Display device

Abstract

The utility model provides a display device which comprises a liquid crystal box, a first polaroid, a backlight module and a first shading assembly, the liquid crystal box comprises a light-transmitting area and a first surface, the first polaroid is arranged on the first surface, a first opening is formed in the first polaroid, the backlight module comprises a through hole, and the through hole corresponds to the light-transmitting area; the first shading piece comprises a hole wall of the through hole, opening glue and a shading double-sided tape, the hole wall of the through hole is of a shading structure, and the opening glue surrounds the through hole, is arranged on the end face of the hole wall of the through hole and is connected with the side, back to the first surface, of the first open hole; and the shading double-sided adhesive tape is arranged around the through hole and is connected between the opening adhesive and the first surface in a light leakage prevention manner. According to the utility model, the problems of low efficiency and high cost when a glue coating method is adopted to improve the light leakage problem generated when the camera is installed on the backlight assembly in the prior art are solved.

Description

Technical Field

[0001] The utility model relates to the field of display technology, and in particular to a display device. Background Art

[0002] As a core component of modern electronic devices, the construction and performance of liquid crystal displays (LCDs) directly impact the overall performance of the device. A typical LCD consists of key components such as a cover plate, a display panel (which typically includes a liquid crystal cell and first and second polarizers positioned on either side of the cell), and a backlight assembly. These components work together to produce clear images. However, in practical applications, especially in display devices with integrated front-facing cameras, LCD design presents a number of challenges.

[0003] The backlight assembly's perforation is a critical step. Because the camera is placed within the backlight assembly's through-holes, this design inevitably leads to light leakage. Light leakage between the backlight assembly and the display glass, as well as within the backlight assembly itself, not only affects the camera's operation but also degrades the overall display quality.

[0004] Figure 1 The figure shows a schematic structural diagram of a display device in the prior art. After the camera is installed in the through hole 31', it is usually necessary to use a joint glue 42' to connect the backlight assembly 3' and the first polarizer 2'. When the hole wall 311' of the through hole is designed to be thin, for example, a sheet metal with a thickness of only 0.10mm, the bonding of the joint glue 42' to the hole wall 311' of the through hole becomes extremely difficult, thereby forming a potential light leakage gap.

[0005] Currently, in order to solve the light leakage problem caused by the light leakage gaps as described above, and the light leakage problem in the gaps enclosed by the opening glue 42 ′, the first polarizer 2 ′ and the liquid crystal cell 1 ′, a common solution is to block these gaps by applying glue.

[0006] However, the glue coating method has the disadvantages of low efficiency and high cost in practical applications. The glue coating process requires precise control to avoid adverse effects on other parts of the display. At the same time, the glue curing time and processing process also increase the overall production cycle and cost. Utility Model Content

[0007] The purpose of the utility model is to provide a display device to solve the problems of low efficiency and high cost in the prior art of using glue coating to improve the light leakage problem caused when a camera is installed on a backlight assembly.

[0008] In order to achieve the above-mentioned object of the present invention, an embodiment of the present invention provides a display device, which includes:

[0009] A liquid crystal box, the liquid crystal box comprising a light-transmitting area for allowing light required by the electronic device to pass through; the liquid crystal box comprising a first surface disposed toward the backlight module;

[0010] a first polarizer disposed on the first surface, wherein the first polarizer is provided with a first opening, and an orthographic projection of the light-transmitting area on the first surface is located within an orthographic projection of a hole wall of the first opening on the first surface;

[0011] a backlight module, disposed on one side of the first polarizer, the backlight module comprising a through hole, the through hole being disposed corresponding to the light-transmitting area;

[0012] And a first light-shielding member, the first light-shielding member includes the hole wall of the through hole, the opening glue and the light-shielding double-sided tape, the hole wall of the through hole is set as a light-shielding structure, the opening glue is set around the through hole on the end face of the hole wall of the through hole and is connected to the side of the first opening facing away from the first surface, the light-shielding double-sided tape is set around the through hole and is connected between the opening glue and the first surface to prevent light leakage, and the orthographic projection of the light-shielding double-sided tape on the first surface is located at the periphery of the orthographic projection of the light-transmitting area on the first surface.

