CN212229354U - Lens, grating, display panel and display - Google Patents
Lens, grating, display panel and display Download PDFInfo
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- CN212229354U CN212229354U CN202020883530.6U CN202020883530U CN212229354U CN 212229354 U CN212229354 U CN 212229354U CN 202020883530 U CN202020883530 U CN 202020883530U CN 212229354 U CN212229354 U CN 212229354U
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Abstract
The application relates to the technical field of display, and discloses a lens, which is provided with a non-circular-arc-shaped lens curved surface; wherein the curved surface of the lens forms a curve having a shape determined based on a lens refractive index of the lens on a cross section of the lens. The lens disclosed by the application can flexibly determine the shape of the curved surface of the lens according to the characteristics of the lens in the aspect of display, so that the shape of the curved surface of the lens is not solidified and is single, and the curved surface of the lens has relevance with the characteristics of the lens in the aspect of display, and the improvement of the display effect is facilitated. The application also discloses a grating, a display panel and a display.
Description
Technical Field
The present application relates to the field of display technologies, for example, to a lens, a grating, a display panel, and a display.
Background
Currently, lenses used in the display field generally have a curved lens surface with an arc shape.
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:
the shape of the lens curved surface is solidified and single, which is not beneficial to improving the display effect.
SUMMERY OF THE UTILITY MODEL
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 lens, a grating, a display panel and a display, which are used for solving the technical problems that the shape of a curved surface of the lens is solidified and is single, and the improvement of the display effect is not facilitated.
The lens provided by the embodiment of the disclosure has a non-arc-shaped lens curved surface;
wherein the curved surface of the lens forms a curve having a shape determined based on a lens refractive index of the lens on a cross section of the lens.
In some embodiments, the shape of the curve may be determined based on the variance between the lens index of refraction and the medium index of refraction. Alternatively, the medium refractive index may be a refractive index of a medium located outside the lens.
In some embodiments, the medium refractive index may be the refractive index of the medium between the lens and the pixel for displaying.
In some embodiments, the curve may be hyperbolic, elliptical, or parabolic.
In some embodiments, the curve may be a hyperbola, satisfying the following condition:
wherein, X is the coordinate of the point on the hyperbola on the X axis, Y is the coordinate of the point on the hyperbola on the Y axis, a is the real semi-axis length of the hyperbola, b is the virtual semi-axis length of the hyperbola; a. b is determined by the variance between the refractive index of the lens and the refractive index of the medium.
In some embodiments, a, b may satisfy the following condition:
wherein n islIs the refractive index of the lens, nmIs the refractive index of the medium.
In some embodiments, the curve may be an ellipse, satisfying the following condition:
wherein X is the coordinate of the point on the ellipse on the X axis, Y is the coordinate of the point on the ellipse on the Y axis, a is the major semi-axis length of the ellipse, b is the minor semi-axis length of the ellipse; a. b is determined by the variance between the refractive index of the lens and the refractive index of the medium.
In some embodiments, a, b may satisfy the following condition:
wherein n islIs the refractive index of the lens, nmIs the refractive index of the medium.
In some embodiments, the following conditions may be satisfied: n isl>nm。
In some embodiments, the lens may be a cylindrical lens, or a spherical lens.
The grating provided by the embodiment of the disclosure comprises the lens and a substrate for bearing the lens.
In some embodiments, some or all of the plurality of lenses may be arranged in an array.
In some embodiments, the plurality of lenses and the substrate may be relatively independent structures. Alternatively, the plurality of lenses and the substrate may be integrally molded.
In some embodiments, the substrate may comprise a light transmissive material.
The display panel provided by the embodiment of the disclosure comprises the grating.
In some embodiments, the display panel may further include pixels for displaying.
In some embodiments, the pixel may include a plurality of composite sub-pixels, and each of the plurality of composite sub-pixels may include a plurality of sub-pixels. Optionally, the grating may comprise a plurality of spherical mirrors as lenses, at least one of the plurality of spherical mirrors may cover at least one compound sub-pixel of the same color.
