Touch display device

Abstract

The embodiment of the utility model provides a touch display device. The touch display device comprises a touch display assembly and a first supporting frame. The touch display assembly comprises a display panel, a light-transmitting adhesive layer and a touch screen which are sequentially arranged in a stacked mode, the touch screen comprises a central area and a peripheral area arranged on the periphery of the central area, and the light-transmitting adhesive layer and the touch screen are arranged corresponding to the central area; the first supporting frame comprises a first supporting part and a second supporting part which are connected, the second supporting part is arranged on the inner side of the first supporting part, the first supporting part corresponds to the peripheral area of the touch screen and is connected with the touch screen, and the second supporting part corresponds to the edge area of the display panel and is connected with the display panel. According to the touch display device provided by the embodiment of the invention, an aluminum frame does not need to be adopted to abut against the touch screen from the light emitting side, so that the frame of the touch display device can be shrunk or removed, a narrow-frame design or a frameless design is realized, and then the user experience is improved.

Description

Technical Field

[0001] This application relates to the field of displays, and more particularly to a touch display device. Background Technology

[0002] Touch display devices, as an input medium, are currently the simplest, most convenient, and most natural way for humans to interact with computers. Therefore, touch display devices are increasingly being used in various electronic products, such as mobile phones, laptops, MP3 players, and MP4 players.

[0003] Touch display devices are equipped with touch screens to realize the function of touch display. Based on different working principles and information transmission media, touch screens can be divided into four types: resistive, capacitive, infrared, and surface acoustic wave. Among them, capacitive touch screens have become the mainstream touch screen technology due to their advantages such as long life, high light transmittance, and support for multi-touch.

[0004] Currently, capacitive touch display devices use an aluminum frame to press against the edge of the touchscreen from the light-emitting side to prevent the touchscreen from falling off. However, because the aluminum frame is relatively wide, the display device has a large bezel, which in turn leads to a poor user experience. Utility Model Content

[0005] Based on this, embodiments of this application provide a touch display device.

[0006] This application provides a touch display device, including:

[0007] A touch display assembly includes a display panel, a light-transmitting adhesive layer, and a touch screen arranged in sequence. The touch screen includes a central region and a peripheral region located around the central region. The light-transmitting adhesive layer and the touch screen are disposed corresponding to the central region.

[0008] The first support frame includes a first support portion and a second support portion connected together. The second support portion is disposed inside the first support portion. The first support portion is disposed corresponding to the peripheral area of ​​the touch screen and is connected to the touch screen. The second support portion is disposed corresponding to the edge area of ​​the display panel and is connected to the display panel.

[0009] In some embodiments, a blind hole is provided in the peripheral area of ​​the touch screen, and a nut is provided in the blind hole, the nut being fixedly connected to the wall of the blind hole;

[0010] The first support portion is provided with a through hole, and the through hole is provided corresponding to the blind hole;

[0011] The touch display device also includes a screw that passes through the through hole into the blind hole and is threadedly connected to the nut.

[0012] In some embodiments, the nut is fixedly connected to the wall of the blind hole by an adhesive layer; and / or,

[0013] The screw includes a connected head and a threaded post, the external thread of the threaded post engaging with the internal thread of the nut.

[0014] In some embodiments, a sealant layer is provided between the first support portion and the peripheral area of ​​the touchscreen; and / or,

[0015] A first foam tape is provided between the second support portion and the edge area of ​​the display panel; and / or,

[0016] The first support frame further includes a first side portion and a buffer member. The first side portion is connected to the first support portion, and the buffer member is disposed on the side of the first side portion facing the touch screen and connected to the first side portion.

[0017] In some embodiments, the touch display device further includes a second support frame, which is disposed inside the first support frame and spaced apart from the first support frame;

[0018] The second support frame and the second support portion are disposed on the same side of the display panel. The second support frame includes a third support portion. The edge area of ​​the display panel includes a first portion and a second portion. The first portion is connected to the second support portion, and the second portion is connected to the third support portion.

