CN210005817U

CN210005817U - Display device

Info

Publication number: CN210005817U
Application number: CN201921233890.5U
Authority: CN
Inventors: 王凯文; 许海峰; 董慧; 张强; 桑艾霞
Original assignee: BOE Technology Group Co Ltd; Hefei Xinsheng Optoelectronics Technology Co Ltd
Current assignee: BOE Technology Group Co Ltd; Hefei Xinsheng Optoelectronics Technology Co Ltd
Priority date: 2019-07-31
Filing date: 2019-07-31
Publication date: 2020-01-31
Anticipated expiration: 2029-07-31

Abstract

A display device is provided, the display device including a display module including a th outer surface, a second outer surface, and a side surface, a tape including a th portion attached to an edge of a th outer surface of the display module, and a second portion attached to the side surface of the display module, a cover member disposed opposite to and spaced apart from the display module, and a tape pressing member including a main body portion disposed between the cover member and the display module and pressing at least an end of a th portion of the tape and dividing a space between the cover member and the display module into a th space and a second space, and at least through holes formed in the main body portion, the at least through holes communicating the th space with the second space.

Description

Display device

Technical Field

The utility model relates to a show technical field, especially relate to display device.

Background

In recent years, liquid crystal display devices have been widely used in . a current liquid crystal display device generally includes a backlight unit and a display panel, and the display panel itself of the liquid crystal display device does not emit light and realizes a function of displaying an image by the light supplied from the backlight unit.

With the continuous progress of technology, various display devices including liquid crystal display devices are being developed toward narrow frames. In the current narrow-frame display device, various attaching means have respective defects, and improvement is needed.

SUMMERY OF THE UTILITY MODEL

To address at least aspects of the above problems, embodiments of the present disclosure provide display devices.

According to aspects, there is provided display devices comprising:

the display module comprises an th outer surface, a second outer surface and a side surface, wherein the th outer surface and the second outer surface are oppositely arranged, the side surface connects the th outer surface and the second outer surface, and the th outer surface is positioned on the light emergent side of the display module;

an adhesive tape, comprising:

a part attached to the edge of the th outer surface of the display module;

a covering member disposed opposite to and spaced apart from the display module; and a belt pressing member, the belt pressing member comprising:

a main body part disposed between the cover part and the display module and pressed at least on an end of the th part of the tape and dividing a space between the cover part and the display module into a th space and a second space, and

at least through-holes formed in the body portion, the at least through-holes communicating the th space with the second space.

For example, the main body includes 2 or more through holes, and each of through holes communicates the th space with the second space.

For example, the thickness of the main body portion is less than or equal to a spacing distance between the display module and the covering member.

For example, the display module includes a polarizer disposed adjacent the th outer surface, the end of th portion of the tape abutting the polarizer.

For example, the side of the th part of the adhesive tape facing the polarizer is closer to the side surface of the display module than the side of the main body part facing the second space.

For example, the portion of the body portion also presses against the polarizer.

For example, the side of the main body facing the second space is aligned with the side of the th portion of the tape facing the polarizer.

For example, the th portion of the tape has a surface facing the cover member that is substantially flush with a surface of the polarizer facing the cover member.

For example, the push belt member is annularly arranged between the cover member and the display module.

For example, the body portion and the tape each include a light blocking material.

For example, the main body portion includes a black rubber material.

For example, the display device further includes th optical glue portion and a second optical glue portion, wherein the th space is closer to a side surface of the display module than the second space, the th optical glue portion is located in the th space to press on at least part of the th part of the tape, and the second optical glue portion fills the second space.

For example, the th optical cement portion and the second optical cement portion each include a water cement.

For example, the adhesive tape further comprises a third part attached to an edge of the second outer surface of the display module.

For example, the display device further includes an encapsulation paste, wherein the encapsulation paste is annularly disposed between the cover member and the display module, and the encapsulation paste is closer to a side surface of the display module than the tape pressing member.

For example, the display module includes a backlight module, a display panel, a back frame and a middle frame, the backlight module is located in the accommodating space of the back frame, the display panel is carried on the middle frame, the second outer surface is located on the side of the back frame facing away from the backlight module , the outer surface is located on the side of the middle frame facing away from the backlight module , and the side surface is located on the side wall of the middle frame facing away from the display panel.

For example, the covering member includes a transparent cover plate.

For example, the covering component comprises a transparent cover plate and a touch substrate, and the touch substrate is attached to the surface, facing the display module, of the transparent cover plate.

In the embodiment of the disclosure, by arranging the belt pressing component, a better attaching effect can be realized in the display device.

Drawings

Other objects and advantages of the present invention will become apparent from the following description of the invention, which is made with reference to the accompanying drawings, and can help to provide a thorough understanding of the present invention.

