Display module and display device

Abstract

The embodiment of the utility model provides a display module and a display device. The display module comprises a display area and a non-display area located on at least one side of the display area, and the display module comprises a backlight module and a display module, the optical film group is positioned on the light emitting side of the backlight module; the rubber frame is arranged around the backlight module and the optical film set, and a preset gap is formed between the rubber frame and the optical film set; the display panel is located on the side, away from the backlight module, of the optical film set; the atomization function piece is located in the non-display area and located between the optical film set and the display panel, the first part, close to the display area, of the atomization function piece is attached to the surface of the optical film set, and the second part, away from the display area, of the atomization function piece is attached to the surface of the rubber frame. According to the technical scheme, the problem of side bright lines can be effectively solved, and incomplete picture display is avoided.

Description

Technical Field

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

[0002] With the development of liquid crystal display technology, liquid crystal display products tend to have narrow bezels. Liquid crystal display products with narrow bezels are prone to side bright lines. Although there are many related solutions in the existing technology, the side bright line problem cannot be avoided after product assembly and transportation. Utility Model Content

[0003] The embodiments of the present disclosure provide a display module and a display device to solve or alleviate one or more technical problems in the prior art.

[0004] As a first aspect of an embodiment of the present disclosure, an embodiment of the present disclosure provides a display module, including a display area and a non-display area located on at least one side of the display area, the display module including:

[0005] Backlight module;

[0006] The optical film group is located on the light-emitting side of the backlight module;

[0007] A plastic frame is arranged around the backlight module and the optical film group, with a preset gap being set between the plastic frame and the optical film group;

[0008] The display panel is located on a side of the optical film assembly away from the backlight module;

[0009] The atomizing functional sheet is located in the non-display area and between the optical film group and the display panel. The first portion of the atomizing functional sheet close to the display area is attached to the surface of the optical film group, and the second portion of the atomizing functional sheet away from the display area is attached to the surface of the rubber frame.

[0010] In some embodiments, the second portion of the atomizing sheet is attached between the plastic frame and the display panel.

[0011] In some embodiments, a distance between a boundary of the first portion close to the display area and a boundary of the display area is greater than or equal to 0.5 mm.

[0012] In some embodiments, the width of the first portion is greater than or equal to 0.5 mm.

[0013] In some embodiments, the non-display area is arranged around the display area, and the atomization functional sheet is arranged around the display area in the non-display area.

[0014] In some embodiments,

[0015] The atomizing functional sheet includes a diffusion sheet; or,

[0016] The atomizing functional sheet comprises a transparent body, and at least one side surface of the transparent body is a frosted surface.

[0017] In some embodiments, the transparent body is made of polyethylene terephthalate.

[0018] In some embodiments, the haze of the atomizing functional sheet ranges from 60% to 90%.

[0019] As a second aspect of an embodiment of the present disclosure, an embodiment of the present disclosure provides a display device, comprising the display module of any one of the present disclosures, and further comprising a back panel, wherein the back panel is provided with a receiving cavity, and the display module is located in the receiving cavity.

[0020] In some embodiments, a fixing tape is further included, and the fixing tape extends from the outer surface of the back plate to the surface of the display panel on the side away from the backlight module.

[0021] The technical solution of the disclosed embodiment is to provide an atomizing functional sheet, and attach the first portion of the atomizing functional sheet to the surface of the optical film assembly, and the second portion to the surface of the plastic frame, so that the portion of the atomizing functional sheet located between the first and second portions can correspond to a preset gap. Therefore, when viewing from the display side of the display module, the blocking portion of the atomizing functional sheet can block the preset gap, atomizing the bright line leaking out of the preset gap, reducing the brightness of the light leaking out of the preset gap, and improving the side bright line problem of the display module. In addition, the blocking portion of the atomizing functional sheet only atomizes the light rather than completely blocking it. Therefore, the blocking portion of the atomizing functional sheet does not block the light in the display area, avoiding incomplete image display.