[0019] In some embodiments, a second foam tape is provided between a second portion of the edge region of the display panel and the third support portion; and / or,

[0020] The touch display device also includes a back panel, which includes a bottom plate and a side plate connected together;

[0021] The first support frame further includes a first connecting part, which is connected to the side of the first support part away from the touch screen, and the first connecting part is provided with a first engaging groove.

[0022] The second support frame further includes a second connecting part, which is connected to the side of the third support part away from the display panel, and the second connecting part is provided with a second engaging groove;

[0023] The side plate includes a first plate and a second plate, wherein the first plate is engaged with the first engaging groove and the second plate is engaged with the second engaging groove.

[0024] In some embodiments, the base plate includes a central region and a peripheral region surrounding the central region, the central region being bent away from the touch display component and forming a groove;

[0025] The touch display device also includes an optical component, the edge region of which overlaps the peripheral region of the base plate.

[0026] In some embodiments, the optical component includes a diffuser plate and an optical film stacked together; and / or,

[0027] A light source is installed inside the groove.

[0028] In some embodiments, the first support frame further includes a first pressing portion connected to the side of the second support portion opposite to the touchscreen, the first pressing portion being used to press against the optical film to prevent the optical film from sliding; and / or,

[0029] The second support frame further includes a second pressing part, which is connected to the side of the third support part away from the display panel. The second pressing part is used to press against the optical film to prevent the optical film from sliding.

[0030] In some embodiments, the first support frame further includes a second side portion, which is connected to the side of the first support portion opposite to the touch screen;

[0031] The touch display device further includes a rear shell, which is disposed on the side of the back plate away from the touch display assembly, and the rear shell is connected to the second side portion.

[0032] The touch display device provided in this application embodiment uses a light-transmitting adhesive layer to bond the display panel and the touch screen into a whole. The first support part of the first support frame is set and connected to the outer area of ​​the touch screen, and the second support part is set and connected to the edge area of ​​the display panel. This allows the display panel, the touch screen, and any two components in the first support frame to be connected, thereby improving the overall structural stability of the touch display device. This touch display device does not require an aluminum frame to press against the touch screen from the light-emitting side, thereby reducing or eliminating the frame of the touch display device, realizing a narrow frame design or a frameless design, and thus improving the user experience. Attached Figure Description

[0033] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below.

[0034] Figure 1This is a cross-sectional structural diagram of the touch display device provided in the embodiments of this application.

[0035] Figure 2 This is a cross-sectional view of the top / left / right side of the touch display device provided in the embodiments of this application.

[0036] Figure 3 This is a cross-sectional view of the ground side of the touch display device provided in the embodiments of this application.

[0037] Figure 4 This is a schematic diagram showing the formation of a blind hole on a touch screen, as provided in an embodiment of this application.

[0038] Figure 5 This is a schematic diagram showing the installation of a nut inside a blind hole on a touchscreen, as provided in an embodiment of this application.

[0039] Figure 6 This is a schematic diagram showing the formation of an adhesive layer between the wall of a blind hole on a touchscreen and a nut, as provided in an embodiment of this application.

[0040] Component symbol explanation:

[0041] 100. Touch display device; 20. Touch display assembly; 23. Touch screen; 231. Blind hole; 232. Nut; 233. Adhesive layer; 22. Translucent adhesive layer; 21. Display panel; 30. First support frame; 31. First support part; 315. Through hole; 32. Second support part; 33. First side part; 34. Buffer; 35. First connecting part; 355. First engaging groove; 36. First pressing part 37. Second side; 40. Screw; 51. Sealing layer; 52. First foam tape; 53. Second foam tape; 60. Second support frame; 61. Third support part; 62. Second connecting part; 625. Second engaging groove; 63. Second pressing part; 70. Back plate; 71. Bottom plate; 715. Groove; 72. Side plate; 80. Optical component; 81. Diffuser plate; 82. Optical film; 90. Rear shell. Detailed Implementation

[0042] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.

[0043] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0044] 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 indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0045] In this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0046] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0047] Please see Figure 1 This application provides a touch display device 100, including a touch display component 20 and a first support frame 30.