Fig. 1 is a partial schematic structural diagram of display devices according to an embodiment of the present disclosure;

FIG. 2 is a schematic structural view of tapes according to an embodiment of the present disclosure;

FIG. 3 is a schematic structural view of tapes according to an embodiment of the present disclosure;

FIG. 4 is a partial schematic view schematically illustrating the end lift of the adhesive tape;

FIG. 5A is a schematic diagram of a partial structure of display devices according to an embodiment of the disclosure;

fig. 5B is a schematic view schematically showing a case where total reflection occurs on bubbles formed inside the water gel;

FIG. 6 is a schematic diagram illustrating a partial structure of a display device according to an embodiment of the present disclosure;

fig. 7 is a schematic structural view of a push belt member included in a display device according to an embodiment of the present disclosure;

8A-8D are enlarged views of a display device at portion I in FIG. 6 according to exemplary embodiments of the present disclosure;

fig. 9 is a plan view of a display device according to an embodiment of the present disclosure, schematically showing a positional relationship in the plan view of a push belt member, an th optical glue portion, a second optical glue portion and an encapsulating glue included in the display device;

FIG. 10 is a side view of the push belt member shown in FIG. 7;

FIG. 11 is a schematic diagram of a partial structure of a display device according to an embodiment of the present disclosure; and

fig. 12 is a flowchart of a method of manufacturing a display device according to an embodiment of the present disclosure.

It is noted that in the accompanying drawings used to describe embodiments of the invention, the dimensions of layers, structures or regions may be exaggerated or reduced for clarity, i.e., the drawings are not drawn to scale.

Detailed Description

For purposes of clarity, technical solutions and advantages of the embodiments of the present disclosure, the embodiments of the present disclosure will be described in detail below with reference to the accompanying drawings of the embodiments of the present disclosure.

As used in this disclosure, "", "second", and similar terms do not denote any order, quantity, or importance, but rather are used to distinguish one element from another, and similar terms "comprise", "comprises", "comprising", or the like, mean that the element or item preceding the word "comprises" or "comprising" covers that element or item listed after the word and its equivalents, but does not exclude other elements or items.

In this document, unless specifically stated otherwise, directional terms such as "upper", "lower", "left", "right", "inside", "outside", and the like are used to indicate orientations or positional relationships based on the orientation shown in the drawings, merely for convenience in describing the present disclosure, and do not indicate or imply that the referenced device, element, or component must have a particular orientation, be constructed or operated in a particular orientation. It should be understood that when the absolute positions of the described objects are changed, the relative positional relationships they represent may also change accordingly. Accordingly, these directional terms should not be construed as limiting the present disclosure.

The expressions "OCR glue" (also called aqueous glue or optical liquid glue) and "OCA glue" herein should be understood in the meaning commonly used in the art, for example, "OCR glue" and "OCA glue" are both used in the art as optical glue, and in general, OCA glue is solid or semi-solid before curing, has poor flowability, and becomes solid after curing; the OCR glue is liquid before solidification, has better fluidity and becomes solid after solidification.

Fig. 1 is a partial structural schematic diagram of kinds of display devices according to an embodiment of the present disclosure, for example, the display device shown in fig. 1 may be a liquid crystal display device, referring to fig. 1, the display device 1 may include a backlight module 2, a display panel 4 such as a liquid crystal display panel, a back frame 5, and a middle frame 6.

Specifically, the backlight module 2 may include a light source 21 and an optical film set, for example, the optical film set may include optical films such as a diffusion sheet 23 and a brightness enhancement sheet 24, it should be understood that the optical film set may also include other types of optical films, and the types of the optical films included in the optical film set may be selected according to actual use requirements, for example, the light source 21 may include a plurality of Light Emitting Diodes (LEDs). further, for example, the backlight module 2 may be a side-in type backlight module and may further include a light guide plate 22. as shown in fig. 1, the light source 21 may be disposed at side surfaces of the light guide plate 22, which are referred to as light incident surfaces of the light guide plate 22. light emitted from the light source 21 is scattered by the light guide plate 22 and then emitted from light emitting surfaces of the light guide plate 22, and then passes through the optical film set to form a surface light source.

Referring to fig. 1, a display panel 4, for example, a liquid crystal display panel, may include two substrates oppositely disposed, for example, the two substrates may be an array substrate 41 and a color filter substrate 42. It should be understood that the display panel 4 may further include a liquid crystal layer disposed between the array substrate 41 and the color filter substrate 42. The substrates of the array substrate 41 and the color filter substrate 42 may be glass. In addition, it should be noted that the array substrate and the color filter substrate may adopt the structure of the array substrate and the color filter substrate that are common in the art, and are not described herein again.

The display panel 4 may further include a lower polarizer 43 and an upper polarizer 45, in the embodiment shown in fig. 1, the lower polarizer 43 is disposed on the lower surface of the array substrate 41, and the upper polarizer 45 is disposed on the upper surface of the color filter substrate 42.

Referring to fig. 1, the back frame 5 has accommodating spaces 52 for accommodating the backlight module 2, the middle frame 6 is used for carrying the display panel 4, for example, a buffer element 7 such as buffer foam is disposed between the carrying surface of the middle frame 6 and the lower polarizer 43 of the display panel 4, the portion of the middle frame 6 may be supported on the back frame 5, the back frame 5 may have side walls, and the side walls of the middle frame 6 and the side walls of the back frame 5 are combined by, for example, a snap connection, a screw connection, or the like.

For convenience of description, a component formed by assembling the backlight module and the display panel is referred to as a display module, that is, the expression "display module" includes the backlight module, the display panel and a frame which combines the backlight module and the display panel at , for example, the display module may include the backlight module 2, the display panel 4, the back frame 5 and the middle frame 6.

