CN110750014A - Novel multilayer transparent screen and control system thereof - Google Patents

Novel multilayer transparent screen and control system thereof Download PDF

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Publication number
CN110750014A
CN110750014A CN201911222238.8A CN201911222238A CN110750014A CN 110750014 A CN110750014 A CN 110750014A CN 201911222238 A CN201911222238 A CN 201911222238A CN 110750014 A CN110750014 A CN 110750014A
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CN
China
Prior art keywords
light source
screen
transparent screen
display unit
display
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Pending
Application number
CN201911222238.8A
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Chinese (zh)
Inventor
艾瑞克
林志麟
张雪芹
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Shanghai Guan Chi Cultural Spreading Co Ltd
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Shanghai Guan Chi Cultural Spreading Co Ltd
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Priority to CN201911222238.8A priority Critical patent/CN110750014A/en
Publication of CN110750014A publication Critical patent/CN110750014A/en
Pending legal-status Critical Current

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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
    • 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
    • G02F1/13338—Input devices, e.g. touch panels
    • 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
    • G02F1/133528—Polarisers
    • 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
    • G02F1/133603—Direct backlight with LEDs
    • 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
    • G02F1/133605—Direct backlight including specially adapted reflectors
    • 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
    • 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
    • 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
    • G02F1/1347—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells
    • 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
    • G09G3/3406—Control of illumination source
    • 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

Abstract

The invention discloses a novel multilayer transparent screen and a control system thereof, and relates to the technical field of electronic screens. The light source subassembly sets up in transparent screen bottom, and the light source subassembly includes: a plurality of light sources for providing point light sources for the transparent screen; the light source processing film is arranged above the light source and used for converting a point light source emitted by the light source into a surface light source; the first polaroid is arranged above the light source processing film, and the surface light source forms polarized light through the first polaroid; the inner screen is arranged above the light source component and is used as a first display screen of the multilayer transparent screen; the outer screen is arranged above the inner screen, a second polaroid is arranged on one side, away from the light source assembly, of the outer screen, and the outer screen serves as a second display screen of the multilayer transparent screen. Has the following beneficial effects: this novel transparent screen of multilayer changes the light source through the polaroid, realizes showing more clearly, luminance is brighter, colour fidelity, shows rich and varied content simultaneously.

