Patent Description:
The present disclosure generally relates to the field of mobile terminals, and more particularly, to a touch display screen and a mobile terminal.

With the development of mobile terminals, full screens have become a popular development trend. A middle frame of a full-screen mobile terminal for installation of a display screen is narrowed to increase the screen-to-body ratio of the display screen. However, an antenna assembly is usually arranged at a side portion of the mobile terminal, and a distance between an antenna and the middle frame for the display screen is reduced as the middle frame for the display screen becomes larger and larger. As a result, the communication effect of the antenna can be diminished. Touch displays are disclosed in <CIT>, <CIT> and <CIT>.

In <CIT>, a touch sensor has one substrate having a plurality of regions that are at least a planar region and a side surface region which is continuous to the planar region and is bent with respect to the planar region, a touch sensor portion provided in the planar region of the substrate, and an antenna provided in a region other than the planar region of the substrate. The substrate is constituted of a flexible transparent substrate. The touch sensor portion includes a detection portion and a peripheral wire portion, and at least the detection portion is constituted of a thin metal wire.

<CIT> discloses a touch screen having an antenna, including: a first substrate that includes a first electrode pattern formed in an active region and a first electrode wiring formed in an inactive region disposed outside the active region and connected to the first electrode pattern; a second substrate that includes a second electrode pattern opposite to the first electrode pattern and a second electrode wiring connected to the second electrode pattern; a spacer that is formed between the first substrate and the second substrate to space the first electrode pattern from the second electrode pattern; and an antenna pattern that is formed in the inactive region.

<CIT> discloses a bent display device including: a display panel including a planar surface portion and a curved surface portion at an edge of the planar surface portion; a window having substantially the same shape as a shape of the display panel and disposed on the display panel; a first touch sensor overlapping the planar surface portion; and a second touch sensor overlapping the curved surface portion. The first touch sensor and the second touch sensor detect a touch using different methods, respectively.

The present disclosure provides a touch display screen and a mobile terminal to overcome defects in the related art. According to a first aspect of the present disclosure, there is provided a mobile terminal as defined by claim <NUM>.

In an embodiment, the touch electrode can be arranged within a range of the preset distance away from the antenna assembly.

In an embodiment, the antenna assembly is arranged at the curved portion of the touch display screen. The antenna assembly can be a transparent assembly. Further, the substrate can be one of a transparent substrate plate or a transparent film layer.

In an embodiment, the touch display screen can further include a display assembly having an encapsulation layer as the substrate. Also, the touch display screen can further include a display assembly having an encapsulation layer that is arranged on the substrate.

The mobile terminal provided by the present disclosure at least has the following beneficial effects. Specifically, in embodiments of the present disclosure, the antenna assembly is arranged on the substrate of the touch electrodes and the touch traces, such that a large clearance area is provided for the antenna assembly, and influence on the antenna assembly caused by a full screen in the related art can be addressed. Moreover, in such a manner, the structural integration level of assemblies is effectively improved. Space in the mobile terminal originally used for mounting the antenna assembly is saved, which satisfies a light-thin design requirement for the mobile terminal.

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate exemplary embodiments consistent with the disclosure and, together with the description, serve to explain the principles of the disclosure.

The embodiment relating to <FIG> and corresponding description passages are covered by the claimed invention. However, the embodiments relating to the remaining figures and corresponding description passages are useful for understanding the invention.

Exemplary embodiments of the present disclosure will be described in detail and examples of the embodiments will be illustrated in the drawings. When the following description refers to the drawings, unless specified otherwise, the same numbers in different drawings represent the same or similar elements. The implementations described in the following exemplary embodiments do not represent all implementations consistent with the present disclosure, and instead they are merely examples of devices consistent with aspects of the present disclosure as detailed in the appended claims.