Referring to fig. 1, the display device 1 may further include a tape 8 for fixing the display panel 4 so as to attach to both the backlight module 2 and the display panel 4, the tape 8 may have an encapsulating structure, for example, the tape 8 is attached to an edge of an upper surface (also referred to as outer surface of the display module) S1 of the display module, a side surface S2 of the display module, and an edge of a lower surface (also referred to as a second outer surface of the display module) S3 of the display module, specifically, the tape 8 may include a th portion 81, a second portion 82, and a third portion 83, the st portion 81 of the tape 8 is attached to an edge of a surface of the middle frame 6 facing away from side of the display panel 4, the second portion 82 of the tape 8 is attached to a side wall of the middle frame 6, the third portion 83 of the tape 8 is attached to an edge of a surface of the back frame 5 facing away from the backlight module 2 side, the tape 8 is a continuously extending tape 8, that is attached to both the th portion 81, the second portion 82, and the third portion 83 of the tape 8 is attached to , so as to fix the display panel 3874 by the encapsulating structure, and the display panel 584.

Alternatively, the tape 8 may be composed of a light shielding material, for example, the tape 8 may be a black tape. The adhesive tape 8 is attached to the edge of the lower surface of the display module, the side wall of the display module and the edge of the upper surface of the display module, and can shield the light of the whole non-display area of the display device 1, so that the probability of light leakage generated by the display device can be reduced or even avoided.

Alternatively, the adhesive tape 8 may be made of a conductive material, so that the adhesive tape 8 may function as an electrostatic discharge or an electrostatic shield.

Referring to fig. 2, the adhesive tape 8 may include an adhesive layer 84, an aluminum film layer 85 and a light shielding layer 86 sequentially stacked, wherein the adhesive layer 85 itself is conductive, and the aluminum film layer 85 is mixed with black conductive particles, according to an embodiment of the present disclosure.

Referring to fig. 3, the adhesive tape 8 may include a glue layer 87 and a substrate layer 88, which are sequentially stacked, wherein the glue layer 87 is conductive, the substrate layer 88 may be made of a light-shielding and conductive material, and the substrate layer 88 is attached to the non-display region of the display module 30 through the glue layer 87.

Referring back to fig. 1, when the display device 1 performs display, light generated by the backlight module 2 is emitted from the upper polarizer 45, in order to prevent light from being emitted from the non-display region on the light-emitting surface side of the display device 1, the end 8A of the tape 8 near the upper polarizer 45 (i.e., the end 8A of the -th portion 81 of the tape 8) is adjacent to the upper polarizer 45, it should be noted that "the end 8A of the tape 8 near the upper polarizer 45 (i.e., the end 8A of the -th portion 81 of the tape 8) is adjacent to the upper polarizer 45" means that the side of the end 8A of the tape 8 may be spaced apart from the side of the upper polarizer 45 near the tape 8 by a small gap, or the side of the end 8A of the tape 8 may be in contact with the side of the upper polarizer 45 near the tape 8, but the end 8A of the tape 8 does not overlap the upper polarizer 45, so as to prevent the tape 8 from affecting light emitted from the display region of the.

With continued reference to fig. 1, the display device 1 may further include a cover member 9, an optical paste portion 10, and an encapsulation paste 11. For example, the covering member 9 may be a cover plate, i.e., the covering member 9 may be a glass cover plate. For example, the optical cement portion 10 may be composed of water cement (also referred to as optical liquid cement or OCR cement). The sealing adhesive 11 is annularly disposed between the peripheral region of the upper polarizer 45 of the display panel 4 and the cover plate 9. The glue 10 is filled in the space between the cover plate 9 and the upper polarizer 45 and surrounded by the packaging glue 11. In this way, the cover plate 9 can be completely attached to the display panel 4 by the glue 10 and encapsulated by the encapsulating glue 11.

, the inventor found that when the display device 1 is applied to a narrow-bezel display device, the width of the non-display area of the display device 1 becomes small, and referring back to fig. 1, the length a of the part 81 where the tape 8 is attached to the edge of the surface of the bezel 6 facing away from the display panel 4 side becomes small, for example, in a narrow-bezel display device applied to a moving object such as a vehicle, the length a is 1.2mm or less, at which time, a problem may occur that the adhesive strength is insufficient to cause the end 8A of the tape 8 to lift up, as shown in fig. 4, and with reference to fig. 4, since the end 8A of the tape 8 lifts up, light generated by the backlight module 2 may not pass through the upper polarizer 45 but be emitted from a gap where the tape 8 lifts up (as indicated by a line LS with an arrow in fig. 4), resulting in edge light leakage or a bright stripe (also referred to as a crosstalk phenomenon.

, in order to avoid the cross-talk phenomenon, the inventor tried to apply an optical adhesive 10 such as water glue to the end 8A of the th part 81 of the tape 8, as shown in fig. 5A, to press the end 8A of the tape 8 and prevent it from lifting up, however, the inventor found that if the optical adhesive 10 such as water glue is applied to the tape 8, a bright stripe is easily formed at the position where the water glue 10 overlaps the tape 8, i.e., a bright stripe phenomenon of a glue edge is easily generated, the inventor found that a reason for the occurrence of the poor bright stripe of a glue edge may be that the surface of the upper polarizer 45 is different from the surface of the tape 8, particularly, the surface of the tape 8 is rougher than the surface of the upper polarizer 45, so that the water glue 10 applied to the tape 8 easily forms a bubble 10P inside, as a result, referring to fig. 5b, a light (e.g., external light) is reflected at the bubble 10P, a large amount of reflection may cause the portion where the bubble is formed in the water glue 10 to have a large brightness, i.e., a phenomenon of the bubble 10 is easily formed at the position where the overlapping the tape 8, i.e., a bright stripe phenomenon is easily generated, and total reflection phenomenon is also occurred, and the phenomenon of the occurrence of the bright stripe occurs, and the phenomenon of the occurrence of the bright stripe phenomenon is aggravated, and the phenomenon of the occurrence of the phenomenon of the.

