TWI798763B - Electronic device and method of manufacturing the same - Google Patents

Abstract

An electronic device includes an outer housing, a touch display module, and at least one optical assembly. The outer housing has an accommodating portion and an engaging portion. The touch display module is disposed in the accommodating portion and engaged with the engaging portion. The touch display module includes a thin-film transistor substrate, a color filter substrate, and a touch electrode layer. The color filter substrate is disposed on a side of the thin-film transistor substrate facing the outer housing. The touch electrode layer is disposed between the thin-film transistor substrate and the color filter substrate. The optical assembly is disposed on a side of the color filter substrate away from the thin-film transistor substrate.

Description

Electronic device and manufacturing method thereof

The disclosure relates to an electronic device and a manufacturing method thereof.

Since a liquid crystal display (LCD) is a non-self-illuminating display device, an external light source must be used to achieve a display effect. The function of the backlight module is to supply sufficient brightness and evenly distributed light source so that the LCD panel can display images normally.

According to the arrangement position of the light source in the backlight module, it can be divided into direct backlight type and side backlight type. The light source of the direct type backlight module is arranged under the liquid crystal panel. Light can enter directly or reflect indirectly to the optical film above. The light source of the edge-lit backlight module is arranged on the side of the backlight module. After the light enters the light guide plate from the side, it is reflected to the upper optical film through the reflection plate.

However, the existing touch display modules using edge-lit backlight modules have the following limitations: (1) multi-layer optical adhesive is required for bonding, which increases the cost and difficulty of bonding operations; (2) due to the limitation of the multi-layer structure, the backlight The thickness of the module is relatively thick; and (3) the backlight module needs to be fixed with a larger frame structure, and a narrow frame structure cannot be realized. Chinese patent announcement number CN 100378541C uses a frame to buckle the display screen, and its frame design is not conducive to a narrow frame.

Therefore, how to propose an electronic device that can solve the above-mentioned problems is one of the problems that the industry is eager to devote research and development resources to solve.

In view of this, one purpose of the present disclosure is to provide an electronic device, an electronic device and a manufacturing method thereof that can solve the above problems.

In order to achieve the above object, according to an embodiment of the present disclosure, an electronic device includes a housing, a touch display module and at least one optical component. The shell has an accommodating portion and an engaging portion. The touch display module is arranged in the accommodating part and engaged with the engaging part. The touch display module includes a thin film transistor substrate, a color filter substrate and a touch electrode layer. The color filter substrate is arranged on the side of the thin film transistor substrate facing the shell. The touch electrode layer is disposed on a surface of one of the thin film transistor substrate and the color filter substrate. The optical component is arranged on the side of the color filter substrate away from the TFT substrate.

In one or more embodiments of the present disclosure, the thin film transistor substrate extends outward relative to the color filter substrate by at least one extension portion. The extension part is engaged with the engaging part.

In one or more embodiments of the present disclosure, the electronic device further includes a pressure-sensitive adhesive layer. The pressure-sensitive adhesive layer is disposed and contacts between the extension part and the engaging part.

In one or more embodiments of the present disclosure, the touch display module further includes a polarizer. The polarizer is arranged and in contact with the side of the thin film transistor substrate away from the shell.

In one or more embodiments of the present disclosure, the polarizer constitutes a part of the appearance surface of the electronic device.

In one or more implementations of the present disclosure, the touch display module further includes a light-shielding layer. The light-shielding layer is arranged on the polarizer.

In one or more embodiments of the present disclosure, the touch display module further includes a polarizer. The polarizer is arranged on the side of the color filter substrate away from the TFT substrate. The optical component is directly arranged on the side of the polarizer away from the color filter substrate.

In one or more embodiments of the present disclosure, the optical component includes one or a combination of a brightness enhancement film, a diffusion film, and a reflection sheet.

In one or more embodiments of the present disclosure, the optical component directly contacts the inner bottom surface of the accommodating portion.

In one or more embodiments of the present disclosure, the electronic device further includes a backlight assembly. The backlight assembly is arranged in the accommodating part and overlapped with the optical assembly.

