Baffle-wall-free narrow-frame liquid crystal display screen and handheld communication equipment

Abstract

The utility model discloses a retaining wall-free narrow frame liquid crystal display screen and handheld communication equipment, the liquid crystal display screen comprises a backlight rubber frame and a display module, the backlight rubber frame comprises a square bottom plate and four limiting columns, the four vertex angles of the square bottom plate extend upwards to form the limiting columns, and the display module is arranged on the display module. The display module comprises a lower polaroid, a lower substrate, an upper substrate and an upper polaroid which are sequentially arranged on a square bottom plate in a stacked mode from bottom to top, the lower substrate is longer than the upper substrate and extends outwards to form a step, and a driving IC and an FPC are bound to the upper surface, located at the step, of the lower substrate. The four top corners of the lower base plate and the two top corners, away from the step, of the upper base plate are each provided with an avoiding cut corner for avoiding the corresponding limiting column, and the shapes of the avoiding cut corners correspond to the shapes of the limiting columns. The receding chamfers can well protect the vertex angles of the lower base plate and the upper base plate, and the vertex angles of the lower base plate and the upper base plate are not prone to breakage due to the receding chamfers.

Description

TECHNICAL FIELD

[0001] The utility model relates to a liquid crystal display field more specifically, relate to a kind of narrow frame liquid crystal display screen and handheld communication equipment without blocking wall. BACKGROUND

[0002] In the case where the shell space is limited, the periphery of the display screen module needs to be reduced as much as possible, so the narrow frame structure is selected for the backlight, i.e. no blocking wall structure is used around the backlight, and then the display screen and the backlight are assembled by using a clamp. In this structure, the four corners of the display screen glass are prone to breakage without protection, which may result in appearance defects and even affect the product function. SUMMARY

[0003] The utility model solves the technical problem of avoiding breakage of the corners of the narrow frame liquid crystal display screen without blocking wall, avoiding appearance defects of the product and ensuring the product function.

[0004] The technical problem of the utility model is solved by the following technical scheme.

[0005] To solve the above technical problem, the utility model provides a narrow frame liquid crystal display screen without blocking wall, which comprises a backlight rubber frame and a display module. The backlight rubber frame comprises a square bottom plate and limiting columns extending upward from four corners of the square bottom plate. The display module comprises a lower polarizing plate, a lower substrate, an upper substrate and an upper polarizing plate arranged in sequence from bottom to top on the square bottom plate. The lower substrate is longer than the upper substrate and extends outward to form a step. The upper surface of the lower substrate at the step is bound with a driving IC and an FPC. The four corners of the lower substrate and the two corners of the upper substrate away from the step are provided with avoiding cut corners for avoiding the limiting columns. The shape of the avoiding cut corner corresponds to the shape of the limiting column.

[0006] As a preferred embodiment of the narrow frame liquid crystal display screen without blocking wall provided by the utility model, the cross-sectional shape of the limiting column is triangular.

[0007] As a preferred embodiment of the narrow frame liquid crystal display screen without blocking wall provided by the utility model, the corner of the limiting column is provided with a circular arc chamfer.

[0008] As a preferred embodiment of the narrow frame liquid crystal display screen without blocking wall provided by the utility model, the cross-sectional shape of the limiting column is circular arc.

[0009] As a preferred embodiment of the narrow frame liquid crystal display screen without blocking wall provided by the utility model, the inner surface of the limiting column is provided with a buffer pad.

[0010] In a preferred embodiment of the wall-free narrow bezel LCD display provided by this utility model, the buffer pad is compressed foam.

[0011] In a preferred embodiment of the bezel-less LCD display provided by this utility model, the buffer pad is a silicone pad.

[0012] In a preferred embodiment of the bezel-less, narrow-bezel LCD display provided by this utility model, the buffer pad is black.

[0013] In a preferred embodiment of the wall-free narrow bezel LCD display provided by this utility model, a double-sided adhesive is provided between the buffer pad and the limiting post.

[0014] This utility model provides a handheld communication device, which includes a bezel-less LCD screen as described in any of the above claims.