[0022] The above summary is for illustrative purposes only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments and features described above, further aspects, embodiments and features of the present disclosure will be readily apparent by reference to the accompanying drawings and the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In the accompanying drawings, unless otherwise specified, the same reference numerals throughout the multiple drawings represent the same or similar components or elements. These drawings are not necessarily drawn to scale. It should be understood that these drawings only depict some embodiments according to the present disclosure and should not be regarded as limiting the scope of the present disclosure.

[0024] Figure 1 A schematic diagram of the cross-sectional structure of a liquid crystal display module in a related art;

[0025] Figure 2 is a schematic diagram of the cross-sectional structure of a liquid crystal display module in another related technology;

[0026] Figure 3Schematic diagram of the structure of a display module in one embodiment of the present disclosure;

[0027] Figure 4 FIG. 1 is a plan view of a display module according to an embodiment of the present disclosure.

[0028] Description of reference numerals:

[0029] 11. Backlight module; 12. Optical film group; 121. First diffuser; 122. First prism; 123. Second prism; 124. Second diffuser; 13. Frame; 14. Display panel; 141. Array substrate; 142. Color filter substrate; 143. First polarizer; 144. Second polarizer; 15. Atomizer; 151. First part; 152. Second part; 153. Shielding part; 16. Back panel; 17. Fixing tape. DETAILED DESCRIPTION

[0030] In the following, only certain exemplary embodiments are briefly described. As will be appreciated by those skilled in the art, the described embodiments may be modified in various ways without departing from the spirit or scope of the present disclosure, and different embodiments may be combined in any manner without conflict. Therefore, the drawings and description are to be regarded as illustrative in nature and not restrictive.

[0031] Figure 1 FIG. 1 is a schematic diagram of a cross-sectional structure of a liquid crystal display module in a related art. Figure 1 As shown, the liquid crystal display module may include a backlight module 11, an optical film group 12, a plastic frame 13 and a display panel 14. The optical film group 12 is located on the light-emitting side of the backlight module 11. The plastic frame 13 is arranged around the backlight module 11 and the optical film group 12. The display panel 14 is located on the side of the optical film group 12 away from the backlight module 11. The backlight module 11 provides a light source for the display panel 14. The backlight module 11 generates heat in the process of providing light source, causing the temperature of the optical film group 12 to rise. The optical film group 12 will expand after the temperature rises. In order to prevent the expansion of the optical film group 12 from causing interference between the optical film and the plastic frame 13, and then causing wrinkles in the optical film to affect the quality of the liquid crystal display module, it is necessary to reserve a preset gap d1 between the plastic frame 13 and the optical film group 12.

[0032] When a preset gap d1 is reserved between the plastic frame 13 and the optical film assembly 12 , light will leak from the preset gap, causing a side bright line problem on the display module.

[0033] Figure 2 FIG. 1 is a schematic diagram of a cross-sectional structure of a liquid crystal display module in another related art. Figure 2 As shown, compared to Figure 1In order to improve the side connection problem of the display module, a black light-shielding tape 200 is set between the plastic frame 13 and the optical film group 12. The light-shielding tape 200 extends from the surface of the plastic frame 13 to the surface of the optical film group 12 and is attached to the surface of the optical film group 12. Thus, the light-shielding tape 200 can block the preset gap to prevent light from leaking from the preset gap, thereby improving the side bright line problem. However, if the attachment width W1 of the light-shielding tape 200 on the surface of the optical film group 12 is narrow (less than 0.5mm), it is easy to cause the optical film to jump off during the assembly and transportation process, and then the light-shielding tape 200 cannot completely block the preset gap, and cannot effectively improve the side bright line problem. If the attachment width W1 of the light-shielding tape 200 on the surface of the optical film group 12 increases, it will cause the light-shielding tape 200 to be too close to the boundary of the display area AA, and then cause the light-shielding tape 200 to block the display light, resulting in incomplete display of the picture. Figure 2 When the human eye 100 views the display image, the light shielding tape 200 blocks the display light because it is too close to the boundary of the display area AA, so that the image viewed by the human eye 100 is incomplete.

