WO2013152701A1 - 双屏显示装置、双屏显示方法和电子设备 - Google Patents
双屏显示装置、双屏显示方法和电子设备 Download PDFInfo
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- WO2013152701A1 WO2013152701A1 PCT/CN2013/073903 CN2013073903W WO2013152701A1 WO 2013152701 A1 WO2013152701 A1 WO 2013152701A1 CN 2013073903 W CN2013073903 W CN 2013073903W WO 2013152701 A1 WO2013152701 A1 WO 2013152701A1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/1423—Digital output to display device ; Cooperation and interconnection of the display device with other functional units controlling a plurality of local displays, e.g. CRT and flat panel display
- G06F3/1431—Digital output to display device ; Cooperation and interconnection of the display device with other functional units controlling a plurality of local displays, e.g. CRT and flat panel display using a single graphics controller
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/13362—Illuminating devices providing polarized light, e.g. by converting a polarisation component into another one
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- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/147—Digital output to display device ; Cooperation and interconnection of the display device with other functional units using display panels
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
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- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/3406—Control of illumination source
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
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- G—PHYSICS
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- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
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- G09G5/14—Display of multiple viewports
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- G—PHYSICS
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- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/133342—Constructional arrangements; Manufacturing methods for double-sided displays
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
- G02F2201/58—Arrangements comprising a monitoring photodetector
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F2203/00—Function characteristic
- G02F2203/01—Function characteristic transmissive
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2300/00—Aspects of the constitution of display devices
- G09G2300/02—Composition of display devices
- G09G2300/023—Display panel composed of stacked panels
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- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/06—Adjustment of display parameters
- G09G2320/0626—Adjustment of display parameters for control of overall brightness
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2360/00—Aspects of the architecture of display systems
- G09G2360/04—Display device controller operating with a plurality of display units
Definitions
- Dual screen display device dual screen display method and electronic device
- the present invention relates to the field of LCD display, and more particularly, to a dual screen display device, a dual screen display method, and an electronic device. Background technique
- a second display screen is usually provided to increase the function of the electronic product and provide more convenient operation for the user.
- flip-type mobile phones typically have internal and external screens, with internal screens typically used to display video, gaming applications, and text editing applications, while external screens are commonly used to display information related to communication processing, such as caller ID numbers, text message topics, and the like.
- mobile Internet devices such as tablet PCs are gradually adopting the trend of dual-screen display design to obtain a better user experience.
- the present invention provides a dual screen display device, a dual screen display method, and an electronic device.
- a dual screen display device including: a first display unit and a second display unit, a light receiving surface of the first display unit and a light receiving surface of the second display unit Arranging opposite to each other; a backlight module unit disposed between the light receiving surface of the first display unit and the light receiving surface of the second display unit; and a light source unit configured to emit illumination light to the backlight module unit; a first polarizing filter unit and a second polarizing filter unit, respectively disposed on a light receiving surface of the first display unit and a light receiving surface of the second display unit, and the first polarizing filter unit And a polarization direction of the second polarization filter unit, wherein the illumination light Deviating to the first display unit and the second display unit by the backlight module unit, and illuminating the first display unit and the second after passing through the first polarization filter unit and the second polarization filter unit On the display unit.
- a dual screen display device wherein the light source unit includes a first light source unit and a second light source unit, respectively disposed on both sides of the backlight module unit, and respectively for emitting the first illumination Light and second illumination.
- a dual screen display device further includes a first polarizing unit and a second polarizing unit, respectively disposed between the first light source unit and the backlight module unit and the Between the two light source units and the backlight module unit, respectively for receiving first illumination light and second illumination light and generating first polarization illumination light and second polarization illumination light, wherein the first polarization filter unit and The polarization direction of the first polarizing unit is the same, and the polarization directions of the second polarizing filter unit and the second polarizing unit are the same.
- a dual screen display device further includes a light source control unit for controlling the first light source unit and the second light source unit to respectively emit light or simultaneously emit light as needed.
- a dual screen display device wherein the first polarizing unit and the second polarizing unit are polarizing films or polarizing glasses.
- a dual screen display device wherein the backlight module unit includes a light guide plate and a diffusion sheet.
- a dual screen display device wherein the backlight module unit further includes a brightness enhancement sheet.
