CN107018214A - A kind of device with double-layer showing screen - Google Patents
A kind of device with double-layer showing screen Download PDFInfo
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- CN107018214A CN107018214A CN201710209979.7A CN201710209979A CN107018214A CN 107018214 A CN107018214 A CN 107018214A CN 201710209979 A CN201710209979 A CN 201710209979A CN 107018214 A CN107018214 A CN 107018214A
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- H—ELECTRICITY
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- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
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- H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
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- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/3827—Portable transceivers
- H04B1/3833—Hand-held transceivers
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
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Abstract
The embodiment of the invention discloses a kind of device with double-layer showing screen, the device includes：First display screen, second display screen, substrate and controller；Wherein, the first display screen is fixed on the top of second display screen, and second display screen is fixed on the top of substrate；First display screen, for being started working after the first signal that controller is sent is received；First signal is used to control to open the first display screen, closes second display screen；Second display screen, for being started working after the secondary signal that controller is sent is received；Secondary signal is used to control to open second display screen, closes the first display screen.In this way, terminal is by configuring double-layer showing screen, display operation is performed using corresponding display screen under different display environments, the diversity of display can be achieved.
Description
Technical Field
The invention relates to a display technology, in particular to a device with a double-layer display screen.
Background
The display screen configured on the current terminal includes: a Liquid Crystal Display (LCD), an Organic Light-Emitting Display (OLED), an electronic paper Display (E-paper), or the like.
LCDs are used in digital watches and one type of display for many portable computers. The LCD is classified into three types, i.e., Static driving (Static), Simple Matrix driving (Simple Matrix), and active Matrix driving (active Matrix), according to the driving method. The passive matrix type can be further classified into Twisted Nematic (TN), Super Twisted Nematic (STN) and other passive matrix driving liquid crystal displays; the active matrix type can be roughly divided into two types, i.e., Thin Film Transistor (TFT) and two-terminal diode (MIM).
The OLED display technology is different from the conventional LCD display mode in that a backlight is not required, and a very thin organic material coating and a glass substrate are used, and when a current flows, the organic material emits light. Moreover, the OLED display screen can be made lighter and thinner, the visual angle is larger, and the electric energy can be obviously saved.
Electronic paper is a thin, flexible and erasable display like paper, and has recently gained wider use in electronic readers and price tags. The electronic paper display screen is a reflective display, displays images by reflecting external ambient light, and has the advantages of visibility in sunlight, no damage to eyes, power saving and the like. But also has the picture memorizing characteristic, and once the picture is displayed, the power is not consumed any more, which is also an important advantage for the portable electronic reader.
Although the above display screens have their advantages, when any one of the above display screens is disposed on a terminal having a display function, there is a problem that the display mode is single.
Disclosure of Invention
In order to solve the above technical problem, embodiments of the present invention provide a device having a dual-layer display screen, so that display is performed by switching the dual-layer display screen, thereby realizing display diversity.
In order to achieve the above purpose, the technical solution of the embodiment of the present invention is realized as follows:
the embodiment of the invention provides a device with a double-layer display screen, which comprises: the display device comprises a first display screen, a second display screen, a substrate and a controller; wherein,
the first display screen is fixed above the second display screen, and the second display screen is fixed above the substrate;
the first display screen is used for starting to work after receiving a first signal sent by the controller; the first signal is used for controlling the first display screen to be opened and the second display screen to be closed;
the second display screen is used for starting to work after receiving a second signal sent by the controller; the second signal is used for controlling the second display screen to be opened and the first display screen to be closed.
In the above scheme, the first display screen is a transparent display screen, and the second display screen is a reflective display screen.
In the above scheme, the first display screen is a liquid crystal display, and the second display screen is an electronic paper display screen.
In the above scheme, the second display screen is a preselected electronic paper display screen that meets the set conditions, and the set conditions are as follows: the light transmittance of the electronic paper display screen is smaller than the light transmittance threshold when the electronic paper display screen does not work.
In the above scheme, the first display screen and the second display screen are fixed by optical bonding glue.
In the above scheme, the optical bonding glue is an optical glue, an optical transparent resin or an optical liquid transparent glue.
In the above scheme, the first display screen is a curved screen, and the second display screen is a curved screen.
In the above scheme, the apparatus further comprises: the display screen protection cover plate is fixed above the first display screen.
In the above scheme, the protective cover plate is a curved surface protective cover plate, and the protective cover plate is made of plastic, toughened glass, ceramic or sapphire.
In the above solution, a space between the substrate and the second display screen further includes: a protective layer; the protective layer is used for enhancing the strength of the double-layer display screen device.
The embodiment of the invention provides a device with a double-layer display screen, which comprises: the display device comprises a first display screen, a second display screen, a substrate and a controller; the first display screen is fixed above the second display screen, and the second display screen is fixed above the substrate; the first display screen is used for starting to work after receiving a first signal sent by the controller; the first signal is used for controlling the first display screen to be opened and the second display screen to be closed; the second display screen is used for starting to work after receiving a second signal sent by the controller; the second signal is used for controlling the opening of the second display screen and the closing of the first display screen. Compared with the prior art, the terminal can use the corresponding display screen to execute the display operation under different display environments by configuring the double-layer display screen, and the display diversity can be realized.