In order to avoid the crosstalk phenomenon and the edge-gluing bright stripe phenomenon, an embodiment of the present disclosure further provides display devices including a tape pressing component, fig. 6 illustrates a schematic partial structure of a display device according to an embodiment of the present disclosure, referring to fig. 6, a display device 10 may include a display module 30, and the display module 30 may include a backlight module 20, a display panel 40 such as a liquid crystal display panel, a back frame 50, and a middle frame 60.

Specifically, the backlight module 20 may include a light source 201 and an optical film group, for example, the optical film group may include optical films such as a diffusion sheet 203 and a brightness enhancement sheet 204, it should be understood that the optical film group may also include other types of optical films, and the types of the optical films included in the optical film group may be selected according to actual use requirements.

Referring to fig. 6, the display panel 40 may include two substrates oppositely disposed, for example, the two substrates may be an array substrate 401 and a color filter substrate 402. It should be understood that the display panel 40 may further include a liquid crystal layer disposed between the array substrate 401 and the color filter substrate 402. The substrates of the array substrate 401 and the color filter substrate 402 may be glass. In addition, it should be noted that the array substrate and the color filter substrate may adopt the structure of the array substrate and the color filter substrate that are common in the art, and are not described herein again.

The display panel 40 may further include a lower polarizer 403 and an upper polarizer 405, in the embodiment shown in fig. 6, the lower polarizer 403 is disposed on the lower surface of the array substrate 401, and the upper polarizer 405 is disposed on the upper surface of the color filter substrate 402.

Referring to fig. 6, the back frame 50 has accommodating spaces 502 for accommodating the backlight module 20, the middle frame 60 is used for carrying the display panel 40, and for example, a buffer element 70 such as a buffer foam is disposed between the carrying surface of the middle frame 60 and the lower polarizer 403 of the display panel 40.

Thus, as shown in fig. 6, the display module 30 may include an upper surface (also referred to as an -th outer surface) S1, a side surface S2 and a lower surface (also referred to as a second outer surface) S3, wherein the lower surface S3 is disposed opposite to the upper surface S1, the side surface S2 connects the lower surface S3 and the upper surface S1, and the upper surface S1 is located on a light emitting side of the display module, specifically, the lower surface S3 is located on a side of the back frame 50 facing away from the backlight module 20 , the upper surface S1 is located on a side of the middle frame 60 and the display panel 40 facing away from the backlight module 20 , and the side surface S2 is located on a side wall of the middle.

Referring to fig. 6, the display device 10 may further include a tape 80 for fixing the display panel 40 so as to attach to both the backlight module 20 and the display panel 40, the tape 80 may have an encapsulating structure, for example, the tape 80 is attached to an edge of an upper surface (also referred to as a outer surface) S1 of the display module 30, a side surface S2 of the display module 30, and an edge of a lower surface (also referred to as a second outer surface) S3 of the display module 30, and specifically, the tape 80 may include a th portion 801, a 802 th portion, and a 803 th portion, a rd portion 801 of the tape 80 is attached to an edge of a surface of the bezel 60 facing away from the side of the display panel 40, the 802 th portion of the tape 80 is attached to a side wall of the bezel 60, and the 803 th portion of the tape 80 is attached to an edge of a surface of the back frame 50 facing away from the backlight module 20 side.

Alternatively, the tape 80 may be composed of a light-shielding material, for example, the tape 80 may be a black tape. The adhesive tape 80 is attached to the edge of the lower surface of the display module 30, the side surface of the display module 30 and the edge of the upper surface of the display module 30, and can shield the light of the whole non-display area of the display device 10, so that the probability of light leakage of the display device can be reduced or even avoided.

Alternatively, the tape 80 may be constructed of a conductive material, such that the tape 80 may function as an electrostatic discharge or shield.

Referring back to fig. 2, the tape 80 may have the same structure as the tape 8, that is, may include a glue layer 84, an aluminum film layer 85, and a light shielding layer 86, which are sequentially stacked, wherein the glue layer 84 itself is conductive, and the aluminum film layer 85 is mixed with black conductive particles.

Referring back to fig. 3, the tape 80 may have the same structure as the tape 8, that is, may include a glue layer 87 and a substrate layer 88 stacked in sequence, the glue layer 87 itself is conductive, the substrate layer 88 may be made of a light-shielding and conductive material, and the substrate layer 88 is attached to the non-display region of the display module 30 through the glue layer 87. Alternatively, glue layer 87 may itself be electrically conductive and substrate layer 88 may be electrically non-conductive.

Referring to fig. 6, when the display device 10 displays, light generated by the backlight module 20 is emitted from the upper polarizer 405. to prevent light from being emitted from the non-display region on the light-emitting surface side of the display device 10, the end 80A of the adhesive tape 80 near the upper polarizer 405 (i.e., the end 80A of the -th portion 801 of the adhesive tape 80) is adjacent to the upper polarizer 405. it should be noted that "the end 80A of the adhesive tape 80 near the upper polarizer 405 (i.e., the end 80A of the -th portion 801 of the adhesive tape 80) is adjacent to the upper polarizer 405" means that the side of the end 80A of the adhesive tape 80 may be separated from the side of the upper polarizer 405 near the adhesive tape 80 by a small gap, or the side of the end 80A of the adhesive tape 80 may be in contact with the side of the upper polarizer 405 near the adhesive tape 80, but the end 80A of the adhesive tape 80 does not overlap the upper polarizer 405 to prevent the adhesive tape 80 from affecting light emitted from the display region.

