Light and thin LCD display screen

Abstract

The utility model discloses a light and thin type LCD display screen, relates to the display screen technology field, the light and thin type LCD display screen comprises a packaging shell, a backlight plate, an LCD panel and a touch screen layer are laid on the packaging shell in sequence, the backlight plate is adhered to the packaging shell through an ultrathin adhesive, the LCD panel is adhered to the backlight plate through a flexible transparent adhesive, and the touch screen layer is adhered to the backlight plate through a transparent adhesive. And the touch screen layer is adhered to the LCD panel through an optical transparent adhesive tape. According to the technical scheme provided by the utility model, the lightening and thinning of the LCD display screen can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to display screen technical field, especially light and thin type LCD display screen. BACKGROUND

[0002] LCD display screen, full name for liquid crystal display screen, is a kind of display equipment using the photoelectric effect of liquid crystal material to display image;It controls the passing of light by controlling the arrangement of liquid crystal molecules, to form different images;LCD display screen has low power consumption, small size, light weight and other characteristics, is widely used in computer display, television, mobile phone and other electronic equipment, but the existing LCD display screen still has certain defects, such as:

[0003] The "LCD display screen" with application No. CN201820121693.3 includes metal frame arranged on the outer side of display screen, and the metal frame is provided with conductive sheet laid on the surface of display screen, and the end face of metal frame away from display screen is fixed with printed circuit board, and the both sides of metal frame are pressed by pressing plate fixed on printed circuit board, the device is heavy in actual use process due to internal structure setting, cannot meet the demand of modern consumers for light and thin electronic equipment. UTILITARIAN CONTENT

[0004] The main purpose of the utility model is to provide a light and thin LCD display screen, to improve the light and thin LCD display screen.

[0005] To achieve the above purpose, the light and thin LCD display screen provided by the utility model includes:

[0006] The packaging shell is sequentially laid with backlight plate, LCD panel and touch screen layer, the backlight plate is adhered to the packaging shell by ultra-thin adhesive, the LCD panel is adhered to the backlight plate by flexible transparent adhesive, and the touch screen layer is adhered to the LCD panel by optical transparent adhesive.

[0007] In an embodiment, the packaging shell is provided with a recessed accommodating groove on one side along the first direction, the accommodating groove is provided with a drive control circuit board, and the drive control circuit board is electrically connected to the backlight plate and the LCD panel.

[0008] In an embodiment, the drive control circuit board is further fixed with two sub-circuit boards on one side facing the LCD panel, the two sub-circuit boards are arranged on the opposite sides of the drive control circuit board along the second direction, and the two sub-circuit boards are electrically connected to the drive control circuit board.

[0009] The sub-circuit board is provided with at least one external terminal, and the side plate of the accommodating groove is provided with a plug-in interface corresponding to the external terminal, the plug-in interface being used for plugging an external plug-in terminal to be electrically connected with the external terminal, and the second direction is arranged at an angle with the first direction.

[0010] In an embodiment, a plurality of the external terminals are crimped and fixed to the sub-circuit board.

[0011] In an embodiment, the drive control circuit board is further provided with a flexible circuit board on a side facing the backlight plate, and the flexible circuit board is used for electrically connecting with the backlight plate.

[0012] In an embodiment, the bottom plate of the accommodating groove is detachably arranged, and a sealing ring is arranged between the periphery of the bottom plate of the accommodating groove and the side plate of the accommodating groove.

[0013] In an embodiment, the thickness of the packaging shell at the accommodating groove is less than or equal to 10 mm; and / or,

[0014] The thickness of the packaging shell at a position other than the accommodating groove is less than or equal to 6 mm.

[0015] In an embodiment, along the first direction, the width of the accommodating groove accounts for less than or equal to 1 / 3 of the width of the packaging shell.

[0016] In an embodiment, the packaging shell is provided with a support rib at the edge of the side facing the backlight plate.

[0017] The technical scheme of the utility model discloses a packaging shell, a backlight plate, an LCD panel and a touch screen layer are sequentially stacked in the packaging shell, thereby forming a complete LCD display screen, and the backlight plate is adhered to the packaging shell, the LCD panel is adhered to the backlight plate, the touch screen layer is adhered to the LCD panel, and the packaging shell, the backlight plate, the LCD panel and the touch screen layer are sequentially adhered and fixed, thereby facilitating the fixation of the backlight plate, the LCD panel and the touch screen layer, and the adhesive fixation can minimize the installation space required for the fixation of the backlight plate, the LCD panel and the touch screen layer, which helps to reduce the overall thickness of the LCD display screen and improve the overall lightness and thinness of the LCD display screen.

