CN113703183A - Lens grating, display module, display screen and display - Google Patents

Abstract

The present application relates to the field of display technology, and discloses a lens grating, a display module, a display screen and a display, wherein the lens grating comprises: a base part, and at least two lenses arranged on one side of the base part; A shading part is arranged in the junction area of the adjacent lenses in at least two lenses; by arranging the shading part on the base, the stray light generated at the junction of the two lenses can be effectively reduced or eliminated, thereby effectively improving the image quality projected in this area .

Description

Lens grating, display module, display screen and display

technical field

The present application relates to the technical field of 3D display, for example, to a lens grating, a display module, a display screen and a display.

Background technique

At present, lens gratings are widely used in 3D displays, and 3D displays based on lens gratings can obtain 3D viewing effects without glasses.

In the process of implementing the embodiments of the present disclosure, it is found that there are at least the following problems in the related art: due to the precision limitation of the manufacturing process, the surface of the lens will not be absolutely smooth, especially at the junction of the two lenses, it is easy to form a distorted groove , When the light of the sub-pixel passes through the distortion area, the transmitted light cannot be controlled, and it will become stray light, resulting in crosstalk between the left and right eye images, and reducing the quality of the image projected in this area.

SUMMARY OF THE INVENTION

In order to provide a basic understanding of some aspects of the disclosed embodiments, a brief summary is given below. This summary is not intended to be an extensive review, nor to identify key/critical elements or delineate the scope of protection of these embodiments, but rather serves as a prelude to the detailed description that follows.

Embodiments of the present disclosure provide a lens grating, a display module, a display screen and a display to solve the technical problem of image crosstalk caused by a distortion area between two lenses in the lens grating.

In some embodiments, a lens grating is provided, comprising a base, and at least two lenses disposed on one side of the base;

Wherein, a light shielding portion is provided on the base portion corresponding to the boundary region between adjacent lenses of the at least two lenses.

In some embodiments, the at least two lenses may include at least one of a concave lens and a convex lens.

In some embodiments, the at least two lenses may include at least one of cylindrical lenses and spherical lenses.

In some embodiments, the at least two lenses may comprise lenticular lenses, some or all of which are distributed in parallel.

In some embodiments, the length of the light shielding portion along the axial direction of the lenticular lens may be the same as the axial length of the lenticular lens.

In some embodiments, the at least two lenses may include spherical lenses, some or all of which are arranged in an array.

In some embodiments, some or all of the at least two lenses may have no gaps between adjacent lenses, or there may be gaps.

In some embodiments, the width of the light shielding portion along the lens arrangement direction may be set to eliminate stray light at the interface of adjacent lenses.

In some embodiments, the light shielding portion may penetrate through the base portion in the thickness direction of the base portion.

In some embodiments, one end of the light shielding portion in the thickness direction of the base portion may penetrate through the base portion.

In some embodiments, one end of the shading portion may include at least one of the following:

The shading part is close to one end of at least two lenses;

The light shielding portion is away from one end of the at least two lenses.

In some embodiments, one end of the light shielding portion close to the at least two lenses may protrude from a surface of the base portion close to the at least two lenses.

In some embodiments, the projected area of the portion of the light-shielding portion protruding from the base portion on the surface of the base portion may be the same as the projected area of the portion of the light-shielding portion within the base portion on the surface of the base portion; or,

The projected area of the portion of the light-shielding portion protruding from the base portion on the surface of the base portion may be greater than the projected area of the portion of the light-shielding portion within the base portion on the surface of the base portion; or,

The projected area of the portion of the light-shielding portion protruding from the base portion on the surface of the base portion may be smaller than the projected area of the portion of the light-shielding portion inside the base portion on the surface of the base portion.

In some embodiments, the shading portion may be placed entirely within the base portion.

In some embodiments, the light shielding portion may be disposed on the surface of the base portion close to the at least two lenses.

In some embodiments, the light shielding portion may contain a light absorbing material or a light reflecting material.

In some embodiments, a display module is also provided, including the above-mentioned lens grating.

In some embodiments, a display screen is also provided, including the above-mentioned display module.