- a dual screen display method for use in an electronic device, the electronic device including a display control unit and a dual display device, the dual display device including a first display unit And a second display unit, the light receiving surface of the first display unit and the light receiving surface of the second display unit are arranged opposite to each other; a backlight module unit disposed on the light receiving surface of the first display unit Between the light receiving surfaces of the second display unit; a light source unit for emitting illumination light to the backlight module unit; a light source control unit for controlling the light source unit to emit light; and a first polarization filter unit and a second polarization Filtering units respectively disposed on a light receiving surface of the first display unit and a light receiving surface of the second display unit, and the first polarizing filter unit and the second polarizing filter unit
- the polarization directions are orthogonal, wherein the illumination light is deflected to the first display unit and the second display unit by the backlight module unit, and passes through the first polarization Ir
- the light source unit includes a first light source unit and a second light source unit, respectively disposed on two sides of the backlight module unit, and respectively used to emit the first Illumination light and second illumination light.
- a dual screen display method wherein the dual screen display device further includes a first polarizing unit and a second polarizing unit, respectively disposed at the first light source unit and the backlight module Between the group units and between the second light source unit and the backlight module unit, respectively for receiving the first illumination light and the second illumination light and generating the first polarization illumination light and the second polarization illumination light, wherein
- the polarization directions of the first polarization filter unit and the first polarization unit are the same, and the polarization directions of the second polarization filter unit and the second polarization unit are the same.
- a dual screen display method wherein the light source unit emits light based on the received light source control signal includes: the first light source unit and the second light source unit are controlled based on the received light source The signals illuminate separately or simultaneously.
- an electronic device including: a dual screen display device; and a display control unit for controlling the dual screen display device, wherein the dual screen display device includes a first display unit And a second display unit, the light receiving surface of the first display unit and the light receiving surface of the second display unit are arranged opposite to each other; a backlight module unit disposed on the light receiving surface of the first display unit Between the light receiving surfaces of the second display unit; a light source unit for emitting illumination light to the backlight module unit; and a first polarization filter unit and a second polarization filter unit, respectively disposed on the first display unit a light receiving surface and a light receiving surface of the second display unit, and a polarization direction of the first polarization filter unit and the second polarization filter unit is orthogonal, wherein the illumination light passes through The backlight module unit is deflected toward the first display unit and the second display unit, and is irradiated by the first polarizing filter unit and the second polarizing filter unit
- the light source unit includes a first light source unit and a second light source unit, which are respectively disposed on both sides of the backlight module unit, and are respectively configured to emit the first illumination light And second illumination light.
- an electronic device further includes a first polarizing unit and a second polarizing unit, respectively disposed between the first light source unit and the backlight module unit and the second Between the light source unit and the backlight module unit, respectively, for receiving the first illumination light and the second illumination light and generating the first polarization illumination light and the second polarization illumination light, wherein the first polarization filter unit and the The polarization direction of the first polarizing unit is the same, and the polarization directions of the second polarizing filter unit and the second polarizing unit are the same.
- an electronic device further includes a light source control unit for controlling the first light source unit and the second light source unit to respectively emit light or simultaneously emit light as needed.
- the dual screen display device the dual screen display method thereof, and the electronic device using the dual screen display device, a thinner and lighter dual screen display device can be realized, and an appropriate dual screen display can be performed according to display requirements.
- FIG. 1 is a block diagram illustrating an electronic device to which a dual screen display device according to an embodiment of the present invention is applied;
- FIG. 2 is a flowchart illustrating a dual screen display method according to an embodiment of the present invention
- FIG. 3 is a schematic view showing a display state of a dual screen display device according to an embodiment of the present invention.
- Fig. 4 is a schematic view showing another display state of the dual screen display device according to an embodiment of the present invention. detailed description
- the electronic device is preferably, for example, a smart phone, a personal digital assistant, a tablet or the like.
- an electronic device 1 is a block diagram illustrating an electronic device to which a dual screen display device according to an embodiment of the present invention is applied.
- an electronic device 1 according to an embodiment of the present invention includes a dual screen display device 10 and a display control unit 20. It is to be noted that only the above components are shown in Fig. 1 for the purpose of the description. Those skilled in the art will readily appreciate that electronic device 1 in accordance with embodiments of the present invention may also include other components, such as a central processing unit, an input output unit, a communication unit, and the like. The specific configuration of the dual screen display device 10 in the electronic device 1 will be described in detail below.