Drawings
Fig. 1 is a schematic diagram of a hardware structure of an alternative mobile terminal for implementing various embodiments of the present invention;
FIG. 2 is a diagram of a wireless communication system for the mobile terminal shown in FIG. 1;
fig. 3 is a front view of a mobile terminal according to a first embodiment of the present invention;
fig. 4 is a rear view of a mobile terminal according to a first embodiment of the present invention;
FIG. 5 is a schematic diagram of a first component structure of an apparatus having a dual-layer display according to an embodiment of the present invention;
FIG. 6 is a diagram illustrating a second component structure of an apparatus having a dual-layer display according to an embodiment of the present invention;
FIG. 7 is a front view of a first display screen in accordance with an embodiment of the present invention;
FIG. 8 is a front view of a second display screen in accordance with an embodiment of the present invention;
FIG. 9 is a schematic front view of a third configuration of an apparatus having a dual-layer display according to an embodiment of the present invention;
FIG. 10 is an enlarged partial schematic view of FIG. 9;
FIG. 11 is a schematic left side view of a third component structure of an apparatus having a dual-layer display according to an embodiment of the present invention;
FIG. 12 is an enlarged partial schematic view of FIG. 11;
FIG. 13 is a schematic left side view of a fourth component structure of an apparatus having a dual display panel in accordance with an embodiment of the present invention;
FIG. 14 is an enlarged partial schematic view of FIG. 13;
FIG. 15 is a schematic front view of a fifth component structure of an apparatus with a dual-layer display according to an embodiment of the present invention;
FIG. 16 is an enlarged partial schematic view of FIG. 15;
FIG. 17 is a schematic left side view of a fifth component structure of an apparatus having a dual-layer display according to an embodiment of the present invention;
FIG. 18 is an enlarged partial schematic view of FIG. 17;
FIG. 19 is a schematic top view of a fifth component structure of an apparatus with dual display panels according to an embodiment of the present invention;
fig. 20 is a flowchart of a method for controlling dual-display switching according to an embodiment of the present invention.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
A mobile terminal implementing various embodiments of the present invention will now be described with reference to the accompanying drawings. In the following description, suffixes such as "module", "component", or "unit" used to denote elements are used only for facilitating the explanation of the present invention, and have no specific meaning in themselves. Thus, "module" and "component" may be used in a mixture.
The mobile terminal may be implemented in various forms. For example, the terminal described in the embodiments of the present invention may include a mobile terminal such as a mobile phone, a smart phone, a notebook computer, a digital broadcast receiver, a Personal Digital Assistant (PDA), a PAD computer (PAD), a Portable Multimedia Player (PMP), a navigation device, and the like, and a fixed terminal such as a digital TV, a desktop computer, and the like. In the following, it is assumed that the terminal is a mobile terminal. However, it will be understood by those skilled in the art that the configuration according to the embodiment of the present invention can be applied to a fixed type terminal in addition to elements particularly used for moving purposes.
Fig. 1 is a schematic diagram of a hardware structure of an optional mobile terminal for implementing various embodiments of the present invention.
The mobile terminal 100 may include a wireless communication unit 110, an audio/video (a/V) input unit 120, a user input unit 130, a sensing unit 140, an output unit 150, a memory 160, an interface unit 170, a controller 180, and a power supply unit 190, etc. Fig. 1 illustrates a mobile terminal having various components, but it is to be understood that not all illustrated components are required to be implemented. More or fewer components may alternatively be implemented. Elements of the mobile terminal will be described in detail below.
The wireless communication unit 110 typically includes one or more components that allow radio communication between the mobile terminal 100 and a wireless communication system or network. For example, the wireless communication unit may include at least one of a broadcast receiving module 111, a mobile communication module 112, a wireless internet module 113, a short-range communication module 114, and a location information module 115.
The broadcast receiving module 111 receives a broadcast signal and/or broadcast associated information from an external broadcast management server via a broadcast channel. The broadcast channel may include a satellite channel and/or a terrestrial channel. The broadcast management server may be a server that generates and transmits a broadcast signal and/or broadcast associated information or a server that receives a previously generated broadcast signal and/or broadcast associated information and transmits it to a terminal. The broadcast signal may include a TV broadcast signal, a radio broadcast signal, a data broadcast signal, and the like. Also, the broadcast signal may further include a broadcast signal combined with a TV or radio broadcast signal. The broadcast associated information may also be provided via a mobile communication network, and in this case, the broadcast associated information may be received by the mobile communication module 112. The broadcast signal may exist in various forms, for example, it may exist in the form of an Electronic Program Guide (EPG) of Digital Multimedia Broadcasting (DMB), an Electronic Service Guide (ESG) of digital video broadcasting-handheld (DVB-H), and the like. The broadcast receiving module 111 may receive a signal broadcast by using various types of broadcasting systems. In particular, the broadcast receiving module 111 may receive digital broadcasting by using a digital broadcasting system such as a data broadcasting system of multimedia broadcasting-terrestrial (DMB-T), digital multimedia broadcasting-satellite (DMB-S), digital video broadcasting-handheld (DVB-H), forward link media (MediaFLO @), terrestrial digital broadcasting integrated service (ISDB-T), and the like. The broadcast receiving module 111 may be constructed to be suitable for various broadcasting systems that provide broadcast signals as well as the above-mentioned digital broadcasting systems. The broadcast signal and/or broadcast associated information received via the broadcast receiving module 111 may be stored in the memory 160 (or other type of storage medium).
The mobile communication module 112 transmits and/or receives radio signals to and/or from at least one of a base station (e.g., access point, node B, etc.), an external terminal, and a server. Such radio signals may include voice call signals, video call signals, or various types of data transmitted and/or received according to text and/or multimedia messages.
The wireless internet module 113 supports wireless internet access of the mobile terminal. The module may be internally or externally coupled to the terminal. The wireless internet access technology to which the module relates may include Wireless Local Area Network (WLAN) (Wi-Fi), wireless broadband (Wibro), worldwide interoperability for microwave access (Wimax), High Speed Downlink Packet Access (HSDPA), and the like.
The short-range communication module 114 is a module for supporting short-range communication. Some examples of short-range communication technologies include bluetooth (TM), Radio Frequency Identification (RFID), infrared data association (IrDA), Ultra Wideband (UWB), zigbee (TM), and the like.
The location information module 115 is a module for checking or acquiring location information of the mobile terminal. A typical example of the location information module is a Global Positioning System (GPS). According to the current technology, the location information module 115, which is a GPS, calculates distance information and accurate time information from three or more satellites and applies triangulation to the calculated information, thereby accurately calculating three-dimensional current location information according to longitude, latitude, and altitude. Currently, a method for calculating position and time information uses three satellites and corrects an error of the calculated position and time information by using another satellite. In addition, the GPS module 115 can calculate speed information by continuously calculating current position information in real time.