In some embodiments, a display is also provided, including the above-mentioned display screen.

The lens grating, display module, display screen and display provided by the embodiments of the present disclosure can achieve the following technical effects:

Solve the technical problem of image crosstalk caused by the distortion area between two lenses in the lens grating.

The foregoing general description and the following description are exemplary and explanatory only and are not intended to limit the application.

Description of drawings

One or more embodiments are exemplified by the accompanying drawings, which are not intended to limit the embodiments, and elements with the same reference numerals in the drawings are shown as similar elements, The drawings do not constitute a limitation of scale, and in which:

1 is a schematic cross-sectional structural diagram of a first embodiment of a lens grating provided by an embodiment of the present disclosure;

2A is a schematic cross-sectional structural diagram of an embodiment of the lens grating provided by the present disclosure, wherein the lens is a concave lens;

2B is a schematic cross-sectional structural diagram of an embodiment of the lens grating provided by the embodiment of the present disclosure, wherein the lens is a combination of a concave lens and a convex lens;

2C is a schematic diagram of distribution of a plurality of cylindrical lenses in an embodiment of the lens grating provided by an embodiment of the present disclosure;

2D is a schematic diagram of the distribution of a plurality of lenticular lenses in another embodiment of the lens grating provided by the embodiment of the present disclosure;

2E is a schematic diagram of distribution of a plurality of spherical lenses in an embodiment of the lens grating provided by an embodiment of the present disclosure;

2F is a schematic diagram of the distribution of a plurality of spherical lenses in another embodiment of the lens grating provided by the embodiment of the present disclosure;

2G is a schematic diagram of the distribution of an embodiment of a plurality of spherical lenses and a plurality of cylindrical lenses in the lens grating provided by the embodiment of the present disclosure;

Fig. 3 is the sectional view along A-A line of Fig. 2C;

4 is a schematic cross-sectional structural diagram of a second embodiment of a lens grating provided by an embodiment of the present disclosure;

5 is a schematic cross-sectional structural diagram of a third embodiment of the lens grating provided by the embodiment of the present disclosure;

6 is a schematic cross-sectional structural diagram of a fourth embodiment of a lens grating provided by an embodiment of the present disclosure;

7 is a schematic cross-sectional structural diagram of a fifth embodiment of a lens grating provided by an embodiment of the present disclosure;

8 is a schematic cross-sectional structural diagram of a sixth embodiment of a lens grating provided by an embodiment of the present disclosure;

9 is a schematic cross-sectional structural diagram of a seventh embodiment of a lens grating provided by an embodiment of the present disclosure;

10 is a schematic cross-sectional structural diagram of an eighth embodiment of a lens grating provided by an embodiment of the present disclosure;

11 is a schematic cross-sectional structural diagram of a ninth embodiment of a lens grating provided by an embodiment of the present disclosure;

12 is a schematic cross-sectional structural diagram of a tenth embodiment of a lens grating provided by an embodiment of the present disclosure;

13 is a schematic cross-sectional structural diagram of an eleventh embodiment of a lens grating provided by an embodiment of the present disclosure;

14 is a schematic cross-sectional structural diagram of a twelfth embodiment of a lens grating provided by an embodiment of the present disclosure;

15 is a schematic structural diagram of an embodiment of a display module provided by an embodiment of the present disclosure;

16 is a schematic structural diagram of an embodiment of a display screen provided by an embodiment of the present disclosure;

FIG. 17 is a schematic structural diagram of an embodiment of a display provided by an embodiment of the present disclosure.

Reference number:

100: lens grating; 101: base portion; 102: lens; 103: light shielding portion; 1021: cylindrical lens; 1022: spherical lens.

Detailed ways

In order to understand the features and technical contents of the embodiments of the present disclosure in more detail, the implementation of the embodiments of the present disclosure will be described in detail below with reference to the accompanying drawings, which are for reference only and are not intended to limit the embodiments of the present disclosure. In the following technical description, for the convenience of explanation, numerous details are provided 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 simplified in order to simplify the drawings.