- the dual screen display device 10 includes a first display unit 101 and a second display unit 102.
- the first display unit 101 and the second display unit 102 may be LCD panels.
- the light receiving surface of the first display unit 101 and the light receiving surface of the second display unit 102 are arranged opposite to each other.
- the dual display device 10 includes a backlight module unit 107. Different from the two display units in the prior art dual display device having respective backlight module units, the first display unit 101 and the second display unit in the dual screen display device 10 according to the embodiment of the present invention 102 will share the backlight module unit 107.
- a backlight module unit 107 is disposed between a light receiving surface of the first display unit 101 and a light receiving surface of the second display unit 102.
- the backlight module unit 107 includes a light guide plate and a diffusion sheet.
- the backlight module unit 107 further includes a brightness enhancement sheet. Since the backlight module unit 107 is shared by the first display unit 101 and the second display unit 102, the thickness and weight of the dual screen display device 10 will be greatly reduced as compared with the prior art.
- the dual screen display device 10 includes a light source unit that supplies illumination light to the first display unit 101 and the second display unit 102.
- the light source unit includes a first light source unit 103 and a second light source unit 104 disposed on two sides of the backlight module unit 107 for respectively emitting the first illumination. Light and second illumination.
- the dual screen display device 10 may have only a single light source, and the illumination light emitted from a single light source is split by a spectroscopic component such as a backlight module unit.
- the first light source unit 103 and the second light source unit 104 are LED lamps.
- the dual screen display device 10 further includes a first polarization filter unit 108 and a second polarization filter unit 109.
- the first polarizing filter unit 108 and the second polarizing filter unit 109 are respectively disposed on a light receiving surface of the first display unit 101 and a light receiving surface of the second display unit 102, and the first The polarization directions of one polarization filter unit 108 and the second polarization filter unit 109 are orthogonal. That is, the illumination light is deflected by the backlight module unit 107 to the first display unit 101 and the second display unit 102, and passes through the first polarization filter unit 108 and the second polarization filter unit. 109 is then irradiated on the first display unit 101 and the second display unit 102.
- the dual screen display device 10 further includes a first polarizing unit 105 and a second polarizing unit 106, respectively disposed between the first light source unit 103 and the backlight module unit 107 and between the second light source unit 104 and the backlight module unit 107, respectively for receiving first illumination light and The second illumination light and the first polarization illumination light and the second polarization illumination light are generated.
- the polarization directions of the first polarization filter unit 108 and the first polarization unit 105 are the same, and the polarization directions of the second polarization filter unit 109 and the second polarization unit 106 are the same.
- the first polarizing unit 105 and the second polarizing unit 106 are polarizing films or polarized glasses.
- the dual-screen display device 10 further includes a light source control unit 110 for controlling the first light source unit 103 and the second light source unit 104 to respectively emit light or simultaneously emit light as needed.
- the display control unit 20 in the electronic device 1 generates and transmits a display control signal to the light source in the dual screen display device 10 according to the display needs of the electronic device 1.
- Control unit 110 the display control unit 20 in the electronic device 1 according to the embodiment of the present invention generates and transmits a display control signal to the light source in the dual screen display device 10 according to the display needs of the electronic device 1.
- the dual screen display method according to an embodiment of the present invention includes:
- step S201 the display control unit 20 transmits a display control signal to the dual display device 10 in accordance with the display needs of the electronic device 1. That is, the display control unit 20 performs a single screen display according to one of the first display unit 101 or the second display unit 102, or the first display unit 101 and the second, according to what kind of display the electronic device 1 needs to perform. Both of the display units 102 simultaneously perform dual screen display, generating and transmitting corresponding display control signals to the light source control unit 110 of the dual display device 10. Thereafter, the processing proceeds to step S202.
- step S202 the light source control unit 110 in the dual screen display device 10 generates a light source control signal based on the received display control signal, and transmits the light source control signal to the light source unit. That is, if the display control signal indicates that the electronic device 1 desires the first display unit 101 to perform display and the second display unit 102 does not perform display, the light source control unit 110 generates a corresponding light source. a control signal, the light source control signal indicating that the first light source unit 103 corresponding to the first display unit 101 emits light, and the second light source unit 104 corresponding to the second display unit 102 does not emit light.