[0048] Please see Figure 2 and Figure 3The touch display component 20 includes a display panel 21, a light-transmitting adhesive layer 22, and a touch screen 23 stacked in sequence. The touch screen 23 includes a central region and a peripheral region located around the central region. The light-transmitting adhesive layer 22 and the touch screen 23 are disposed corresponding to the central region.

[0049] For example, the thickness of the light-transmitting adhesive layer 22 is 0.8 mm to 1 mm.

[0050] For example, the light-transmitting adhesive layer 22 is an OCR adhesive (Optical Clear Resin).

[0051] For example, the transmittance of the light-transmitting adhesive layer 22 to visible light is above 95%.

[0052] For example, the display panel 21 is a liquid crystal display panel.

[0053] For example, the touch screen 23 is a capacitive touch screen.

[0054] Please see Figure 2 and Figure 3 The first support frame 30 includes a first support portion 31 and a second support portion 32 connected together. The second support portion 32 is disposed inside the first support portion 31. The first support portion 31 is disposed corresponding to the peripheral area of ​​the touch screen 23 and is connected to the touch screen 23. The second support portion 32 is disposed corresponding to the edge area of ​​the display panel 21 and is connected to the display panel 21.

[0055] For example, the first support frame 30 is made of metal, such as aluminum.

[0056] Please see Figure 2 As can be seen, there is a height difference between the first support part 31 and the second support part 32, and the top surface of the second support part 32 is lower than the top surface of the first support part 31.

[0057] Please see Figure 2 and Figure 3 The first support portion 31 is distributed on the top side, left side, right side and bottom side of the display panel 21, and the second support portion 32 is distributed on the top side, left side and right side of the display panel 21.

[0058] The touch display device 100 provided in this application embodiment uses a light-transmitting adhesive layer 22 to bond the display panel 21 and the touch screen 23 into a whole. The first support part 31 of the first support frame 30 is set and connected to the outer area of ​​the touch screen 23, and the second support part 32 is set and connected to the edge area of ​​the display panel 21. Thus, any two components among the display panel 21, the touch screen 23 and the first support frame 30 can be connected, thereby improving the overall structural stability of the touch display device 100. The touch display device 100 does not need to use an aluminum frame to press against the touch screen 23 from the light-emitting side, thereby reducing or eliminating the frame of the touch display device 100, realizing a narrow frame design or a frameless design, and thus improving the user experience.

[0059] Please see Figure 2 and Figure 3 The touch screen 23 has a blind hole 231 in its peripheral area, and a nut 232 is provided in the blind hole 231. The nut 232 is fixedly connected to the hole wall of the blind hole 231. The first support part 31 has a through hole 315, which is provided corresponding to the blind hole 231. The touch display device 100 also includes a screw 40, which passes through the through hole 315 into the blind hole 231 and is threadedly connected to the nut 232.

[0060] For example, the wall of the blind hole 231 includes the sidewall and / or bottom wall of the blind hole 231.

[0061] For example, the nut 232 is made of PMMA (polymethyl methacrylate).

[0062] It should be noted that, in this embodiment of the application, a blind hole 231 is provided on the touch screen 23, a nut 232 is provided in the blind hole 231, and the touch screen 23 and the first support frame 30 are fixedly connected by the cooperation of the screw 40 and the nut 232. This connection method is relatively simple, can improve the production efficiency of the touch display device 100, and is easy to disassemble and rework.

[0063] Please see Figure 2 , Figure 3 and Figure 6 The nut 232 is fixedly connected to the wall of the blind hole 231 by an adhesive layer 233.

[0064] Exemplarily, the method steps for setting a nut 232 within a blind hole 231 on the touchscreen 23 may include:

[0065] Step 1, please refer to Figure 4Multiple blind holes 231 are formed in the outer area of ​​the substrate (tempered glass) of the touch screen 23, and the spacing between adjacent blind holes 231 can be about 200mm.

[0066] Step 2, please refer to Figure 5 A touch screen 23 is formed by bonding a substrate (tempered glass) and a sensor film together, and a nut 232 is placed in a blind hole 231.