Embodiments of the present disclosure provide a lens grating, so as to solve the problem of wrong projection positions of sub-pixels caused by irregular cross-sections of the lens grating, resulting in crosstalk between left and right eye images.

Referring to FIG. 1 , FIG. 1 is a schematic cross-sectional structure diagram of some embodiments of lens gratings provided by embodiments of the present disclosure. In some embodiments, a lens grating 100 is provided, including a base portion 101 , and a lens grating disposed on one side of the base portion 101 . at least two lenses 102;

Wherein, a light shielding portion 103 is provided on the base portion 101 corresponding to the boundary region between adjacent lenses of the at least two lenses 102 .

In some embodiments, the at least two lenses 102 may include at least one of a concave lens and a convex lens.

In some embodiments, referring to FIG. 1 , the at least two lenses 102 may comprise convex lenses.

In some embodiments, referring to FIG. 2A , FIG. 2A is a schematic cross-sectional structural diagram of an embodiment of a lens grating provided by an embodiment of the present disclosure where the lens is a concave lens. At least two lenses 102 may include concave lenses.

In some embodiments, referring to FIG. 2B , FIG. 2B is a schematic cross-sectional structural diagram of an embodiment of the lens grating provided by an embodiment of the present disclosure where the lens is a combination of a concave lens and a convex lens. The at least two lenses 102 may include a convex lens and a concave lens.

In some embodiments, the at least two lenses 102 may include at least one of cylindrical lenses and spherical lenses.

Referring to FIGS. 2C and 2D , FIG. 2C is a schematic diagram of distribution of a plurality of cylindrical lenses in a lens grating provided by an embodiment of the present disclosure, and FIG. 2D is another embodiment of a plurality of cylindrical lenses in a lens grating provided by the present disclosure. In the schematic distribution diagram of the embodiment, at least two lenses 102 may include lenticular lenses 1021 . Referring to FIGS. 2E and 2F , FIG. 2E is a schematic diagram of the distribution of a plurality of spherical lenses in an embodiment of the lens grating provided by the embodiment of the present disclosure, and FIG. 2F is another embodiment of the plurality of spherical lenses in the lens grating provided by the present disclosure. In the schematic diagram of the distribution of the embodiment, the at least two lenses 102 may include spherical lenses 1022 . Referring to FIG. 2G , FIG. 2G is a schematic diagram of distribution of a plurality of spherical lenses and a plurality of cylindrical lenses in an embodiment of the lens grating provided by the embodiment of the present disclosure. At least two lenses 102 may include cylindrical lenses 1021 and spherical lenses 1022 .

The plurality of lenticular lenses 1021 may be concave lenticular lenses, convex lenticular lenses, or a combination of convex lenticular lenses and concave lenticular lenses. The plurality of spherical lenses 1022 may be spherical concave lenses, spherical convex lenses, or a combination of spherical concave lenses and spherical convex lenses. In addition, the at least two lenses may also be 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. The number and type of the lenses 102 are set according to actual needs.

In some embodiments, the at least two lenses 102 include lenticular lenses 1021, and some or all of the lenticular lenses 1021 are distributed in parallel.

Referring to FIG. 2C , at least two lenses 102 may include lenticular lenses 1021 , wherein all the lenticular lenses 1021 are distributed in parallel. Referring to FIG. 2D , some of the lenticular lenses 1021 are distributed in parallel. The arrangement of the lenticular lenses 1021 is set according to actual needs.

In some embodiments, the at least two lenses 102 may include cylindrical lenses 1021, and some or all of the cylindrical lenses 1021 are distributed in parallel. Referring to FIG. 3, it is a cross-sectional view taken along the line A-A in FIG. The axial length of the lens 1021 may be the same as the axial length of the lenticular lens 1021 .

In some embodiments, referring to FIG. 2E , FIG. 2E is a schematic diagram of the distribution of a plurality of spherical lenses in a lens grating provided by an embodiment of the present disclosure. At least two lenses 102 may include spherical lenses 1022 , and some spherical lenses 1022 may arranged in an array. Referring to FIG. 2F , FIG. 2F is a schematic diagram of the distribution of a plurality of spherical lenses in a lens grating according to another embodiment of the present disclosure. All spherical lenses 1022 can be arranged in an array, and the arrangement of spherical lenses 1022 can be set according to actual needs.