[0013] As a further improvement of one embodiment of the present invention, the hole wall of the through hole includes a hole wall body and a plastic sleeve, the plastic sleeve is arranged on one end of the hole wall body close to the opening glue, and the opening glue is adhered to the end face of the plastic sleeve.

[0014] As a further improvement of an embodiment of the present invention, the plastic sleeve is configured as an injection-molded structure formed on the hole wall body.

[0015] As a further improvement of an embodiment of the present invention, the hole wall body is configured to be bent by sheet metal.

[0016] As a further improvement of an embodiment of the present invention, the display device also includes a second polarizer, the liquid crystal box includes a second surface set towards the user, the second polarizer is set on the second surface, a second opening is provided on the second polarizer, and the orthographic projection of the light-transmitting area on the second surface is located within the orthographic projection of the hole wall of the second opening on the second surface.

[0017] As a further improvement of an embodiment of the present invention, the display device also includes a second light-shielding member, which is arranged around the light-transmitting area between the first polarizer and the second polarizer, and the inner side of the positive projection of the second light-shielding member on the first surface is located within the inner side of the positive projection of the light-shielding double-sided tape on the first surface.

[0018] As a further improvement of an embodiment of the present invention, the liquid crystal box includes a color filter substrate, an array substrate and liquid crystal arranged relatively to each other, the side of the array substrate facing away from the color filter substrate is set as the first surface, and the side of the color filter substrate facing away from the array substrate is set as the second surface, the array substrate has a third surface arranged away from the first surface, and a light-shielding wall is arranged on the third surface around the light-shielding area, the light-shielding wall is in contact with the color filter substrate and forms the second light-shielding member, and the liquid crystal is arranged between the color filter substrate and the array substrate and is located outside the space enclosed by the light-shielding wall.

[0019] As a further improvement of an embodiment of the present invention, the display device further includes a cover plate disposed on the second polarizer, and the cover plate is connected to the second polarizer via optical adhesive.

[0020] As a further improvement of an embodiment of the present invention, the through hole, the light-transmitting area, the cut glue and the light-shielding double-sided tape are all coaxially arranged.

[0021] As a further improvement of an embodiment of the present invention, there is a predetermined distance between the orthographic projection of the light-shielding double-sided tape on the first surface and the orthographic projection of the light-transmitting area on the first surface.

[0022] Compared with the prior art, the beneficial effects of the present invention are:

[0023] The light-shielding double-sided tape is connected to the opening glue to prevent light leakage. The light-shielding double-sided tape is also connected to the first surface to prevent light leakage, thereby replacing the gluing method to solve the light leakage problem, improving the working efficiency and reducing the manufacturing cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic diagram of a partial structure of a display device in the prior art;

[0025] Figure 2 A schematic diagram of a partial structure of a display device provided in one embodiment of the present utility model;

[0026] Figure 3 for Figure 2 Schematic diagram of the structure of the liquid crystal cell;

[0027] Figure 4 This is an enlarged view of point M in 2;

[0028] Figure 5 for Figure 2 Schematic diagram of the structure when the middle light-shielding double-sided tape is set on the opening glue;

[0029] Figure 6 for Figure 5 Schematic diagram of the cross-sectional structure in the AA direction.

[0030] The above description of the drawings includes the following reference numerals:

[0031] 1', liquid crystal cell;

[0032] 2', first polarizer;

[0033] 3', backlight assembly;

[0034] 31', through hole;

[0035] 311', hole wall;

[0036] 42', mouth glue;

[0037] 1. Liquid crystal box;

[0038] 11. Light-transmitting area;

[0039] 12. Array substrate;

[0040] 121. first surface;

[0041] 122. Second light shielding member;

[0042] 13. Color film substrate;

[0043] 131. Second Surface

[0044] 14. LCD;

[0045] 2. The first polarizer;

[0046] 21. First opening;

[0047] 3. Backlight module;

[0048] 31. Through hole;

[0049] 4. a first light shielding member;

[0050] 41. Hole wall;

[0051] 411, hole wall body;

[0052] 412, plastic sleeve;

[0053] 42. Mouth glue;

[0054] 43. Light-blocking double-sided tape;

[0055] 5. Second polarizer;

[0056] 51. Second opening;

[0057] 7. Cover plate;

[0058] 8. Optical glue. DETAILED DESCRIPTION

[0059] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments in this application can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0060] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by ordinary technicians in the technical field to which this application belongs.