The a/V input unit 120 is used to receive an audio or video signal. The a/V input unit 120 may include a camera 121 and a microphone 1220, and the camera 121 processes image data of still pictures or video obtained by an image capturing apparatus in a video capturing mode or an image capturing mode. The processed image frames may be displayed on the display unit 151. The image frames processed by the cameras 121 may be stored in the memory 160 (or other storage medium) or transmitted via the wireless communication unit 110, and two or more cameras 121 may be provided according to the construction of the mobile terminal. The microphone 122 may receive sounds (audio data) via the microphone in a phone call mode, a recording mode, a voice recognition mode, or the like, and can process such sounds into audio data. The processed audio (voice) data may be converted into a format output transmittable to a mobile communication base station via the mobile communication module 112 in case of a phone call mode. The microphone 122 may implement various types of noise cancellation (or suppression) algorithms to cancel (or suppress) noise or interference generated in the course of receiving and transmitting audio signals.
The user input unit 130 may generate key input data according to a command input by a user to control various operations of the mobile terminal. The user input unit 130 allows a user to input various types of information, and may include a keyboard, dome sheet, touch pad (e.g., a touch-sensitive member that detects changes in resistance, pressure, capacitance, etc. due to being touched), scroll wheel, joystick, etc. In particular, when the touch pad is superimposed on the display unit 151 in the form of a layer, a touch screen may be formed.
The sensing unit 140 detects a current state of the mobile terminal 100 (e.g., an open or closed state of the mobile terminal 100), a position of the mobile terminal 100, presence or absence of contact (i.e., touch input) by a user with the mobile terminal 100, an orientation of the mobile terminal 100, acceleration or deceleration movement and direction of the mobile terminal 100, and the like, and generates a command or signal for controlling an operation of the mobile terminal 100. For example, when the mobile terminal 100 is implemented as a slide-type mobile phone, the sensing unit 140 may sense whether the slide-type phone is opened or closed. In addition, the sensing unit 140 can detect whether the power supply unit 190 supplies power or whether the interface unit 170 is coupled with an external device.
The interface unit 170 serves as an interface through which at least one external device is connected to the mobile terminal 100. For example, the external device may include a wired or wireless headset port, an external power supply (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device having an identification module, an audio input/output (I/O) port, a video I/O port, an earphone port, and the like. The identification module may store various information for authenticating a user using the mobile terminal 100 and may include a User Identity Module (UIM), a Subscriber Identity Module (SIM), a Universal Subscriber Identity Module (USIM), and the like. In addition, a device having an identification module (hereinafter, referred to as an "identification device") may take the form of a smart card, and thus, the identification device may be connected with the mobile terminal 100 via a port or other connection means. The interface unit 170 may be used to receive input (e.g., data information, power, etc.) from an external device and transmit the received input to one or more elements within the mobile terminal 100 or may be used to transmit data between the mobile terminal and the external device.
In addition, when the mobile terminal 100 is connected with an external cradle, the interface unit 170 may serve as a path through which power is supplied from the cradle to the mobile terminal 100 or may serve as a path through which various command signals input from the cradle are transmitted to the mobile terminal. Various command signals or power input from the cradle may be used as signals for recognizing whether the mobile terminal is accurately mounted on the cradle. The output unit 150 is configured to provide output signals (e.g., audio signals, video signals, alarm signals, vibration signals, etc.) in a visual, audio, and/or tactile manner. The output unit 150 may include a display unit 151, an audio output module 152, an alarm unit 153, and the like.
The display unit 151 may display information processed in the mobile terminal 100. For example, when the mobile terminal 100 is in a phone call mode, the display unit 151 may display a User's Interface (UI) or a Graphical User Interface (GUI) related to a call or other communication (e.g., text messaging, multimedia file downloading, etc.). When the mobile terminal 100 is in a video call mode or an image capturing mode, the display unit 151 may display a captured image and/or a received image, a UI or GUI showing a video or an image and related functions, and the like.
Meanwhile, when the display unit 151 and the touch pad are overlapped with each other in the form of a layer to form a touch screen, the display unit 151 may serve as an input device and an output device. The display unit 151 may include at least one of a Liquid Crystal Display (LCD), a thin film transistor LCD (TFT-LCD), an Organic Light Emitting Diode (OLED) display, a flexible display, a three-dimensional (3D) display, and the like. Some of these displays may be configured to be transparent to allow a user to see from the outside, which may be referred to as transparent displays, and a typical transparent display may be, for example, a Transparent Organic Light Emitting Diode (TOLED) display or the like. Depending on the particular desired implementation, the mobile terminal 100 may include two or more display units (or other display devices), for example, the mobile terminal may include an external display unit (not shown) and an internal display unit (not shown). The touch screen may be used to detect a touch input pressure as well as a touch input position and a touch input area.
The audio output module 152 may convert audio data received by the wireless communication unit 110 or stored in the memory 160 into an audio signal and output as sound when the mobile terminal is in a call signal reception mode, a call mode, a recording mode, a voice recognition mode, a broadcast reception mode, or the like. Also, the audio output module 152 may provide audio output related to a specific function performed by the mobile terminal 100 (e.g., a call signal reception sound, a message reception sound, etc.). The audio output module 152 may include a speaker, a buzzer, and the like.
The alarm unit 153 may provide an output to notify the mobile terminal 100 of the occurrence of an event. Typical events may include call reception, message reception, key signal input, touch input, and the like. In addition to audio or video output, the alarm unit 153 may provide output in different ways to notify the occurrence of an event. For example, the alarm unit 153 may provide an output in the form of vibration, and when a call, a message, or some other incoming communication (communicating communication) is received, the alarm unit 153 may provide a tactile output (i.e., vibration) to inform the user thereof. By providing such a tactile output, the user can recognize the occurrence of various events even when the user's mobile phone is in the user's pocket. The alarm unit 153 may also provide an output notifying the occurrence of an event via the display unit 151 or the audio output module 152.