Description

Novel multilayer transparent screen and control system thereof
Technical Field
The invention relates to an electronic screen, in particular to a novel multilayer transparent screen and a control system thereof.
Background
Most of the existing transparent screens are single-layer LCDs or transparent OLEDs, which are placed in front of a lamp box or a show window and utilize a light source behind the transparent screens or a self-luminous light source. There is a simple multi-layer transparent screen on the market, which is mainly composed of a transparent LCD placed in front of another LCD screen and a box structure with an embedded light source. However, the multi-layer transparent screen is limited by the LCD display principle, the display color of the side screen changes, and the light emitted from the rear screen passes through the combination of the polarizer, the glass, the liquid crystal material, the glass and the polarizer of the outer screen, and is refracted and reflected for many times, and the aperture ratio of the liquid crystal screen itself is not ideal, resulting in an unsatisfactory display effect. Therefore, a transparent screen which can be directly stacked to form a plurality of layers, can realize clear display, bright brightness and color fidelity and simultaneously has rich and colorful display contents is needed.
Disclosure of Invention
In order to solve the above problems, the present invention provides a novel multilayer transparent screen, including:
the light source subassembly set up in transparent screen bottom, the light source subassembly includes:
a plurality of light sources for providing point light sources for the transparent screen;
the light source processing film is arranged above the light source and used for converting the point light source emitted by the light source into a surface light source;
the first polaroid is arranged above the light source processing film, and the surface light source forms polarized light through the first polaroid;
the inner layer screen is arranged above the light source component and is used as a first display screen of the multilayer transparent screen;
the outer screen, set up in inlayer screen top, and in outer screen is kept away from light source subassembly one side is equipped with a second polaroid, outer screen conduct the second display screen of the transparent screen of multilayer.
Preferably, the touch screen is arranged above the second polarizer, and a user can perform human-computer interaction with the transparent screen through the touch screen.
Preferably, the light source processing film is a reflective film.
Preferably, the light source processing film is a diffusion film.
Preferably, the light source is an LED light source.
Preferably, the inner screen is a transparent screen integrated with a first display unit.
Preferably, the outer screen is a transparent screen integrated with a second display unit.
A control system of a novel multilayer transparent screen is applied to the novel multilayer transparent screen, a first display unit is integrated on each inner screen of the novel multilayer transparent screen, and a second display unit is integrated on each outer screen;
the control system specifically includes:
the display controller is respectively connected with the first display unit and the second display unit and is used for controlling the first display unit and the second display unit to display contents according to an external operation control instruction, and generating and outputting a corresponding light source control instruction;
and the light source controller is respectively connected with the display controller and each light source and is used for driving each light source to carry out corresponding state change according to the light source control instruction.
Preferably, the display controller sends the light source control instruction to the light source controller through a USB interface or a UART interface.
Preferably, the state change includes a brightness state change, and/or a color state change, and/or a switch state change of each of the light sources.
Has the following beneficial effects:
this novel transparent screen of multilayer changes the light source through the polaroid, realizes showing more clearly, luminance is brighter, colour fidelity, shows rich and varied content simultaneously.
Drawings
FIG. 1 is a schematic structural diagram of a novel multi-layer transparent screen according to a preferred embodiment of the present invention;
FIG. 2 is a schematic view of a light source module according to a preferred embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a light source control system according to a preferred embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The invention is further described with reference to the following drawings and specific examples, which are not intended to be limiting.
In order to solve the above problems, the present invention provides a novel multilayer transparent screen, as shown in fig. 1 to 2, including:
light source subassembly 10 sets up in the transparent screen bottom, and light source subassembly 10 includes:
a plurality of light sources 1 for providing point light sources for the transparent screen;
the light source processing film 2 is arranged above the light source 1 and used for converting a point light source emitted by the light source 1 into a surface light source;
the first polaroid 3 is arranged above the light source processing film 2, and the surface light source forms polarized light through the first polaroid 3;
at least one inner screen 4 disposed above the light source assembly 10 and used as a first display screen of the multi-layer transparent screen;
outer screen 5 sets up in the 4 tops of inlayer screen, and keeps away from light source subassembly 10 one side in outer screen 5 and is equipped with a second polaroid 6, and outer screen 5 is as the second display screen of the transparent screen of multilayer.
Specifically, in the present embodiment, the light source 1 is disposed at the bottom of the transparent screen and provides a light source for the whole transparent screen, and preferably, the light source is an LED lamp; a light source processing film 2 is arranged on a light source 1, the light source processing film 2 converts a point light source into a surface light source, a first polaroid 3 is arranged above the light source processing film 2, and the first polaroid 3 polarizes the light source 1 through the light source processing film 2 to generate polarized light. The first polaroid 3 is provided with a plurality of inner layer screens 4, the inner layer screens are first display screens for displaying contents, the multilayer inner layer screens are displayed in an overlapping mode to enable the color or action effect to be better, and the multilayer inner layer screens 4 can be arranged according to the actual display contents and effect requirements; establish an outer screen 5 in the 4 tops of inlayer screen, keep away from light source 1 one side at outer screen 5 and set up second polaroid 6, the light source reaches the display effect more clear, luminance is brighter and the color is more fidelity through second polaroid 6 again.
As a preferred embodiment of the present invention, the whole transparent screen is disposed in a box 8, and the control device 81 and the power supply device 82 are disposed at the bottom of the box 8, respectively, wherein the control device 81 includes the display controller 13 and the light source controller 14; the power supply device 82 is respectively connected with the control device 81, the light source assembly 10, the inner screen 4 and the outer screen 5 and provides power for the control device 81, the light source assembly 10, the inner screen 4 and the outer screen 5; the light source assembly 10 is arranged above the control device 81 and the power supply device 82 and provides a controllable light source, one or more layers of inner screens 4 are arranged above the light source assembly 10, the outer screens 5 are arranged above the inner screens 4, and the final display effect is generated by overlapping the inner screens 4 and the outer screens 5; and a touch screen 7 is arranged on the outer layer screen 5, and man-machine interaction is realized through the touch screen 7.
As another preferred embodiment of the invention, when the inner screen is LCD, the interference of the front and rear LCD visual effects is improved by adjusting the polarization direction of the front and rear polarizers of each layer of LCD. For example, when the inner panel 4 is a single layer, the polarizer on the side of the inner panel 4 close to the outer panel 5 needs to be peeled off, the polarizer on the side of the outer panel 5 close to the light source 1 needs to be peeled off, and the liquid crystals of the inner panel 4 and the outer panel 5 must have the same orientation; when the inner screen 4 has more than one layer, the added inner screen 4 between the lowest inner screen and the outer screen, i.e. the middle layer, needs to completely strip the polaroid of the middle layer LCD or directly adopt the LCD which leaves the factory, i.e. has no polaroid.
In the preferred embodiment of the present invention, the display device further comprises a touch screen 7 disposed above the second polarizer 6, and a user performs a human-computer interaction with the transparent screen through the touch screen 7.
In the preferred embodiment of the present invention, the light source processing film 2 is a reflective film.
In a preferred embodiment of the present invention, the light source processing film 2 is a diffusion film.
In the preferred embodiment of the present invention, the light source 1 is an LED light source.
In the preferred embodiment of the present invention, the inner panel 4 is a transparent panel integrated with a first display unit.
In the preferred embodiment of the present invention, the outer screen 5 is a transparent screen integrated with a second display unit.
A control system of a novel multilayer transparent screen is applied to the novel multilayer transparent screen, as shown in figure 3, a first display unit 11 is integrated on each inner layer screen of the novel multilayer transparent screen, and a second display unit 12 is integrated on each outer layer screen;
the control system specifically includes:
the display controller 13 is respectively connected with the first display unit 11 and the second display unit 12, and is used for controlling the first display unit 11 and the second display unit 12 to display contents according to an external operation control instruction, and generating and outputting a corresponding light source control instruction;
and the light source controller 14 is respectively connected with the display controller 13 and each light source 1 and is used for driving each light source 1 to perform corresponding state change according to the light source control instruction.
Specifically, in this embodiment, the display controller 13 receives an external operation control instruction to control the first display unit 11 and the second display unit 12 to display content and generate a light source control instruction to the light source controller 14, preferably, the display controller 13 sends the light source control instruction to the light source controller 14 through a USB interface or a UART interface, the light source controller 14 controls each light source 1 through a PWM signal, so as to achieve different display effects through controlling the color, the brightness, and the on-off of each light source 1, and each light source 1 may also perform color mixing by cooperating with the first display unit and/or the second display unit, thereby generating an effect of rapid color change.
In the preferred embodiment of the present invention, the display controller 13 sends the light source control command to the light source controller 14 through the USB interface or the UART interface.
In a preferred embodiment of the invention, the state change comprises a change in the brightness state, and/or a change in the color state, and/or a change in the switching state of the respective light source 1.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.