In some embodiments, each of the plurality of spherical mirrors may cover a respective composite sub-pixel of the same color.
In some embodiments, when the curve of the lens curve formed on the cross section of the lens is a hyperbola, the lens curve may be directed toward the pixel. Alternatively, when the curve of the lens curved surface formed on the cross section of the lens is an ellipse, the lens curved surface may face away from the pixel.
In some embodiments, the pixels may be pixels for 3D display.
The display provided by the embodiment of the disclosure comprises the display panel.
The lens, the grating, the display panel and the display provided by the embodiment of the disclosure can realize the following technical effects:
the shape of the curved surface of the lens can be flexibly determined according to the characteristics of the lens in the aspect of display, so that the shape of the curved surface of the lens is not solidified and is single, and the curved surface of the lens has relevance to the characteristics of the lens in the aspect of display, and the improvement of the display effect is facilitated.
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. 1A and 1B are schematic structural diagrams of a lens provided in an embodiment of the present disclosure;
FIG. 2 is a schematic diagram of a principle for determining the curve shape of a lens provided by an embodiment of the present disclosure;
FIG. 3 is another schematic diagram of the determination of the curve shape of a lens provided by the disclosed embodiments;
fig. 4A and 4B are schematic structural diagrams of another lens provided in the embodiment of the present disclosure;
FIG. 5 is a schematic diagram of a structure of a grating provided by an embodiment of the present disclosure;
fig. 6A and 6B are schematic structural diagrams of another grating provided in the embodiment of the present disclosure, respectively;
fig. 7 is a schematic structural diagram of a substrate provided by an embodiment of the present disclosure;
fig. 8 is a schematic structural diagram of a display panel provided in an embodiment of the present disclosure;
fig. 9 is another schematic structural diagram of a display panel provided in an embodiment of the present disclosure;
fig. 10A is a schematic structural diagram of a pixel provided in an embodiment of the present disclosure;
fig. 10B and fig. 10C are schematic diagrams illustrating a coverage relationship between a spherical mirror and a composite sub-pixel according to an embodiment of the disclosure;
FIG. 11 is a schematic diagram of another overlay relationship between a spherical mirror and a composite sub-pixel provided by an embodiment of the present disclosure;
fig. 12A and 12B are schematic diagrams illustrating an orientation relationship between a lens curved surface and a pixel according to an embodiment of the disclosure;
fig. 13 is a schematic structural diagram of a display provided in an embodiment of the present disclosure.
Reference numerals:
100: a lens; 101: a cylindrical lens; 102: a spherical mirror; 1021: a spherical mirror; 1022: a spherical mirror; 1023: a spherical mirror; 110: a lens curved surface; 120: a lens bottom surface; 130: a curve; 1301: a curve; 13011: a curve; 1302: a curve; 13021: a curve; 1303: a curve; 13031: a curve; 1304: a curve; 1305: a curve; 1306: a curve; 1307: a curve; 200: a medium; 300: a pixel; 310: a composite sub-pixel; 311: a sub-pixel; 320: a composite sub-pixel; 321: a sub-pixel; 330: a composite sub-pixel; 331: a sub-pixel; 500: a grating; 510: a substrate; 600: a light-transmitting material; 700: a display panel; 800: a display; a: projecting the line; b: projecting the line; c: projecting the line; d: an axis; e: projecting the line; f: projecting the line; l: an included angle; m: an included angle; n: an included angle; r: the center of a circle; x: an area; y: an area; z: and (4) a region.
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. 1A, 1B, an embodiment of the present disclosure provides a lens 100.
In some embodiments, as shown in fig. 1A, the lens 100 has a lens curve 110 that is non-circular; wherein the curved lens surface 110 forms a curve 130 having a shape determined based on the lens refractive index of the lens 100 on an a-a cross section of the lens 100 in an a-a direction directed into the paper.
In some embodiments, lens 100 also includes a lens bottom surface 120. Optionally, the lens bottom surface 120 is joined with the lens curved surface 110 to form the solid body of the lens 100.