The memory 160 may store software programs or the like for processing and controlling operations performed by the controller 180, or may temporarily store data (e.g., a phonebook, messages, still images, videos, etc.) that has been output or is to be output. Also, the memory 160 may store data regarding various ways of vibration and audio signals output when a touch is applied to the touch screen.
The memory 160 may include at least one type of storage medium including a flash memory, a hard disk, a multimedia card, a card-type memory (e.g., SD or DX memory, etc.), a Random Access Memory (RAM), a Static Random Access Memory (SRAM), a read-only memory (ROM), an electrically erasable programmable read-only memory (EEPROM), a programmable read-only memory (PROM), a magnetic memory, a magnetic disk, an optical disk, and the like. Also, the mobile terminal 100 may cooperate with a network storage device that performs a storage function of the memory 160 through a network connection.
The controller 180 generally controls the overall operation of the mobile terminal. For example, the controller 180 performs control and processing related to voice calls, data communications, video calls, and the like. In addition, the controller 180 may include a multimedia module 181 for reproducing (or playing back) multimedia data, and the multimedia module 181 may be constructed within the controller 180 or may be constructed separately from the controller 180. The controller 180 may perform a pattern recognition process to recognize a handwriting input or a picture drawing input performed on the touch screen as a character or an image.
The power supply unit 190 receives external power or internal power and provides appropriate power required to operate various elements and components under the control of the controller 180.
The various embodiments described herein may be implemented in a computer-readable medium using, for example, computer software, hardware, or any combination thereof. For a hardware implementation, the embodiments described herein may be implemented using at least one of an Application Specific Integrated Circuit (ASIC), a Digital Signal Processor (DSP), a Digital Signal Processing Device (DSPD), a Programmable Logic Device (PLD), a Field Programmable Gate Array (FPGA), a processor, a controller, a microcontroller, a microprocessor, an electronic unit designed to perform the functions described herein, and in some cases, such embodiments may be implemented in the controller 180. For a software implementation, the implementation such as a process or a function may be implemented with a separate software module that allows performing at least one function or operation. The software codes may be implemented by software applications (or programs) written in any suitable programming language, which may be stored in the memory 160 and executed by the controller 180.
Up to now, the mobile terminal has been described in terms of its functions. Hereinafter, a slide-type mobile terminal among various types of mobile terminals, such as a folder-type, bar-type, swing-type, slide-type mobile terminal, and the like, will be described as an example for the sake of brevity. Accordingly, the present invention can be applied to any type of mobile terminal, and is not limited to a slide type mobile terminal.
The mobile terminal 100 as shown in fig. 1 may be configured to operate with communication systems such as wired and wireless communication systems and satellite-based communication systems that transmit data via frames or packets.
A communication system in which a mobile terminal according to the present invention is operable will now be described with reference to fig. 2.
Such communication systems may use different air interfaces and/or physical layers. For example, the air interface used by the communication system includes, for example, Frequency Division Multiple Access (FDMA), Time Division Multiple Access (TDMA), Code Division Multiple Access (CDMA), and Universal Mobile Telecommunications System (UMTS) (in particular, Long Term Evolution (LTE)), global system for mobile communications (GSM), and the like. By way of non-limiting example, the following description relates to a CDMA communication system, but such teachings are equally applicable to other types of systems.
Referring to fig. 2, the CDMA wireless communication system may include a plurality of mobile terminals 100, a plurality of Base Stations (BSs) 270, Base Station Controllers (BSCs) 275, and a Mobile Switching Center (MSC) 280. The MSC280 is configured to interface with a Public Switched Telephone Network (PSTN) 290. The MSC280 is also configured to interface with a BSC275, which may be coupled to the base station 270 via a backhaul. The backhaul may be constructed according to any of several known interfaces including, for example, E1/T1, ATM, IP, PPP, frame Relay, HDSL, ADSL, or xDSL. It will be understood that a system as shown in fig. 2 may include multiple BSCs 275.
Each BS270 may serve one or more sectors (or regions), each sector covered by a multi-directional antenna or an antenna pointing in a particular direction being radially distant from the BS 270. Alternatively, each partition may be covered by two or more antennas for diversity reception. Each BS270 may be configured to support multiple frequency allocations, with each frequency allocation having a particular frequency spectrum (e.g., 1.25MHz,5MHz, etc.).
The intersection of partitions with frequency allocations may be referred to as a CDMA channel. The BS270 may also be referred to as a Base Transceiver Subsystem (BTS) or other equivalent terminology. In such a case, the term "base station" may be used to generically refer to a single BSC275 and at least one BS 270. The base stations may also be referred to as "cells". Alternatively, each sector of a particular BS270 may be referred to as a plurality of cell sites.
As shown in fig. 2, a Broadcast Transmitter (BT)295 transmits a broadcast signal to the mobile terminal 100 operating within the system. A broadcast receiving module 111 as shown in fig. 1 is provided at the mobile terminal 100 to receive a broadcast signal transmitted by the BT 295. In fig. 2, several Global Positioning System (GPS) satellites 300 are shown. The satellite 300 assists in locating at least one of the plurality of mobile terminals 100.
In fig. 2, a plurality of satellites 300 are depicted, but it is understood that useful positioning information may be obtained with any number of satellites. The GPS module 115 as shown in fig. 1 is generally configured to cooperate with satellites 300 to obtain desired positioning information. Other techniques that can track the location of the mobile terminal may be used instead of or in addition to GPS tracking techniques. In addition, at least one GPS satellite 300 may selectively or additionally process satellite DMB transmission.