The terms "a," "an," and the like used in the specification and the claims are not intended to limit the number but include at least one. Unless otherwise indicated, the terms "comprising" or "including" herein means that the elements or articles presenting before the terms "comprising" or "including" contain the elements or articles presenting after the terms "comprising" or "including", but do not preclude other elements or articles. The term "connected" or "coupled" and the like is not limited to physical or mechanical connection, but may be electric connection regardless of direct connection or indirect connection.

As used in the description of the present disclosure and the appended claims, "a" and "the" in singular forms mean including plural forms, unless clearly indicated in the context otherwise. It should also be understood that, as used herein, the term "and/or" represents and contains any one and all possible combinations of one or more associated listed items.

An antenna assembly constitutes an important part of a mobile terminal, and the mobile terminal performs communication by means of the antenna assembly. A certain clearance area should be reserved during arrangement of the antenna assembly, to prevent other components from affecting the communication effect of the antenna assembly. However, it is difficult to set up a sufficient clearance area with the higher and higher screen-to-body ratio of a display screen of the mobile terminal.

Based on the above, embodiments of the present disclosure provide a touch display screen and a mobile terminal. <FIG> illustrate schematic diagrams of touch display screens provided by different exemplary embodiments. <FIG> illustrate schematic diagrams of mobile terminals provided by different exemplary embodiments, wherein the embodiment of <FIG> is the one covered by the claimed invention.

In a first aspect, the present disclosure provides a touch display screen. As illustrated in <FIG>, a touch display screen <NUM> includes a display assembly <NUM> that can be configured to display images. For example, the display assembly <NUM> can be an organic light-emitting diode (OLED) display screen or a liquid crystal display (LCD). As shown in <FIG> and <FIG>, the display assembly <NUM> may include an encapsulation layer <NUM>. For example, the display assembly <NUM> can be encapsulated by a glass encapsulation layer <NUM>. Alternatively, the display assembly <NUM> can be encapsulated by a thin film encapsulation layer <NUM>. The encapsulation layer <NUM> can improve a structural stability of the display assembly <NUM>.

Referring again to <FIG>, the touch display screen <NUM> includes a touch assembly <NUM>. As illustrated in <FIG> and <FIG>, the touch assembly <NUM> includes a touch electrode <NUM>, a touch trace <NUM> connected to the touch electrode <NUM>, and a touch chip <NUM> connected to the touch trace. The touch chip <NUM> is configured to receive a signal output by the touch electrode <NUM> and to implement a touch function of the touch assembly <NUM>. The touch electrode <NUM> can be arranged in many ways, which will be elaborated hereinafter referring to embodiments.

As illustrated in <FIG>, touch electrodes <NUM> can be in the shape of a rhombus and arranged in rows and columns. Moreover, adjacent touch electrodes <NUM> in the same row or column are in electrical communication (for example, by bridging connection).

As illustrated in <FIG>, touch electrodes <NUM> can be in the shape of a strip and arranged in rows and columns, where the rows and columns of the touch electrodes <NUM> overlap.

Each row and each column of touch electrodes <NUM> are connected to the touch chip <NUM> by means of the touch traces <NUM>. The touch electrode <NUM> at a contact positon between an external assembly and the touch assembly <NUM> generates a charge change during use, and the touch chip <NUM> receives the position information of the charge change by means of the touch trace <NUM>, thereby implementing a touch operation.

Moreover, the touch assembly <NUM> further includes a substrate <NUM>. The touch electrode <NUM> and the touch trace <NUM> are arranged on the substrate <NUM>. Optionally, the substrate <NUM> is a transparent thin film layer, or the substrate <NUM> is a transparent substrate plate, such as a glass plate.

Regarding the implementation of the substrate <NUM>, optionally, as illustrated in <FIG>, the substrate <NUM> is one of components of the touch assembly <NUM> and arranged on the encapsulation layer <NUM> of the display assembly <NUM>. In such a manner, the touch assembly <NUM> is independent from the display assembly <NUM>, and it is convenient to replace and maintain assemblies when one of the touch assembly <NUM> and the display assembly <NUM> fails.