[0061] In the present invention, unless otherwise specified, directional words such as "up, down, top, bottom" are usually used with reference to the directions shown in the drawings, or with reference to the components themselves in the vertical, perpendicular or gravity direction; similarly, for ease of understanding and description, "inside and outside" refer to the inside and outside relative to the outline of each component itself, but the above directional words are not used to limit the present invention.

[0062] In order to solve the problem of light leakage caused by installing a camera on a backlight assembly by coating glue in the prior art, there are problems of low efficiency and high cost.

[0063] The present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments.

[0064] like Figure 2-6 As shown, an embodiment of the present invention provides a display device, which includes a liquid crystal cell 1 , a first polarizer 2 , a backlight module 3 and a first light shielding member 4 .

[0065] The liquid crystal cell 1 includes a light-transmitting area 11 for allowing light required by the electronic device to pass through. The liquid crystal cell 1 includes a first surface 121 disposed toward the backlight module 3 .

[0066] The first polarizer 2 is arranged on the first surface 121, and a first opening 21 is provided on the first polarizer 2. The orthographic projection of the light-transmitting area 11 on the first surface 121 is located within the orthographic projection of the hole wall of the first opening 21 on the first surface 121. In this arrangement, the light generated by the backlight assembly 3 can enter the light-transmitting area 11 through the first opening 21.

[0067] The backlight module 3 is disposed on one side of the first polarizer 2 . The backlight module 3 includes a through hole 31 . The through hole 31 is disposed corresponding to the light-transmitting area 11 .

[0068] The first light-shielding component 4 includes a hole wall 41 of the through hole 31, a cut glue 42 and a light-shielding double-sided tape 43. The hole wall 41 of the through hole is set as a light-shielding structure. The cut glue 42 is arranged around the through hole 31 on the end face of the hole wall 41 of the through hole and is connected to the side of the first opening 21 facing away from the first surface 121. The light-shielding double-sided tape 43 is arranged around the through hole 31 and is connected between the cut glue 42 and the first surface 121 to prevent light leakage. The orthographic projection of the light-shielding double-sided tape 43 on the first surface 121 is located at the periphery of the orthographic projection of the light-transmitting area 11 on the first surface 121.

[0069] With such a configuration, the light-shielding double-sided tape 43 is connected to the opening glue 42 to prevent light leakage. The light-shielding double-sided tape 43 is also connected to the first surface 121 to prevent light leakage, thereby replacing the gluing method to solve the light leakage problem, improving the working efficiency and reducing the manufacturing cost.

[0070] Further references Figure 2 As shown, the hole wall 41 of the through hole is configured to be a light leakage prevention structure, specifically, including a hole wall body 411 and a plastic sleeve 412. This design structure can further enhance the adhesion effect between the hole wall 41 and the opening glue 42, as well as the light leakage prevention performance after bonding with the opening glue 42.

[0071] Specifically, the plastic sleeve 412 is sleeved on one end of the hole wall body 411 close to the opening glue 42 , and such a configuration forms a tight fit between the plastic sleeve 412 and the hole wall body 411 .

[0072] Furthermore, the cutout glue 42 is attached to the end surface of the plastic sleeve 412. Due to the material properties of the plastic sleeve 412, its end surface can provide a smoother and more consistent adhesive surface, thereby allowing the cutout glue 42 to better and more tightly adhere to the end surface of the plastic sleeve 412. This attachment method not only enhances the firmness of the attachment, but also effectively avoids light leakage caused by loose attachment, further improving the overall performance and reliability of the display device.

[0073] Preferably, the plastic sleeve 412 is integrally formed with the hole wall body 411 through an injection molding process to form a stable injection molding structure, which not only enhances the structural strength but also simplifies the assembly process and improves production efficiency.

[0074] It should be noted that the plastic sleeve 412 is made of light-shielding material and is formed by an injection molding process, so it can achieve a good light-shielding effect.

[0075] Furthermore, the hole wall body 411 can be made of sheet metal material and formed into a desired shape through a bending process. This structure not only ensures the stability of the hole wall, but also facilitates close integration with the plastic sleeve 412 to achieve a good shading effect.