In some embodiments, whether the lens comprises a cylindrical lens, a spherical lens, or has other shapes, at least one curve of the surface of the lens may be macroscopically circular or non-circular, such as: elliptical, hyperbolic, parabolic, Wait. Optionally, at least one curve of the surface of the lens may be in a non-circular shape such as a polygon in microscopic view. Optionally, the shape of the lens may be determined according to actual conditions such as process requirements, for example, the shape of the surface of the lens.

The following embodiments are described by taking the lens 102 as a convex lens as an example.

In some embodiments, referring to FIG. 1 , FIG. 1 is a schematic cross-sectional structure diagram of a first embodiment of a lens grating provided by an embodiment of the present disclosure, and there is no gap between all adjacent lenses 102 in at least two lenses 102 . Referring to FIG. 4 , FIG. 4 is a schematic cross-sectional structure diagram of the second embodiment of the lens grating provided by the embodiment of the present disclosure. There may be no gaps or gaps between some adjacent lenses 102 in at least two lenses 102 .

In some embodiments, the width of the light shielding portion 103 along the arrangement direction of the lenses 102 may be set to eliminate stray light at the interface of adjacent lenses 102 .

In some embodiments, referring to FIG. 1 , which is a schematic cross-sectional structure diagram of the first embodiment of the lens grating provided by the embodiments of the present disclosure, the light shielding portion 103 may penetrate through the base portion 101 in the thickness direction of the base portion 101 .

In some embodiments, referring to FIG. 5 to FIG. 7 , FIG. 5 is a schematic cross-sectional structure diagram of a third embodiment of a lens grating provided by an embodiment of the present disclosure, and FIG. 6 is a fourth embodiment of the lens grating provided by an embodiment of the present disclosure. 7 is a schematic cross-sectional structure diagram of a fifth embodiment of the lens grating provided by the embodiment of the present disclosure.

In some embodiments, one end of the shading portion 103 may include at least one of the following:

The light shielding portion 103 is close to one end of the at least two lenses 102;

The light shielding portion 103 is away from one end of the at least two lenses 102 .

Referring to FIG. 5 , FIG. 5 is a schematic cross-sectional structure diagram of a third embodiment of the lens grating provided by the embodiments of the present disclosure. Referring to FIG. 6 , FIG. 6 is a schematic cross-sectional structure diagram of a fourth embodiment of a lens grating provided by an embodiment of the present disclosure.

In some embodiments, referring to FIGS. 7 and 8 , FIG. 7 is a schematic cross-sectional structure diagram of a fifth embodiment of a lens grating provided by an embodiment of the present disclosure, and FIG. 8 is a sixth embodiment of a lens grating provided by an embodiment of the present disclosure. A schematic cross-sectional structure diagram of the shading portion 103 , one end of the shading portion 103 close to the at least two lenses 102 may protrude from the surface of the base portion 101 close to the at least two lenses 102 .

In some embodiments, referring to FIGS. 7 and 8 , the projected area of the portion of the light shielding portion 103 protruding from the base portion 101 on the surface of the base portion 101 may be the same as that of the portion of the light shielding portion 103 inside the base portion 101 on the base portion. The projected area on the 101 face is the same.

Referring to FIGS. 9 and 10 , FIG. 9 is a schematic cross-sectional structure diagram of a seventh embodiment of a lens grating provided by an embodiment of the present disclosure, and FIG. 10 is a cross-sectional structure schematic diagram of an eighth embodiment of the lens grating provided by the embodiment of the present disclosure. The projected area of the portion of the portion 103 protruding from the base portion 101 on the surface of the base portion 101 may be larger than the projected area of the portion of the shading portion 103 inside the base portion 101 on the surface of the base portion 101 .