Optionally, as illustrated in <FIG>, the substrate <NUM> is part of the encapsulation layer <NUM> of the display assembly <NUM>. In such a manner, the display assembly <NUM> and the touch assembly <NUM> share the encapsulation layer <NUM>, which improves the structural integration level of the touch display screen <NUM> and helps to reduce the thickness of the whole touch display screen <NUM>, thereby optimizing user experience.

In embodiments of the present disclosure, as illustrated in <FIG> and <FIG>, the touch display screen <NUM> further includes an antenna assembly <NUM> arranged on the substrate <NUM>. As shown, the antenna assembly <NUM> is spaced apart from the touch trace <NUM> by a preset distance so that they do not affect each other's operation. The preset distance can be the closest distance that the antenna assembly <NUM> is arranged away from the touch trace <NUM>, where there is little or no mutual influence between the antenna assembly <NUM> and the touch trace <NUM>. For example, in some embodiments the preset distance can range from <NUM> to <NUM> or the like.

Moreover, optionally, the antenna assembly <NUM> can be a transparent assembly made from a transparent material, to guarantee a normal display function of the touch display screen <NUM>.

In embodiments of the present disclosure, the antenna assembly <NUM> is arranged in the touch assembly <NUM>. In such a manner, when a full screen is employed, the antenna assembly <NUM> can have a sufficient clearance area. Moreover, the structural integration level of assemblies can be improved. When the touch display screen <NUM> is mounted in a mobile terminal, a space in the mobile terminal originally used for mounting the antenna assembly <NUM> is saved, which helps to realize a light-thin design of the mobile terminal.

In an embodiment, no touch electrode <NUM> is arranged on the substrate <NUM> within the range of the preset distance from the antenna assembly <NUM>. In such a manner, mutual influence among the touch electrode <NUM>, the touch trace <NUM>, and the antenna assembly <NUM> can be further avoided.

In <FIG> and <FIG>, the antenna assembly <NUM> is arranged in a side edge area <NUM> of the substrate <NUM>. Usually, the touch electrode <NUM> is arranged in a middle area of the substrate <NUM>, so it is convenient to reserve sufficient space in the side edge area <NUM> for arranging the antenna assembly <NUM>. Moreover, the arrangement of the touch trace <NUM> in the side edge area <NUM> and the arrangement of the touch electrode <NUM> adjacent to the side edge area <NUM> are adjusted to reserve the clearance area for mounting the antenna assembly <NUM>.

Usually, when a user uses the touch display screen <NUM>, there are fewer touch operations at an edge of the touch assembly <NUM>. Therefore, the appropriate removal of the touch electrode <NUM> at the side edge area <NUM> of the substrate <NUM> does not affect the touch operations on the touch display screen <NUM>, and guarantees that the antenna assembly <NUM> has the sufficient clearance area.

In <FIG>, the touch display screen <NUM> includes a curved portion X. In such a case, the touch display screen <NUM> is bent as a whole, that is, the display assembly <NUM> (not illustrated in <FIG>) and the substrate <NUM> both include curved portions. In such a case, the antenna assembly <NUM> is arranged on the curved portion X.

Moreover, the touch electrode <NUM> on the curved portion X is removed, and the arrangement of the touch trace <NUM> is adjusted, so as to evade the antenna assembly <NUM>. In such a manner, the curved portion X only has a display function but no touch function (for example, the curved portion can display icons such as power, weather, time, etc., or display a designated image). When the touch display screen <NUM> is arranged in the mobile terminal, the curved portion X is located at a side edge of the mobile terminal. When the user holds the mobile by hand, the user may easily touch the side edge of the mobile terminal, so the influence caused by unintended touch can be avoided by removing the touch function of the curved portion X. In such a manner, the antenna assembly <NUM> can be arranged reasonably and the user experience of the touch display screen <NUM> can be optimized.