[0018] The backlight plate is adhered to the packaging shell by means of an ultrathin adhesive, thereby further reducing the connection thickness between the backlight plate and the packaging shell; the LCD panel is adhered to the backlight plate by means of a flexible transparent adhesive, which can be a solid adhesive, thereby facilitating the installation of the backlight plate and the LCD panel and reducing the influence of the adhesive on the display effect of the LCD display screen; and the touch screen layer is adhered to the LCD panel by means of an optical transparent adhesive, thereby reducing the connection thickness between the touch screen layer and the LCD panel and reducing the influence on the display effect of the LCD display screen. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or prior art description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained according to the structures shown in the drawings without creative labor.

[0020] Figure 1 An angle structure schematic diagram of an embodiment of the thin and light LCD display screen provided by the present application is shown in the figure.

[0021] Figure 2 An angle structure schematic diagram of another embodiment of the thin and light LCD display screen provided by the present application is shown in the figure. Figure 1

[0022] An angle structure schematic diagram of another embodiment of the thin and light LCD display screen provided by the present application is shown in the figure. Figure 3 Figure 1 An angle structure schematic diagram of another embodiment of the thin and light LCD display screen provided by the present application is shown in the figure.

[0023] Figure 4 Figure 1 An angle structure schematic diagram of another embodiment of the thin and light LCD display screen provided by the present application is shown in the figure.

[0024] Figure 5 An angle structure schematic diagram of another embodiment of the thin and light LCD display screen provided by the present application is shown in the figure. Figure 1

[0025] An angle structure schematic diagram of another embodiment of the thin and light LCD display screen provided by the present application is shown in the figure. Figure 6 Figure 1 An angle structure schematic diagram of another embodiment of the thin and light LCD display screen provided by the present application is shown in the figure.

[0026] Explanation of figure numbers:

[0027] 100, LCD display screen; 11, packaging shell; 111, accommodating groove; 1111, side plate; 1112, bottom plate; 112, drive control circuit board; 113, sub-circuit board; 114, plug-in interface; 115, flexible circuit board; 116, external terminal; 12, backlight plate; 13, LCD panel; 14, touch screen layer.

[0028] The realization, functional features and advantages of the present application will be further described with reference to the embodiments and the drawings. DETAILED DESCRIPTION

[0029] ​​​The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only 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 those skilled in the art without creative efforts belong to the scope of the present application.

[0030] It should be noted that if the embodiments of the present application involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative positional relationship, movement condition, etc. between components in a certain posture, and if the certain posture changes, the directional indications also change accordingly.

[0031] In addition, if the embodiments of the present application involve descriptions such as "first", "second", etc., the descriptions of "first", "second", etc. are only for description purposes, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include at least one of the features. In addition, "and / or" or "and / or" appearing throughout the text means that the three parallel schemes are included, for example, "A and / or B" includes A scheme, or B scheme, or A and B simultaneously satisfy the scheme. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the present application.

[0032] The present application provides a kind of light and thin LCD display screen 100 (abbreviation LCD display screen 100), the display screen is used to terminal equipment such as external mobile phone, computer, to expand or enlarge the display screen of terminal equipment.

[0033] Please refer to Figures 1 to 6 In an embodiment of the present application, the light and thin LCD display screen 100 includes:

[0034] The packaging shell 11, the backlight plate 12, the LCD panel 13 and the touch screen layer 14 are sequentially laid in the packaging shell 11, the backlight plate 12 is adhered to the packaging shell 11 by ultra-thin adhesive, the LCD panel 13 is adhered to the backlight plate 12 by flexible transparent adhesive, and the touch screen layer 14 is adhered to the LCD panel 13 by optical transparent adhesive.

[0035] Specifically, the backlight plate 12, the LCD panel 13 and the touch screen layer 14 are sequentially stacked in the packaging shell 11, so as to form a complete LCD display screen 100, and the backlight plate 12 is adhered to the packaging shell 11, the LCD panel 13 is adhered to the backlight plate 12, the touch screen layer 14 is adhered to the LCD panel 13, and the packaging shell 11, the backlight plate 12, the LCD panel 13 and the touch screen layer 14 are sequentially adhered and fixed, so as to facilitate the fixation of the backlight plate 12, the LCD panel 13 and the touch screen layer 14, and the adhered and fixed structure can minimize the installation space required for the fixation of the backlight plate 12, the LCD panel 13 and the touch screen layer 14, thereby helping to reduce the overall thickness of the LCD display screen 100 and improve the overall lightness and thinness of the LCD display screen 100.

