Liquid crystal display screen capable of preventing light sensation IC from being damaged by collision

Abstract

The utility model discloses a liquid crystal display screen capable of preventing a light sensation IC from being bumped, which comprises a lower polaroid, a lower substrate, an upper substrate and an upper polaroid which are sequentially overlapped from bottom to top, and the lower substrate is longer than the upper substrate and extends outwards to form a step. A step is arranged on the upper surface of the lower substrate, a driving IC (integrated circuit) and a driving FPC (flexible printed circuit) are bound on the lower surface of the lower substrate positioned at the step, the driving FPC is connected with a light sensation FPC, the light sensation FPC is provided with a light sensation IC, the light sensation IC is arranged at the step on the upper surface of the lower substrate, and the light sensation IC is positioned in a shading area. As the light-sensitive IC is arranged at the step of the upper surface of the lower substrate and is positioned in the shading area, compared with the traditional scheme, the light-sensitive FPC is prolonged, and the light-sensitive IC is hidden in the shading area of the backlight, so that the light-sensitive IC is prevented from being damaged by collision, and meanwhile, the element protection paper is removed; meanwhile, the backlight shading area can play a role in shading light, the use environment of the light sensation IC is facilitated, multiple purposes are achieved, and the material cost and the labor cost are saved.

Description

Technical Field

[0001] The utility model relates to the technical field of liquid crystal display, and more specifically to a liquid crystal display screen which can prevent light-sensitive IC from being damaged. Background Art

[0002] The photosensitive IC of traditional LCD screens is exposed on the photosensitive FPC, which is easily damaged during the process of bonding and assembling the module, causing the photosensitive IC to fail. To solve this problem, the traditional approach is to add a yellow component protection film on the surface of the photosensitive IC to prevent the photosensitive IC from being damaged. This not only increases the material cost, but also increases the corresponding film-sticking steps as well as the machine and labor costs, reducing the competitiveness of the product. Utility Model Content

[0003] The technical problem to be solved by the utility model is how to prevent the light sensing IC from being damaged without increasing the cost or with negligible increased cost.

[0004] The technical problem to be solved by the utility model is achieved through the following technical solutions:

[0005] In order to solve the above technical problems, the utility model provides a liquid crystal display screen that can prevent a photosensitive IC from being damaged, comprising a lower polarizer, a lower substrate, an upper substrate and an upper polarizer stacked in sequence from bottom to top, wherein the lower substrate is longer than the upper substrate and extends outward to form a step, a driving IC and a driving FPC are bound to the lower surface of the lower substrate at the step, a photosensitive FPC is connected to the driving FPC, a photosensitive IC is arranged on the photosensitive FPC, the photosensitive IC is arranged at the step on the upper surface of the lower substrate, and the photosensitive IC is located in a light-shielding area.

[0006] As a preferred implementation of the liquid crystal display screen for preventing damage to the photosensitive IC provided by the utility model, a cover plate is arranged above the upper polarizer, an AR hole is arranged on the cover plate, and the position of the photosensitive IC corresponds to the position of the AR hole.

[0007] As a preferred embodiment of the liquid crystal display screen for preventing photosensitive IC from being damaged provided by the utility model, a plurality of grooves are formed on the upper surface of the cover plate by etching, and a plastic layer is covered on the upper side of the cover plate, and the plastic layer is embedded in the plurality of grooves.

[0008] As a preferred implementation of the liquid crystal display screen for preventing light-sensitive IC from being damaged provided by the utility model, the shape of the groove is square or circular.

[0009] As a preferred implementation of the liquid crystal display screen for preventing light-sensitive IC from being damaged provided by the utility model, the groove is a closing groove which is narrow outside and wide inside.

[0010] As a preferred implementation of the liquid crystal display screen for preventing damage to the light-sensitive IC provided by the utility model, the cross-sectional shape of the groove is an isosceles trapezoid.

[0011] As a preferred implementation of the liquid crystal display screen for preventing damage to the light-sensitive IC provided by the utility model, two reinforcing plates staggered with each other are provided on both sides of the driving FPC.

[0012] As a preferred implementation of the liquid crystal display screen for preventing damage to the light-sensitive IC provided by the utility model, the widths of the two reinforcing plates are different.