- the display control signal indicates that the electronic device 1 desires the first display unit 101 and the second display unit 102
- the light source control unit 110 When the display is performed at the same time, the light source control unit 110 generates a corresponding light source control signal, the light source control signal indicating the first light source unit 103 corresponding to the first display unit 101 and the second display unit 102
- the corresponding second light source unit 104 emits light at the same time. Thereafter, the processing proceeds to step S203.
- step S203 the first light source unit 103 and the second light source unit 104 emit light based on the received light source control signal. Thereby, the first display unit 101 and the second display unit 102 corresponding thereto perform display processing.
- Fig. 3 is a schematic view showing a display state of a dual screen display device according to an embodiment of the present invention. Specifically, Fig. 3 shows a state in which only a single display unit performs display in the dual screen display device (in the embodiment shown in Fig. 3, the first display unit 101 performs display alone);
- the light source control unit 110 when the display control unit 20 of the electronic device 1 instructs the first display unit 101 to perform display alone, the light source control unit 110 generates a corresponding light source control signal. That is, the light source control unit 110 transmits a lighting signal to the first light source unit 103, and transmits a non-lighting signal to the second light source unit 104.
- the first light source unit 103 In response to the received light source control signal, the first light source unit 103 emits light, and the second light source unit 104 does not emit light.
- the illumination light emitted by the first light source unit 103 is first converted by the first polarizing unit 105 into the polarized light P1 polarized in the first direction.
- the polarized light P1 passes through the backlight module unit 107 and is simultaneously directed to the first display unit 101 and the second display unit 102.
- the polarized light P1 Before reaching the first display unit 101, the polarized light P1 first reaches the first polarizing filter unit 108 disposed before the first display unit 101, due to the first polarizing filter unit 108 and the The polarizing directions of the first biasing unit 105 are the same, for example, the first direction, so that the illumination light converted into the polarized light P1 can pass through the first polarizing filter unit 108 to reach the light receiving surface of the first display unit 101. And causing the first display unit 101 to perform display.
- FIG. 4 is a schematic view illustrating another display state of a dual screen display device according to an embodiment of the present invention. Specifically, FIG. 4 illustrates a state in which two display units perform display in the dual screen display device (in the embodiment shown in FIG. 4, the first display unit 101 and the second display unit 102 simultaneously perform display ;).
- the light source control unit 110 when the display control unit 20 of the electronic device 1 indicates that the first display unit 101 and the second display unit 102 are desired to perform display simultaneously, the light source control unit 110 generates a corresponding Light source control signal. That is, the light source control unit 110 transmits a light emission signal to the first light source unit 103 and the second light source unit 104.
- the first light source unit 103 and the second light source unit 104 both emit light in response to the received light source control signal.
- the illumination light emitted by the first light source unit 103 is first converted by the first polarizing unit 105 into the polarized light P1 polarized in the first direction.
- the polarized light P1 passes through the backlight module unit 107 and is simultaneously directed to the first display unit 101 and the second display unit 102.
- the polarized light P1 Before reaching the first display unit 101, the polarized light P1 first reaches the first polarizing filter unit 108 disposed before the first display unit 101, due to the first polarizing filter unit 108 and the The polarization directions of the first bias unit 105 are the same, so illumination light converted to the polarized light P1 can pass through the first polarization filter unit 108 to reach the light receiving surface of the first display unit 101.
- the polarized light P1 reaches the second polarizing filter unit 109 disposed before the second display unit 102, due to the polarization direction of the second polarizing filter unit 109 and the first polarizing unit 105 Orthogonal, that is, the polarization direction of the second polarization filter unit 109 is a second direction orthogonal to the first direction, and illumination light converted to the polarization P1 cannot pass through the second polarization filter unit 109.
- the illumination light emitted by the second light source unit 104 is first converted by the second polarizing unit 106 into the polarized light P2 polarized in the second direction.
- the polarized light P2 passes through the backlight module unit 107 and is simultaneously directed to the first display unit 101 and the second display unit 102.
