CN112289183A

CN112289183A - Polaroid and display panel

Info

Publication number: CN112289183A
Application number: CN202011152842.0A
Authority: CN
Inventors: 张杨
Original assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd
Current assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd
Priority date: 2020-10-26
Filing date: 2020-10-26
Publication date: 2021-01-29
Anticipated expiration: 2040-10-26
Also published as: CN112289183B

Abstract

The invention provides a polaroid and a display panel, wherein the polaroid is provided with an opening corresponding to a hole digging position of the display panel, the opening comprises a main opening and a secondary opening, the secondary opening is arranged around the main opening, and the secondary opening is arranged between the main opening and a display area of the display panel. According to the invention, the structure that the two openings are connected is arranged on the polaroid, and the secondary opening is arranged in the stress direction of the main opening, so that the risk of cracks generated in the opening of the polaroid in the process of laminating the glass cover plate is reduced, and the yield of products is improved.

Description

Polaroid and display panel

Technical Field

The invention relates to the field of display, in particular to a polarizer and a display panel.

Background

In the current communication industry, the market demands of products such as mobile phones, televisions, flat panels, notebooks, digital cameras and the like are increasingly large, various display devices are also developing in a forward bendable manner, a 3D (three-dimensional) laminating process is inevitably needed to be used in the flexible full-screen manufacturing process, and meanwhile, in order to enlarge the screen occupation ratio, a camera under a screen is generally adopted, and a hole digging mode of a polaroid is adopted. However, when the polarizer is attached, the holes in the polarizer are easily stressed in all directions, and the stress concentration phenomenon occurs, so that the holes in the polarizer are easily shrunk or cracked, and the production yield of products is low.

Therefore, the conventional display panel is likely to have cracks due to the polarizer opening, thereby causing poor display of the display panel.

Disclosure of Invention

The embodiment of the invention provides a polarizer and a display panel, which are used for relieving the problem of poor display of the display panel caused by cracks generated in an opening of the polarizer.

In order to solve the above problems, the technical scheme provided by the invention is as follows:

the invention provides a polaroid, which is applied to a display panel with holes dug in a screen, wherein the polaroid is provided with holes in a contraposition mode at the holes dug in the display panel, the holes comprise a main hole and an auxiliary hole, the auxiliary hole is arranged around the main hole, and the auxiliary hole is arranged between the main hole and a display area of the display panel.

In some embodiments, the shape of the primary opening is circular or polygonal.

In some embodiments, the secondary apertures form a ring-like structure around the primary aperture.

In some embodiments, the secondary apertures comprise at least two strip-shaped apertures having an edge shape matching an edge shape of the primary apertures.

In some embodiments, the secondary apertures include a first bar-shaped aperture and a second bar-shaped aperture, and a center of the first bar-shaped aperture and a center of the second bar-shaped aperture are located on a central vertical line of the main aperture.

In some embodiments, the secondary opening hole further includes a third strip-shaped hole and a fourth strip-shaped hole, a center of the third strip-shaped hole and a center of the fourth strip-shaped hole are located on a central horizontal line of the main opening hole, and the first strip-shaped hole, the second strip-shaped hole, the third strip-shaped hole and the fourth strip-shaped hole together form a first annular structure.

In some embodiments, the secondary apertures further comprise a second annular structure comprising fifth, sixth, seventh and eighth bar apertures.

In some embodiments, the centers of the fifth strip-shaped hole and the sixth strip-shaped hole are located on a central vertical line of the main aperture, and the centers of the seventh strip-shaped hole and the eighth strip-shaped hole are located on a central horizontal line of the main aperture.

In some embodiments, the fifth strip-shaped hole, the sixth strip-shaped hole, the seventh strip-shaped hole, and the eighth strip-shaped hole are disposed in a staggered manner with respect to the first strip-shaped hole, the second strip-shaped hole, the third strip-shaped hole, and the fourth strip-shaped hole.

The invention also provides a display panel which comprises the polaroid, wherein the polaroid is provided with an opening, the display panel is provided with a hole digging area, the opening and the hole digging area are arranged in an alignment mode, and the cross sectional area of the hole digging area is larger than that of the opening.

Drawings

The technical solution and other advantages of the present invention will become apparent from the following detailed description of specific embodiments of the present invention, which is to be read in connection with the accompanying drawings.

Fig. 1 is a schematic plan view of a polarizer in the prior art.

Fig. 2 is a schematic plan view of a polarizer and a display panel according to an embodiment of the present invention.

Fig. 3 is a first plane view of an opening according to an embodiment of the present invention.

Fig. 4 is a second plane view of an opening provided in an embodiment of the present invention.

Fig. 5 is a third schematic plane view of an opening according to an embodiment of the invention.