[0013] As a preferred implementation of the liquid crystal display screen for preventing photosensitive IC from being damaged provided by the utility model, the material of the reinforcement plate is FR4, PI or stainless steel.

[0014] As a preferred implementation of the liquid crystal display screen for preventing damage to the photosensitive IC provided by the utility model, the outer surfaces of the two reinforcing plates are both provided with a surface treatment layer for improving the surface roughness.

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

[0016] Since the photosensitive IC is arranged at the step on the upper surface of the lower substrate and the photosensitive IC is located in the shading area, that is, the photosensitive FPC is extended compared to the traditional solution, so that the photosensitive IC is hidden in the shading area of ​​the backlight, so as to protect the photosensitive IC from damage while removing the component protection paper; at the same time, the backlight shading area can not only block light, but also be more conducive to the use environment of the photosensitive IC, achieving multiple goals at one stroke, saving material costs and labor costs, and improving product competitiveness. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the scheme in the present application, a brief introduction is given below to the drawings required for use in the description of the embodiments. Obviously, the drawings described below are some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0018] Figure 1 The utility model provides a structural schematic diagram of a liquid crystal display screen for preventing light-sensitive IC from being damaged.

[0019] Figure 2 for Figure 1 Top view of the .

[0020] Figure 3 for Figure 1 Bottom view of .

[0021] Figure 4 Schematic diagram of the structure of Example 2.

[0022] Figure 5 for Figure 4 Schematic diagram of the structure of the middle cover.

[0023] Figure 6 for Figure 5 Schematic diagram of the decomposition structure.

[0024] Figure 7 for Figure 5 Schematic diagram of the improved structure.

[0025] Figure 8 This is a schematic diagram of the structure of Example 3.

[0026] Description of Figure Numbers:

[0027] Lower polarizer 1; lower substrate 2; upper substrate 3; upper polarizer 4; driving FPC 5; photosensitive FPC 6; photosensitive IC 7;

[0028] Cover plate 8; plastic layer 9; groove 81; reinforcement plate 10. DETAILED DESCRIPTION

[0029] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0030] In the description of the present invention, 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", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0031] In addition, the terms "first", "second", and "third" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first", "second", and "third" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0032] The utility model provides a liquid crystal display screen for preventing a light-sensitive IC from being damaged, comprising a lower polarizer, a lower substrate, an upper substrate and an upper polarizer which are sequentially stacked from bottom to top, wherein the lower substrate is longer than the upper substrate and extends outward to form a step, a driving IC and a driving FPC are bound to the lower surface of the lower substrate located at the step, a light-sensitive FPC is connected to the driving FPC, a light-sensitive IC is arranged on the light-sensitive FPC, the light-sensitive IC is arranged at the step on the upper surface of the lower substrate, and the light-sensitive IC is located in a light-shielding area.

[0033] Since the photosensitive IC is arranged at the step on the upper surface of the lower substrate and the photosensitive IC is located in the shading area, that is, the photosensitive FPC is extended compared to the traditional solution, so that the photosensitive IC is hidden in the shading area of ​​the backlight, so as to protect the photosensitive IC from damage while removing the component protection paper; at the same time, the backlight shading area can not only block light, but also be more conducive to the use environment of the photosensitive IC, achieving multiple goals at one stroke, saving material costs and labor costs, and improving product competitiveness.

[0034] In order to enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the accompanying drawings. The present invention is described in detail below in conjunction with the accompanying drawings and embodiments, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements with the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limitations on the present invention.

[0035] Example 1

[0036] See also Figures 1 to 3, a liquid crystal display screen for preventing photosensitive IC7 from being damaged is provided by the utility model, which comprises a lower polarizer 1, a lower substrate 2, an upper substrate 3 and an upper polarizer 4 which are sequentially stacked from bottom to top, the lower substrate 2 is longer than the upper substrate 3 and extends outward to form a step, the lower surface of the lower substrate 2 located at the step is bound with a driver IC and a driver FPC5, the driver FPC5 is connected with a photosensitive FPC6, the photosensitive FPC6 is provided with a photosensitive IC7, the photosensitive IC7 is arranged at the step on the upper surface of the lower substrate 2, and the photosensitive IC7 is located in a light-shielding area. Since the photosensitive IC7 is arranged at the step on the upper surface of the lower substrate 2, and the photosensitive IC7 is located in the light-shielding area, that is, compared with the traditional solution, the photosensitive FPC6 is extended, so that the photosensitive IC7 is hidden in the light-shielding area of ​​the backlight, so as to protect the photosensitive IC7 from being damaged while removing the component protection paper; at the same time, the backlight light-shielding area can not only play a light-shielding role, but also be more conducive to the use environment of the photosensitive IC7, achieving multiple goals at one stroke, saving material costs and labor costs, and improving the competitiveness of the product.

