CN115226327A

CN115226327A - Backplate structure and terminal equipment

Info

Publication number: CN115226327A
Application number: CN202110418055.4A
Authority: CN
Inventors: 张宇; 古蒋林; 曹文霞
Original assignee: Beijing Xiaomi Mobile Software Co Ltd
Current assignee: Beijing Xiaomi Mobile Software Co Ltd
Priority date: 2021-04-19
Filing date: 2021-04-19
Publication date: 2022-10-21

Abstract

The application relates to a back plate structure and terminal equipment. The backboard structure comprises a transparent cover plate and a light-emitting layer arranged on the inner side of the transparent cover plate, and light emitted by the light-emitting layer can be emitted outwards from the transparent cover plate. Above-mentioned backplate structure, it sets up the luminescent layer at the transparent cover inboard, has improved the display effect of backplate structure at night or light is darker down for terminal equipment is more pleasing to the eye, more individualized, is favorable to improving user's use and experiences.

Description

Backplate structure and terminal equipment

Technical Field

The application relates to the technical field of terminals, in particular to a back plate structure and terminal equipment.

Background

With the development of the electronic industry, various electronic products, such as mobile phones, tablet computers, and the like, appear in the market. With the continuous progress of electronic technology, various electronic products have more and more functions, and many electronic products are more and more homogeneous. At present, the demand of consumers for personalized designs of electronic products is increasing.

Disclosure of Invention

The application provides a backboard structure and a terminal device to realize personalized design of the terminal device.

According to a first aspect of the embodiments of the present application, a backplane structure is provided, where the backplane structure includes a transparent cover and a light-emitting layer disposed inside the transparent cover, and light emitted by the light-emitting layer can be emitted from the transparent cover.

Furthermore, the backplate structure includes electrochromic layer, sets up the luminescent layer with between the transparent cover plate for adjust the transmission light intensity of outside outgoing light and/or adjust the colour of outside outgoing light.

Furthermore, the backboard structure comprises an electrochromic layer which is arranged between the light emitting layer and the transparent cover plate, and the electrochromic layer comprises a liquid crystal layer.

Further, the back plate structure comprises a light-transmitting pattern layer, and the light-transmitting pattern layer is arranged between the electrochromic layer and the light-emitting layer or between the electrochromic layer and the transparent cover plate.

Furthermore, the backboard structure comprises a reflecting layer, and the reflecting layer is arranged in a part or all of the area of one side of the light-emitting layer, which is far away from the transparent cover plate.

Further, the light-emitting layer includes a plurality of light-emitting areas independent of each other, and the backplane structure includes a driving circuit, where the driving circuit is electrically connected to each of the light-emitting areas respectively and drives each of the light-emitting areas to emit light.

Further, the light emitting layer is of a thin film structure.

Further, the light-emitting layer includes an organic light-emitting diode, a sub-millimeter light-emitting diode, a micrometer light-emitting diode, a light-guiding panel, or a light-guiding fiber.

Further, the color of the light emitted by the light emitting layer includes white, blue, red, or green.

Furthermore, the backboard structure comprises a light shielding layer, and the light shielding layer is arranged on one side of the light emitting layer, which is far away from the transparent cover plate.

According to a second aspect of embodiments of the present application, there is provided a terminal device, which includes the backplane structure as described above.

According to the embodiment, the backboard structure and the terminal equipment have the advantages that the luminous layer is arranged on the inner side of the transparent cover plate through the backboard structure, the display effect of the backboard structure at night or in dark light is improved, the terminal equipment is more attractive and personalized, and the use experience of a user is improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments or related technologies of the present application, the drawings needed to be used in the description of the embodiments or related technologies are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic diagram illustrating the layer structure of a backplane structure according to an exemplary embodiment;

FIG. 2 is a schematic view of a layer structure of another back plate structure shown in accordance with an exemplary embodiment;

FIG. 3 is a schematic layer structure diagram of yet another back plane structure shown in accordance with an exemplary embodiment;

FIG. 4 is a schematic diagram illustrating a distribution of light emitting regions of a light emitting layer according to an exemplary embodiment;

fig. 5 is a block diagram illustrating a terminal device according to an example embodiment.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. The following description refers to the accompanying drawings in which the same numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present application, as detailed in the appended claims.