In some embodiments, when manufacturing the lens 100 having the lens curved surface 110 with the non-circular arc shape, the lens refractive index of the lens 100 to be manufactured may be obtained; the shape of the curve 130 formed by the lens curve 110 on the cross section of the lens 100 is determined based on the lens refractive index.
In some embodiments, as shown in fig. 1B, the curve 130, the shape of which is determined based on the lens refractive index of the lens 100, may be all of the curves 130 formed by the lens curved surface 110 on the cross-section of the lens 100. Alternatively, the curve 130, the shape of which is determined based on the lens refractive index of the lens 100, may be a part of the curve 130 formed by the lens curved surface 110 on the cross section of the lens 100, such as: including a curve 130 in at least one of the areas X, Y, Z, indicated by dashed lines. In this way, the length, position, and the like of the curve 130 shaped based on the lens refractive index of the lens 100 can be flexibly set.
In some embodiments, the shape of the curve 130 formed by the lens curved surface 110 on the cross section of the lens 100 may be determined according to practical situations such as process requirements, and the length, the position, etc. of the curve 130 whose shape is determined based on the lens refractive index of the lens 100, as long as the shape of the lens curved surface 110 can be flexibly determined according to the characteristics of the lens 100 in terms of display so as to facilitate the improvement of the display effect.
In some embodiments, the shape of the curve 130 may be determined based on the variance between the lens index of refraction and the medium index of refraction. As shown in fig. 2, the medium refractive index may be a refractive index of a medium 200 located outside the lens 100.
In some embodiments, as shown in fig. 2, the medium 200 may be located below the lens 100. Alternatively, the medium 200 may be located at other positions such as above, lateral, and the like of the lens 100.
In some embodiments, there may be more than two medium refractive indices outside of the lens 100, which may occur because there are more than two media 200 with different medium refractive indices outside of the lens 100, or because different portions of the same medium 200 outside of the lens 100 have more than two medium refractive indices. In this case, one of the medium refractive indices may be selected to determine the shape of the curve 130 formed by the lens curve 110 over the cross-section of the lens 100. Alternatively, an average value of some or all of the refractive indexes of all the media may be obtained, and the average value may be used to determine the shape of the curve 130 formed by the lens curved surface 110 on the cross section of the lens 100.
In some embodiments, the refractive index of the medium outside the lens 100 may be selected or determined according to practical situations such as process requirements, and the shape of the curve 130 formed by the lens curved surface 110 on the cross section of the lens 100 is determined according to the refractive index of the medium, as long as the shape of the lens curved surface 110 can be flexibly determined according to the characteristics of the lens 100 in terms of display so as to facilitate improvement of the display effect.
Referring to fig. 3, in some embodiments, the medium refractive index may be the refractive index of the medium 200 between the lens 100 and the pixel 300 for display.
In some embodiments, there may be more than two medium refractive indices between the lens 100 and the pixel 300, which may occur because there are more than two media 200 with different medium refractive indices between the lens 100 and the pixel 300, or because different portions of the same medium 200 between the lens 100 and the pixel 300 have more than two medium refractive indices. In this case, one of the medium refractive indices may be selected to determine the shape of the curve 130 formed by the lens curve 110 over the cross-section of the lens 100. Alternatively, an average value of some or all of the refractive indexes of all the media may be obtained, and the average value may be used to determine the shape of the curve 130 formed by the lens curved surface 110 on the cross section of the lens 100.
In some embodiments, the refractive index of the medium between the lens 100 and the pixel 300 may be selected or determined according to practical situations such as process requirements, and the shape of the curve 130 formed by the lens curved surface 110 on the cross section of the lens 100 is determined according to the refractive index of the medium, as long as the shape of the lens curved surface 110 can be flexibly determined according to the characteristics of the lens 100 in terms of display so as to facilitate improvement of the display effect.
In some embodiments, the curve 130 may be hyperbolic, elliptical, or parabolic. Alternatively, the shape of the curve 130 may be determined according to practical situations such as process requirements, for example: a hyperbola, an ellipse, a parabola, etc., as long as the shape of the curved lens surface 110 can be flexibly determined according to the characteristics of the lens 100 in terms of display so as to facilitate the improvement of the display effect.