- the polarized light P2 first reaches the second polarizing filter unit 109 disposed before the second display unit 102, due to the second polarizing filter unit 109 and the The polarization direction of the second polarizing unit 106 is the same, so the illumination light converted into the polarized light P2 can pass through the second polarizing filter unit 109 to reach the light receiving surface of the second display unit 102.
- the first display unit 101 and the second display unit 102 are divided into The polarized light P1 and the polarized light P2 from the first light source unit 103 and the second light source unit 104 are not received, and the first display unit 101 and the second display unit 102 will simultaneously perform display.
- FIGS. 1 through 4 a dual screen display device, a dual screen display method thereof, and an electronic device using the dual screen display device according to an embodiment of the present invention are described with reference to FIGS. 1 through 4, which can realize a thinner and lighter dual screen display device, and can Perform the appropriate dual screen display as needed for the display.
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Abstract
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Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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US14/348,332 US9830122B2 (en) | 2012-04-11 | 2013-04-08 | Dual screen display apparatus, dual screen display method, and electronic device |
DE112013000371.6T DE112013000371B4 (de) | 2012-04-11 | 2013-04-08 | Duale bildschirm-displayvorrichtung, duales bildschirm-displayverfahren und elektronische vorrichtung |
Applications Claiming Priority (2)
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CN201210105189.1A CN103376588B (zh) | 2012-04-11 | 2012-04-11 | 双屏显示装置、双屏显示方法和电子设备 |
CN201210105189.1 | 2012-04-11 |
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WO2013152701A1 true WO2013152701A1 (zh) | 2013-10-17 |
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PCT/CN2013/073903 WO2013152701A1 (zh) | 2012-04-11 | 2013-04-08 | 双屏显示装置、双屏显示方法和电子设备 |
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US (1) | US9830122B2 (zh) |
CN (1) | CN103376588B (zh) |
DE (1) | DE112013000371B4 (zh) |
WO (1) | WO2013152701A1 (zh) |
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CN103472620B (zh) * | 2013-09-13 | 2016-03-16 | 合肥京东方光电科技有限公司 | 一种双屏幕显示装置 |
CN105425464B (zh) * | 2015-12-28 | 2019-02-26 | 武汉华星光电技术有限公司 | 液晶显示模组 |
CN105931610A (zh) * | 2016-07-11 | 2016-09-07 | 深圳市华星光电技术有限公司 | 双面显示屏驱动电路和双面显示装置 |
CN106293590B (zh) * | 2016-10-31 | 2023-08-11 | 惠科股份有限公司 | 一种双屏解码模组及双屏一体机 |
DE102016122922A1 (de) * | 2016-11-28 | 2018-05-30 | ANNAX GmbH | Doppelseitiger Bildschirm mit gemeinsamem Backlight |
CN108287677A (zh) * | 2018-02-09 | 2018-07-17 | 北京小米移动软件有限公司 | 内容展示方法及终端设备 |
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KR20020040989A (ko) * | 2000-11-25 | 2002-05-31 | 주식회사 현대 디스플레이 테크놀로지 | 양면광 출력형 백라이트 유닛 |
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2012
- 2012-04-11 CN CN201210105189.1A patent/CN103376588B/zh active Active
-
2013
- 2013-04-08 DE DE112013000371.6T patent/DE112013000371B4/de active Active
- 2013-04-08 US US14/348,332 patent/US9830122B2/en active Active
- 2013-04-08 WO PCT/CN2013/073903 patent/WO2013152701A1/zh active Application Filing
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JP2004199028A (ja) * | 2002-10-24 | 2004-07-15 | Seiko Epson Corp | 表示装置、及び電子機器 |
US20040239611A1 (en) * | 2003-06-02 | 2004-12-02 | Huang Kuo Jui | Double-sided light emitting backlight module |
CN1627149A (zh) * | 2003-12-08 | 2005-06-15 | 鸿富锦精密工业(深圳)有限公司 | 液晶显示器 |
Also Published As
Publication number | Publication date |
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CN103376588B (zh) | 2016-01-27 |
US9830122B2 (en) | 2017-11-28 |
DE112013000371T5 (de) | 2014-08-28 |
US20150301779A1 (en) | 2015-10-22 |
CN103376588A (zh) | 2013-10-30 |
DE112013000371B4 (de) | 2019-11-28 |
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