[0015] This utility model has the following beneficial effects:

[0016] Because the four corners of the square base plate have upward-extending limiting posts, and the four corners of the lower substrate and the two corners of the upper substrate away from the step are all provided with avoidance chamfers to avoid interference between the lower and upper substrates and the limiting posts, the limiting posts not only play a limiting role, but also protect the corners of the lower and upper substrates. Furthermore, because the corners of the lower and upper substrates have avoidance chamfers, the corners are less likely to break, thus avoiding edge chipping and cracking of the narrow bezel LCD screen without a wall, avoiding poor product appearance, and ensuring product functionality. Attached Figure Description

[0017] To more clearly illustrate the solutions in this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are some embodiments of this application. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0018] Figure 1 This is a structural schematic diagram of a narrow-bezel LCD screen without a screen wall, which is provided by this utility model.

[0019] Figure 2 for Figure 1 A schematic diagram of the structure of the backlight frame.

[0020] Figure 3 for Figure 1 The diagram shows the structure of the display module.

[0021] Figure 4 for Figure 1 Side view.

[0022] Figure 5 For Figure 4 Enlarged view at A.

[0023] Figure 6 For Figure 2 Improved structure schematic view at the limiting post.

[0024] BRIEF DESCRIPTION OF DRAWINGS

[0025] Backlight frame 1; display module 2; square bottom plate 11; limiting post 12; lower polarizer 21; lower substrate 22; upper substrate 23; upper polarizer 24; driving IC 25; FPC 26; avoiding cut corner 27; buffer pad 13; double-sided adhesive 14. DETAILED DESCRIPTION

[0026] In order to make the personnel in the technical field better understand the technical scheme of the present application, the technical scheme in the embodiments of the present application will be clearly and completely described below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by the person skilled in the art without making creative efforts should belong to the protection scope of the present application.

[0027] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0028] In addition, the terms "first", "second", "third" are only for description purpose, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second", "third" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0029] The utility model provides a kind of no blocking wall narrow frame LCD, it includes backlight rubber frame and display module, the backlight rubber frame includes square bottom plate and is extended by the four top corners of the square bottom plate Limiting post is upwards, the display module includes sequentially stacked and arranged on the square bottom plate from bottom to top lower polarizing sheet, lower substrate, upper substrate and upper polarizing sheet, the lower substrate is longer than the upper substrate and outwardly protruding to form step, the upper surface of the lower substrate located at the step is bound with drive IC and FPC, the four top corners of the lower substrate and the two top corners of the upper substrate away from the step place are all provided with the avoidance cut corner that avoids the limiting post, the shape of the avoidance cut corner corresponds with the shape of the limiting post.

[0030] Due to the limiting post that the four top corners of square bottom plate are extended upwards, and the four top corners of lower substrate and the two top corners of upper substrate away from step place are all provided with the avoidance cut corner that avoids limiting post, avoidance cut corner can avoid the interference of lower substrate and upper substrate with limiting post, and limiting post not only can play the role of limiting, but also can protect the top corner of lower substrate and upper substrate well, and because the top corner of lower substrate and upper substrate is made of avoidance cut corner, top corner is also more difficult to break, to avoid the edge corner of no blocking wall narrow frame LCD breakage, avoid product appearance bad, ensure product function.

[0031] In order to make the personnel in the technical field better understand the present application scheme, the technical scheme in the embodiment of the present application will be described clearly and completely in conjunction with the drawings. The utility model will be described in detail in conjunction with the drawings and examples, the example of the embodiment is shown in the drawing, wherein the same or similar reference numerals represent the same or similar elements or elements with the same or similar function. The embodiments described below with reference to the drawings are exemplary, and are intended to explain the utility model, and cannot be understood as limiting the utility model.

[0032] Embodiment 1, please refer to Figures 1 to 5The utility model provides a kind of no blocking wall narrow frame LCD, it includes backlight frame 1 and display module 2, backlight frame 1 includes square bottom plate 11 and four limit posts 12, limit post 12 is formed by the four top corners of square bottom plate 11 all upwardly extending, display module 2 includes by lower to upper sequentially superimposed setting on square bottom plate 11 lower polarizer 21, lower substrate 22, upper substrate 23 and upper polarizer 24, lower substrate 22 is longer than upper substrate 23 and outwardly protruding to form step, the upper surface of lower substrate 22 at step is bound with drive IC 25 and FPC 26, four top corners of lower substrate 22 and two top corners of upper substrate 23 away from step are all provided with the avoidance cut corner 27 avoiding limit post 12, the shape of avoidance cut corner 27 corresponds with the shape of limit post 12.Due to the limit post 12 of four top corners of square bottom plate 11 all upwardly extending, and four top corners of lower substrate 22 and two top corners of upper substrate 23 away from step are all provided with the avoidance cut corner 27 avoiding limit post 12, avoidance cut corner 27 can avoid lower substrate 22 and upper substrate 23 with limit post 12 interference, and limit post 12 not only can play a limiting role, but also can protect the top corner of lower substrate 22 and upper substrate 23 well, and because the top corner of lower substrate 22 and upper substrate 23 is made of avoidance cut corner 27, the top corner is also more difficult to break, to avoid the edge of no blocking wall narrow frame LCD corner breakage, avoid product appearance bad, ensure product function.