[0036] In the embodiment of the utility model, the backlight plate 12 is adhered to the packaging shell 11 through the ultrathin adhesive, so as to further reduce the connection thickness between the backlight plate 12 and the packaging shell 11; the LCD panel 13 is adhered to the backlight plate 12 through the flexible transparent adhesive, which can be a solid adhesive, so as to facilitate the installation of the backlight plate 12 and the LCD panel 13 and reduce the influence of the adhesive on the display effect of the LCD display screen 100; and the touch screen layer 14 is adhered to the LCD panel 13 through the optical transparent adhesive, so as to reduce the connection thickness between the touch screen layer 14 and the LCD panel 13 and the influence on the display effect of the LCD display screen 100.

[0037] Further preferably, the edge of the packaging shell 11 on the side facing the backlight plate 12 is provided with a supporting rib, which is protruded from the inner edge of the packaging shell 11 and used for abutting against the backlight plate 12, so as to ensure that the pressure of the backlight plate 12, the LCD panel 13 and the touch screen layer 14 applied to the packaging shell 11 is uniformly conducted to the packaging shell 11, thereby ensuring the stable installation of the backlight plate 12, the LCD panel 13 and the touch screen layer 14 and further ensuring the display effect of the LCD display screen 100.

[0038] Please refer to Figures 3 to 6 In the embodiment of the utility model, the packaging shell 11 is provided with a receiving groove 111 recessed relative to the backlight plate 12 on the side along the first direction, and a drive control circuit board 112 is arranged in the receiving groove 111 and electrically connected to the backlight plate 12 and the LCD panel 13. Specifically, the packaging shell 11 is partially recessed relative to the backlight plate 12, so as to form a receiving groove 111 for the installation of the drive control circuit board 112 and the like. Compared with the overall thickening to accommodate the drive control circuit board 112, the present scheme not only can effectively reduce the thickness of the LCD display screen 100, but also can further match the shape and size of the receiving groove 111 and the drive control circuit board 112, so as to improve the fixation stability of the drive control circuit board 112. Moreover, the integrated design of the drive control circuit board 112 not only reduces the overall volume, but also improves the heat dissipation performance of the circuit, thereby prolonging the service life of the display screen and further enhancing the reliability of the product.

[0039] In the embodiment, the first direction is the width direction of the LCD display screen 100, and the second direction is the length direction of the LCD display screen 100.

[0040] Preferably, the thickness of the packaging shell 11 at the accommodating groove 111 is less than or equal to 10 mm, and the thickness of the packaging shell 11 at positions other than the accommodating groove 111 is less than or equal to 6 mm, so as to control the overall size of the packaging shell 11 within a relatively thin size range, effectively realizing the thinning of the LCD display screen 100, thereby facilitating the daily carrying of the user. Specifically, the thickness of the packaging shell 11 at the accommodating groove 111 can be 10 mm, 9.5 mm, 9 mm, 8.5 mm, 8 mm, etc.; the thickness of the packaging shell 11 at positions other than the accommodating groove 111 can be 6 mm, 5.5 mm, 5 mm, 4.5 mm, 4 mm, etc.

[0041] Further preferably, referring to Figure 1 and Figure 2 , along the first direction, the width of the accommodating groove 111 accounts for less than or equal to 1 / 3 of the width of the packaging shell 11, that is, in the present scheme, the overall size of the drive control circuit board 112 is reduced as much as possible, thereby reducing the overall size of the accommodating groove 111, thereby reducing the occupied area of the position where the thickness of the LCD display screen 100 is relatively large, which helps to reduce the overall thickness of the LCD display screen 100.

[0042] Please refer to Figures 1 to 6 In the embodiment of the utility model, one side of the drive control circuit board 112 towards the LCD panel 13 is also fixed with two sub-circuit boards 113, the two sub-circuit boards 113 are arranged on opposite sides of the drive control circuit board 112 along the second direction, and the two sub-circuit boards 113 are electrically connected with the drive control circuit board 112.

[0043] The sub-circuit board 113 is provided with at least one external terminal 116, and the side plate 1111 of the accommodating groove 111 is provided with a plug-in interface 114 corresponding to the external terminal 116, the plug-in interface 114 is used for plug-in of an external plug-in terminal to be electrically connected with the external terminal 116, and the second direction is arranged at an angle with the first direction.

[0044] Specifically, the two sub-circuit boards 113 can be electrically connected with the drive circuit board, and the sub-circuit board 113 is provided with an external terminal 116, thereby being connected with an external circuit, thereby realizing the connection of the LCD display screen 100 with an external terminal device.

[0045] Further preferably, the side of the drive circuit board 112 facing the backlight panel 12 is also provided with a flexible circuit board 115 for electrical connection with the backlight panel 12. Thus, the working principle of the LCD display 100 is as follows: when the power is turned on, the LCD panel 13 receives signals from the drive circuit board 112 through the backlight panel 12, and the backlight panel 12 then emits uniform backlight; the uniformity of the light emitted by the backlight panel 12 is ensured by the electrical connection of the flexible circuit board 115, ensuring that the light can uniformly pass through the LCD panel 13, thereby forming a clear image on the panel.