[0034] Figure 3 FIG. 1 is a schematic diagram of the structure of a display module in an embodiment of the present disclosure. Figure 3 As shown, the display module may include a display area AA and a non-display area VA located on at least one side of the display area AA. The display module includes a backlight module 11, an optical film group 12, a plastic frame 13 and a display panel 14. The optical film group 12 is located on the light-emitting side of the backlight module 11. Figure 3 In the embodiment, the light emitting side of the backlight module 11 is the upper side of the backlight module 11, so the optical film assembly 12 is located on the upper side of the backlight module 11. The optical film assembly 12 may include a first diffuser 121, a first prism sheet 122, a second prism sheet 123, and a second diffuser 124 stacked in sequence.

[0035] like Figure 3 As shown, the plastic frame 13 is disposed around the backlight module 11 and the optical film assembly 12. A preset gap d2 is provided between the plastic frame 13 and the optical film assembly 12. As the optical film assembly 12 heats up, it expands. By providing the preset gap d2, interference between the expanded optical film assembly 12 and the plastic frame 13 is prevented, thereby preventing wrinkles in the optical film assembly that could affect the quality of the LCD module.

[0036] The display panel 14 is located on the side of the optical film assembly 12 facing away from the backlight module 11 . The plastic frame 13 is located on the side of the display panel 14 facing the optical film assembly 12 , that is, the plastic frame 13 and the optical film assembly 12 are located on the same side of the display panel 14 .

[0037] The display module also includes an atomization function sheet 15, such as Figure 3As shown, the atomizing sheet 15 is located between the non-display area VA and the display area AA, and is located between the optical film assembly 12 and the display panel 14. A first portion 151 of the atomizing sheet 15, which is close to the display area AA, is attached to the surface of the optical film assembly 12, while a second portion 152 of the atomizing sheet 15, which is away from the display area AA, is attached to the surface of the plastic frame 13.

[0038] The atomizing functional sheet 15 is a film sheet with an atomizing function, which can atomize light and reduce the average brightness of the light.

[0039] The display module of the disclosed embodiment is provided with an atomizing functional sheet 15, and the first portion 151 of the atomizing functional sheet 15 is attached to the surface of the optical film assembly 12, and the second portion 152 is attached to the surface of the plastic frame 13, so that the blocking portion 152 of the atomizing functional sheet 15 located between the first portion 151 and the second portion 152 can correspond to the preset gap. Therefore, when viewed from the display side of the display module, the blocking portion 152 of the atomizing functional sheet 15 can block the preset gap, atomize the bright line leaking from the preset gap, reduce the brightness of the light leaking from the preset gap, and improve the side bright line problem of the display module. In addition, the blocking portion 152 of the atomizing functional sheet 15 only atomizes the light rather than completely blocking it. Therefore, the blocking portion 152 of the atomizing functional sheet 15 will not block the light in the display area AA, avoiding incomplete display of the picture.

[0040] The first portion 151 of the atomizing functional sheet 15 can be attached to the surface of the optical film assembly 12 facing the display panel 14, such as Figure 3 shown.

[0041] The second portion 152 of the atomizing functional sheet 15 can be attached to the surface of the plastic frame 13 facing the optical film assembly 12, for example, Figure 3 The second portion 152 of the atomizing functional sheet 15 can be attached to the left surface of the plastic frame 13 .

[0042] In one embodiment, Figure 3 As shown, the second portion 152 of the atomizing functional sheet 15 is attached between the plastic frame 13 and the display panel 14. For example, the lower surface of the second portion 152 can be attached to the surface of the plastic frame 13, and the upper surface of the second portion 152 can be attached to the surface of the display panel 14. This can improve the firmness of the atomizing functional sheet 15 and prevent the atomizing functional sheet 15 from falling off during transportation.

[0043] like Figure 3 As shown, the boundary of the first portion 151 of the atomizing functional sheet 15 close to the display area AA (ie Figure 3The distance d3 between the left edge of the first portion 151 (in the figure) and the edge of the display area AA can be greater than or equal to 0.5 mm. For example, the distance d3 can be 0.5 mm, 0.6 mm, or 0.7 mm. Thus, when the human eye 100 views the display image from the display side of the display module, the atomizing functional sheet 15 does not block the display light, thereby ensuring the integrity of the display image and improving the display quality.