[0076] Still refer to Figure 2 In order to achieve the best display, the display device further includes a second polarizer 5. The arrangement of this component further improves the optical performance of the display device.

[0077] Specifically, the liquid crystal cell 1 also includes a second surface 131 positioned toward the user, meaning that the user's line of sight primarily passes through this surface when viewing the display device. A second polarizer 5 is meticulously positioned on the second surface 131. Its primary function is to adjust the polarization state of light to optimize the display effect. The second polarizer 5 is specifically provided with a second opening 51, designed to ensure that light within the light-transmitting region 11 can be smoothly transmitted. To ensure that light from the light-transmitting region 11 can accurately transmit through the second opening 51, the orthographic projection of the light-transmitting region 11 on the second surface 131 is precisely positioned within the orthographic projection of the wall of the second opening 51 on the second surface 131. This layout ensures display clarity while avoiding light waste.

[0078] Furthermore, the display device also includes a second shading member 122, which is arranged around the light-transmitting area 11 between the first polarizer 2 and the second polarizer 5. Its main function is to prevent light in the light-transmitting area 11 from leaking when passing through the second polarizer 5.

[0079] Further, refer to Figure 4 As shown, the inner side of the orthographic projection of the second shading member 122 on the first surface 121 is completely located within the inner side of the orthographic projection of the shading double-sided tape 43 on the first surface 121. This layout further enhances the anti-light leakage effect and improves the overall display quality.

[0080] Then turn Figure 3 As shown, the liquid crystal cell 1 is primarily composed of a color filter substrate 13, an array substrate 12, and liquid crystals 14. The surface of the array substrate 12 facing away from the color filter substrate 13 is defined as a first surface 121, while the surface of the color filter substrate 13 facing away from the array substrate 12 is defined as a second surface 131. This structure enables the liquid crystal cell 1 to effectively control the passage of light, thereby achieving high-quality display effects.

[0081] Further, refer to Figure 3 As shown, the array substrate 12 has a third surface arranged back to the first surface 121, and a light-shielding wall is arranged on the third surface around the light-shielding area 11. The light-shielding wall is in contact with the color film substrate 13 and forms the second light-shielding member 122. The liquid crystal 14 is arranged between the color film substrate 13 and the array substrate 12 and is located outside the space enclosed by the light-shielding wall.

[0082] In this embodiment, it can also be understood that the space enclosed by the light-shielding walls forms a portion of the light-transmitting area 11. During the formation of the liquid crystal cell 1, the liquid crystals 14 are first arranged on the third surface and outside the light-shielding walls. Then, the array substrate 12 and the color filter substrate 13 are spliced ​​together. After splicing, the light-shielding walls are in contact with the color filter substrate. This arrangement ensures that there is no liquid crystal in the space enclosed by the light-shielding walls between the array substrate 12 and the color filter substrate 13, thereby ensuring that light can smoothly pass through the light-transmitting area 11.

[0083] Furthermore, the display device includes a cover plate 7, which is carefully placed on the second polarizer 5. To ensure a close fit between the cover plate 7 and the second polarizer 5 and good optical performance, the cover plate 7 is firmly connected to the second polarizer 5 via a specialized optical adhesive 8. This design not only enhances the structural stability of the display device but also optimizes the display effect.

[0084] refer to Figure 5-6 As shown, Figure 5 The schematic diagram of the structure of the light-shielding double-sided tape 43 provided on the opening glue 42 is shown. Figure 6 Shown Figure 5 Preferably, the cut glue 42 and the light-shielding double-sided adhesive tape 43 are coaxially arranged.

[0085] Furthermore, the through hole 31 and the light-transmitting area 11 are also coaxially arranged with the cut glue 42 and the double-sided tape 43, thereby ensuring that the light generated by the backlight module 3 can accurately pass through the cut glue 42, the light-shielding double-sided tape 43 and the light-transmitting area 11 in sequence, thereby improving the light transmission efficiency and display effect of the display device.

[0086] Next, turn Figure 4 For the best display, there is a predetermined distance between the orthographic projection of the light-shielding double-sided tape 43 on the first surface 121 and the orthographic projection of the light-transmitting area 11 on the first surface 121. That is, Figure 4 Such a configuration can ensure that the light-shielding double-sided tape 43 can effectively prevent light leakage while not hindering normal light transmission in the light-transmitting area 11.