[0067] Step 3, please refer to Figure 6 Liquid adhesive is injected between the nut 232 and the hole wall of the blind hole 231. After the liquid adhesive cures, an adhesive layer 233 is formed, and the nut 232 is fixedly connected to the hole wall of the blind hole 231 through the adhesive layer 233.

[0068] Please see Figure 2 and Figure 3 The screw 40 includes a connected head and a threaded post, the external thread of which engages with the internal thread of the nut 232.

[0069] Please see Figure 2 and Figure 3 For example, the through hole 315 includes a first hole portion and a second hole portion that are sequentially arranged and interconnected in its depth direction, wherein the first hole portion is disposed near the touch screen 23, the cross-sectional area of ​​the second hole portion gradually increases in the direction away from the end of the first hole portion, at least a portion of the head of the screw 40 enters the through hole 315, and the cross-sectional area of ​​the head of the screw 40 gradually increases in the direction away from the threaded post.

[0070] Please see Figure 2 and Figure 3 A sealing layer 51 is provided between the first support part 31 and the peripheral area of ​​the touch screen 23.

[0071] It is understood that the sealant layer 51 can seal the connection between the touch screen 23 and the first support 31, preventing external moisture and impurities from entering the gap between the touch screen 23 and the display panel 21. In some embodiments, the sealant layer 51 is a light-shielding adhesive (black) to block light leakage at the edges.

[0072] Please see Figure 2 A first foam tape 52 is provided between the second support portion 32 and the edge area of ​​the display panel 21.

[0073] For example, the first foam tape 52 is made of EVA (ethylene-vinyl acetate copolymer) or PE (polyethylene) foam as the base material, coated with solvent-based (or hot melt) pressure-sensitive adhesive on one or both sides, and then covered with release paper.

[0074] It is understandable that the first foam tape 52 can not only connect the second support part 32 to the display panel 21, but also play a buffering role between the second support part 32 and the display panel 21 to avoid collision between the display panel 21 and the second support part 32, which would cause damage to the display panel 21.

[0075] Please see Figure 2 and Figure 3 The first support frame 30 also includes a first side portion 33 and a buffer member 34. The first side portion 33 is connected to the first support portion 31, and the buffer member 34 is disposed on the side of the first side portion 33 facing the touch screen 23 and is connected to the first side portion 33.

[0076] Please see Figure 2 and Figure 3 For example, the first side portion 33 and the buffer 34 are distributed on the top side, bottom side, left side and right side of the touch screen 23.

[0077] For example, the buffer 34 is made of rubber. It can be understood that by providing a first side 33 on the first support frame 30, the side of the touch screen 23 can be protected by the first side 33. By providing a buffer 34 on the inner side of the first side 33, the buffer 34 can play a buffering role between the first side 33 and the touch screen 23 to avoid collision between the two and damage to the touch screen 23.

[0078] Please see Figure 3 The touch display device 100 further includes a second support frame 60, which is disposed inside the first support frame 30 and spaced apart from the first support frame 30; the second support frame 60 and the second support portion 32 are disposed on the same side of the display panel 21, the second support frame 60 includes a third support portion 61, the edge area of ​​the display panel 21 includes a first portion and a second portion, the first portion is connected to the second support portion 32, and the second portion is connected to the third support portion 61.

[0079] Please see Figure 2 For example, the first portion of the edge region of the display panel 21 includes portions corresponding to the top, left and right sides of the display panel 21, and the first support portion 31 is distributed on the top, left and right sides of the display panel 21.

[0080] Please see Figure 3 For example, the second portion of the edge region of the display panel 21 includes a portion corresponding to the ground side of the display panel 21, and the third support portion 61 is disposed on the ground side of the display panel 21.

[0081] Please see Figure 3 It should be noted that by setting the second support frame 60, the second support frame 60 is used to support part of the edge area of ​​the display panel 21, and the second support frame 60 is set at an interval from the first support frame 30, so that components such as flexible circuit board (COF) and PCB board connected to the display panel 21 can extend to the back of the back plate 70 through the gap between the second support frame 60 and the first support frame 30.