With continued reference to fig. 6, the display device 10 may further include a cover member 90, a water gel 100 (also referred to as an optical liquid gel or OCR gel), and an encapsulation gel 110. For example, the covering member 90 may be a cover plate, specifically, a glass cover plate. The sealing adhesive 110 is annularly disposed between the peripheral region of the upper polarizer 405 of the liquid crystal display panel 40 and the cover plate 90. The water gel 100 is filled in the space between the cover plate 90 and the upper polarizer 405 and surrounded by the packaging adhesive 110. In this way, the cover plate 90 may be completely attached to the display panel 40 by the glue 100 and encapsulated by the encapsulating glue 110.

As shown in FIG. 6, the cover member 90 and the display module 30 are disposed opposite and spaced apart, where "disposed opposite and spaced apart" means that the cover member 90 and the display module 30 are disposed opposite with a space defined by therebetween, specifically, a surface (a lower surface shown in FIG. 6) of the cover member 90 facing the display module 30 and a surface (an upper surface shown in FIG. 6) of the display module 30 facing the cover member 90 are disposed opposite with a space defined by therebetween, for example, a surface (a lower surface shown in FIG. 6) of the cover member 90 facing the display module 30 and a surface (an upper surface shown in FIG. 6) of the display module 30 facing the cover member 90 are spaced apart by due to the provision of the potting adhesive 110 and the optical adhesive such as the water adhesive 100 (described in more detail below).

With continued reference to fig. 6, the display device 10 may further include a push belt member 120, fig. 7 is a schematic structural view of a push belt member included in the display device according to an embodiment of the present disclosure, referring to fig. 6 and 7 in combination, the push belt member 120 may include a main body portion 1201 and a through hole 1202, at least portion of the main body portion 1201 is pressed against the tape 80, in the embodiment shown in fig. 6, at least portion of the main body portion 1201 is pressed against the th portion 801 of the tape 80, more specifically, at least portion of the main body portion 1201 is pressed against the end 80A of the 865nd th portion 801 of the tape 80, i.e., the orthographic projection of the main body portion 1201 on the display panel 40 is at least partially overlapped with the orthographic projection of the th portion 801 of the tape 80 on the display panel 40, thus, by disposing the push belt member 120 such that at least portion of the main body portion 1201 is pressed against the th portion 801 of the tape 80, in particular, by disposing the end 80A of the push belt member 120 closer to the side surface 2 of the display module 30 than the push belt member 120, such that the cover plate 90 is disposed between the cover plate 90 and the cover plate 80, the display module 80, and the second cover plate 80, such that the display module 80 is disposed between the cover plate 80, the display module 80, the display.

FIG. 8A is an enlarged view of a display device according to exemplary embodiments of the present disclosure at portion I in FIG. 6. referring to FIG. 8A, another portion of the main body portion 1201 is also pressed against the upper polarizer 405, i.e., the orthographic projection of the main body portion 1201 on the display panel 40 overlaps the orthographic projection of the upper polarizer 405 on the display panel 40. more specifically, a side 80S of the adhesive tape 80 at which the -th portion 801 of the adhesive tape 80 is adjacent to the upper polarizer 405 is spaced from a side 405S of the upper polarizer 405 adjacent to the adhesive tape 80 by a gap 80G that is relatively small, and the pressure belt member 120 spans the gap 80G such that the portion of the main body portion 1201 thereof is pressed against the adhesive tape 80 and another portion is pressed against the upper polarizer 405.

FIG. 8B is an enlarged view of a display device according to exemplary embodiments of the present disclosure at section I in FIG. 6. referring to FIG. 8B, the body portion 1201 is not pressed against the upper polarizer 405, i.e., the orthographic projection of the body portion 1201 on the display panel 40 does not overlap the orthographic projection of the upper polarizer 405 on the display panel 40. more specifically, a side 80S of the adhesive tape 80 at which the th portion 801 of the adhesive tape 80 is close to the upper polarizer 405 is less spaced from a side 405S of the upper polarizer 405 close to the adhesive tape 80 by a gap 80G across which the push belt member 120 does not span, e.g., a side 120S of the body portion 1201 of the push belt member 120 facing the second space CV2 is aligned with a side 80S of the th portion 801 of the adhesive tape 80, as shown in FIG. 8B. optionally, the push belt member 120 may cover a portion of the gap 80G, a side 120S of the body portion 1201 of the push belt member 120 facing the second space CV2 is closer to the upper polarizer 405 than a side 80S of the 5630 of the adhesive tape 80, or a side 3580S of the body portion 3580 of the push belt member 120 is closer to the side 80S of the upper polarizer 405 than a side 80 of.

Fig. 8C is an enlarged view of the display device according to other exemplary embodiments of the present disclosure at part I in fig. 6, referring to fig. 8C, a side 80S of a -th portion 801 of the adhesive tape 80 is in contact with a side 405S of the upper polarizer 405 adjacent to the adhesive tape 80, a -th portion of the main body portion 1201 of the pressure belt member 120 is pressed against the -th portion 801 of the adhesive tape 80, that is, an orthogonal projection of the main body portion 1201 on the display panel 40 overlaps an orthogonal projection of the -th portion 801 of the adhesive tape 80 on the display panel 40, and another -th portion of the main body portion 1201 is also pressed against the upper polarizer 405, that is, an orthogonal projection of the main body portion 1201 on the display panel 40 overlaps an orthogonal projection of the upper polarizer 405 on the display panel 40.