In some embodiments, the curve 130 may be a hyperbola that satisfies the following condition:
wherein, X is the coordinate of the point on the hyperbola on the X axis, Y is the coordinate of the point on the hyperbola on the Y axis, a is the real semi-axis length of the hyperbola, b is the virtual semi-axis length of the hyperbola; a. b is determined by the variance between the refractive index of the lens and the refractive index of the medium.
In some embodiments, the condition that the curve 130 is a hyperbolic curve may be set according to practical situations such as process requirements, and the condition may be different from the above formula as long as the hyperbolic shape of the curve 130 on the curved lens surface 110 can be flexibly determined according to the characteristics of the lens 100 in terms of display so as to facilitate improvement of the display effect.
In some embodiments, a, b may satisfy the following condition:
wherein n islIs the refractive index of the lens, nmIs the refractive index of the medium.
In some embodiments, the conditions satisfied by a and b may be set according to practical situations such as process requirements, and the conditions may be different from the above formula as long as the hyperbolic shape of the curve 130 on the curved lens surface 110 can be flexibly determined according to the characteristics of the lens 100 in terms of display so as to facilitate improvement of the display effect.
In some embodiments, the curve 130 may be an ellipse, satisfying the following condition:
wherein X is the coordinate of the point on the ellipse on the X axis, Y is the coordinate of the point on the ellipse on the Y axis, a is the major semi-axis length of the ellipse, b is the minor semi-axis length of the ellipse; a. b is determined by the variance between the refractive index of the lens and the refractive index of the medium.
In some embodiments, the condition that the curve 130 is elliptical may be set according to practical situations such as process requirements, and the condition may be different from the above formula as long as the elliptical shape of the curve 130 on the curved lens surface 110 can be flexibly determined according to the characteristics of the lens 100 in terms of display so as to facilitate the improvement of the display effect.
In some embodiments, a, b may satisfy the following condition:
wherein n islIs the refractive index of the lens, nmIs the refractive index of the medium.
In some embodiments, the conditions satisfied by a and b may be set according to practical situations such as process requirements, and the conditions may be different from the above formula as long as the elliptical shape of the curve 130 on the curved lens surface 110 can be flexibly determined according to the characteristics of the lens 100 in terms of display so as to facilitate the improvement of the display effect.
In some embodiments, the following conditions may be satisfied: n isl>nm。
Referring to fig. 4A, 4B, in some embodiments, the lens 100 may be a cylindrical lens 101, or a spherical lens 102.
In some embodiments, as shown in fig. 4A, when the lens 100 is a cylindrical lens 101, the lens curved surface 110 may form different curves 1301, 1302, 1303 with different directivities on different cross sections of the cylindrical lens 101, and the longitudinal projection lines of the different curves on the lens bottom surface 120 may form the same or different angles with the axis D of the cylindrical lens 101.
In some embodiments, the lens curve 110 may form a curve 1301 in the cross-section of the lens 100. In conjunction with the above-described related description, the curve 1301 has a shape determined based on the lens refractive index of the lenticular lens 101. Alternatively, the angle L formed between the longitudinal projection line a of the curve 1301 falling on the bottom surface 120 of the lens and the axis D of the cylindrical lens 101 may be a right angle. Alternatively, some or all of the other curves (e.g., curve 13011) on the lens curved surface 110 that are parallel to the curve 1301 may have the same shape as the curve 1301.
In some embodiments, the lens curve 110 may form a curve 1302 in a cross-section of the lens 100. In conjunction with the above-described related description, the curve 1302 has a shape determined based on the lens refractive index of the lenticular lens 101. Alternatively, the angle M formed between the longitudinal projection line B of the curve 1302 falling on the bottom surface 120 of the lens and the axis D of the cylindrical lens 101 may be an obtuse angle. Alternatively, some or all of the other curves on the lens curved surface 110 that are parallel to the curve 1302 (e.g., the curve 13021) may have the same shape as the curve 1302.