[0082] For example, the second support frame 60 is made of plastic (plastic frame). In conventional touch display devices 100, plastic frames are usually distributed on the top, bottom, left and right sides of the display panel 21. However, in this application, only the plastic frame (second support frame 60) needs to be set on the bottom side of the display panel 21. Therefore, the size of the plastic frame can be reduced, thereby reducing production costs.

[0083] Please see Figure 3 For example, a second foam tape 53 is provided between the second portion of the edge region of the display panel 21 and the third support portion 61.

[0084] It is understandable that the second foam tape 53 can not only connect the third support 61 to the display panel 21, but also act as a buffer between the third support 61 and the display panel 21 to avoid collision between the display panel 21 and the third support 61, which would cause damage to the display panel 21.

[0085] Please see Figure 2 and Figure 3 The touch display device 100 further includes a back plate 70, which includes a bottom plate 71 and a side plate 72 connected together; the first support frame 30 further includes a first connecting part 35, which is connected to the side of the first support part 31 away from the touch screen 23, and the first connecting part 35 is provided with a first engaging groove 355; the second support frame 60 further includes a second connecting part 62, which is connected to the side of the third support part 61 away from the display panel 21, and the second connecting part 62 is provided with a second engaging groove 625; the side plate 72 includes a first plate and a second plate, the first plate being engaged with the first engaging groove 355, and the second plate being engaged with the second engaging groove 625.

[0086] Please see Figure 2 The first connecting part 35 can be disposed on the top, left, or right side of the display panel 21. Please refer to [link / reference]. Figure 3The second connecting part 62 can be disposed on the ground side of the display panel 21. It can be seen that a part of the side plate 72 of the back plate 70 (the first plate distributed on the top, left and right sides) is engaged with the first support frame 30, and the other part (the second plate disposed on the ground side) is engaged with the second support frame 60.

[0087] For example, the first plate and the second plate are connected, and the first plate and the second plate together form a closed frame.

[0088] For example, in addition to snap-fit ​​connection, the back plate 70 and the first support frame 30 can also be connected by screws.

[0089] Please see Figure 2 and Figure 3 The base plate 71 includes a central region and a peripheral region surrounding the central region. The central region is bent away from the touch display component 20 and forms a groove 715. The touch display device 100 also includes an optical component 80, the edge region of which overlaps the peripheral region of the base plate 71.

[0090] For example, the optical component 80 is connected to the base plate 71.

[0091] Please see Figure 2 and Figure 3 The optical component 80 includes a diffuser plate 81 and an optical film 82 stacked together.

[0092] For example, the optical film 82 includes a diffusion film and / or a brightness enhancement film.

[0093] For example, a light source (not shown) is provided in the groove 715, and for example, the light source can be an LED lamp.

[0094] For example, the optical component 80 and the light source together constitute a direct-lit backlight module.

[0095] Please see Figure 2 The first support frame 30 also includes a first pressing part 36, which is connected to the side of the second support part 32 away from the touch screen 23. The first pressing part 36 is used to press the optical film 82 to prevent the optical film 82 from sliding.

[0096] Please see Figure 3 The second support frame 60 also includes a second pressing part 63, which is connected to the side of the third support part 61 away from the display panel 21. The second pressing part 63 is used to press against the optical film 82 to prevent the optical film 82 from sliding.

[0097] It is understood that the first pressing part 36 presses the optical film 82 from the top, left and right sides, and the second pressing part 63 presses the optical film 82 from the ground side.

[0098] Please see Figure 3 The first support frame 30 also includes a second side portion 37, which is connected to the side of the first support portion 31 opposite to the touch screen 23; the touch display device 100 also includes a rear shell 90, which is disposed on the side of the back plate 70 opposite to the touch display assembly 20, and the rear shell 90 is connected to the second side portion 37.

[0099] Please see Figure 3 For example, the second side portion 37 is disposed on the ground side of the display panel 21.