FIG. 8D is an enlarged view of a display device according to additional exemplary embodiments of the present disclosure at section I in FIG. 6, referring to FIG. 8D, side 80S of -th portion 801 of tape 80 is in contact with side 405S of upper polarizer 405 near tape 80, main body portion 1201 of push belt member 120 is entirely pressed against tape 80, i.e., the orthographic projection of main body portion 1201 of push belt member 120 on display panel 40 falls within the orthographic projection of -th portion 801 of tape 80 on display panel 40. main body portion 1201 is not pressed against upper polarizer 405, i.e., the orthographic projection of main body portion 1201 on display panel 40 and the orthographic projection of upper polarizer 405 on display panel 40 do not overlap, and side 120S of main body portion 1201 of push belt member 120 towards second space 2 is aligned with side 80S of -th portion 801 of tape 80.

In the embodiment of the present disclosure, the push belt member 120 is to press or cover at least the end 80A of the th portion 801 of the adhesive tape 80, and more specifically, the orthographic projection of the th portion 801 of the adhesive tape 80 on the display panel 40 near the side 80S of the upper polarizer 405 falls within the orthographic projection of the main body portion 1201 of the push belt member 120 on the display panel 40.

In the embodiment of the present disclosure, to facilitate positioning of push belt assembly 120, the surface of -th portion 801 of adhesive tape 80 facing cover plate 90 (i.e., the upper surface of -th portion 801 of adhesive tape 80) is substantially flush with the surface of upper polarizer 405 facing cover plate 90 (i.e., the upper surface of upper polarizer 405), i.e., the upper surface of -th portion 801 of adhesive tape 80 is substantially at the same height as the upper surface of upper polarizer 405.

For example, the th portion 801 of tape 80 having a surface facing cover plate 90 that is substantially flush with the surface of upper polarizer 405 facing cover plate 90 includes the th portion 801 of tape 80 having a surface facing cover plate 90 that is substantially flush with the surface of upper polarizer 405 facing cover plate 90, or the th portion 801 of tape 80 having a surface facing cover plate 90 that is substantially flush with the surface of upper polarizer 405 facing cover plate 90, and the upper polarizer 405 having a surface facing cover plate 90 that is substantially flush with the surface of upper polarizer 405, but within the tolerance of the manufacturing tolerances.

6-8D, a through hole 1202 of the tape member 120 communicates the second space CV and the second space CV, thereby allowing a portion of the glue 100 to enter the 0 th space CV through the through hole 1202 from the second space CV, such that a 1 portion of the glue 100 may be pressed against the 2 nd portion 801 of the tape 80, as shown in FIGS. 8A-8D. therefore, in the embodiments of the present disclosure, both the tape members 120 and 3 portions of the glue 100 may press against the end portion 80A of the tape 80, thereby preventing the end portion 80A of the tape 80 from lifting up, thereby preventing light cross-talk. for example, referring to FIGS. 6-8D, the display device 10 includes a 4 th optical glue portion 100A formed by an optical glue such as glue 100 and a second optical glue portion 100B formed by an optical glue such as glue 100. it should be understood that the 5 th space CV communicates with the second space CV, allowing a 6 portions of the glue 100 to enter the 7 th space CV from the second space CV, such that the polarizer 100 enters the second space CV and the second space 1202 through the second space 100A, such that the optical glue 100 is more closely attached to the second glue portion 100A, such that the second glue 100 is more closely attached to the top surface of the cover plate 100A, the second cover plate 100, such that the second glue 100 is more closely attached to the second glue 100, the optical cover plate 100 is more closely attached to the top surface of the second cover plate 100, thereby the optical module 100, the optical module 100 is better than the optical module 100 is shown in the second cover plate 100, the optical module 100 is better, the optical module 100 is more closely attached to the optical module 100, the optical module 100 is better than.

, the main body 1201 of the tape pressing member 120 is made of a light-shielding material, for example, the main body 1201 may be made of a black rubber material, or the main body 1201 may be made of a silicone rubber mixed with a black pigment, or the main body 1201 may be made of other light-shielding material with elasticity, so that even if the water gel 100 applied on the tape 80 forms bubbles 100P inside, as shown in fig. 8A-SD, light (e.g., external light) is reflected at the bubbles 10P (see fig. 5 in combination), a large amount of reflected light is blocked by the main body 1201 of the tape pressing member 120, that is, a large amount of reflected light does not enter the visible area and is observed by the user, and therefore, the bright stripe phenomenon of the glue edge is avoided.

In the embodiment of the present disclosure, the tape pressing member 120 presses or covers at least the side 80S of the adhesive tape 80 facing the upper polarizer 405, so that the bubble 100P is generated only at the outer side of the tape pressing member 120, i.e., the side far away from the upper polarizer 405, thereby ensuring that the light totally reflected by the bubble 100P is blocked by the main body portion 1201 of the tape pressing member 120.