Claims (10)

1. A novel multi-layer transparent screen, comprising:
the light source subassembly set up in transparent screen bottom, the light source subassembly includes:
a plurality of light sources for providing point light sources for the transparent screen;
the light source processing film is arranged above the light source and used for converting the point light source emitted by the light source into a surface light source;
the first polaroid is arranged above the light source processing film, and the surface light source forms polarized light through the first polaroid;
the inner layer screen is arranged above the light source component and is used as a first display screen of the multilayer transparent screen;
the outer screen, set up in inlayer screen top, and in outer screen is kept away from light source subassembly one side is equipped with a second polaroid, outer screen conduct the second display screen of the transparent screen of multilayer.
2. The novel multilayer transparent screen of claim 1, further comprising a touch screen disposed above the second polarizer, wherein a user can interact with the transparent screen through the touch screen.
3. The novel multilayer transparent screen of claim 1, wherein the light source treatment film is a reflective film.
4. The novel multilayer transparent screen of claim 1, wherein the light source treatment film is a diffuser film.
5. The novel multilayer transparent screen of claim 1, wherein the light source is an LED light source.
6. The novel multilayer transparent screen of claim 1, wherein the inner screen is a transparent screen integrated with a first display unit.
7. The novel multilayer transparent screen of claim 1, wherein the outer screen is a transparent screen integrated with a second display unit.
8. A control system of a novel multilayer transparent screen is applied to the novel multilayer transparent screen as claimed in any one of claims 1 to 7, wherein a first display unit is integrated on each inner layer screen of the novel multilayer transparent screen, and a second display unit is integrated on the outer layer screen;
the control system specifically includes:
the display controller is respectively connected with the first display unit and the second display unit and is used for controlling the first display unit and the second display unit to display contents according to an external operation control instruction, and generating and outputting a corresponding light source control instruction;
and the light source controller is respectively connected with the display controller and each light source and is used for driving each light source to carry out corresponding state change according to the light source control instruction.
9. The control system of the novel multilayer transparent screen as claimed in claim 8, wherein the display controller sends the light source control command to the light source controller through a USB interface or a UART interface.
10. The control system of the novel multilayer transparent screen of claim 8, wherein the state change comprises a brightness state change, and/or a color state change, and/or a switch state change of each of the light sources.
CN201911222238.8A 2019-12-03 2019-12-03 Novel multilayer transparent screen and control system thereof Pending CN110750014A (en)

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Application Number Priority Date Filing Date Title
CN201911222238.8A CN110750014A (en) 2019-12-03 2019-12-03 Novel multilayer transparent screen and control system thereof

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* Cited by examiner, † Cited by third party
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CN1678942A (en) * 2002-07-15 2005-10-05 普尔·代普斯有限公司 Improved multilayer video screen
CN101405645A (en) * 2006-05-31 2009-04-08 夏普株式会社 Display system
CN101126858A (en) * 2006-08-18 2008-02-20 群康科技(深圳)有限公司 Liquid crystal display
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Application publication date: 20200204