As a typical operation of the wireless communication system, the BS270 receives reverse link signals from various mobile terminals 100. The mobile terminal 100 is generally engaged in conversations, messaging, and other types of communications. Each reverse link signal received by a particular base station 270 is processed within the particular BS 270. The obtained data is forwarded to the associated BSC 275. The BSC provides call resource allocation and mobility management functions including coordination of soft handoff procedures between BSs 270. The BSCs 275 also route the received data to the MSC280, which provides additional routing services for interfacing with the PSTN 290. Similarly, the PSTN290 interfaces with the MSC280, the MSC interfaces with the BSCs 275, and the BSCs 275 accordingly control the BS270 to transmit forward link signals to the mobile terminal 100.
Based on the above mobile terminal hardware structure and communication system, various embodiments of the present invention are proposed.
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
First embodiment
A first embodiment of the present invention provides an apparatus with a dual-layer display screen, which can be applied to a terminal with a display function.
Here, the terminal described above may be a fixed terminal having a display screen, or may be a mobile terminal having a display screen.
The above-mentioned fixed terminal may be a computer, and the above-mentioned mobile terminal includes but is not limited to a mobile phone, a notebook computer, a camera, a PDA, a PAD, a PMP, a navigation device, and the like. The terminal can be connected to the internet, wherein the connection mode can be through a mobile internet network provided by an operator, and can also be through accessing a wireless access point to perform network connection.
Here, if the mobile terminal has an operating system, the operating system may be UNIX, Linux, Windows, Android (Android), Windows Phone, or the like.
The type, shape, size, and the like of the display screen on the terminal are not limited, and the display screen on the terminal may be, for example, a liquid crystal display or the like.
In a first embodiment of the present invention, the display screen is used to provide a human-computer interaction interface for a user, and when the mobile terminal is a mobile phone, fig. 3 is a front view of the mobile terminal according to the first embodiment of the present invention, and fig. 4 is a rear view of the mobile terminal according to the first embodiment of the present invention.
At present, most of terminals with display screens are provided with one display screen, and if one display screen is added in the terminal, the added display screen is mostly arranged on the back side or other areas of the terminal, so that the design is not beneficial to the observation of a user on the display screen. To solve these problems, embodiments of the present invention provide an apparatus having a dual display screen.
Fig. 5 is a schematic diagram of a first component structure of an apparatus having a dual-layer display screen according to an embodiment of the present invention, as shown in fig. 5, the apparatus includes: a first display screen 50, a second display screen 51, a substrate 52 and a controller; wherein,
the first display panel 50 is fixed above the second display panel 51, and the second display panel 51 is fixed above the substrate 52.
The first display screen 50 is used for starting to work after receiving a first signal sent by the controller; the first signal is used to control the first display screen 50 to be turned on and the second display screen 51 to be turned off.
The second display screen 51 is used for starting to work after receiving a second signal sent by the controller; the second signal is used to control the second display screen 51 to be turned on and the first display screen 50 to be turned off.
Here, the switching control between the first display screen 50 and the second display screen 51 may be performed by a controller located in the apparatus, and when the controller detects that the first display screen 50 needs to be turned on, a first signal is generated and sent to the first display screen 50 and the second display screen 51; when the controller detects that the second display screen 51 needs to be turned on, a second signal is generated and sent to the first display screen 50 and the second display screen 51. In practical applications, the controller may be implemented by a Central Processing Unit (CPU), a microprocessor Unit (MPU), a Digital Signal Processor (DSP), a Field Programmable Gate Array (FPGA), or the like, which are located in the device.
Another optional method for controlling the switching of the display screen is as follows: the manual switching of the display screen by a user is realized by setting a display screen switching switch. For example, when a device with a dual-layer display screen in the embodiment of the present invention is mounted in a mobile terminal, a hardware "display screen switch" is set outside the mobile terminal, or a software "display screen switch" is set inside the mobile terminal, so as to implement manual switching of the display screen by a user.
Another optional method for controlling the switching of the display screen is as follows: the switching of the display screen is controlled by a display screen switching application. For example, the application program controls the display screen to be freely switched according to the application scene of the terminal, or switches to the specified display screen according to the obtained control instruction.
The substrate 52 may be a main circuit board in the terminal, or other flat panel for fixing the position of the display screen.
Illustratively, the first display screen 50 may be a transparent display screen, and the second display screen 51 may be a reflective display screen.
In practical application, when the first display screen 50 does not work and the second display screen 51 works, the first display screen 50 is configured into a transparent display screen, light emitted by the second display screen 51 during working can penetrate through the transparent display screen to reach human eyes, and the transparent display screen cannot obstruct normal work of the second display screen 51. Here, the transparent display screen may be a transparent LCD.
The second display screen 51 may be configured as a reflective display screen, or may be configured as a general LCD display screen.
Here, when the second display panel 51 is configured as a reflective display panel, display can be performed by utilizing reflection of natural light. The reflective display screen is divided into a passive display screen and an active display screen, wherein the passive display screen is formed by installing a reflective material below a liquid crystal panel, and when the ambient light is sufficient, the reflective display screen illuminates the screen by utilizing the light reflected by a mirror surface. It is not workable to the dark because the weak ambient light is not sufficiently reflected to illuminate the screen. The display screen which can only passively receive and reflect ambient light is a passive reflection type liquid crystal screen; the active display screen is equivalent to adding a light source at the top of the passive reflective liquid crystal screen as illumination, so that a clear screen can be seen by turning on an illuminating lamp even when the ambient light is insufficient.
In actual implementation, when the external light condition is better, the controller starts the reflective display screen to close the transparent display screen (i.e. starts the second display screen 51 to close the first display screen), and when the external light condition is better, the controller starts the transparent display screen to close the reflective display screen (i.e. starts the first display screen to close the second display screen 51), so that the power consumption can be reduced, and the display effect of the device can be improved.
Optionally, the first display screen 50 may be a liquid crystal display, and the second display screen 51 may be an electronic paper display.
In practical implementation, the first display screen 50 may be an OLED screen, an STN screen, a TFT screen, or the like.
When the second display screen 51 is an electronic paper display screen, the visual perception of the screen is almost complete like paper, the display content can be continuously switched and refreshed like a common liquid crystal display, and the power is saved much more than that of the liquid crystal display.