[0044] In one embodiment, the width W2 of the first portion 151 can be greater than or equal to 0.5 mm. This can prevent the optical film from jumping out of the atomizing functional sheet 15 during assembly and transportation, ensure that the atomizing functional sheet 15 can cover the preset gap, and ensure that the atomizing functional sheet 15 has an atomizing effect on the light leaking out of the preset gap, effectively improving the side bright line problem.

[0045] To increase the adhesion strength between the first portion 151 and the optical film assembly 12, the width W2 of the first portion 151 can be set to be greater than 0.5 mm. Increasing the width W2 of the first portion 151 will reduce the distance d3. For example, the width W2 of the first portion 151 can be 0.6 mm or 0.7 mm. Because the atomizing functional sheet 15 only atomizes light and does not block it, even if the width W2 of the first portion 151 of the atomizing functional sheet 15 attached to the surface of the optical film assembly 12 is increased, the atomizing functional sheet 15 will not block the light in the display area AA, and will not cause an incomplete display image.

[0046] Figure 4 is a plan view of a display module in one embodiment of the present disclosure. Figure 4 The figure shows the inner boundary 13a of the plastic frame 13, the outer boundary 12a of the optical film assembly 12, and the inner boundary 15a of the atomizing functional sheet 15. The non-display area VA and the display area AA surround the display area AA. The plastic frame 13 is arranged around the optical film assembly 12, and a preset gap is provided around the optical film assembly 12. To prevent light leakage from the periphery of the display module, which causes bright lines around the periphery, the atomizing functional sheet 15 is arranged around the display area AA in the non-display area VA and the display area AA. Thus, the atomizing functional sheet 15 can cover the preset gaps set along the circumference of the display area AA, atomizing light that leaks out of the preset gaps, thereby improving the bright line problem.

[0047] In one embodiment, the atomizing functional sheet 15 includes a diffusion sheet, which has a good function of atomizing light without blocking the light.

[0048] In another embodiment, the atomizing functional sheet 15 may include a transparent body, at least one side of which is a frosted surface. The transparent body with at least one frosted surface has the function of atomizing light, atomizing the light without blocking it. The material of the transparent body may include a transparent material such as polyethylene terephthalate (PET), acrylic, or glass. If one or both sides of the transparent body are made into a frosted surface, it can serve as the atomizing functional sheet 15.

[0049] The thickness of the atomizing functional sheet 15 ranges from 0.05 mm to 0.15 mm. For example, the thickness of the atomizing functional sheet 15 can be 0.05 mm, 0.1 mm, or 0.15 mm.

[0050] To ensure the atomization effect of the atomization functional sheet 15, the haze value of the atomization functional sheet 15 is within the range of 60% to 90%. For example, the haze of the atomization functional sheet 15 can be 60%, 70%, 80% or 90%. Such an atomization functional sheet 15 has a good atomization effect, making the brightness of the atomized light close to the brightness of the display area AA, effectively solving the side bright line problem.

[0051] like Figure 3 As shown, the display panel 14 may be a liquid crystal display panel 14. The display panel 14 may include an array substrate 141 and a color filter substrate 142. A first polarizer 143 may be provided on the side of the display panel 14 facing the optical film assembly 12, and a second polarizer 144 may be provided on the side of the display panel 14 facing away from the optical film assembly 12. A light shielding layer may be provided between the array substrate 141 and the color filter substrate 142, located between the non-display area VA and the display area AA.

[0052] For example, the backlight module 11 may include a light source (not shown) and a light guide plate. A reflector may be provided on the side of the light guide plate facing away from the optical film barrier to reflect light emitted from the lower side of the light guide plate back to the light guide plate, thereby improving light utilization.

[0053] The present disclosure also provides a display device, referring to Figure 3 The display device may include the display module in the embodiment of the present disclosure, and may further include a back plate 16. The back plate 16 is provided with an accommodating cavity, and the display module may be located in the accommodating cavity.