[0033] Further, the cross-sectional shape of the limit post 12 is triangular or circular arc-shaped. When the cross-sectional shape of the limit post 12 is triangular, a circular arc chamfer can be provided at the corners of the limit post 12, and a circular arc chamfer can also be made at the avoidance cut corner 27 of the lower substrate 22 and the upper substrate 23, thereby avoiding the generation of sharp corners and further reducing the risk of edge breakage.

[0034] Embodiment 2, please refer to Figures 1 to 6 As a further optimization scheme of Embodiment 1, in the present embodiment, the inner surface of the limit post 12 is provided with a buffer pad 13. The buffer pad 13 can play a buffering role when the lower substrate 22 and the upper substrate 23 contact the limit post 12, further avoiding the occurrence of edge breakage. More preferably, the buffer pad 13 can be compressed foam or a silicone pad, which can effectively limit displacement. In the present embodiment, the color of the buffer pad 13 is black, which can avoid light leakage at this position and better achieve an integrated black effect.

[0035] Further, a double-sided adhesive 14 is provided between the buffer pad 13 and the limit post 12, and the buffer pad 13 is fixed to the limit post 12 by the double-sided adhesive 14.

[0036] The utility model provides a kind of handheld communication equipment, it includes the no blocking wall narrow frame LCD as any one of the above.

[0037] In the present application, unless otherwise clearly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected or communicate with each other; it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise clearly limited. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0038] Obviously, the above-described embodiments are only a part of the embodiments of the present application, rather than all the embodiments, and the preferred embodiments of the present application are given in the drawings, but do not limit the patent scope of the present application. The present application can be realized in many different forms, and on the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the present application more thorough and comprehensive. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing specific embodiments, or equivalently replace some technical features. Any equivalent structure made by using the contents of the present application specification and drawings, directly or indirectly used in other related technical fields, is also within the scope of the patent protection of the present application.

Claims

1. A liquid crystal display screen without a barrier wall and with a narrow frame, characterized in that, It includes a backlight frame and a display module, the backlight frame includes a square bottom plate and a limiting column extended upward from each of the four corners of the square bottom plate, the display module includes a lower polarizer, a lower substrate, an upper substrate and an upper polarizer sequentially stacked from bottom to top on the square bottom plate, the lower substrate is longer than the upper substrate and extends outward to form a step, the upper surface of the lower substrate at the step is bound with a drive IC and an FPC, each of the four corners of the lower substrate and two corners of the upper substrate away from the step is provided with an avoiding cut corner avoiding the limiting column, the shape of the avoiding cut corner corresponds to the shape of the limiting column.

2. The barrier-free wall narrow frame liquid crystal display screen according to claim 1, characterized in that, The cross-sectional shape of the limiting column is triangular.

3. The barrier-free wall narrow frame liquid crystal display screen according to claim 2, characterized in that, The edge of the limiting column is provided with a circular arc chamfer.

4. The barrier-free wall narrow frame liquid crystal display screen according to claim 1, characterized in that, The cross-sectional shape of the limiting column is circular arc.

5. The barrier-free wall narrow-bezel liquid crystal display according to claim 1, wherein, The inner surface of the limiting column is provided with a buffer pad.

6. The barrier-free wall narrow frame liquid crystal display screen according to claim 5, characterized in that, The buffer pad is compressed foam.

7. The barrier-free wall narrow frame liquid crystal display screen according to claim 5, characterized in that, The buffer pad is a silica gel pad. 8.The no-bezel wall narrow frame liquid crystal display screen according to claim 5, characterized in that, The color of the buffer pad is black. 9.The no-bezel wall narrow frame liquid crystal display screen according to claim 5, characterized in that, Double-sided adhesive is arranged between the buffer pad and the limiting column.

10. A hand-held communication device, characterized by It includes the no-block-wall narrow-frame liquid crystal display screen of any one of claims 1-9.

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