[0100] The touch display device provided in the embodiments of this application has been described in detail above. Specific examples have been used to illustrate the principles and implementation methods of this application. The descriptions of the embodiments above are only for the purpose of helping to understand this application. Furthermore, those skilled in the art will recognize that, based on the ideas of this application, there will be changes in the specific implementation methods and application scope. Therefore, the content of this specification should not be construed as a limitation of this application.

Claims

1. A touch display device, characterized in that, include: A touch display assembly includes a display panel, a light-transmitting adhesive layer, and a touch screen arranged in sequence. The touch screen includes a central region and a peripheral region located around the central region. The light-transmitting adhesive layer and the touch screen are disposed corresponding to the central region. The first support frame includes a first support portion and a second support portion connected together. The second support portion is disposed inside the first support portion. The first support portion is disposed corresponding to the peripheral area of ​​the touch screen and is connected to the touch screen. The second support portion is disposed corresponding to the edge area of ​​the display panel and is connected to the display panel.

2. The touch display device according to claim 1, characterized in that, The touch screen has a blind hole in its peripheral area, and a nut is installed in the blind hole, which is fixedly connected to the wall of the blind hole. The first support portion is provided with a through hole, and the through hole is provided corresponding to the blind hole; The touch display device also includes a screw that passes through the through hole into the blind hole and is threadedly connected to the nut.

3. The touch display device according to claim 2, characterized in that, The nut is fixedly connected to the wall of the blind hole by an adhesive layer; and / or, The screw includes a connected head and a threaded post, the external thread of the threaded post engaging with the internal thread of the nut.

4. The touch display device according to claim 1, characterized in that, A sealant layer is provided between the first support portion and the peripheral area of ​​the touch screen; and / or, A first foam tape is provided between the second support portion and the edge area of ​​the display panel; And / or, The first support frame further includes a first side portion and a buffer member. The first side portion is connected to the first support portion, and the buffer member is disposed on the side of the first side portion facing the touch screen and connected to the first side portion.

5. The touch display device according to claim 1, characterized in that, The touch display device further includes a second support frame, which is disposed inside the first support frame and spaced apart from the first support frame; The second support frame and the second support portion are disposed on the same side of the display panel. The second support frame includes a third support portion. The edge area of ​​the display panel includes a first portion and a second portion. The first portion is connected to the second support portion, and the second portion is connected to the third support portion.

6. The touch display device according to claim 5, characterized in that, A second foam tape is provided between the second portion of the edge area of ​​the display panel and the third support portion; and / or, The touch display device also includes a back panel, which includes a bottom plate and a side plate connected together; The first support frame further includes a first connecting part, which is connected to the side of the first support part away from the touch screen, and the first connecting part is provided with a first engaging groove. The second support frame further includes a second connecting part, which is connected to the side of the third support part away from the display panel, and the second connecting part is provided with a second engaging groove; The side plate includes a first plate and a second plate, wherein the first plate is engaged with the first engaging groove and the second plate is engaged with the second engaging groove.

7. The touch display device according to claim 6, characterized in that, The base plate includes a central region and a peripheral region located around the central region. The central region is bent away from the touch display component and forms a groove. The touch display device also includes an optical component, the edge region of which overlaps the peripheral region of the base plate.

8. The touch display device according to claim 7, characterized in that, The optical components include a diffuser plate and an optical film stacked together; and / or, A light source is installed inside the groove.

9. The touch display device according to claim 8, characterized in that, The first support frame further includes a first pressing part, which is connected to the side of the second support part away from the touch screen. The first pressing part is used to press against the optical film to prevent the optical film from sliding. And / or, The second support frame further includes a second pressing part, which is connected to the side of the third support part away from the display panel. The second pressing part is used to press against the optical film to prevent the optical film from sliding.

10. The touch display device according to claim 6, characterized in that, The first support frame also includes a second side portion, which is connected to the side of the first support portion opposite to the touch screen; The touch display device further includes a rear shell, which is disposed on the side of the back plate away from the touch display assembly, and the rear shell is connected to the second side portion.

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