In one or more embodiments of the present disclosure, the backlight unit is an edge-lit backlight unit or a direct-lit backlight unit.

In one or more embodiments of the present disclosure, the direct type backlight assembly includes submillimeter light emitting diodes.

In one or more embodiments of the present disclosure, the engaging portion is a stepped structure located in the accommodating portion.

In order to achieve the above object, according to an embodiment of the present disclosure, an electronic device includes a casing, a touch display module, a backlight module, a first pressure-sensitive adhesive layer, and a second pressure-sensitive adhesive layer. The shell has an accommodating portion. The touch display module is arranged in the accommodating part, and includes a thin film transistor substrate, a color filter substrate and a touch electrode layer. The color filter substrate is arranged on the side of the thin film transistor substrate facing the shell. The touch electrode layer is disposed on a surface of the color filter substrate facing or away from the TFT substrate. The backlight module is arranged in the accommodating part, and is located between the casing and the touch display module. The first pressure-sensitive adhesive layer is arranged and contacted between the color filter substrate and the backlight module. The second pressure-sensitive adhesive layer is arranged and contacts between the backlight module and the inner bottom surface of the accommodating part.

In one or more embodiments of the present disclosure, the touch display module further includes a polarizer. The polarizer is arranged and in contact with the side of the thin film transistor substrate away from the casing.

In one or more embodiments of the present disclosure, the polarizer constitutes a part of the appearance surface of the electronic device.

In one or more implementations of the present disclosure, the touch display module further includes a light-shielding layer. The light-shielding layer is arranged on the polarizer.

In order to achieve the above object, according to an embodiment of the present disclosure, a method of manufacturing an electronic device includes: laminating a thin film transistor substrate and a color filter substrate; The touch electrode layer; forming a light-shielding layer on the polarizer; laminating the polarizer on the side of the thin film transistor substrate away from the color filter substrate; cutting the polarizer so that the edge of the cut polarizer is in line with the edge of the thin film transistor substrate The edges are aligned, wherein the thin film transistor substrate, the color filter substrate, the polarizer and the light-shielding layer constitute at least a part of the touch display module; It constitutes a part of the exterior surface of the electronic device.

To sum up, in the electronic device disclosed in the present disclosure, the touch display module is assembled into the accommodating part of the housing with the thin film transistor substrate and the color filter substrate facing away from and facing the housing respectively, and the thin film transistor The extension portion of the edge of the crystal substrate is fixed to the engaging portion of the housing. In other words, the electronic device of the present disclosure uses the thin film transistor substrate as a fixed structure and replaces the conventional glass cover, so the thickness of the electronic device can be reduced. In addition, each component of the backlight module is directly stacked in the housing portion, which saves the iron and plastic parts used in the conventional backlight module, thus reducing the thickness of the electronic device.

The above description is only used to explain the problems to be solved by the present disclosure, the technical means to solve the problems, and the effects thereof, etc. The specific details of the present disclosure will be introduced in detail in the following implementation methods and related drawings.

The following will disclose multiple implementations of the present disclosure with diagrams, and for the sake of clarity, many practical details will be described together in the following description. However, it should be understood that these practical details should not be used to limit the present disclosure. That is to say, in some embodiments of the present disclosure, these practical details are unnecessary. In addition, for the sake of simplifying the drawings, some well-known structures and components will be shown in a simple and schematic manner in the drawings.

Please refer to FIG. 1 , which is a schematic diagram illustrating an electronic device 100 according to an embodiment of the present disclosure. As shown in FIG. 1 , in this embodiment, the electronic device 100 includes a casing 110 , a touch display module 120 and a backlight module 130 . The housing 110 has an accommodating portion 111 and an engaging portion 112 . The touch display module 120 is disposed in the accommodating portion 111 and engages with the engaging portion 112 . The touch display module 120 includes a thin film transistor substrate 121 , a color filter substrate 122 and a touch electrode layer 123 (first refer to FIG. 4 and FIG. 5 ). The color filter substrate 122 is disposed on a side of the TFT substrate 121 facing the housing 110 . The touch electrode layer 123 is disposed on a surface of one of the thin film transistor substrate 121 and the color filter substrate 122 . The backlight module 130 is disposed on a side of the color filter substrate 122 away from the TFT substrate 121 . The backlight module 130 includes an optical component 131 and a backlight component 132 . The optical assembly 131 and the backlight assembly 132 are superimposed on each other in the accommodating portion 111 .