The terminology used in the disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. As used in this disclosure and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

It is to be understood that although the terms first, second, third, etc. may be used herein to describe various information, such information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present disclosure. The word "if" as used herein may be interpreted as "at" \8230; "or" when 8230; \8230; "or" in response to a determination ", depending on the context.

The application provides a terminal device. The terminal device has a backplane structure. The backplane structure may be understood as a back cover structure or back shell of the terminal device. The terminal device may be a mobile phone (cell phone), a computer, a digital broadcast terminal, a messaging device, a game console, a tablet device, a medical device, a fitness device, a personal digital assistant, etc. The terminal device here has a battery structure.

The back plate structure may include a transparent cover plate and a light emitting layer disposed inside the transparent cover plate, wherein light emitted from the light emitting layer can be emitted from the transparent cover plate. This kind of backplate structure sets up the luminescent layer in transparent cover inboard for the backplate structure can show predetermined light effect night or under light is darker, makes terminal equipment more pleasing to the eye, more individualized, is favorable to improving user's use and experiences.

The backplate structure will be described in detail with reference to the accompanying drawings.

Fig. 1 is a schematic diagram of a layer structure of a backplane structure 100 shown according to an exemplary embodiment. Referring to fig. 1, the backplane structure 100 includes a transparent cover 10 and a light-emitting layer 30 disposed inside the transparent cover 10, wherein light emitted from the light-emitting layer 30 can be emitted from the transparent cover 10.

It should be noted that the transparent cover plate 10 may be a transparent glass cover plate. Taking the terminal device as a mobile phone as an example, the transparent cover plate 10 may be a battery rear cover of the mobile phone.

In some embodiments, the transparent cover plate 10 has a thickness in the range of 0.5mm to 0.8mm. The thickness of the transparent cover plate can be set to any thickness within the thickness range as the case may be.

In some embodiments, the light emitting layer 30 is a thin film structure. I.e. the light-emitting layer 30 is a light-emitting thin film.

The light emitting layer 30 may be a light emitting layer structure comprising Organic Light Emitting Diodes (OLEDs), such as a flexible OLED light emitting layer structure, a light emitting layer structure comprising sub-millimeter light emitting diodes (Miniled), a light emitting layer structure comprising micro-scale light emitting diodes (michorlled), a light emitting layer structure comprising a light guiding panel, or a light emitting layer structure comprising light guiding fibers.

In some embodiments, the thickness of the light emitting layer 30 ranges from 0.1mm to 0.4mm. The thickness of the light emitting layer may be set to any thickness within this thickness range as the case may be. For example, in order to make the backplane structure and the whole terminal device lighter and thinner, the light emitting layer 30 may be set to any thickness in the range of 0.1mm to 0.2 mm. The thickness of the light emitting layer may be set according to specific conditions, which is not limited in the present application.

The light emitted from the light-emitting layer 30 may be white light, blue light, green light, red light, or light of another color.

Further, the backplane structure may include a driving circuit electrically connected to the light-emitting layer 30 for driving the light-emitting layer 30 to emit light.

In some embodiments, the light-emitting layer 30 includes a light-emitting region, that is, the light-emitting layer 30 is an entire light-emitting region, and the driving circuit can control the entire light-emitting layer 30 to emit light according to a predetermined timing, so that the entire backplane structure can be in a flashing state at night or in a dark environment.

Of course, in other embodiments, the light emitting layer may also include a plurality of light emitting regions independent of each other. It is understood that if the light emitting layer is taken as a light emitting structure including light emitting diodes, one light emitting region may include one or more light emitting diodes. The driving circuit can be electrically connected with each light-emitting area and drives each light-emitting area to emit light according to a preset time sequence, so that the backboard structure can be in a flashing state in the dark or dark environment, and the flashing states of different areas can be different. Namely, the light-emitting layers are arranged into different light-emitting areas, and the different light-emitting areas are respectively subjected to zone control, so that the flickering effect of different areas is achieved. The colors of light emitted from different light-emitting regions in the light-emitting layer may be the same or different.