The electronic paper is a novel display, has the greatest characteristic of free bending, is very similar to paper, and has high color-to-contrast ratio, high resolution, low power consumption and low manufacturing cost. Electronic paper has been developed to emulate the appearance of ink on real paper. Unlike a general flat panel display, which requires a backlight to illuminate pixels, electronic paper can reflect ambient light as common paper does. And the electronic paper can keep the originally displayed picture and character states under the condition that the electronic paper is not powered on any more.
In addition, because the electronic paper has the characteristics of ultra-thin portability, when the second display screen 51 is the electronic paper display screen, the influence on the whole thickness of the screen is small, the influence on the appearance of the device is small, the cross display of the double display screens can be realized, and the device with the double display screens has all the advantages of a normal liquid crystal display and an electronic paper display screen device, so that the display diversity is increased.
Optionally, the second display screen 51 is an electronic paper display screen that is selected in advance and meets the setting conditions, and the setting conditions may be: the light transmittance of the electronic paper display screen is less than the light transmittance threshold when the electronic paper display screen does not work, and the light transmittance threshold can be 5%. It can be understood that, when the first display screen 50 works, because the first display screen 50 can emit light to the periphery at the same time, the light reaching the inside of the terminal enters human eyes after being reflected by the internal devices of the terminal, and the identification of the current display content by the human eyes can be influenced. Therefore, in order to eliminate the influence of other components in the terminal on the display effect of the first display screen 50, it is necessary to limit the light transmittance of the electronic paper display screen 51, so that the electronic paper display screen serves as a light shielding layer of the first display screen 50, and light emitted by the first display screen 50 is prevented from being reflected back. Under the ideal condition, the luminousness when the electronic paper display screen does not work is 0% pure black electronic paper, and inside all light rays that can prevent first display screen 50 penetrated the terminal when first display screen 50 worked, guaranteed first display screen 50's display effect.
Optionally, the first display screen and the second display screen are fixed by optical bonding glue.
Here, by fixing the first display 50 and the second display 51 by the optical adhesive, the display effect of the second display 51 in operation can be ensured. The Optical Adhesive can be Optical Clear Adhesive (OCA), Optical Clear Resin (OCR) or Liquid Optical Clear Adhesive (LOCA), and the Optical transmittance of the Optical Adhesive can reach more than 95%.
Alternatively, the first display screen 50 may be a curved screen, and the second display screen 51 may be a curved screen.
In the embodiment of the present invention, the double-layer display screen may also be a curved-surface display screen, and at this time, the first display screen 50 and the second display screen 51 are both curved-surface screens, so as to form a double-layer curved-surface display screen. When the second display screen 51 is an electronic paper display screen, since the electronic paper display screen can be flexibly bent, when the first display screen 50 is designed as a curved display screen, the first display screen and the second display screen can be completely attached together, thereby realizing bending of the two display screens.
In the embodiment of the present invention, the apparatus having a dual-layer display screen may further include: the display screen protection cover plate is fixed above the first display screen 50. The display screen protection cover plate is used for isolating the damage of corrosion, dirt and the like from the outside, the strength of the double-layer display screen device is enhanced, and the service life of the display screen is prolonged.
Optionally, when the display screen of the device is a hyperboloid display screen, the protective cover plate is a curved surface protective cover plate, and the protective cover plate is made of plastic, toughened glass, ceramic or sapphire. In practical application, the curved protection cover may be a 2.5D transparent protection cover plate or a 3D transparent protection cover plate.
Optionally, a layer of waterproof material may be further coated around the protective cover plate, and a waterproof layer is formed after curing, and is preferably made of silicon dioxide or aluminum oxide.
In another preferred embodiment, the substrate 52 and the second display screen 51 further include: a protective layer; the protective layer is used to enhance the strength of the dual-layer display screen device.
In practical implementation, the protective layer may be made of copper foil, Polyethylene terephthalate (PET), Polyethylene (PE), or the like.
In order to further embody the object of the present invention, the above-mentioned scheme is further exemplified on the basis of the first embodiment of the present invention.
Fig. 6 is a schematic diagram of a second component structure of an apparatus having a dual-layer display screen according to an embodiment of the present invention, as shown in fig. 6, the apparatus includes: the display panel comprises a first display screen 50, a second display screen 51, a substrate 52, a protective cover plate 53, optical bonding glue 54 and a protective layer 55.
The first display panel 50 is fixed above the second display panel 51 by an optical adhesive 54, and the lower surface of the second display panel 51 is fixed on the substrate 52 after being attached to the upper surface of the protective layer 55. The protective layer 55 is used for enhancing the strength of the double-layer display screen, the protective cover plate 53 is further fixed above the first display screen 50, the protective cover plate 53 is used for isolating damages such as corrosion and stains from the outside, the strength of the double-layer display screen device is enhanced, and the service life of the display screen is prolonged.
The device further comprises a controller for controlling a switching operation between the first display screen 50 and the second display screen 51.
Second embodiment
To further illustrate the object of the present invention, the first embodiment of the present invention is further exemplified.
In the embodiment of the present invention, the first display screen 50 may be a transparent display screen device, and the second display screen 51 may be an electronic paper display screen device.
Fig. 7 is a front view of a first display screen according to an embodiment of the present invention, that is, a front view of a first display screen with a dual-layer display screen device (as shown in fig. 7), when the first display screen 50 is a transparent display screen, the first display screen 50 is a transparent display screen device 1, a partial area of the transparent display screen device 1 is a transparent display screen display area 2, where the transparent display screen device 1 is located on an upper layer of the dual-layer display screen, and a length and a width of the transparent display area 2 are both smaller than a length and a width of the transparent display screen device 1.
Fig. 8 is a front view of a second display screen of the embodiment of the present invention, which is a front view of the second display screen with a dual-layer display screen device (as shown in fig. 8), when the second display screen 51 is an electronic paper display screen, the second display screen 51 is an electronic paper display screen device 3, a partial area in the electronic paper display screen device 3 is an electronic paper display screen display area 4, where the electronic paper display screen device 3 is located at a lower layer of the dual-layer display screen, and a length and a width of the electronic paper display area 4 are smaller than those of the electronic paper display screen device 3.