Specifically, the thin film transistor substrate 121 extends an extension portion 121a outward relative to the color filter substrate 122 . The extension part 121 a is engaged with the engaging part 112 of the housing 110 . With the aforementioned structural configuration, the electronic device 100 of this embodiment can use the thin film transistor substrate 121 as a fixed structure instead of the conventional glass cover, so the thickness of the electronic device 100 can be reduced.

As shown in FIG. 1 , in this embodiment, the electronic device 100 further includes a pressure-sensitive adhesive layer 140 . The pressure-sensitive adhesive layer 140 is disposed and contacts between the extension portion 121 a of the TFT substrate 121 and the engaging portion 112 of the housing 110 . The pressure-sensitive adhesive layer 140 has good adhesive properties and is suitable for heavy work.

In some implementations, the thin film transistor substrate 121 has a plurality of extensions 121 a respectively extending outward from the plurality of edges of the thin film transistor substrate 121 relative to the color filter substrate 122 .

As shown in FIG. 1 , in this embodiment, the engaging portion 112 of the housing 110 is a stepped structure located on the inner wall of the accommodating portion 111 .

As shown in FIG. 1 , in this embodiment, the electronic device 100 further includes two polarizers 124a, 124b. The polarizer 124 a is disposed on and contacts a side of the thin film transistor substrate 121 away from the housing 110 . The polarizer 124 a constitutes a part of the exterior surface of the electronic device 100 . The polarizer 124 b is disposed on a side of the color filter substrate 122 away from the TFT substrate 121 . The backlight module 130 is directly disposed on the side of the polarizer 124 b away from the color filter substrate 122 . It should be noted that the “direct setting” referred to here refers to a setting method without the assistance of other components. Therefore, each component of the backlight module 130 is directly stacked in the accommodating portion 111 of the casing 110 , which saves the iron and plastic parts used in the conventional backlight module, thereby further reducing the thickness of the electronic device 100 .

In detail, the optical component 131 of the backlight module 130 includes enhancement films 131a1 , 131a2 , a diffusion film 131b and a reflection sheet 131c , wherein the reflection sheet 131c is in direct contact with the inner bottom surface of the accommodating portion 111 . The backlight assembly 132 of the backlight module 130 includes a light guide plate 132a and a light source 132b. The enhancement films 131a1 , 131a2 , the diffusion film 131b , the light guide plate 132a and the reflection sheet 131c are sequentially stacked in the accommodating portion 111 from top to bottom. The light emitted by the light source 132b enters the light guide plate 132a from the side surface of the light guide plate 132a, and can be reflected by the reflective sheet 131c to exit from the upper surface of the light guide plate 132a. The light exiting the light guide plate 132a can pass through the diffusion film 131b, the enhancement films 131a2, 131a1, the polarizer 124b, the color filter substrate 122, the TFT substrate 121 and the polarizer 124a in order to leave the electronic device 100. The backlight unit 132 of this embodiment can be called a side backlight type backlight unit.

Please refer to FIG. 2 , which is a flowchart illustrating a manufacturing method of an electronic device according to an embodiment of the present disclosure. The manufacturing method of the electronic device in this embodiment mainly includes step S101 to step S106 , and reference may be made to FIG. 1 and FIG. 3 to FIG. 8 . FIG. 3 and FIG. 6 to FIG. 8 are schematic diagrams showing different manufacturing stages of the electronic device 100 in FIG. 1 .

Step S101 (please refer to FIG. 3 ): laminating the TFT substrate 121 and the color filter substrate 122 . As shown in FIG. 3 , the thin film transistor substrate 121 extends an extension portion 121 a outward relative to the color filter substrate 122 .