As shown in fig. 4, the light-emitting layer 30 includes a plurality of light-emitting

regions

31, 32, 33, and 34 independent of each other. Accordingly, the driving circuit may be electrically connected to the light-emitting

regions

31, 32, 33, and 34, respectively, for driving the light-emitting

regions

31, 32, 33, and 34 to emit light, respectively.

The light emitting region of the light emitting layer may be divided into other shapes or according to other rules, and may be specifically divided and disposed as needed, which is not limited in this application.

In some embodiments, the backplane structure further comprises a light-shielding layer 20. The light-shielding layer 20 is disposed on a side of the light-emitting layer 30 away from the transparent cover 10.

The light-shielding layer 20 may be a black film or a black ink layer.

In some embodiments, the light shielding layer 20 has a thickness ranging from 0.03mm to 0.05mm. The thickness of the light shielding layer may be set to any thickness within this thickness range as the case may be.

Further, referring to fig. 2, in some embodiments, in addition to the transparent cover plate 10, the light shielding layer 20 and the light emitting layer 30, the backplane structure 200 further includes an electrochromic layer 40. The electrochromic layer 40 may be disposed between the light emitting layer 30 and the transparent cover plate 10, and may be used to adjust at least one of a transmission intensity of the outwardly emitted light and a color of the outwardly emitted light. Specifically, the electrochromic layer can change the internal structure of the material of the electrochromic layer under the condition of power-on so as to adjust at least one of the transmission light intensity and the color of the light emitted outwards by the light-emitting layer, and the electrochromic layer can recover to the original material property under the condition of power-off.

In some embodiments, the electrochromic layer 40 includes a liquid crystal layer. The liquid crystal layer can adjust the transmission state of light by adjusting the transmission intensity of the light emitted outwards.

For example, in some embodiments, the liquid crystal layer may be configured to enable the light emitted from the light emitting layer to exit the liquid crystal layer with a maximum transmission intensity when the liquid crystal layer is powered on, so that light displayed on the backplane structure viewed by a user from outside the terminal device is in a transparent state. Accordingly, in the case where the liquid crystal layer is turned off, light emitted from the light emitting layer cannot pass therethrough.

In other embodiments, the liquid crystal layer may be configured to enable the light emitted from the light emitting layer to exit the liquid crystal layer with a lower transmission intensity when the power is turned on, so that the light displayed on the backplane structure and viewed by a user from outside the terminal device is in a haze state. Accordingly, in the case where the liquid crystal layer is turned off, light emitted from the light emitting layer cannot pass therethrough.

Of course, the electrochromic layer may be other structural layers formed by electrochromic materials, such as an organic electrochromic material layer and an inorganic electrochromic material layer.

Further, as shown in fig. 3, in some embodiments, the light-emitting layer 30 includes a transparent cover plate 10, a light-shielding layer 20, and an electrochromic layer 40. The back plate structure 300 includes a light-transmissive pattern layer 50, and the light-transmissive pattern layer 50 is disposed between the electrochromic layer 40 and the light-emitting layer 30, so that the back plate structure can display a predetermined pattern.

This printing opacity pattern layer can include adiactinic major structure and locate major structure's fretwork pattern, and the light that luminescent layer 30 launched can penetrate outside through the fretwork pattern, and major structure department is then sheltered from to form the figure that corresponds with the fretwork pattern.

It should be noted that in other embodiments, the light transmissive pattern layer may also be disposed between the electrochromic layer 40 and the transparent cover plate 10.

Further, in some embodiments, the back plate structure 300 further includes a reflective layer 60, and the reflective layer 60 is disposed on a side of the light-emitting layer 30 away from the transparent cover plate 10, and may be disposed in a partial or entire area between the light-emitting layer 30 and the light-shielding layer 20. The setting area of the reflective layer 60 may be set according to specific situations, and the application is not limited thereto.