Fig. 9 is a plan view of a display device according to an embodiment of the present disclosure, in which a position relationship of a tape member 120, a th optical adhesive portion 100A, a second optical adhesive portion 100B, and an encapsulation adhesive 110 in the plan view is shown, fig. 10 is a side view of the tape member shown in fig. 7, in combination with fig. 7-10, the tape member 120 includes a main body portion 1201 in a ring shape, that is, the tape member 120 is annularly arranged around the outer circumference of the second optical adhesive portion 100B, the thickness of the main body portion 1201 may be substantially equal to a spacing distance between the display module 30 and the cover plate 90, that is, the thickness d1 of the main body portion 1201 may be substantially equal to the thickness d2 of the second optical adhesive portion 100B, it should be noted that "substantially equal" here means that the thickness d1 of the main body portion 1201 may be equal to the thickness d2 of the second optical adhesive portion 100B, or the thickness d2 of the main body portion 1201 may be smaller than the thickness d2, d 3-d 1 of the second optical adhesive portion 100B, the difference may be equal to 0.1mm, the thickness d 630.84 mm, or the difference may be set to be equal to a thickness B equivalent to a thickness difference of a thickness d 730.7 mm, a thickness B equivalent to a thickness of a thickness B equivalent to a.

The width w1 of the body portion 1201 can be selected according to practical needs, for example, the width w1 of the body portion 1201 can be about 1.5 mm.

It should be noted that the cross-sectional shape of the through holes 1202 of the tape member 120 is not particularly limited in the embodiments of the present disclosure, for example, in the embodiment shown in fig. 10, the cross-section of the through holes 1202 is circular, and further, for example, the diameter of the circular through holes 1202 may be 0.1mm or more to facilitate the processing of the through holes, the number of the through holes 1202 included in the tape member 120 is not particularly limited, and the number of the through holes 1202 may be determined according to the thickness d1 of the main body portion 1201, for example, 1 through hole 1202 may be provided when the thickness d1 of the main body portion 1201 is small, for example, less than 0.4mm, and 2 or more through holes 1202 may be provided when the thickness d1 of the main body portion 1201 is large, for example, more than 0.4 mm.

For example, the belt member 120 may be made of a black rubber material and manufactured by a molding process. However, embodiments of the present disclosure are not limited thereto, and the belt pressing member 120 may be made of other suitable materials and other suitable processing methods.

Referring to fig. 11, the display device 10 may include a display module 30, the display module 30 includes a backlight module 20, a display panel 40 such as a liquid crystal display panel, a back frame 50, a middle frame 60, and a buffer element 70, the display device 10 may further include a tape 80, a cover plate 90, an -th optical adhesive part 110A, a second optical adhesive part 110B, an encapsulation adhesive 110, a tape pressing part 120, and a touch substrate 300, i.e., the display device 10 may be a touch display device, it should be noted that the components and structures of the display device in the embodiment shown in fig. 11 may refer to the components and structures of the display device in the embodiments described above with respect to fig. 6 to 10, and the components and structures not described in the embodiments described above will be described in detail below.

As shown in fig. 11, the covering member includes a touch panel formed by bonding the touch substrate 300 and the cover plate 90, for example, the touch substrate 300 is disposed on the side of the upper polarizer 405 facing away from the display panel 40, the encapsulant 110, the tape pressing member 120, the th optical cement portion 110A, and the second optical cement portion 110B are disposed between the upper polarizer 405 and the touch substrate 300, the cover plate 90 (e.g., the transparent cover plate 90) is disposed on the side of the touch substrate 300 facing away from the display panel 40, and the encapsulant 110 'and the water cement 100' are disposed between the touch substrate 300 and the cover plate 90 for bonding the touch substrate 300 and the cover plate 90.

It should be understood that the display device in the embodiment shown in fig. 11 can achieve all the features and advantages of the display device in the respective embodiments described above with respect to fig. 6 to 10, and thus, the description thereof is omitted.

For example, the display device in each of the above-described embodiments may be a vehicle-mounted display device applied to a mobile object such as an automobile, or may be a display device such as a notebook computer. Of course, the embodiments of the present disclosure are not limited thereto, and for example, the display device may be any product or component having a display function, such as a smart phone, a wearable smart watch, smart glasses, a tablet computer, a television, a display, a digital photo frame, a navigator, an in-vehicle display, an electronic book, and the like.

Fig. 12 is a flowchart of a method of manufacturing a display device according to an embodiment of the present disclosure, which may be performed according to the following steps in conjunction with fig. 6 and 12, it should be noted that steps of the manufacturing method may be performed individually or in combination, and may be performed in parallel or sequentially, and are not limited to the specific sequence of operations shown in fig. 12.

In step S321, the backlight module 20 is assembled. For example, the light source 201, the light guide plate 202, and the optical film set are assembled to form the complete backlight module 20.

In step S322, the display panel 40 is assembled. For example, the array substrate 401 and the color filter substrate 402 are sealed, and then the lower polarizer 403 and the upper polarizer 405 are respectively attached to the array substrate 401 and the color filter substrate 402 to form the display panel 40.

In step S323, the backlight module 20 and the back frame 50 are mounted. For example, the backlight assembly 20 is installed in the receiving space 502 of the back frame 50.

In step S324, the display panel 40 and the middle frame 60 are mounted. For example, a buffer member 70 such as buffer foam is provided on the carrying surface of the middle frame 60, and then the display panel 40 is placed on the buffer member 70.