Step S102 : disposing the touch electrode layer 123 on a surface of the color filter substrate 122 or the TFT substrate 121 . Please refer to Figure 4 and Figure 5 together. FIG. 4 is a schematic diagram illustrating some elements of the touch display module 120 according to an embodiment of the present disclosure. FIG. 5 is a schematic diagram illustrating some components of a touch display module 120 according to another embodiment of the present disclosure.

In the embodiment shown in FIG. 4, the touch electrode layer 123 is disposed on a surface of the color filter substrate 122 facing the thin film transistor substrate 121, and is located between the thin film transistor substrate 121 and the color filter substrate 122. Between (that is, the touch electrode layer 123 is embedded in the liquid crystal pixel). The structure shown in FIG. 4 can be called an In-Cell touch display panel.

In the embodiment shown in FIG. 5, the touch electrode layer 123 is disposed on a surface of the color filter substrate 122 away from the TFT substrate 121 (that is, the touch electrode layer 123 is embedded in the color filter between the substrate 122 and the polarizer 124b). The structure shown in FIG. 5 can be called an On-Cell touch display panel. In some other implementation manners, the touch electrode layer 123 can also be disposed on a surface of the thin film transistor substrate 121 away from the color filter substrate 122 (that is, the touch electrode layer 123 is embedded in the thin film transistor substrate 121 and between polarizers 124a).

Step S103 (please refer to FIG. 6 ): forming a light-shielding layer 125 on the polarizer 124a.

In some embodiments, the light-shielding layer 125 is printed on the polarizer 124a by black ink, for example, through a printing process, but the present disclosure is not limited thereto.

Step S104 (please refer to FIG. 6 ): the polarizer 124 a is stacked on the side of the TFT substrate 121 away from the color filter substrate 122 .

In some embodiments, the surface of the polarizer 124 a away from the TFT substrate 121 is treated with anti-scratch treatment.

Step S105 (please refer to Figure 7): cutting the polarizer 124a so that the edge of the cut polarizer 124a is aligned with the edge of the thin film transistor substrate 121, wherein the thin film transistor substrate 121, the color filter substrate 122, The polarizer 124 a and the light shielding layer 125 constitute at least a part of the touch display module 120 . It should be noted that in the edge trimming process, there may be a cutting error of 0 mm to 0.1 mm for the polarizer 124 a and the TFT substrate 121 . The aforesaid minimal cutting error also belongs to the category defined by edge trimming.

In some embodiments, the cutting of the polarizer 124a is by laser cutting technology, but the present disclosure is not limited thereto.

It should be noted that, since the manufacturing method of the electronic device 100 of this embodiment is to attach the polarizer 124a on the thin film transistor substrate 121 first, and then cut off the part of the polarizer 124a beyond the edge of the thin film transistor substrate 121, therefore The alignment problem between the polarizer 124a and the thin film transistor substrate 121 can be effectively solved, and the polarizer 124a can be completely attached to the thin film transistor substrate 121 (that is, there is no gap between them).

Step S106 (please refer to FIG. 8 ): place the touch display module 120 in the accommodating portion 111 of the housing 110 , so that the polarizer 124 a constitutes a part of the appearance surface of the electronic device 100 .

When performing step S106, the pressure-sensitive adhesive layer 140 can be disposed on the engaging portion 112 of the housing 110 first, and then the extension portion 121a of the thin film transistor substrate 121 is pressed onto the pressure-sensitive adhesive layer 140 to complete the touch display module. Assembly 120 to the manufacturing process of housing 110 .

In some implementations, after the step S105 and before the step S106, the polarizer 124b can be stacked on the side of the color filter substrate 122 away from the TFT substrate 121 .

In some embodiments, after the step S105 and before the step S106, the backlight module 130 can be directly disposed in the accommodating portion 111 of the housing 110 .

After completing the above steps, the electronic device 100 shown in FIG. 1 can be obtained.