In addition, as illustrated in <FIG>, a polarized assembly <NUM> and a protective cover <NUM> further cover the touch assembly <NUM> to guarantee the use effect and structural safety of the touch display screen <NUM>.

A second aspect of the present disclosure provides a mobile terminal. Optionally, the mobile terminal is a mobile phone, a tablet computer, a wearable device (such as a bracelet, a watch, etc.), an in-vehicle device, a medical device, and the like having a display panel. The drawings only illustrate the mobile phone for ease of explanation.

As illustrated in <FIG>, the mobile terminal includes a housing <NUM>, and the touch display screen <NUM> provided by the above first aspect. The housing <NUM> includes a side edge <NUM> and a rear cover plate <NUM>, and the side edge <NUM> and the rear cover plate <NUM> define a mounting chamber. The touch display screen <NUM> is mounted on the housing and seals the mounting chamber, thereby forming a display surface.

Moreover, a controller of the mobile terminal is mounted in the mounting chamber. Optionally, the antenna assembly <NUM> is connected to the controller in the mounting chamber by means of a flexible printed circuit board to implement the communication function of the mobile terminal.

For the mobile terminal provided by embodiments of the present disclosure, the high screen-to-body ratio and the sufficient clearance area for the antenna assembly <NUM> are both taken into account, and the high-quality communication of the mobile terminal is ensured. Moreover, the structural integration level of the overall terminal is higher, and the light-thin design can be achieved.

In <FIG>, in combination with <FIG>, the touch display screen <NUM> includes the curved portion X extending to the side edge <NUM> of the mobile terminal. The antenna assembly <NUM> is arranged in the curved portion X. A portion of the touch display screen <NUM> corresponding to the curved portion X is provided with neither touch electrode <NUM> nor touch trace <NUM>. In such a manner, potential inadvertent operation caused by touching the curved portion X when the user holds the mobile terminal by hand can be avoided. Moreover, since the antenna assembly <NUM> is arranged at the curved portion X, a larger clearance area can be achieved to guarantee the use effect.

Furthermore, in the embodiment covered by the claimed invention shown in <FIG>, the touch display screen <NUM> includes an auxiliary display portion Y connected to the curved portion X. The auxiliary display portion Y extends from an edge of the curved portion X to the rear cover plate of the housing <NUM>. In such a case, the antenna assembly <NUM> is arranged at the curved portion X. In such a case, a touch operation area of the touch display screen <NUM> is enlarged, and the use effect of the antenna assembly <NUM> is guaranteed.

It should be noted that, in embodiments of the present disclosure, the touch display screen <NUM> is a complete assembly with an integral structure, and the curved portion X and the auxiliary display portion Y are both made by a curving or bending process.

Claim 1:
A mobile terminal, comprising a housing (<NUM>) and a touch display screen (<NUM>), the touch display screen (<NUM>) being mounted on the housing (<NUM>), wherein the touch display screen (<NUM>), comprises:
a substrate (<NUM>);
a touch electrode (<NUM>) covering the substrate (<NUM>);
a touch trace (<NUM>) arranged on the substrate (<NUM>) and connected to the touch electrode (<NUM>); and
an antenna assembly (<NUM>) arranged in a side edge area of the substrate (<NUM>) and spaced apart from the touch trace (<NUM>) by a preset distance,
wherein the antenna assembly (<NUM>) and the touch trace (<NUM>) are on different sides of the substrate (<NUM>) in a length direction or a width direction of the substrate (<NUM>),
wherein the housing (<NUM>) further comprises a side edge (<NUM>), and the touch display screen (<NUM>) further comprises a curved portion (X) extending to the side edge (<NUM>), wherein the antenna assembly (<NUM>) in the touch display screen (<NUM>) is arranged at the curved portion (X),
wherein the housing (<NUM>) further comprises a rear cover plate (<NUM>), and
wherein the touch display screen (<NUM>) further comprises an auxiliary display portion (Y) connected to the curved portion (X) that extends from an edge of the curved portion (X) to the rear cover plate (<NUM>).