[0054] The display device may further include a fixing tape 17, which extends from the outer surface of the back plate 16 to the surface of the display panel 14 on the side away from the backlight module 11. Figure 3As shown, the upper part of the fixing tape 17 is attached to the upper surface of the color film substrate 142, the lower part of the fixing tape 17 is attached to the lower surface of the back panel 16, and the middle part of the fixing tape 17 is attached to the side surface of the back panel 16, so that the display module and the back panel 16 are fixedly connected by the fixing tape 17.

[0055] The display device provided by the present disclosure can be any product or component with a display function, such as a mobile phone, a tablet computer, a television, a monitor, a laptop computer, a digital photo frame, a navigator, or the like.

[0056] In the description of this specification, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "circumferential", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present disclosure and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present disclosure.

[0057] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features being referred to. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of such features. Throughout the present disclosure, "plurality" means two or more, unless otherwise specifically defined.

[0058] In this disclosure, unless otherwise expressly specified or limited, terms such as "mounted," "connected," "connect," and "fixed" should be understood broadly. For example, they may refer to fixed connections, detachable connections, or integration; mechanical connections, electrical connections, or communication; direct connections or indirect connections through an intermediate medium; and internal connections between two components or interactions between two components. Those skilled in the art will understand the specific meanings of these terms in this disclosure based on specific circumstances.

[0059] In the present disclosure, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Moreover, a first feature being "above," "above," and "above" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0060] The disclosure above provides many different embodiments or examples for implementing different structures of the present disclosure. In order to simplify the present disclosure, the components and settings of specific examples are described above. Of course, these are merely examples and are not intended to limit the present disclosure. In addition, the present disclosure may repeat reference numbers and / or reference letters in different examples. Such repetition is for the purpose of simplicity and clarity and does not in itself indicate the relationship between the various embodiments and / or settings discussed.

[0061] The above are only specific embodiments of the present disclosure, but the scope of protection of the present disclosure is not limited thereto. Any person skilled in the art can easily conceive of various changes or substitutions within the technical scope disclosed in this disclosure. Different parts of different embodiments can be combined with each other without conflict, and all of these should be included in the scope of protection of this disclosure. Therefore, the scope of protection of the present disclosure should be based on the scope of protection of the claims.

Claims

1. A display module, characterized in that: The display module comprises a display area and a non-display area located on at least one side of the display area, and the display module comprises: Backlight module; An optical film group, located on the light-emitting side of the backlight module; A plastic frame is arranged around the backlight module and the optical film group, with a preset gap being set between the plastic frame and the optical film group; A display panel is located on a side of the optical film assembly away from the backlight module; The atomizing functional sheet is located in the non-display area and between the optical film group and the display panel. The first portion of the atomizing functional sheet close to the display area is attached to the surface of the optical film group, and the second portion of the atomizing functional sheet away from the display area is attached to the surface of the rubber frame.

2. The display module according to claim 1, wherein: The second portion of the atomizing functional sheet is attached between the plastic frame and the display panel.

3. The display module according to claim 1, wherein: A distance between a boundary of the first portion close to the display area and a boundary of the display area is greater than or equal to 0.5 mm.

4. The display module according to claim 1, wherein: The width of the first portion is greater than or equal to 0.5 mm.

5. The display module according to claim 1, wherein: The non-display area is arranged around the display area, and the atomization functional sheet is arranged around the display area in the non-display area.

6. The display module according to claim 1, wherein: The atomizing functional sheet includes a diffusion sheet; or, The atomizing functional sheet includes a transparent body, and at least one side surface of the transparent body is a frosted surface.

7. The display module according to claim 6, wherein: The material of the transparent body includes polyethylene terephthalate.

8. The display module according to claim 6, wherein: The haze value of the atomizing functional sheet ranges from 60% to 90%.

9. A display device, characterized in that: The display module according to any one of claims 1 to 8 further comprises a back plate, wherein the back plate is provided with a receiving cavity, and the display module is located in the receiving cavity.

10. The display device according to claim 9, wherein: The invention also includes a fixing tape, wherein the fixing tape extends from the outer surface of the back plate to the surface of the display panel on the side away from the backlight module.

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