[0037] Example 2

[0038] See also Figures 4 to 7 As a further optimization solution of Example 1, in this embodiment, a cover plate 8 is arranged above the upper polarizer 4, an AR hole is arranged on the cover plate 8, and the position of the light sensing IC 7 corresponds to the position of the AR hole.

[0039] Furthermore, the upper surface of the cover plate 8 is covered with a plastic layer 9, and a plurality of grooves 81 are formed downwardly on the upper surface of the cover plate 8 by etching, and a portion of the lower surface of the plastic layer 9 is embedded in each groove 81. Since the surface of the groove 81 formed by etching has a certain degree of roughness, the plastic layer 9 can be tightly bonded to the groove 81, thereby preventing the cover plate 8 and the plastic layer 9 from falling off. Since the upper part of the cover plate 8 is covered with a plastic layer 9, and a plurality of grooves 81 are formed on the upper surface of the cover plate 8 by etching, and the plastic layer 9 can be embedded in the interior of the plurality of grooves 81, the grooves 81 formed by etching make the inner surface of the grooves 81 have a certain degree of roughness, and the surface of the grooves 81 with a certain degree of roughness can improve the bonding force between the grooves 81 and the plastic layer 9, thereby reducing the possibility of separation of the grooves 81 and the plastic layer 9. When the LCD screen is hit or falls, the plastic layer 9 on the upper surface of the cover plate 8 can directly withstand the external force, thereby preventing the external force from directly acting on the cover plate 8. Since the plastic layer 9 can absorb most of the energy, the remaining external force is very weak when it acts on the cover plate 8, thereby effectively reducing the risk of the cover plate 8 being broken or damaged; and when the LCD screen is subjected to external force, even if the external force is large, it will only damage the plastic layer 9 on the upper surface of the cover plate 8, and will not directly damage the cover plate 8. Therefore, it can be avoided that the cover plate 8 is damaged and the LCD screen cannot be used normally, which brings a better user experience to users and improves the anti-fall ability of the LCD screen.

[0040] Furthermore, the shape of the groove 81 can be square or circular, and the cross-sectional shape of the groove 81 can be a closing groove that is narrow on the outside and wide on the inside. In the present embodiment, the cross-sectional shape of the groove 81 is an isosceles trapezoid, and the groove 81 is in the shape of an elongated strip. The isosceles trapezoid-shaped groove 81 can allow the plastic layer 9 to be tightly embedded in the groove 81, thereby preventing the groove 81 from being separated from the plastic layer 9, thereby preventing the cover plate 8 from falling off from the plastic layer 9. The elongated groove 81 can increase the fitting portion between the plastic layer 9 and the groove 81, thereby increasing the fitting strength between the groove 81 and the plastic layer 9.

[0041] Example 3

[0042] See also Figure 8 As a further optimization scheme of Example 1, in this embodiment, two reinforcing plates 10 that are staggered are provided on both sides of the driving FPC5. In the traditional design of the driving FPC5, the reinforcing plates 10 are usually not provided or the reinforcing plates 10 are provided at the same position and the width of the reinforcing plates 10 is the same, resulting in the pressure applied being concentrated on the same straight line when plugging and unplugging the driving FPC5, causing a slight break in the driving FPC5 line. The driving FPC5 provided by the utility model has two reinforcing plates 10 that are respectively located on both sides of the connecting portion and staggered. When the driving FPC5 is pulled out, the pressure exerted by the reinforcing plates 10 on the driving FPC5 is not on the same line segment, and the stress will not be concentrated on the same straight line when bending, thereby avoiding stress concentration and the problem of easy slight break in the line at the interface end, thereby improving the product yield.