In some embodiments, the lens curve 110 may form a curve 1303 across the cross-section of the lens 100. In conjunction with the above-described related description, the curve 1303 has a shape determined based on the lens refractive index of the lenticular lens 101. Alternatively, the angle N formed between the longitudinal projection line C of the curve 1303 falling on the lens bottom surface 120 and the axis D of the cylindrical lens 101 may be an acute angle. Alternatively, some or all of the other curves on the lens curved surface 110 that are parallel to the curve 1303 (e.g., the curve 13031) may have the same shape as the curve 1303.
In some embodiments, as shown in fig. 4B, when the lens 100 is a spherical mirror 102, the lens curved surface 110 may form different curves 1304, 1305 on different cross-sections of the spherical mirror 102 (not shown in fig. 4B to avoid cluttering the drawing, the cross-section in fig. 4B being represented in a similar manner as in fig. 4A), and these different curves may or may not pass through the center R of the lens bottom surface 120 of the spherical mirror 102 along a longitudinal projection line falling on the lens bottom surface 120.
In some embodiments, the lens curve 110 may form a curve 1304 in a cross-section of the spherical mirror 102. In conjunction with the above-described related description, the curve 1304 has a shape determined based on the lens refractive index of the spherical mirror 102. Alternatively, the longitudinal projection line E of the curve 1304 falling on the lens bottom surface 120 does not pass through the center R of the lens bottom surface 120 of the spherical mirror 102. Alternatively, some or all of the other curves on the lens curved surface 110 that are parallel to the curve 1304 (not shown in fig. 4B to avoid confusion of the drawing, and the other curves in fig. 4B that are parallel to the curve 1304 are represented in a similar manner as in fig. 4A) may have the same shape as the curve 1304.
In some embodiments, the lens curve 110 may form a curve 1305 in the cross-section of the spherical mirror 102. In conjunction with the above-described related description, the curve 1305 has a shape determined based on the lens refractive index of the spherical mirror 102. Optionally, the longitudinal projection line F of the curve 1305 falling on the lens bottom surface 120 passes through the center R of the lens bottom surface 120 of the spherical mirror 102. Alternatively, part or all of the other curves on the lens curved surface 110 that are parallel to the curve 1305 (which are not shown in fig. 4B in order to avoid confusion of the drawing contents, and which are represented in a manner similar to that in fig. 4A in fig. 4B in the other curves parallel to the curve 1305) may have the same shape as the curve 1305.
Referring to fig. 5, an embodiment of the present disclosure provides a grating 500, including the lens 100 described above, and further including a substrate 510 for carrying the lens 100.
In some embodiments, in manufacturing the grating 500, a plurality of lenses 100 may be disposed on the substrate 510 for carrying the lenses 100.
Referring to fig. 6A and 6B, in some embodiments, some or all of the plurality of lenses 100 may be arranged in an array.
In some embodiments, as shown in fig. 6A, when the lens 100 is a lenticular lens 101, all of the lenticular lenses 101 may be arranged in an array, for example: are arranged in parallel. Alternatively, the portions of the plurality of lenticular lenses 101 may be arranged in an array, for example: are arranged in parallel. Alternatively, any two of the cylindrical lenses 101 may be arranged in an array, such as a vertical arrangement. Alternatively, any two of the cylindrical lenses 101 may be in contact with each other, or a space may exist between them.
In some embodiments, as shown in fig. 6B, when the lens 100 is a spherical mirror 102, all of the plurality of spherical mirrors 102 may be arranged in an array, for example: and (4) arranging in rows and columns. Alternatively, portions of the plurality of spherical mirrors 102 may be arranged in an array, such as: and (4) arranging in rows and columns. Alternatively, some or all of the plurality of spherical mirrors 102 may be arranged in other array shapes, such as: circular, oval, triangular and other array arrangement modes. Alternatively, any two spherical mirrors 102 may be in contact, or there may be a gap.
