Backlight membrane discharging structure

Abstract

The utility model relates to a backlight diaphragm discharging structure. The backlight membrane discharging structure comprises an assembly line and a backlight membrane, and the assembly line moves in the first direction; the backlight membrane is arranged on the assembly line, the first side edge of the backlight membrane is perpendicular to the first direction, the second side edge of the backlight membrane is parallel to the first direction, and the length of the first side edge of the backlight membrane is larger than that of the second side edge of the backlight membrane. According to the scheme, by changing the discharging direction of the backlight membrane, the phenomenon of membrane wrinkling after high-temperature expansion of the backlight membrane or the problem of light leakage caused by the fact that the backlight membrane shrinks at low temperature and enters a visual area can be prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of display screens, in particular to a backlight film sheet discharging structure. Background Art

[0002] At present, with the increasing size of in-vehicle screens and the narrowing of the frames, the requirements for in-vehicle backlights are becoming more and more stringent. In particular, the design requirements for backlight film sheets are higher. The larger the size, the larger the high-temperature expansion size of the film sheet and the larger the low-temperature shrinkage size of the film sheet. Coupled with the narrow frame, the film sheet is particularly prone to problems such as uneven display caused by high-temperature expansion film wrinkles and light leakage caused by low-temperature shrinkage entering the viewing area.

[0003] In the related art, the backlight film sheet is assembled on the backlight through an automatic device, and its incoming material method is: the long side of the film sheet is consistent with the winding direction of the reel, and then the automatic device directly clamps and assembles it onto the backlight. However, this assembly method is likely to cause the phenomenon of film wrinkles after the film sheet expands at high temperature, and the problem of light leakage caused by low-temperature shrinkage entering the viewing area. Summary of the Utility Model

[0004] The purpose of the utility model is to overcome the deficiencies in the prior art and provide a backlight film sheet discharging structure, which can prevent the phenomenon of film wrinkles after the backlight film sheet expands at high temperature or prevent the problem of light leakage caused by the low-temperature shrinkage of the backlight film sheet entering the viewing area by changing the discharging direction of the backlight film sheet.

[0005] The purpose of the utility model is achieved by the following technical solutions:

[0006] The first aspect of the present application provides a backlight film sheet discharging structure, including: a production line that moves along a first direction; a backlight film sheet disposed on the production line, a first side of the backlight film sheet is perpendicular to the first direction, a second side of the backlight film sheet is parallel to the first direction, and the length of the first side of the backlight film sheet is greater than the length of the second side of the backlight film sheet.

[0007] It further includes a reel for driving the production line to move along the first direction.

[0008] The first side of the backlight film sheet is perpendicular to the second side of the backlight film sheet.

[0009] A groove is formed on the production line, and the backlight film sheet is disposed in the groove.

[0010] A plurality of the grooves are formed on the production line, and the grooves are spaced apart from each other.

[0011] A plurality of the backlight film sheets are provided, and the backlight film sheets are respectively and spacedly disposed in the grooves.

[0012] The cross-sectional structure of the groove is a rectangular structure.

[0013] The cross-sectional structure of the backlight film is a rectangular structure.

[0014] The number of the backlight films is the same as that of the grooves.

[0015] The backlight film includes a light enhancement film, the light enhancement film is disposed in the groove, a first side edge of the light enhancement film is perpendicular to the first direction, and a second side edge of the light enhancement film is parallel to the first direction.

[0016] Compared with the prior art, the present utility model has at least the following advantages:

[0017] By changing the long side of the backlight film to be consistent with the moving direction of the assembly line to the short side of the backlight film being consistent with the moving direction of the assembly line, the length of high-temperature expansion and low-temperature contraction of the long side is reduced, and the width of the narrow border can be greatly reduced. Description of the Drawings

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for use in the embodiments will be briefly introduced below.

[0019] Figure 1 It is a schematic structural diagram of a backlight film discharging structure in an embodiment of the present utility model. Detailed Embodiment

[0020] The embodiments of the present application will be described in more detail with reference to the drawings. Although the embodiments of the present application are shown in the drawings, it should be understood that the present application can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided to make the present application more thorough and complete, and to fully convey the scope of the present application to those skilled in the art.

[0021] It should be understood that although the terms "first", "second", "third", etc. may be used in the present application to describe various information, these information should not be limited to these terms. These terms are only used to distinguish the same type of information from each other. For example, without departing from the scope of the present application, the first information may also be referred to as the second information, and similarly, the second information may also be referred to as the first information. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present application, "a plurality" means two or more, unless otherwise specifically defined.

[0022] Unless otherwise clearly defined and limited, terms such as "installation", "connection", "linkage", "fixation" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection or an integral one; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the communication inside two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0023] The backlight film is assembled on the backlight through an automated device. The incoming material method is that the long side of the film is in the same direction as the winding direction of the reel, and then the automated device directly clamps and assembles it onto the backlight. However, this assembly method is likely to cause the phenomenon of film wrinkles after the film expands at high temperature, and the problem of light leakage when it shrinks at low temperature and enters the viewing area.

[0024] In view of the above problems, the embodiment of this application provides a backlight film discharging structure, which can prevent the phenomenon of film wrinkles after the backlight film expands at high temperature or prevent the problem of light leakage caused by the backlight film shrinking at low temperature and entering the viewing area by changing the discharging direction of the backlight film.

[0025] The technical solutions of the embodiments of this application are described in detail below with reference to the accompanying drawings.