The reflective layer 60 may be made of a metal material, such as aluminum, silver, etc.

It should be noted that, in some other embodiments, the backplane structure may also include one or both of a light transmissive pattern layer and a reflective layer instead of the electrochromic layer, which is not limited herein and may be set according to specific situations.

Further, the structural layers can be bonded by adhesive 70. In some embodiments, the adhesive glue 70 may be an OCA optical film glue or an optical glue.

Based on the above structure of the back plate structure, the back plate structure can be set to present different dynamic display effects. For example, in some embodiments, the backplane structure may be configured to present a blinking startop display effect. In other embodiments, the backplane structure may be configured to present a flashing display effect of the galaxy. In other embodiments, the backplane structure may be configured to present a blinking, aurora display. Of course, in the display effect of these back plate structures, different positions may also present different colors.

Fig. 5 is a block diagram illustrating a terminal device 2000 according to an example embodiment. For example, the terminal device 2000 may be a mobile phone (handset), a computer, a digital broadcast terminal, a messaging device, a game console, a tablet device, a medical device, an exercise device, a personal digital assistant, and the like.

Referring to fig. 5, terminal device 2000 may include one or more of the following components: a processing component 2002, a memory 2004, a power component 2006, a multimedia component 2008, an audio component 2010, an input/output (I/O) interface 2012, a sensor component 2014, and a communication component 2016.

The processing component 2002 generally controls the overall operation of the terminal device 2000, such as operations associated with display, telephone calls, data communications, camera operations, and recording operations. The processing component 2002 may include one or more processors 2020 to execute instructions to perform all or a portion of the steps of the methods described above. Further, the processing component 2002 can include one or more modules that facilitate interaction between the processing component 2002 and other components. For example, the processing component 2002 may include a multimedia module to facilitate interaction between the multimedia component 2008 and the processing component 2002.

The memory 2004 is configured to store various types of data to support the operation at the terminal device 2000. Examples of such data include instructions for any application or method operating on terminal device 2000, contact data, phonebook data, messages, pictures, videos, and the like. The memory 2004 may be implemented by any type or combination of volatile or non-volatile memory devices, such as Static Random Access Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disks.

The power supply component 2006 provides power to the various components of the terminal device 2000. The power supply components 2006 may include a power management system, one or more power supplies, and other components associated with generating, managing, and distributing power for the terminal device 2000.

The multimedia assembly 2008 includes a screen providing an output interface between the terminal device 2000 and the user. In some embodiments, the screen may include a Liquid Crystal Display (LCD) and a Touch Panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive an input signal from a user. The touch panel includes one or more touch sensors to sense touch, slide, and gestures on the touch panel. The touch sensor may not only sense the boundary of a touch or slide action, but also detect the duration and pressure associated with the touch or slide operation. In some embodiments, the multimedia component 2008 includes a front camera and/or a rear camera. When the terminal device 2000 is in an operation mode, such as a photographing mode or a video mode, the front camera and/or the rear camera may receive external multimedia data. Each front camera and rear camera may be a fixed optical lens system or have a focal length and optical zoom capability.

Audio component 2010 is configured to output and/or input audio signals. For example, audio component 2010 includes a Microphone (MIC) configured to receive external audio signals when terminal device 2000 is in an operational mode, such as a call mode, a recording mode, and a voice recognition mode. The received audio signals may further be stored in the memory 2004 or transmitted via the communication component 2016. In some embodiments, audio assembly 2010 also includes a speaker for outputting audio signals.

The I/O interface 2012 provides an interface between the processing component 2002 and peripheral interface modules, which can be keyboards, click wheels, buttons, etc. These buttons may include, but are not limited to: a home button, a volume button, a start button, and a lock button.