Fig. 9 is a front view schematically illustrating a third component structure of an apparatus having a dual-layered display according to an embodiment of the present invention, and fig. 11 is a left side view schematically illustrating the third component structure of the apparatus having a dual-layered display according to an embodiment of the present invention, as shown in the drawing, the apparatus includes: the device comprises a transparent display screen device 1, an electronic paper display screen device 3, a protective cover plate 5, optical bonding glue 6 and a back protective layer 7.
In the embodiment of the present invention, the front view (fig. 9) and the left view (fig. 11) of the dual-layer display screen device are partially enlarged according to the ratio of 4:1 to obtain corresponding partially enlarged views (as shown in fig. 10 and fig. 12), and as can be seen from fig. 10, the device sequentially includes from right to left: the electronic paper display screen comprises a protective cover plate 5, a transparent display screen device 1 and an electronic paper display screen device 3, wherein the middle part of the transparent display screen device 1 is a transparent display screen display area 2, and the middle part of the electronic paper display screen device 3 is an electronic paper display screen display area 4. It should be noted that, in the front view, in order to clearly show the relationship between the components of the apparatus, the lengths and widths of the transparent display screen device 1 and the electronic paper display screen device 3 in the figure are displayed in a differentiated manner, but in practical applications, the lengths and widths of the transparent display screen device 1 and the electronic paper display screen device 3 may be the same. One preferred solution for the display area is: the length and width of the display area 2 of the transparent display screen and the length and width of the display area 4 of the electronic paper display screen are set to be the same, so that natural switching can be realized when the display screens are switched, a user cannot feel the switching process of the display screens, and the smoothness of switching the display screens of the device is improved.
As can be seen from fig. 12, the device is, from the outside inwards: the display screen comprises a protective cover plate 5, a transparent display screen device 1, optical bonding glue 6, an electronic paper display screen device 3 and a back protective layer 7.
Fig. 13 is a left side view schematically illustrating a fourth component structure of a device having a dual-layered display according to an embodiment of the present invention, and from a partial enlarged view (II) of the left side view in fig. 13 (as shown in fig. 14), it can be seen that the device is sequentially as follows from the outside to the inside: the display device comprises a protective cover plate 5, a transparent display screen device 1, optical bonding glue 6, an electronic paper display screen device 3, a back protective layer 7 and a substrate 8. Transparent display screen equipment 1 and electron paper display screen equipment 3 are fixed through optical bonding glue 6 between, and the top and the below of the double-deck display screen that fix together dispose protection apron 5 and back protective layer 7 respectively for strengthen double-deck display screen's intensity, fix double-deck display screen in the top of base plate 8 at last. In practical implementation, the substrate 8 may be a main board of the mobile terminal, and the dual-layer display screen may be fixed inside the mobile terminal.
Third embodiment
To further illustrate the object of the present invention, the first embodiment of the present invention is further illustrated.
In the embodiment of the present invention, in order to meet the requirement of curved surface profile design of an apparatus with dual display screens, both the first display screen 50 and the second display screen 51 may be curved surface display screens, and therefore, the embodiment of the present invention further provides an apparatus with a curved surface display screen, for example, the first display screen 50 may be a curved surface transparent display screen device, and the second display screen 51 may be a curved surface electronic paper display screen device.
Fig. 15 is a front view schematically illustrating a fifth constitutional structure of an apparatus having a dual-layered display panel according to an embodiment of the present invention, and fig. 17 is a left view schematically illustrating the fifth constitutional structure of the apparatus having the dual-layered display panel according to an embodiment of the present invention, as shown in the drawing, the apparatus includes: the device comprises a curved transparent display screen device 1a, a curved electronic paper display screen device 3a, a curved protective cover plate 5a, an optical adhesive 6 and a back protective layer 7.
In the embodiment of the present invention, the front view (fig. 15) and the left view (fig. 17) of the dual-layer display screen device are partially enlarged in a scale of 4:1, and from the partially enlarged view (I) of the front view in fig. 15 (as shown in fig. 16), it can be seen that the device sequentially comprises from right to left: the curved surface display screen comprises a curved surface protection cover plate 5a, a curved surface transparent display screen device 1a and a curved surface electronic paper display screen device 3a, wherein the middle part of the transparent display screen device 1 is a transparent display screen display area 2, and the middle part of the electronic paper display screen device 3 is an electronic paper display screen display area 4. It should be noted that, in the front view, in order to clearly show the composition structure relationship of the apparatus, the lengths and widths of the curved transparent display screen device 1a and the curved electronic paper display screen device 3a in the figure are displayed in a differentiated manner, but in practical application, the lengths and widths of the curved transparent display screen device 1 and the curved electronic paper display screen device 3 may be adaptively adjusted according to the design size of the apparatus. One preferred solution for the display area is: the length and width of the display area 2 of the transparent display screen and the length and width of the display area 4 of the electronic paper display screen are set to be the same, so that natural switching can be realized when the display screens are switched, a user cannot feel the switching process of the screens, and the visual experience of the user is prompted.
From the partial enlargement (II) of the left side view in fig. 17 (as shown in fig. 18), it can be seen that the device is, in order from the outside inwards: the device comprises a curved surface protective cover plate 5a, a curved surface transparent display screen device 1a, optical bonding glue 6, a curved surface electronic paper display screen device 3a and a back protective layer 7. It will be appreciated that when the double-layer display screen is designed to be curved, the curved protective cover 5a and the back protective layer 7 should also be adaptively designed to be curved to match the appearance of the display screen and meet the overall installation requirements of the device. And finally, fixing the curved double-layer display screen above a specified substrate in the device.