Please refer to FIG. 9 , which is a schematic diagram illustrating an electronic device 200 according to another embodiment of the present disclosure. As shown in FIG. 9, in this embodiment, the electronic device 200 includes a casing 110, a touch display module 120, and a backlight module 230, wherein the casing 110 is the same as or similar to the touch display module 120 shown in FIG. 1. Therefore, the relevant description of these components can refer to the above, and will not be repeated here. Compared with the embodiment shown in FIG. 1 , this embodiment provides a modified backlight module 230 . Specifically, in this embodiment, the backlight module 230 includes an optical component 231 and a backlight component 232 . The optical component 231 includes enhancement films 131a1, 131a2 and an optical film 231b. The backlight assembly 232 includes a plurality of light sources 232b. The light sources 232b are uniformly disposed on the inner bottom surface of the accommodating portion 111 . The enhancement films 131 a 1 , 131 a 2 and the optical film 231 b of the optical component 231 are sequentially stacked on the backlight component 232 from top to bottom. The backlight unit 232 of this embodiment can be called a direct backlight type backlight unit.

In some embodiments, the light source 232b is a submillimeter light emitting diode (Mini LED), but the present disclosure is not limited thereto. In some embodiments, the size of the submillimeter LED is between about 50 µm (micrometer) and about 200 µm.

Please refer to Figure 10 and Figure 11. FIG. 10 is a schematic diagram illustrating an electronic device 300 according to another embodiment of the present disclosure. FIG. 11 is a schematic diagram illustrating a manufacturing stage of the electronic device 300 in FIG. 10 . As shown in FIG. 10 and FIG. 11 , in this embodiment, the electronic device 300 includes a housing 310 , a touch display module 120 and a backlight module 330 . The touch display module 120 includes a thin film transistor substrate 121 , a color filter substrate 122 and a touch electrode layer 123 . The color filter substrate 122 is disposed on a side of the TFT substrate 121 facing the housing 310 . The touch electrode layer 123 is disposed on a surface of one of the thin film transistor substrate 121 and the color filter substrate 122 . The backlight module 330 is disposed on a side of the color filter substrate 122 away from the TFT substrate 121 . The electronic device 300 further includes two polarizers 124a, 124b. The polarizer 124 a is disposed on and contacts a side of the thin film transistor substrate 121 away from the housing 310 . The polarizer 124 a constitutes a part of the exterior surface of the electronic device 300 . The polarizer 124 b is disposed on a side of the color filter substrate 122 away from the TFT substrate 121 . The backlight module 330 is directly disposed on the side of the polarizer 124 b away from the color filter substrate 122 . It should be noted that the “direct setting” referred to here refers to a setting method without the assistance of other components.

Compared with the embodiment shown in FIG. 1 , this embodiment provides a modified housing 310 and a backlight module 330 . Specifically, in this embodiment, the housing 310 has an accommodating portion 311 . The components of the backlight module 330 are directly stacked in the housing portion 311 of the housing 310 , eliminating the iron and plastic parts used in conventional backlight modules, and further reducing the thickness of the electronic device 300 . In addition, the electronic device 300 further includes a first pressure-sensitive adhesive layer 340a and a second pressure-sensitive adhesive layer 340b. The first pressure-sensitive adhesive layer 340 a is disposed and contacts between the color filter substrate 122 and the backlight module 330 . The second pressure-sensitive adhesive layer 340 b is disposed and contacts between the backlight module 330 and the inner bottom surface of the accommodating portion 311 . The first pressure-sensitive adhesive layer 340a and the second pressure-sensitive adhesive layer 340b have better adhesive properties and are suitable for heavy work.

With the aforementioned structural configuration, the electronic device 300 of this embodiment can replace the conventional glass cover plate with the thin film transistor substrate 121 , so the thickness of the electronic device 300 can be reduced. Moreover, in the electronic device 300 of this embodiment, the touch display module 120 and the backlight module 330 are sequentially and directly stacked on the inner bottom surface of the accommodating portion 311 from top to bottom, so that the electronic device can 300 achieves the purpose of extremely narrow frame.