[0087] In summary, the embodiments of the present invention achieve the following technical effects:

[0088] The light-shielding double-sided tape 43 is connected to the opening glue 42 to prevent light leakage. The light-shielding double-sided tape 43 is also connected to the first surface 121 to prevent light leakage, thereby replacing the gluing method to solve the light leakage problem, improving the working efficiency and reducing the manufacturing cost.

[0089] Obviously, the embodiments described above are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present invention.

[0090] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, they indicate the presence of features, steps, tasks, devices, components and / or combinations thereof.

[0091] It should be noted that the terms "first," "second," and the like in the specification and claims of this application and the accompanying drawings are used to distinguish similar objects and are not necessarily used to describe a specific order or precedence. It should be understood that the terms used in this manner are interchangeable where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than that illustrated or described herein.

[0092] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that the present invention is susceptible to various modifications and variations. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A display device, characterized in that: include: A liquid crystal box, the liquid crystal box comprising a light-transmitting area for allowing light required by the electronic device to pass through; the liquid crystal box comprising a first surface disposed toward the backlight module; a first polarizer disposed on the first surface, wherein the first polarizer is provided with a first opening, and an orthographic projection of the light-transmitting area on the first surface is located within an orthographic projection of a hole wall of the first opening on the first surface; a backlight module, disposed on one side of the first polarizer, the backlight module comprising a through hole, the through hole being disposed corresponding to the light-transmitting area; And a first light-shielding member, the first light-shielding member includes the hole wall of the through hole, the opening glue and the light-shielding double-sided tape, the hole wall of the through hole is set as a light-shielding structure, the opening glue is set around the through hole on the end face of the hole wall of the through hole and is connected to the side of the first opening facing away from the first surface, the light-shielding double-sided tape is set around the through hole and is connected between the opening glue and the first surface to prevent light leakage, and the orthographic projection of the light-shielding double-sided tape on the first surface is located at the periphery of the orthographic projection of the light-transmitting area on the first surface.

2. The display device according to claim 1, wherein The hole wall of the through hole includes a hole wall body and a plastic sleeve. The plastic sleeve is arranged on one end of the hole wall body close to the opening glue, and the opening glue is adhered to the end surface of the plastic sleeve.

3. The display device according to claim 2, wherein: The plastic sleeve is configured as an injection-molded structure formed on the hole wall body.

4. The display device according to claim 2, wherein: The hole wall body is configured to be bent by sheet metal.

5. The display device according to claim 1, wherein The display device also includes a second polarizer, the liquid crystal box includes a second surface set towards the user, the second polarizer is set on the second surface, a second opening is provided on the second polarizer, and the orthographic projection of the light-transmitting area on the second surface is located within the orthographic projection of the hole wall of the second opening on the second surface.

6. The display device according to claim 5, wherein: The display device also includes a second light-shielding member, which is arranged between the first polarizer and the second polarizer around the light-transmitting area, and the inner side of the orthographic projection of the second light-shielding member on the first surface is located within the inner side of the orthographic projection of the light-shielding double-sided tape on the first surface.

7. The display device according to claim 6, wherein: The liquid crystal box includes a color filter substrate, an array substrate and liquid crystal arranged opposite to each other. The side of the array substrate facing away from the color filter substrate is set as the first surface, and the side of the color filter substrate facing away from the array substrate is set as the second surface. The array substrate has a third surface arranged away from the first surface. A light-shielding wall is arranged on the third surface around the light-shielding area. The light-shielding wall is in contact with the color filter substrate and forms the second light-shielding member. The liquid crystal is arranged between the color filter substrate and the array substrate and is located outside the space enclosed by the light-shielding wall.

8. The display device according to claim 7, wherein: The display device further includes a cover plate disposed on the second polarizer, and the cover plate is connected to the second polarizer via optical adhesive.

9. The display device according to claim 1, wherein The through hole, the light-transmitting area, the cut glue and the light-shielding double-sided adhesive tape are all coaxially arranged.

10. The display device according to claim 1, wherein There is a predetermined distance between the orthographic projection of the light-shielding double-sided tape on the first surface and the orthographic projection of the light-transmitting area on the first surface.

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