In step S325, the back frame 50 and the middle frame 60 are bonded by the adhesive tape 80, so that the backlight module 20 and the display panel 40 are bonded at , for example, the adhesive tape 80 may include a portion 801, a second portion 802 and a third portion 803, the portion 801 of the adhesive tape 80 is attached to the edge S1 of the surface of the middle frame 60 facing away from the 40 side of the display panel 40, the second portion 802 of the adhesive tape 80 is attached to the sidewall S2 of the middle frame 60, and the third portion 803 of the adhesive tape 80 is attached to the edge S3 of the surface of the back frame 50 facing away from the 20 side of the backlight module 20.

In step S326, the push belt member 120 is placed on the th portion 801 of the adhesive tape 80 to press the end 80A of the th portion 801 of the adhesive tape 80.

In step S327, a covering member such as the cover plate 90 is attached to the structure obtained in step S326, for example, in this step, the sealing adhesive 110 is coated to be annularly arranged on the outer peripheral area of the upper polarizer 405 of the display panel 40, the water gel 100 is coated to cover the upper polarizer 405, the cover plate 90 is attached, during the attachment, the cover plate 90 is pressed down so that portions of the water gel 100 overflow onto the adhesive tape 80 through the through holes 1202 of the tape pressing member 120, and then the water gel 100 is cured.

For example, referring to fig. 11 and 12, the manufacturing method may further include a step of forming a touch substrate, in step S3265, the cover plate 90 and the touch substrate 300 are attached, for example, in this step, the encapsulation adhesive 110 'is coated so as to be annularly arranged around the touch substrate 300, the water adhesive 100' is coated so as to cover the surface of the touch substrate 300 surrounded by the encapsulation adhesive 110 ', the cover plate 90 is attached, in the process of attaching, the cover plate 90 is pressed down so that the cover plate 90 and the touch substrate 300 are attached at , and then the water adhesive 100' is cured to form the touch panel.

Accordingly, in step S327, the touch panel formed in step S3265 may be attached to the structure obtained in step S326, for example, in this step, the encapsulation adhesive 110 is coated so as to be annularly arranged on the peripheral region of the upper polarizer 405 of the display panel 40, the water gel 100 is coated so as to cover the upper polarizer 405, the touch panel is attached, and in the process of attaching, the touch panel is pressed down so that portions of the water gel 100 overflow onto the adhesive tape 80 through the through holes 1202 of the tape pressing member 120, and then the water gel 100 is cured.

Although embodiments of the present general inventive concept have been shown and described, it will be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the general inventive concept, the scope of which is defined in the appended claims and their equivalents.

Claims

1, A display device, comprising:

an adhesive tape, comprising:

a th part attached to the edge of the th outer surface of the display module, and

the second part is attached to the side surface of the display module;

a covering member disposed opposite to and spaced apart from the display module; and

a belt pressing member, the belt pressing member comprising:

2. The display device according to claim 1, wherein the main body portion includes 2 or more through holes, and each through holes communicate the th space with the second space.

3. The display device according to claim 1, wherein a thickness of the main body portion is less than or equal to a spacing distance between the display module and the cover member.

4. The display device of claim 1, wherein the display module comprises a polarizer disposed proximate the th outer surface, the end of th portion of the tape abutting the polarizer.

5. The display device according to claim 4, wherein a side of the th part of the tape facing the polarizer is closer to a side surface of the display module than a side of the main body part facing the second space.

6. The display device according to claim 5, wherein the portion of the main body portion also presses against the polarizer.

7. The display device according to claim 4, wherein a side of the main body portion facing the second space is aligned with a side of the th portion of the tape facing the polarizer.

8. The display device of any of claims 4-7, wherein a surface of the part of the adhesive tape that faces the cover member is substantially flush with a surface of the polarizer that faces the cover member.

9. The display device of any of claims 1-7, wherein the push belt member is annularly arranged between the cover member and the display module.

10. The display device of any of claims 1-7, wherein the body portion and the tape each include a light blocking material.

11. The display device of any of claims 1-7, wherein the body portion comprises a black rubber material.

12. The display device according to claim 1, further comprising th optical glue portions and a second optical glue portion,

wherein the th space is closer to the side surface of the display module than the second space, the th optical adhesive part is located in the th space to press on at least a portion of the th portion of the adhesive tape, and the second optical adhesive part fills the second space.

13. The display device according to claim 12, wherein the th and second optical glue portions each comprise a water glue.

14. The display device of any of claims 1-7 and 12-13, wherein the tape further comprises a third portion affixed to an edge of the second exterior surface of the display module.

15. The display device of any of claims 1-7 and 12-13, further comprising an encapsulant,

wherein the encapsulation paste is annularly arranged between the cover member and the display module, and the encapsulation paste is closer to a side surface of the display module than the tape pressing member.

16. The display device according to of claims 1-7 and 12-13, wherein the display module comprises a backlight module, a display panel, a back frame and a middle frame, the backlight module is located in the receiving space of the back frame, the display panel is carried on the middle frame,

and wherein the second outer surface is located on the side of the back frame facing away from the backlight , the outer surface is located on the side of the middle frame and the side of the display panel facing away from the backlight , and the side surfaces are located on the side walls of the middle frame facing away from the display panel.

17. The display device of any of claims 1-7 and 12-13, wherein the cover component includes a transparent cover sheet.

18. The display device of any of claims 1-7 and 12-13, wherein the cover member comprises a transparent cover plate and a touch substrate adhered to a surface of the transparent cover plate facing the display module.