In addition, the electronic device 300 of this embodiment shown in FIG. 10 can also be manufactured through steps S101 to S106 shown in FIG. 2 . It should be noted that, in some embodiments, after the step S105 and before the step S106, the polarizer 124b can be stacked on the side of the color filter substrate 122 away from the TFT substrate 121 .

In some implementations (please refer to FIG. 11 ), when step S106 is performed, the touch display module 120 and the backlight module 330 can be pasted together using the first pressure-sensitive adhesive layer 340a, and then the first pressure-sensitive adhesive layer 340a can be used to bond The two pressure-sensitive adhesive layers 340b adhere the backlight module 330 to the inner bottom surface of the accommodating portion 311 .

After completing the above steps, the electronic device 300 shown in FIG. 10 can be obtained.

From the above detailed description of the specific implementation of the present disclosure, it can be clearly seen that in the electronic device of the present disclosure, the touch display module has a thin film transistor substrate and a color filter substrate facing away from and facing the housing respectively. Assembled into the accommodating part of the housing in a manner, and fixed to the engaging part of the housing by the extension part of the edge of the thin film transistor substrate. In other words, the electronic device of the present disclosure uses the thin film transistor substrate as a fixed structure and replaces the conventional glass cover, so the thickness of the electronic device can be reduced. In addition, each component of the backlight module is directly stacked in the housing portion, which saves the iron and plastic parts used in the conventional backlight module, thus reducing the thickness of the electronic device.

Although the present disclosure has been disclosed above in terms of implementation, it is not intended to limit this disclosure. Any person skilled in the art may make various changes and modifications without departing from the spirit and scope of this disclosure. Therefore, the protection of this disclosure The scope shall be defined by the scope of the appended patent application.

100,200,300: electronic devices 110,310: shell 111,311:Accommodating part 112: engaging part 120:Touch display module 121: Thin film transistor substrate 121a: Extension 122: Color filter substrate 123: Touch electrode layer 124a, 124b: Polarizer 125: shading layer 130,230,330: backlight module 131,231: Optical components 131a1, 131a2: Brightening film 131b: Diffusion film 131c: reflector 132,232: Backlight components 132a: light guide plate 132b, 232b: light source 140, 340a, 340b: pressure-sensitive adhesive layer 231b: Optical film S101~S106: steps

In order to make the above and other purposes, features, advantages and embodiments of the present disclosure more comprehensible, the accompanying drawings are described as follows: FIG. 1 is a schematic diagram illustrating an electronic device according to an embodiment of the present disclosure. FIG. 2 is a flowchart illustrating a manufacturing method of an electronic device according to an embodiment of the present disclosure. FIG. 3 is a schematic diagram illustrating a manufacturing stage of the electronic device in FIG. 1 . FIG. 4 is a schematic diagram illustrating some components of a touch display module according to an embodiment of the present disclosure. FIG. 5 is a schematic diagram illustrating some components of a touch display module according to another embodiment of the present disclosure. FIG. 6 is a schematic diagram illustrating a manufacturing stage of the electronic device in FIG. 1 . FIG. 7 is a schematic diagram illustrating a manufacturing stage of the electronic device in FIG. 1 . FIG. 8 is a schematic diagram illustrating a manufacturing stage of the electronic device in FIG. 1 . FIG. 9 is a schematic diagram illustrating an electronic device according to another embodiment of the present disclosure. FIG. 10 is a schematic diagram illustrating an electronic device according to another embodiment of the present disclosure. FIG. 11 is a schematic diagram illustrating a manufacturing stage of the electronic device in FIG. 10 .