Fig. 19 is a schematic top view of a fifth composition structure of the apparatus with a dual-layer display screen according to the embodiment of the present invention, and as can be seen more clearly from fig. 19, the curved surface protection cover plate 5a, the curved surface transparent display screen device 1a and the curved surface electronic paper display screen device 3a of the hyperboloid display screen are tightly attached together to form the hyperboloid display apparatus. In this embodiment, the curved protective cover 5a may be a 2.5D transparent glass protective cover.
The embodiment of the invention provides a device with a double-layer display screen, which comprises: the display device comprises a first display screen, a second display screen, a substrate and a controller; the first display screen is fixed above the second display screen, and the second display screen is fixed above the substrate; the first display screen is used for starting to work after receiving a first signal sent by the controller; the first signal is used for controlling the first display screen to be opened and the second display screen to be closed; the second display screen is used for starting to work after receiving a second signal sent by the controller; the second signal is used for controlling the opening of the second display screen and the closing of the first display screen. Compared with the prior art, the terminal can use the corresponding display screen to execute the display operation under different display environments by configuring the double-layer display screen, and the display diversity can be realized.
The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Fourth embodiment
Aiming at the device provided by the embodiment of the invention, the embodiment of the invention also provides a method for controlling the device with the double-layer display screen to switch the display screen. In the embodiment of the present invention, the first display screen 50 is a transparent display screen, and the second display screen 51 is an electronic paper display screen.
Fig. 20 is a flowchart of a method for controlling dual-display switching according to an embodiment of the present invention, as shown in fig. 20, the method includes:
step 2000: and obtaining the external illumination intensity.
In practical implementation, the illumination intensity refers to the luminous flux of visible light received per unit area, and is abbreviated as illumination. Indicating the amount of illumination and the degree to which the surface area of the object is illuminated. In the embodiment of the present invention, when the first display screen 50 is a transparent display screen and the second display screen 51 is an electronic paper display screen, since the electronic paper display screen displays by means of external environment light, the requirement for the external environment light is high, and the transparent display screen displays by backlight or self-luminescence, the requirement for the external environment light is low. Therefore, the working requirement of which screen the current ambient light of the device meets can be judged according to the illumination intensity, and therefore the switching operation of the display screen is carried out.
The illumination intensity of the surrounding environment can be detected through the ambient light sensor or the photoelectric sensor, and the controller judges which display screen is used to work according to the detection result of the illumination intensity, so that the switching of the display screens is controlled.
Step 2001: judging whether the external illumination intensity is smaller than an intensity threshold value, if so, executing a step 2002; if not, step 2003 is performed.
In this step, the intensity threshold may be a minimum illumination intensity of the electronic paper display screen during operation, for example, the intensity threshold is 500 lux.
Step 2002: the controller generates a first signal, and the first signal is used for controlling the transparent display screen to be opened and the electronic paper display screen to be closed.
In this step, when closing the electronic paper display screen, whole electronic paper surface is the black entirely, and the luminousness of electronic paper is less than 5% this moment, therefore the electronic paper display screen can act as the light shield layer of transparent display screen, comes to shelter from the light that transparent display screen jetted to the device inside, eliminates the influence of other inside equipment of device to transparent display screen display effect.
It should be noted that, when the electronic paper display screen works, the transparent display screen needs to be completely transparent, so that it can be ensured that all contents displayed by the electronic paper are not affected by the transparent display screen, and at this time, the transparent display screen can be regarded as a transparent protective cover plate of the electronic paper display screen.
Step 2003: the controller generates a second signal, and the second signal is used for controlling the electronic paper display screen to be opened and the transparent display screen to be closed.
When the illumination intensity of the external environment is weakened from strong to weak and the illumination intensity is smaller than the intensity threshold value, the controller controls the display screen to be switched to the transparent display screen through the electronic paper display screen, the transparent display screen displays the display content before the electronic display screen is closed, and a user cannot feel the display screen in the switching process, so that good visual experience of the user is guaranteed.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of a hardware embodiment, a software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.
Claims (10)
1. An apparatus having a dual-layer display, the apparatus comprising: the display device comprises a first display screen, a second display screen, a substrate and a controller; wherein,
the first display screen is fixed above the second display screen, and the second display screen is fixed above the substrate;
the first display screen is used for starting to work after receiving a first signal sent by the controller; the first signal is used for controlling the first display screen to be opened and the second display screen to be closed;
the second display screen is used for starting to work after receiving a second signal sent by the controller; the second signal is used for controlling the second display screen to be opened and the first display screen to be closed.
2. The apparatus of claim 1, wherein the first display is a transparent display and the second display is a reflective display.
3. The device of claim 1, wherein the first display screen is a liquid crystal display and the second display screen is an electronic paper display.
4. The device of claim 1, wherein the second display screen is a pre-selected electronic paper display screen satisfying setting conditions: the light transmittance of the electronic paper display screen is smaller than the light transmittance threshold when the electronic paper display screen does not work.
5. The device of claim 1, wherein the first display screen and the second display screen are fixed by an optical adhesive.
6. The apparatus of claim 5, wherein the optical bonding glue is an optical glue, an optical transparent resin, or an optical liquid transparent glue.
7. The device of claim 1, wherein the first display screen is a curved screen and the second display screen is a curved screen.
8. The apparatus of claim 1, further comprising: the display screen protection cover plate is fixed above the first display screen.
9. The device of claim 8, wherein the protective cover is a curved protective cover made of plastic, tempered glass, ceramic or sapphire.
10. The apparatus of claim 1, further comprising, between the substrate and the second display screen: a protective layer; the protective layer is used for enhancing the strength of the double-layer display screen device.
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| CN109754699A (en) * | 2019-03-08 | 2019-05-14 | 王乐 | A kind of intelligently globe |
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| US11322715B2 (en) | 2019-01-31 | 2022-05-03 | Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Display module including stacked OLED panels and manufacturing method and electronic device thereof |
| CN109754699A (en) * | 2019-03-08 | 2019-05-14 | 王乐 | A kind of intelligently globe |
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Application publication date: 20170804 |