[0026] Please refer to Figure 1 , a backlight film discharging structure, including: a pipeline 100 and a backlight film 200. The pipeline 100 moves along a first direction; the backlight film 200 is arranged on the pipeline 100. The first side 210 of the backlight film 200 is perpendicular to the first direction, the second side 220 of the backlight film 200 is parallel to the first direction, and the length of the first side 210 of the backlight film 200 is greater than the length of the second side 220 of the backlight film 200.

[0027] It should be noted that the first direction is the moving direction of the pipeline 100, the first side 210 is the longer side of the backlight film 200, and the second side 220 is the shorter side of the backlight film 200. Furthermore, when the automated device clamps, by changing the placement direction of the backlight film 200, the lengths of the long side expanding at high temperature and shrinking at low temperature can be reduced, and the narrow bezel width can be greatly reduced.

[0028] Specifically, the backlight film 200 includes a brightness enhancement film. The brightness enhancement film is arranged in a groove. The first side of the brightness enhancement film is perpendicular to the first direction, and the second side of the brightness enhancement film is parallel to the first direction.

[0029] The brightness enhancement film is divided into an upper brightness enhancement film and a lower brightness enhancement film. Taking the upper brightness enhancement film as an example, the longitudinal low-temperature shrinkage coefficient of the upper brightness enhancement film is 0.557, the transverse low-temperature shrinkage coefficient is 0.445, the longitudinal thermal expansion coefficient is 0.557, and the transverse thermal expansion coefficient is 0.445. The size of the product is generally 474.74 mm in length and 214.75 mm in width. After calculation, the low-temperature shrinkage calculation results of the upper brightness enhancement film are: 1.196 mm longitudinally and 2.11 mm transversely, and the thermal expansion calculation results are 1.19 mm longitudinally and 2.11 mm transversely. It can be understood that if placed in the traditional orientation, after calculation, the low-temperature shrinkage calculation results of the upper brightness enhancement film are: 2.64 mm longitudinally and 0.95 mm transversely, and the thermal expansion calculation results are 2.64 mm longitudinally and 0.95 mm transversely. It should also be noted that the above changes are also applicable to the diffusion film.

[0030] Please refer to Figure 1 , in one embodiment, it further includes a reel 300 for driving the pipeline 100 to move in the first direction. It should be noted that the reel 300 is driven to rotate by a motor, thereby driving the pipeline 100 to move.

[0031] Please refer to Figure 1 , in one embodiment, the first side 210 of the backlight film sheet 200 is perpendicular to the second side 220 of the backlight film sheet 200. Specifically, a groove is formed on the pipeline 100, and the backlight film sheet 200 is arranged in the groove. Specifically, a plurality of grooves are formed on the pipeline 100, and the grooves are spaced apart from each other. Specifically, a plurality of backlight film sheets 200 are provided, and each backlight film sheet 200 is spaced apart and arranged in the groove. Specifically, the cross-sectional structure of the groove is a rectangular structure. Specifically, the cross-sectional structure of the backlight film sheet 200 is a rectangular structure. Specifically, the number of backlight film sheets 200 is the same as the number of grooves.

[0032] It should be noted that the backlight film sheets 200 are respectively installed in the grooves until they are clamped by the automation device.

[0033] The solution of the present application has been described in detail above with reference to the accompanying drawings. In the above embodiments, the descriptions of the various embodiments have their own emphases. For the parts not described in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments. Those skilled in the art should also know that the actions and modules involved in the specification are not necessarily essential to the present application. In addition, it can be understood that the steps in the method embodiments of the present application can be adjusted, combined, and deleted according to actual needs, and the modules in the device embodiments of the present application can be combined, divided, and deleted according to actual needs.

[0034] The embodiments of the present application have been described above. The above description is exemplary and not exhaustive, and is also not limited to the disclosed embodiments. Many modifications and variations are obvious to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The selection of the terms used herein is intended to best explain the principles of the embodiments, the practical application, or the improvement of the technology in the market, or to enable other ordinary technicians in the art to understand the embodiments disclosed herein.

Claims

1. A backlight film sheet discharging structure, characterized in that Including: An assembly line that moves along a first direction; A backlight film, which is disposed on the assembly line. A first side of the backlight film is perpendicular to the first direction, a second side of the backlight film is parallel to the first direction, and the length of the first side of the backlight film is greater than the length of the second side of the backlight film.

2. The backlight film sheet discharging structure according to claim 1, wherein It further includes a reel for driving the assembly line to move along the first direction.

3. The backlight film sheet discharging structure according to claim 1, wherein, The first side of the backlight film is perpendicular to the second side of the backlight film.

4. The backlight film sheet discharging structure according to claim 1, wherein, A groove is formed in the assembly line, and the backlight film is disposed in the groove.

5. The backlight film sheet discharging structure according to claim 4, characterized in that The assembly line is provided with a plurality of such grooves, and the grooves are spaced apart from each other.

6. The backlight film sheet discharging structure according to claim 5, characterized in that, A plurality of backlight films are provided, and the backlight films are respectively and spacedly disposed in the grooves.

7. The backlight film sheet discharging structure according to claim 5, characterized in that, The cross-sectional structure of the groove is a rectangular structure.

8. The backlight film sheet discharging structure according to claim 6, characterized in that, The cross-sectional structure of the backlight film is a rectangular structure.

9. The backlight film sheet discharging structure according to claim 8, wherein, The number of the backlight films is the same as the number of the grooves.

10. The backlight film sheet discharging structure according to claim 9, characterized in that, The backlight film includes a brightness enhancement film, the brightness enhancement film is disposed in the groove, a first side of the brightness enhancement film is perpendicular to the first direction, and a second side of the brightness enhancement film is parallel to the first direction.

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