Fig. 6 is a fourth plane view of an opening according to an embodiment of the present invention.

Fig. 7 is a schematic cross-sectional view of a hole digging area of a display panel according to an embodiment of the invention.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described implementation

But is only a few embodiments of the invention and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the panels or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The following disclosure provides many different embodiments or examples for implementing different features of the invention. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or uses of other materials.

Fig. 1 shows a polarizer 100 in the prior art, wherein the polarizer 100 is provided with an opening 200, the opening 200 is generally circular, however, the stress concentration directions of the opening 200 are the central perpendicular direction and the central horizontal direction of the opening, when the polarizer 100 is attached to a display panel, the opening 200 is prone to crack in the vertical direction and the horizontal direction, and it is found through research that the generation of the opening crack is related to the direction of the stress, but the generation of the stress is related to the shape of the opening 200, and therefore, there is a need for improvement in the design of the opening of the polarizer in the prior art.

As shown in fig. 2, the present invention provides a polarizer, which can effectively alleviate the problem that the yield of the display panel is affected by the cracks generated in the openings of the polarizer in the prior art. As shown in fig. 3, the present invention provides a polarizer 100 applied to a display panel 400 with a hole dug in a panel, wherein the polarizer is provided with an opening 200 aligned with a hole 300 dug in the display panel, the opening includes a main opening 210 and a secondary opening 220, the secondary opening 220 is disposed between the main opening 210 and a display area of the display panel, and the secondary opening 220 is disposed around the main opening 210.

In some embodiments, the shape of the primary aperture 210 is circular or polygonal.

In some embodiments, the secondary apertures 220 form a ring-shaped structure around the primary aperture 210.

In some embodiments, the secondary apertures 220 include at least two strip-shaped apertures having edges that match the edges of the primary apertures.

In some embodiments, the bar apertures include a first bar aperture and a second bar aperture, and the first bar aperture and the second bar aperture are symmetrically distributed about a horizontal line passing through a center of the main aperture.

In some embodiments, the bar holes include a first bar hole, a second bar hole, and a third bar hole, and the first bar hole, the second bar hole, and the third bar hole are symmetrically distributed about a center of the main aperture.

Fig. 3 is an enlarged schematic view of the polarizer opening 200, in some embodiments, the main opening 210 is circular, and the length of the radius of the main opening 210 is measured and substituted into the stress concentration coefficient of the circular hole edge to obtain the vertical direction and the horizontal direction of the stress concentration direction passing through the center of the circle. Therefore, the secondary opening hole 220 is disposed in the vertical direction and the horizontal direction passing through the center of the circle, the bar holes include a first bar hole 221, a second bar hole 222, a third bar hole 223, and a fourth bar hole 224, the first bar hole 221 center and the second bar hole 222 center are disposed on the vertical center line, and the third bar hole 223 center and the fourth bar hole 224 center are disposed on the horizontal center line.

As shown in fig. 4, in some embodiments, the main opening 210 is an ellipse, the short axis and the long axis of the main opening 210 are measured, a first ratio of the short axis and the long axis of the main opening 210 is calculated, a stress concentration coefficient of an edge of the ellipse is substituted, a stress concentration range is obtained by measurement, the bar-shaped hole 220 is disposed in the stress concentration range, the bar-shaped hole 220 includes a first bar-shaped hole 221 and a second bar-shaped hole 222, and a center of the first bar-shaped hole 221 and a center of the second bar-shaped hole 222 are disposed on a vertical line of a center of the main opening 210.

As shown in fig. 5, in some embodiments, the main opening 210 is square, and the side length of the main opening 210 is measured and substituted into the stress concentration coefficient of the edge of the square to obtain the direction of the stress concentration in the angular bisector direction of the vertical direction and the horizontal included angle of the over center. Therefore, the strip holes include a first strip hole 221, a second strip hole 222, a third strip hole 223 and a fourth strip hole 224, edge shapes of the first strip hole 221, the second strip hole 222, the third strip hole 223 and the fourth strip hole 224 are matched with edge shapes of the square opening, centers of the first strip hole 221 and the second strip hole 222 are arranged on the vertical center line, and centers of the third strip hole 223 and the fourth strip hole 224 are arranged on the horizontal center line.

In some embodiments, the diameter of the secondary aperture 220 is between 100 microns and 250 microns, the length from the inner edge of the stripe aperture to the outer edge of the primary aperture 210 is between 10 microns and 20 microns, and the length from the outer edge of the secondary aperture 220 to the upper frame of the polarizer 100 is between 200 microns and 500 microns.

In some embodiments, the number of the openings 200 is one or two, and the two openings are symmetrically arranged about a perpendicular to the center of the polarizer.