Sensor assembly 2014 includes one or more sensors for providing various aspects of state assessment for terminal device 2000. For example, sensor assembly 2014 may detect an open/closed state of terminal device 2000, a relative positioning of components such as a display and keypad of terminal device 2000, a change in position of terminal device 2000 or a component of terminal device 2000, the presence or absence of user contact with terminal device 2000, an orientation or acceleration/deceleration of terminal device 2000, and a change in temperature of terminal device 2000. The sensor assembly 2014 may include a proximity sensor configured to detect the presence of a nearby object in the absence of any physical contact. The sensor assembly 2014 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications. In some embodiments, the sensor assembly 2014 may also include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.

The communication component 2016 is configured to facilitate wired or wireless communication between the terminal device 2000 and other devices. The terminal device 2000 may access a wireless network based on a communication standard, such as WiFi,2G or 3g,4glte, 5G NR or a combination thereof. In an exemplary embodiment, the communication component 2016 receives a broadcast signal or broadcast related information from an external broadcast management system via a broadcast channel. In an exemplary embodiment, the communication component 2016 further includes a Near Field Communication (NFC) module to facilitate short-range communications. For example, the NFC module may be implemented based on Radio Frequency Identification (RFID) technology, infrared data association (IrDA) technology, ultra Wideband (UWB) technology, bluetooth (BT) technology, and other technologies.

In an exemplary embodiment, the terminal device 2000 may be implemented by one or more Application Specific Integrated Circuits (ASICs), digital Signal Processors (DSPs), digital Signal Processing Devices (DSPDs), programmable Logic Devices (PLDs), field Programmable Gate Arrays (FPGAs), controllers, micro-controllers, microprocessors or other electronic components for performing the above-described methods.

In an exemplary embodiment, a non-transitory computer readable storage medium comprising instructions, such as the memory 2004 comprising instructions, executable by the processor 2020 of the terminal device 2000 to perform the above method is also provided. For example, the non-transitory computer readable storage medium may be a ROM, a Random Access Memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, and the like.

Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.

It will be understood that the present application is not limited to the precise arrangements that have been described above and shown in the drawings, and that various modifications and changes may be made without departing from the scope thereof. The scope of the application is limited only by the appended claims.

Claims

1. The backboard structure is characterized by comprising a transparent cover plate and a light-emitting layer arranged on the inner side of the transparent cover plate, wherein light emitted by the light-emitting layer can be emitted outwards from the transparent cover plate.

2. The backplane structure according to claim 1, wherein the backplane structure comprises an electrochromic layer disposed between the light-emitting layer and the transparent cover for adjusting the transmitted intensity and/or adjusting the color of the outwardly emitted light.

3. The backplane structure of claim 1, wherein the backplane structure comprises an electrochromic layer disposed between the light-emitting layer and the transparent cover sheet, the electrochromic layer comprising a liquid crystal layer.

4. The backplane structure according to claim 2, wherein the backplane structure comprises a light transmissive pattern layer disposed between the electrochromic layer and the light-emitting layer or between the electrochromic layer and the transparent cover sheet.

5. The backplane structure according to claim 1, wherein the backplane structure comprises a reflective layer disposed on a portion or all of a side of the luminescent layer remote from the transparent cover.

6. The backplane structure according to claim 1, wherein the light emitting layer comprises a plurality of light emitting areas independent of each other, and the backplane structure comprises a driving circuit electrically connected to each of the light emitting areas respectively and driving each of the light emitting areas to emit light respectively.

7. The backplane structure of claim 1, wherein the light-emitting layer is a thin film structure.

8. The backplane structure of claim 1, wherein the light-emitting layer comprises an organic light-emitting diode, a sub-millimeter light-emitting diode, a micro light-emitting diode, a light-guiding panel, or a light-guiding fiber.

9. The backplane structure of claim 1, wherein the color of light emitted by the light-emitting layer comprises white, blue, red, or green.

10. The backplane structure according to claim 1, wherein the backplane structure comprises a light-shielding layer disposed on a side of the light-emitting layer remote from the transparent cover.

11. A terminal device, characterized in that it comprises a backplane structure according to any of claims 1 to 10.