[0046] The drive circuit board 112 is responsible for processing signals from the outside and converting them into signals suitable for display by the LCD panel 13; the sub-circuit board 113 works in conjunction with the drive circuit board 112 to control the display effect of different areas, achieving high contrast and color saturation; so that the working principle of the entire display screen is through precise electronic control and optical design to achieve high-quality image display.

[0047] The sub-circuit board 113 and the drive circuit board are stacked together in the accommodation groove 111, further realizing the integration of the internal circuit of the LCD display 100, and the sub-circuit board 113 is arranged on opposite sides of the accommodation groove 111, thereby facilitating the connection of the external terminal 116 with the external circuit, and the external terminal 116 has a large thickness, so it is arranged in the accommodation groove 111, thereby integrating the structure with a large thickness in the accommodation groove 111, thereby further reducing the thickness of the LCD display other than the accommodation groove 111. Preferably, the flexible circuit board 115 is arranged between the two sub-circuit boards 113 and is spaced apart from the sub-circuit boards 113 in the second direction, thereby installing the flexible circuit board 115 in the free area between the two sub-circuit boards 113, thereby not needing to additionally increase the installation space, further improving the thinness of the LCD display, and further realizing the integration of the internal circuit of the LCD display 100.

[0048] Among them, the plurality of external terminals 116 are crimped and fixed to the sub-circuit board 113. Thus, the stability of the external terminal 116 can be ensured, and the installation of the external terminal 116 can be facilitated.

[0049] In order to facilitate the assembly of the LCD display screen 100, in the embodiment of the utility model, the bottom plate 1112 of the accommodating groove 111 is detachably arranged, and a sealing ring is arranged between the periphery of the bottom plate 1112 of the accommodating groove 111 and the side plate 1111 of the accommodating groove 111, the bottom plate 1112 is detachably arranged, thereby facilitating the assembly of the internal circuit of the LCD display screen 100, and facilitating the later maintenance. The bottom plate 1112 can be clamped on the side plate 1111, or can be connected to the side plate 1111 by a fastener, and in order to improve the sealing between the two, a sealing ring is arranged between the periphery of the bottom plate 1112 of the accommodating groove 111 and the side plate 1111 of the accommodating groove 111, thereby ensuring the sealing property.

[0050] The above is only an exemplary embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structural transformation, direct / indirect application in other related technical fields under the technical concept of the utility model, or the contents of the utility model specification and drawings are included in the patent protection range of the utility model.

Claims

1. A thin and light LCD display screen, characterized in that: The package shell is provided with a recessed accommodating groove on one side thereof along a first direction, the accommodating groove is provided with a drive control circuit board, and the drive control circuit board is electrically connected to the backlight panel and the LCD panel. The drive control circuit board is further provided with two sub-circuit boards on a side thereof facing the LCD panel, the two sub-circuit boards are arranged on opposite sides of the drive control circuit board along a second direction, and the two sub-circuit boards are electrically connected to the drive control circuit board.

2. The thin and light LCD display panel of claim 1, wherein, The sub-circuit board is provided with at least one external terminal, a side plate of the accommodating groove is provided with a plug-in interface corresponding to the external terminal, the plug-in interface is used for plugging an external plug-in terminal to be electrically connected to the external terminal, and the second direction is arranged at an angle with the first direction.

3. The thin and light LCD display panel of claim 2, wherein, A plurality of external terminals are crimped and fixed to the sub-circuit board. The drive control circuit board is further provided with a flexible circuit board on a side thereof facing the backlight panel, and the flexible circuit board is used for electrical connection with the backlight panel.

4. The thin and light LCD display panel of claim 3, wherein, A bottom plate of the accommodating groove is detachably arranged, and a sealing ring is arranged between a periphery of the bottom plate of the accommodating groove and a side plate of the accommodating groove.

5. The thin and light LCD display panel of claim 3, wherein, The thickness of the package shell at the accommodating groove is less than or equal to 10 mm; and / or 6. The thin and light LCD display panel of claim 2, wherein, The thickness of the package shell at a position other than the accommodating groove is less than or equal to 6 mm.

7. The thin and light LCD display screen of claim 2, wherein, Along the first direction, the width of the accommodating groove accounts for less than or equal to 1 / 3 of the width of the package shell. The package shell is provided with a support rib on an edge of a side thereof facing the backlight panel.

8. The thin and light LCD display screen of claim 2, wherein, ​ 9. The light and thin LCD display panel according to any one of claims 1 to 8, wherein, ​

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