 2021-11-25 |
| TW202146946A (en) | 2021-12-16 |
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