Domestic deposit information (please note in order of depositor, date, and number) none Overseas storage information (please note in order of storage country, institution, date, and number) none

100: Electronic device 110: shell 111:Accommodating part 112: engaging part 120:Touch display module 121: Thin film transistor substrate 121a: Extension 122: Color filter substrate 124a, 124b: Polarizer 130:Backlight module 131: Optical components 131a1, 131a2: Brightening film 131b: Diffusion film 131c: reflector 132: Backlight assembly 132a: light guide plate 132b: light source 140: pressure sensitive adhesive layer

Claims (17)

An electronic device, comprising: a housing with an accommodating portion and a locking portion; a touch display module set in the accommodating portion, the touch display module comprising: a color filter substrate; a The thin film transistor substrate is arranged on the side of the color filter substrate away from the housing, and at least one extension part is extended outward relative to the color filter substrate, and the at least one extension part is engaged with the engaging part; and a touch electrode layer disposed on a surface of one of the thin film transistor substrate and the color filter substrate; and at least one optical component disposed on the color filter substrate away from the thin film transistor substrate side. The electronic device according to claim 1, further comprising a pressure-sensitive adhesive layer disposed and in contact between the at least one extending portion and the engaging portion. The electronic device according to claim 1, wherein the touch display module further includes a polarizer, and the polarizer is disposed on and contacts a side of the thin film transistor substrate away from the housing. The electronic device as claimed in item 3, wherein the polarized light The sheet constitutes a part of the exterior surface of the electronic device. The electronic device according to claim 3, wherein the touch display module further includes a light-shielding layer disposed on the polarizer. The electronic device as described in claim 1, wherein the touch display module further includes a polarizer, the polarizer is disposed on the side of the color filter substrate away from the thin film transistor substrate, and the at least one optical component It is directly arranged on the side of the polarizer away from the color filter substrate. The electronic device according to claim 1, wherein the at least one optical component includes one or a combination of a light enhancement film, a diffusion film, and a reflection sheet. The electronic device according to claim 1, wherein the at least one optical component directly contacts an inner bottom surface of the accommodating portion. The electronic device according to claim 1, further comprising a backlight assembly disposed in the accommodating portion and overlapping with the at least one optical assembly. The electronic device as described in claim 9, wherein the back The light assembly is a side-lit backlight assembly or a direct-lit backlight assembly. The electronic device according to claim 10, wherein the direct-lit backlight assembly comprises submillimeter light-emitting diodes. The electronic device according to claim 1, wherein the engaging portion is a stepped structure on an inner sidewall of the accommodating portion. An electronic device, comprising: a housing with an accommodating portion; a touch display module disposed in the accommodating portion, and comprising: a thin film transistor substrate; a color filter substrate disposed in the thin film transistor a side of the crystal substrate facing the housing; and a touch electrode layer disposed on a surface of the color filter substrate facing or away from the thin film transistor substrate; a backlight module disposed in the accommodating portion, and Located between the housing and the touch display module; a first pressure-sensitive adhesive layer, disposed and in contact between the color filter substrate and the backlight module; and a second pressure-sensitive adhesive layer, disposed and Contact between the backlight module and an inner bottom surface of the accommodating part. The electronic device as described in claim 13, wherein the touch The control display module further includes a polarizer, and the polarizer is arranged and in contact with the side of the thin film transistor substrate away from the casing. The electronic device according to claim 14, wherein the polarizer constitutes a part of the appearance surface of the electronic device. The electronic device according to claim 14, wherein the touch display module further includes a light-shielding layer disposed on the polarizer. A method of manufacturing an electronic device, comprising: laminating a thin film transistor substrate and a color filter substrate, making the thin film transistor substrate have at least one extension extending outward relative to the color filter substrate; A touch electrode layer is arranged on a surface of the filter substrate or the thin film transistor substrate; a light-shielding layer is formed on a polarizer; the polarizer is laminated on the thin film transistor substrate away from the color filter substrate One side; cut the polarizer so that the edge of the cut polarizer is aligned with the edge of the thin film transistor substrate, wherein the thin film transistor substrate, the color filter substrate, the polarizer and the light shielding layer constitute At least a part of a touch display module; and the touch display module through the at least part of the thin film transistor substrate An extension part is engaged with an engaging part of a housing and accommodated in a receiving part of the housing, so that the polarizer forms a part of an appearance surface of an electronic device.

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