In some embodiments, as shown in fig. 6B, the area enclosed by the plurality of spherical mirrors 102 may not be covered by the spherical mirrors 102. Optionally, a light shielding structure may be provided in the area to cover the area, for example: a light shielding structure comprising at least one of a light reflecting material, a light absorbing material is provided in the area to cover the area in whole or in part. Optionally, at least one of the plurality of spherical mirrors 102 surrounding the area may cover the area, for example: at least one of the plurality of spherical mirrors 102 surrounding the area covers the area in whole or in part.
In some embodiments, one of the plurality of spherical mirrors 102 surrounding the area may be provided with an extension which may extend towards the area to partially or fully cover the area; optionally, at least two spherical mirrors 102 of the plurality of spherical mirrors 102 surrounding the area may be respectively provided with an extension portion, and the extension portion of each spherical mirror 102 of the at least two spherical mirrors 102 may extend toward the area to partially cover the area, so that the extension portions of the at least two spherical mirrors 102 may partially or completely cover the area.
In some embodiments, the array arrangement of the plurality of lenses 100 may be set according to practical situations such as process requirements.
In some embodiments, the plurality of lenses 100 and the substrate 510 may be relatively independent structures, such as: a plurality of lenses 100 as independent structures may be provided to the substrate 510. Alternatively, the plurality of lenses 100 and the substrate 510 may be integrally molded, for example: a plurality of lenses 100 may be formed on the substrate 510, and the plurality of lenses 100 may be integrally molded with the substrate 510. Alternatively, the plurality of lenses 100 may be formed on the substrate 510 by stamping (e.g., nano-stamping) or the like, such that the plurality of lenses 100 are integrally molded with the substrate 510.
Referring to fig. 7, in some embodiments, the substrate 510 may include a light-transmissive material 600, such that the substrate 510 may transmit light.
Referring to fig. 8, the present disclosure provides a display panel 700 including the grating 500 described above.
Referring to fig. 9, in some embodiments, the display panel 700 may further include pixels 300 for displaying.
In some embodiments, as shown in fig. 9, the display panel 700 includes a plurality of pixels 300. Optionally, the plurality of pixels 300 may be disposed on the light incident surface of the grating 500.
In some embodiments, the pixel may include a plurality of composite sub-pixels, and each of the plurality of composite sub-pixels may include a plurality of sub-pixels.
In some embodiments, as shown in fig. 10A, pixel 300 may include multiple composite subpixels 310, 320, 330, etc. Optionally, composite subpixel 310 may include a plurality of subpixels 311, composite subpixel 320 may include a plurality of subpixels 321, and composite subpixel 330 may include a plurality of subpixels 331.
In some embodiments, the plurality of pixels 300 may be arranged in an array. Alternatively, the plurality of composite sub-pixels 310, 320, 330 may be arranged in an array. Alternatively, the plurality of sub-pixels 311, 321, and 331 may be arranged in an array.
In some embodiments, an array arrangement of at least one of the pixels, the composite sub-pixels, and the sub-pixels may be considered according to practical situations such as process requirements, for example: and the determinant, the triangle, the circle and other array arrangement modes.
Referring to fig. 10B, 10C, in some embodiments, the grating 500 may include a plurality of spherical mirrors 102 as the lens 100, and at least one spherical mirror 102 of the plurality of spherical mirrors 102 may cover at least one same-color composite sub-pixel.
In some embodiments, at least one spherical mirror 102 of the plurality of spherical mirrors 102 may cover more than one same-color composite sub-pixel, for example: two, three or more same-color composite sub-pixels. Alternatively, as shown in fig. 10B, one spherical mirror 102 may cover three same-colored composite subpixels 310, 320, 330. Alternatively, as shown in fig. 10C, one spherical mirror 102 may cover two composite sub-pixels 310, 320 of the same color.
Referring to fig. 11, in some embodiments, each of the plurality of spherical mirrors 1021, 1022, 1023 can cover a composite sub-pixel of the same color. Optionally, a spherical mirror 1021 may cover the composite subpixel 310, and the composite subpixel 310 may include a plurality of subpixels 311 of the same color. Optionally, the spherical mirror 1022 may cover the composite sub-pixel 320, and the composite sub-pixel 320 may include a plurality of sub-pixels 321 of the same color. Optionally, the spherical mirror 1023 may cover the composite sub-pixel 330, and the composite sub-pixel 330 may include a plurality of sub-pixels 331 of the same color.