Referring to FIGS. 11 and 12, FIG. 11 is a schematic cross-sectional structure diagram of a ninth embodiment of a lens grating provided by an embodiment of the present disclosure, and FIG. 12 is a cross-sectional structure schematic diagram of a tenth embodiment of the lens grating provided by the embodiment of the present disclosure. The projected area of the portion of the portion 103 protruding from the base portion 101 on the surface of the base portion 101 may be smaller than the projected area of the portion of the shading portion 103 inside the base portion 101 on the surface of the base portion 101 .

In some embodiments, referring to FIG. 13 , FIG. 13 is a schematic cross-sectional structure diagram of an eleventh embodiment of the lens grating provided by the embodiments of the present disclosure. The light shielding portion 103 may be completely placed in the base portion 101 .

In some embodiments, referring to FIG. 14 , FIG. 14 is a schematic cross-sectional structure diagram of the twelfth embodiment of the lens grating provided by the embodiments of the present disclosure. The light shielding portion 103 may be disposed on the surface of the base portion 101 close to the at least two lenses 102 . .

In some embodiments, the light shielding portion 103 includes a light absorbing material or a light reflecting material.

In some embodiments, the materials of each light-shielding portion may be the same or different.

In some embodiments, the light-shielding material of the light-shielding portion protruding from the surface of the substrate and the light-shielding material of the inner portion of the substrate may be the same or different.

Referring to FIG. 15 , FIG. 15 is a schematic structural diagram of an embodiment of a display module provided by an embodiment of the present disclosure. In some embodiments, a display module 200 is also provided, including the above-mentioned lens grating 100 .

Referring to FIG. 16 , FIG. 16 is a schematic structural diagram of an embodiment of a display screen provided by an embodiment of the present disclosure. In some embodiments, a display screen 300 is also provided, including the above-mentioned display module 200 .

Referring to FIG. 17 , FIG. 17 is a schematic structural diagram of an embodiment of a display provided by an embodiment of the present disclosure. In some embodiments, a display 400 is also provided, including the display screen 300 described above.

In conclusion, the lens grating and the display device provided by the embodiments of the present disclosure can effectively reduce or eliminate the stray light generated at the interface of the two lenses by arranging the light shielding portion on the base, thereby effectively improving the image quality projected in this area.

The foregoing description and drawings sufficiently illustrate the embodiments of the present disclosure to enable those skilled in the art to practice them. Other embodiments may include structural, logical, electrical, process, and other changes. The examples are only representative of possible variations. Unless expressly required, individual components and functions are optional and the order of operations may vary. Portions and features of some embodiments may be included in or substituted for those of other embodiments. The scope of the disclosed embodiments includes the full scope of the claims, along with all available equivalents of the claims. When 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, without changing the meaning of the description, a first element could be termed a second element, and similarly, a second element could be termed a first element, so long as all occurrences of "the first element" were consistently renamed and all occurrences of "the first element" were named consistently The "second element" can be renamed consistently. The first element and the second element are both elements, but may not be the same element. Also, the terms used in this application are used to describe the embodiments only and not to limit the claims. As used in the description of the embodiments and the claims, the singular forms "a" (a), "an" (an) and "the" (the) are intended to include the plural forms as well, unless the context clearly dictates otherwise. . Similarly, the term "and/or" as used in this application is meant to include any and all possible combinations of one or more of the associated listings. Additionally, when used in this application, the term "comprise" and its variations "comprises" and/or including and/or the like refer to stated features, integers, steps, operations, elements, and/or The presence of a component does not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components and/or groupings of these. Without further limitation, an element qualified by the phrase "comprising a..." does not preclude the presence of additional identical elements in the process, method, or device that includes the element. Herein, each embodiment may focus on the differences from other embodiments, and the same and similar parts between the various embodiments may refer to each other. For the methods, products, etc. disclosed in the embodiments, if they correspond to the method sections disclosed in the embodiments, reference may be made to the descriptions of the method sections for relevant parts.

Those skilled in the art can realize that the units and algorithm steps of each example described in conjunction with the embodiments disclosed herein can be implemented by electronic hardware, or a combination of computer software and electronic hardware. Whether these functions are performed in hardware or software may depend on the specific application and design constraints of the technical solution. Skilled artisans may use different methods for implementing the described functionality for each particular application, but such implementations should not be considered beyond the scope of the disclosed embodiments. Those skilled in the art can clearly understand that, for the convenience and brevity of the description, for the working process of the above-described systems, devices and units, reference may be made to the corresponding processes in the foregoing method embodiments, which will not be repeated here.