In some embodiments, the number of the openings 200 is three, the three openings are disposed on the upper frame of the display panel corresponding to the hole digging area of the display panel, and the three openings are disposed at equal intervals.

As shown in fig. 6, the present invention provides a polarizer applied to a display panel with holes cut in a panel, where the polarizer has holes aligned at the holes cut in the display panel, where the holes include a main hole 210 and a secondary hole, the secondary hole is disposed between the main hole 210 and a display area of the display panel, the secondary hole includes a first secondary hole 220 and a second secondary hole 230, the first secondary hole 210 is disposed around the main hole 200, and the second secondary hole 120 is disposed around the first secondary hole 210.

In some embodiments, the first secondary apertures 220 form a ring-shaped structure around the primary apertures 210.

In some embodiments, the second secondary opening 230 forms a ring-shaped structure around the first secondary opening 220.

In some embodiments, the first secondary apertures 220 comprise at least two strip-shaped apertures having edges matching the edges of the primary apertures.

In some embodiments, the bar holes include a first bar hole 221 and a second bar hole 222, and the first bar hole 221 and the second bar hole 222 are symmetrically distributed about a horizontal line passing through the center of the main aperture 210.

In some embodiments, the bar holes 220 include a first bar hole 221, a second bar hole 222, a third bar hole 223 and a fourth bar hole 224, the center of the first bar hole 221 and the center of the second bar hole 222 are located on a central vertical line of the main opening 210, and the center of the third bar hole 223 and the center of the fourth bar hole 224 are located on a central horizontal line of the main opening 210.

In some embodiments, the second sub-aperture 230 includes at least two bar holes, the edges of the bar holes match with the edges of the first sub-aperture 220, the bar holes include a fifth bar hole 231 and a sixth bar hole 232, and the centers of the fifth bar hole 231 and the sixth bar hole 232 are located on the central vertical line of the main aperture 210.

In some embodiments, the bar holes 230 include a fifth bar hole 231, a sixth bar hole 232, a seventh bar hole 233 and an eighth bar hole 234, the center of the fifth bar hole 231 and the center of the sixth bar hole 232 are located on the central vertical line of the main aperture 210, and the center of the seventh bar hole 233 and the center of the eighth bar hole 234 are located on the central horizontal line of the main aperture 210.

In some embodiments, as shown in fig. 6, the main opening 210 is circular, and the length of the radius of the main opening 210 is measured and substituted into the stress concentration coefficient of the circular hole edge to obtain the vertical direction and the horizontal direction of the stress concentration direction passing through the center of the circle. Therefore, the first opening hole 220 is arranged in the vertical direction and the horizontal direction passing through the center of the circle, the strip holes include a first strip hole 221, a second strip hole 222, a third strip hole 223 and a fourth strip hole 224, the center of the first strip hole 221 and the center of the second strip hole 222 are arranged on the vertical center line, the center of the third strip hole 223 and the center of the fourth strip hole 224 are arranged on the horizontal center line, further, it is shown that the measurement results that the opening hole provided with the first opening hole has a small amount of stress generated in the horizontal line direction of the central horizontal line and the vertical line, therefore, the second opening hole 230 is arranged to further improve the risk resistance of opening, the second opening hole 230 includes at least two strip holes, the second opening hole 230 includes a fifth strip hole 231, a sixth strip hole 232, a seventh strip hole 233 and an eighth strip hole 234, the center of the fifth strip 231 and the center of the sixth strip hole 232 are arranged on the central vertical line of the main opening hole 210, the centers of the seventh strip-shaped hole 233 and the eighth strip-shaped hole 234 are located on the central horizontal line of the main hole 210.

In some embodiments, the diameter of the secondary aperture is between 100 microns and 250 microns, the length from the edge of the ring structure to the edge of the primary aperture is between 10 microns and 20 microns, and the distance from the edge of the secondary aperture to the bezel on the polarizer is between 200 microns and 500 microns.

In some embodiments, the number of openings is one or two.

In some embodiments, the number of the openings is three, and the three openings are arranged equidistantly.

The invention also provides a display panel which comprises the polaroid, wherein a hole digging area is formed on the display panel, the hole digging area corresponds to the opening, and the cross section area of the hole digging area is larger than that of the opening.