[0043] Furthermore, the two mutually staggered reinforcing plates 10 referred to in the utility model can be respectively arranged at two different positions; or the center point position can be the same, but the widths of the two reinforcing plates 10 are different. It is sufficient to make the stress of the two reinforcing plates 10 not concentrated on the same straight line when they are bent, which can avoid stress concentration and the problem of easy micro-breakage of the line at the interface end, thereby improving the product yield. In this embodiment, the reinforcing plates 10 include a first reinforcing plate and a second reinforcing plate, and the widths of each reinforcing plate 10 are different, and their center points are on the same horizontal line, so that the edges of the reinforcing plates 10 are staggered and not concentrated on the same straight line.

[0044] Furthermore, the material of the reinforcing plate 10 is FR4, PI or stainless steel. In other embodiments, if the heat generated by the driving FPC5 is relatively large, a heat dissipation material with better heat dissipation effect, such as an aluminum foil reinforcing plate 10, may also be used.

[0045] Furthermore, the outer surfaces of the first reinforcement plate and the second reinforcement plate are both provided with a surface treatment layer for increasing the surface roughness, so as to increase the friction between the worker and the first reinforcement plate and the second reinforcement plate, so that the driving FPC5 is easy to pull out.

[0046] Furthermore, the surface treatment layer is provided with diamond knurling on the outer surfaces of the first reinforcement plate and the second reinforcement plate, so that the driving FPC5 can be pulled out more easily, reducing the risk of the driving FPC5 circuit being broken.

[0047] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like 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, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0048] Obviously, the embodiments described above are only some embodiments of the present application, rather than all embodiments. The preferred embodiments of the present application are given in the accompanying drawings, but they do not limit the patent scope of the present application. The present application can be implemented in many different forms. 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 is described in detail with reference to the aforementioned embodiments, for those skilled in the art, it is still possible to modify the technical solutions recorded in the aforementioned specific implementation methods, or to perform equivalent replacement of some of the technical features therein. Any equivalent structure made using the contents of the specification and drawings of this application, directly or indirectly used in other related technical fields, is similarly within the scope of patent protection of this application.

Claims

1. A liquid crystal display screen that prevents light-sensitive IC from being damaged, characterized in that: It includes a lower polarizer, a lower substrate, an upper substrate and an upper polarizer which are stacked in sequence from bottom to top. The lower substrate is longer than the upper substrate and extends outward to form a step. The lower surface of the lower substrate located at the step is bound with a driving IC and a driving FPC. The driving FPC is connected to a photosensitive FPC. A photosensitive IC is arranged on the photosensitive FPC. The photosensitive IC is arranged at the step on the upper surface of the lower substrate. The photosensitive IC is located in a light-shielding area.

2. The liquid crystal display screen for preventing light-sensitive IC from being damaged according to claim 1, characterized in that: A cover plate is disposed above the upper polarizer, an AR hole is disposed on the cover plate, and the position of the light sensing IC corresponds to the position of the AR hole.

3. The liquid crystal display screen for preventing light-sensitive IC from being damaged according to claim 2, characterized in that: A plurality of grooves are formed on the upper surface of the cover plate by etching, and a plastic layer is covered on the upper side of the cover plate, and the plastic layer is embedded in the plurality of grooves.

4. The liquid crystal display screen for preventing light-sensitive IC from being damaged according to claim 3, characterized in that: The shape of the groove is square or circular.

5. The liquid crystal display screen for preventing light-sensitive IC from being damaged according to claim 3, characterized in that: The groove is a closing groove which is narrow outside and wide inside.

6. The liquid crystal display screen for preventing light-sensitive IC from being damaged according to claim 5, characterized in that: The cross-sectional shape of the groove is an isosceles trapezoid.

7. The liquid crystal display screen for preventing light-sensitive IC from being damaged according to claim 1, characterized in that: Two reinforcing plates staggered with each other are arranged on both sides of the driving FPC.

8. The liquid crystal display screen for preventing light-sensitive IC from being damaged according to claim 7, characterized in that: The widths of the two reinforcing plates are different.

9. The liquid crystal display screen for preventing light-sensitive IC from being damaged according to claim 7, characterized in that: The reinforcement plate is made of FR4, PI or stainless steel.

10. The liquid crystal display screen for preventing light-sensitive IC from being damaged according to claim 7, characterized in that: The outer surfaces of the two reinforcing plates are both provided with a surface treatment layer for improving the surface roughness.

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