In the embodiments disclosed herein, the disclosed methods and products (including but not limited to apparatuses, devices, etc.) may be implemented in other ways. For example, the apparatus embodiments described above are only illustrative. For example, the division of units may only be a logical function division. In actual implementation, there may be other division methods. For example, multiple units or components may be combined or may be Integration into another system, or some features can be ignored, or not implemented. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be through some interfaces, indirect coupling or communication connection of devices or units, and may be in electrical, mechanical or other forms. Units described as separate components may or may not be physically separated, and components shown as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. This embodiment may be implemented by selecting some or all of the units according to actual needs. In addition, each functional unit in the embodiment of the present disclosure may be integrated into one processing unit, or each unit may exist physically alone, or two or more units may be integrated into one unit.

Claims (19)

1. A lens grating, characterized in that it comprises a base, and at least two lenses arranged on one side of the base; Wherein, a light shielding portion is provided on the base portion corresponding to a boundary region of adjacent lenses among the at least two lenses. 2. The lens grating of claim 1, wherein the at least two lenses comprise at least one of a concave lens and a convex lens. 3. The lens grating of claim 2, wherein the at least two lenses comprise at least one of a cylindrical lens and a spherical lens. 4 . The lens grating according to claim 3 , wherein the at least two lenses comprise cylindrical lenses, and some or all of the cylindrical lenses are distributed in parallel. 5 . 5 . The lens grating according to claim 4 , wherein the length of the light shielding portion along the axial direction of the cylindrical lens is the same as the axial length of the cylindrical lens. 6 . 6 . The lens grating according to claim 3 , wherein the at least two lenses comprise spherical lenses, and some or all of the spherical lenses are arranged in an array. 7 . 7 . The lens grating according to claim 1 , wherein some or all of the adjacent lenses in the at least two lenses have no gaps or have gaps. 8 . 8 . The lens grating according to claim 1 , wherein the width of the light shielding portion along the lens arrangement direction is set to eliminate stray light at the interface of adjacent lenses. 9 . 9 . The lens grating according to claim 1 , wherein the light shielding portion penetrates through the base portion in a thickness direction of the base portion. 10 . 10 . The lens grating according to claim 1 , wherein one end of the light shielding portion in the thickness direction of the base portion penetrates the base portion. 11 . 11. The lens grating according to claim 10, wherein one end of the light shielding portion comprises at least one of the following: the light shielding portion is close to one end of the at least two lenses; The light shielding portion is away from one end of the at least two lenses. 12 . The lens grating according to claim 9 , wherein one end of the light shielding portion close to the at least two lenses protrudes from a surface of the base portion close to the at least two lenses. 13 . 13 . The lens grating according to claim 12 , wherein the projected area of the portion of the light shielding portion protruding from the base portion on the surface of the base portion is the same as the projection area of the light shielding portion on the base portion. 14 . The projected area of the portion within the base on the base surface is the same; or, The projected area of the portion of the light-shielding portion protruding from the base portion on the surface of the base portion is greater than the projected area of the portion of the light-shielding portion inside the base portion on the surface of the base portion; or, The projected area of the portion of the light-shielding portion protruding from the base portion on the surface of the base portion is smaller than the projected area of the portion of the light-shielding portion inside the base portion on the surface of the base portion. 14. The lens grating according to claim 1, wherein the light shielding portion is completely placed in the base portion. 15 . The lens grating according to claim 1 , wherein the light shielding portion is disposed on a surface of the base portion close to the at least two lenses. 16 . 16 . The lens grating according to claim 1 , wherein the light shielding portion comprises a light absorbing material or a light reflecting material. 17 . 17. A display module, comprising the lens grating according to any one of claims 1 to 16. 18. A display screen, comprising the display module as claimed in claim 17. 19. A display comprising the display screen of claim 18.

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