In some embodiments, as shown in fig. 11, the area enclosed by the three spherical mirrors 1021, 1022, 1023 (shown as diagonal areas) may not be covered by the spherical mirrors 1021, 1022, 1023. Optionally, a light shielding structure may be provided in the area to cover the area, for example: a light shielding structure comprising at least one of a light reflecting material, a light absorbing material is provided in the area to cover the area in whole or in part. Optionally, at least one of the three spherical mirrors 1021, 1022, 1023 surrounding the area may cover the area in whole or in part, for example: at least one of the three spherical mirrors 1021, 1022, 1023 surrounding the area covers the area in whole or in part.
In some embodiments, one of the three spherical mirrors 1021, 1022, 1023 surrounding the area may be provided with an extension which may extend towards the area to partially or fully cover the area, for example: the spherical mirror 1021 may be provided with an extension that may extend towards the area to partially or fully cover the area; optionally, at least two spherical mirrors of the plurality of spherical mirrors surrounding the area may be respectively provided with an extension portion, and the extension portion of each spherical mirror of the at least two spherical mirrors may extend toward the area to partially cover the area, so that the extension portions of the at least two spherical mirrors may partially or completely cover the area, for example: the spherical mirrors 1021, 1022, 1023 may each be provided with an extension, and the extension of each of the spherical mirrors 1021, 1022, 1023 may extend towards the area to partially cover the area, such that the extensions of the spherical mirrors 1021, 1022, 1023 may partially or fully cover the area.
In some embodiments, all or part of one composite sub-pixel may be covered by the same spherical mirror 102. Alternatively, the number of composite sub-pixels covered by the spherical mirror 102 may be considered according to practical circumstances such as process requirements. Alternatively, the composite sub-pixels covered by the same spherical mirror 102 may be of the same color or different colors, for example: one composite sub-pixel covered by the same spherical mirror 102 comprises sub-pixels with the same color or different colors; or may be a part or all of different colors in more than two composite sub-pixels covered by the same spherical mirror 102.
Referring to fig. 12A, in some embodiments, when a curve 1306 formed by the lens curved surface 110 (not shown in the figures, and referring to fig. 1A, 2 to 4B) on a cross section of the lens 100 is a hyperbola, the lens curved surface 110 may face the pixel 300. Referring to fig. 12B, in some embodiments, when the curve 1307 formed by the lens curve 110 (not shown in the figures, and referring to fig. 1A, 2 to 4B) on the cross section of the lens 100 is an ellipse, the lens curve 110 may face away from the pixel 300. Alternatively, the orientation relationship between the lens curved surface 110 and the pixel 300 may be considered according to practical situations such as process requirements.
In some embodiments, the pixel 300 may be a pixel for 3D display. Optionally, the pixel 300 may be configured according to practical situations such as process requirements, so that the pixel 300 can provide support in display, for example: support is provided for 2D display, 3D display, and the like.
In some embodiments, the display panel 700 may implement 2D or 3D display. Alternatively, all or a part of the area of the display panel 700 may implement 2D or 3D display, for example: the entire area of the display panel 700 may implement 2D or 3D display; or, a partial region of the display panel 700 may implement 2D or 3D display.
Referring to fig. 13, an embodiment of the present disclosure provides a display 800 including the display panel 700 described above.
In some embodiments, the display 800 may also include other components for supporting the normal operation of the display 800, such as: at least one of a communication interface, a frame, a control circuit, and the like.
In some embodiments, whether the lens 100 comprises a cylindrical mirror 101, a spherical mirror 102, or has other shapes, at least one curve of the surface of the lens 100 may be macroscopically circular or non-circular, such as: elliptical, hyperbolic, parabolic, etc. Alternatively, at least one curve of the surface of the lens 100 may microscopically have a non-circular shape such as a polygon. Alternatively, the shape of the lens 100 may be determined according to practical situations such as process requirements, for example: the shape of the surface of the lens 100.