In some embodiments, the display panel is a liquid crystal display panel, as shown in fig. 7, the display panel includes an upper polarizer 110, a lower polarizer 120, and a liquid crystal display panel 200 disposed on the upper polarizer 110 and the lower polarizer 120, the liquid crystal display panel 200 is formed with a light transmissive region, in the light transmissive region, the upper polarizer 110 is disposed with an opening D1, the lower polarizer 120 is disposed with a secondary opening D2, the other side of the lower polarizer 120 is disposed with a backlight module 130, the backlight module is disposed with a hole digging region D3, an orthographic projection of the hole digging region D3 is greater than an orthographic projection of the main opening D1 and the secondary opening D2, and the hole digging region D3 may be used to place an electronic device. Specifically, a front camera may be disposed in the hole digging region D3, and other sensing devices, such as a distance sensor and a light sensor, may also be disposed therein. The liquid crystal display panel further includes a color film substrate 210, a liquid crystal cell 220, an array substrate 230, and the like, which are not described herein again.

In some embodiments, the over-center axes of the primary and secondary apertures D1 and D2 coincide.

In some embodiments, the shape of the dug-hole region D2 is one of a circle, a square, or a polygon. The hole forming mode of the hole digging region D2 can be laser cutting, mechanical cutting or other cutting modes capable of realizing hole forming.

In some embodiments, the cross-sectional area of the cored out section D2 increases uniformly in the vertical direction.

In some embodiments, the center of the dug hole region D2 coincides with the center of the primary and secondary apertures.

In some embodiments, the pore size of the cored area D2 is larger than the secondary openings.

In some embodiments, the pore size of the cored out region D2 is equal to the secondary openings.

In some embodiments, the diameter of the cored out region is between 100 microns and 250 microns, and the length of the edge of the cored out region from the edge is between 200 microns and 500 microns.

In some embodiments, the opening D1 includes a main opening disposed between the main opening and the display area of the display panel and a sub opening disposed around the main opening.

In some embodiments, the opening D1 includes a main opening and a sub opening, the sub opening is disposed between the main opening and the display area of the display panel, and the sub opening includes a first sub opening and a second sub opening, the first sub opening is disposed around the main opening, and the second sub opening is disposed around the first sub opening.

In some embodiments, the opening D2 includes a main opening disposed between the main opening and the display area of the display panel and a sub opening disposed around the main opening.

In some embodiments, the opening D2 includes a main opening and a sub opening, the sub opening is disposed between the main opening and the display area of the display panel, and the sub opening includes a first sub opening and a second sub opening, the first sub opening is disposed around the main opening, and the second sub opening is disposed around the first sub opening.

In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.

The polarizer and the display panel provided by the embodiment of the invention are described in detail above, and the principle and the embodiment of the invention are explained in the present document by applying specific examples, and the description of the above embodiments is only used to help understanding the technical scheme and the core idea of the invention; those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a polaroid, is applied to the display panel who digs the hole in the screen, its characterized in that, the polaroid digs hole department counterpoint at the display panel and is provided with the trompil, the trompil includes main trompil and inferior trompil, inferior trompil centers on main trompil sets up, inferior trompil sets up main trompil with between the display area of display panel.

2. The polarizer of claim 1 wherein the shape of the main opening is circular or polygonal.

3. The polarizer of claim 1 wherein the secondary openings form a ring structure around the primary opening.

4. The polarizer of claim 1, wherein the secondary apertures comprise at least two strip-shaped apertures, and wherein the edge shape of the strip-shaped apertures matches the edge shape of the primary apertures.

5. The polarizer of claim 4, wherein the secondary apertures comprise a first strip aperture and a second strip aperture, and a center of the first strip aperture and a center of the second strip aperture are located on a central perpendicular line of the primary aperture.

6. The polarizer of claim 5, wherein the secondary apertures further comprise a third strip-shaped aperture and a fourth strip-shaped aperture, the center of the third strip-shaped aperture and the center of the fourth strip-shaped aperture are located on a central horizontal line of the primary aperture, and the first strip-shaped aperture, the second strip-shaped aperture, the third strip-shaped aperture and the fourth strip-shaped aperture collectively form a first annular structure.

7. The polarizer of claim 6, wherein the secondary apertures further comprise a second annular structure comprising fifth, sixth, seventh and eighth stripe holes.

8. The polarizer of claim 7, wherein centers of the fifth strip holes and the sixth strip holes are located on a central vertical line of the main aperture, and centers of the seventh strip holes and the eighth strip holes are located on a central horizontal line of the main aperture.

9. The polarizer according to claim 7, wherein the fifth strip-shaped hole, the sixth strip-shaped hole, the seventh strip-shaped hole, and the eighth strip-shaped hole are disposed in a staggered manner with respect to the first strip-shaped hole, the second strip-shaped hole, the third strip-shaped hole, and the fourth strip-shaped hole.

10. A display panel comprising the polarizer according to any one of claims 1 to 9, wherein the polarizer is provided with an opening, wherein the display panel is formed with a cutout region, the opening is provided in alignment with the cutout region, and the cross-sectional area of the cutout region is larger than the cross-sectional area of the opening.