The lens, the grating, the display panel and the display provided by the embodiment of the disclosure can flexibly determine the shape of the lens curved surface according to the characteristics of the lens in the aspect of display, so that the shape of the lens curved surface is no longer solidified and is single, and the lens and the characteristics of the lens in the aspect of display have relevance, thereby being beneficial to improving the display effect.
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.
Claims (21)
1. A lens having a lens curved surface which is not circular arc-shaped;
wherein a curve formed by the lens curved surface on a cross section of the lens has a shape determined based on a lens refractive index of the lens.
2. The lens of claim 1, wherein the shape of the curve is determined based on a variance between the lens index of refraction and the medium index of refraction;
wherein the medium refractive index is a refractive index of a medium located outside the lens.
3. The lens of claim 2, wherein the medium refractive index is a refractive index of a medium between the lens and a pixel for displaying.
4. The lens of any of claims 1 to 3, wherein the curve is hyperbolic, elliptical or parabolic.
5. The lens of claim 4, wherein the curve is hyperbolic satisfying the following condition:
wherein X is the coordinate of the point on the hyperbola on the X axis, Y is the coordinate of the point on the hyperbola on the Y axis, a is the real semi-axis length of the hyperbola, b is the virtual semi-axis length of the hyperbola; a. b is determined by the variance between the refractive index of the lens and the refractive index of the medium.
6. The lens of claim 5, wherein a and b satisfy the following condition:
wherein, said nlIs the refractive index of the lens, nmIs the refractive index of the medium.
7. The lens of claim 4, wherein the curve is an ellipse satisfying the following condition:
wherein X is the coordinate of a point on the ellipse on the X axis, Y is the coordinate of a point on the ellipse on the Y axis, a is the major semi-axis length of the ellipse, and b is the minor semi-axis length of the ellipse; a. b is determined by the variance between the refractive index of the lens and the refractive index of the medium.
8. The lens of claim 7, wherein a and b satisfy the following condition:
wherein, said nlIs the refractive index of the lens, nmIs the refractive index of the medium.
9. Lens according to claim 6 or 8, characterized in that n isl>nm。
10. The lens of claim 1, wherein the lens is a cylindrical lens, or a spherical lens.
11. A grating comprising a plurality of lenses according to any of claims 1 to 10, and a substrate carrying the lenses.
12. The grating of claim 11, wherein some or all of the plurality of lenses are arranged in an array.
13. Grating according to claim 11 or 12,
the lenses and the substrate are relatively independent structures; or
The plurality of lenses are integrally molded with the substrate.
14. The grating of claim 11, wherein the substrate comprises a light transmissive material.
15. A display panel comprising a grating according to any one of claims 11 to 14.
16. The display panel according to claim 15, further comprising a pixel for performing display.
17. The display panel according to claim 16,
the pixel comprises a plurality of composite sub-pixels, each of the plurality of composite sub-pixels comprising a plurality of sub-pixels;
the grating comprises a plurality of spherical mirrors serving as lenses, and at least one spherical mirror in the plurality of spherical mirrors covers at least one compound sub-pixel with the same color.
18. The display panel of claim 17 wherein each of the plurality of spherical mirrors covers a composite sub-pixel of the same color.
19. The display panel according to claim 16,
when a curve formed by the lens curved surface on the cross section of the lens is a hyperbola, the lens curved surface faces the pixel; or
When the curve formed by the lens curved surface on the cross section of the lens is an ellipse, the lens curved surface faces away from the pixel.
20. The display panel according to any one of claims 16 to 19, wherein the pixel is a pixel for 3D display.
21. A display comprising a display panel according to any one of claims 15 to 20.
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| WO2021233071A1 (en) * | 2020-05-22 | 2021-11-25 | 北京芯海视界三维科技有限公司 | Lens, grating, display panel, and display |
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| WO2021233071A1 (en) * | 2020-05-22 | 2021-11-25 | 北京芯海视界三维科技有限公司 | Lens, grating, display panel, and display |
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