CN114220357A - LED display screen, display and control method - Google Patents
LED display screen, display and control method Download PDFInfo
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- CN114220357A CN114220357A CN202210127171.5A CN202210127171A CN114220357A CN 114220357 A CN114220357 A CN 114220357A CN 202210127171 A CN202210127171 A CN 202210127171A CN 114220357 A CN114220357 A CN 114220357A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
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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
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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
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
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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
- G09G3/03—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes specially adapted for displays having non-planar surfaces, e.g. curved displays
- G09G3/035—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes specially adapted for displays having non-planar surfaces, e.g. curved displays for flexible display surfaces
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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
- G09G3/22—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 using controlled light sources
- G09G3/30—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 using controlled light sources using electroluminescent panels
- G09G3/32—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
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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
- G09G2380/00—Specific applications
- G09G2380/02—Flexible displays
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optics & Photonics (AREA)
- Computer Hardware Design (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Liquid Crystal (AREA)
Abstract
The invention relates to the technical field of display screens, and discloses an LED display screen, a display and a control method, wherein the LED display screen comprises an LED display film and a liquid crystal dimming film; the LED display film, the demonstration side of LED display film is provided with the lamp pearl, takes place the light source through the lamp pearl and shows, and wherein the lamp pearl is for not having the frame shielding. And the liquid crystal dimming film is arranged on the display side of the LED display film. When the LED display film is closed and the liquid crystal dimming film is opened, the LED display screen is in a perspective state; when the LED display film and the liquid crystal dimming film are both in a closed state, the LED display screen is in a screen state; when the LED display film and the liquid crystal dimming film are both opened, the LED display screen is in a mode drawing state; when the LED display film is opened, the liquid crystal dimming film is closed, the weak light crosstalk part is subjected to extinction through the liquid crystal dimming film, and the LED display screen is in a high-resolution state at the moment. The LED display film is matched with the liquid crystal dimming film, so that the multi-type display can be realized.
Description
Technical Field
The invention relates to the technical field of display screens, in particular to an LED display screen, a display and a control method.
Background
With the development of LED display screens towards high resolution, even 5G or 6G technologies with high transmission speed are carried, the LED display screens are applied to 8K resolution, the pursuit is that the space between lamp beads is reduced and the resolution is improved, but the problem of crosstalk is easily caused because all the lamp beads with the side length smaller than 1.5mm are not shielded by lamp bead outer frames at present. The existing lamp bead is not shielded by an outer frame; the lighting effect of the transparent LED display film can be realized. If no external light shielding of the lamp beads exists, no matter the size difference of the lamp beads, the transverse light crosstalk of each lamp bead and the line reflection under the screen can be generated, so that the problems of reduction of image fineness, blurry edges, no sharpness, color distortion, over-low saturation, insufficient resolution and the like can be caused.
Disclosure of Invention
In order to solve the technical problem, the invention provides an LED display screen, which comprises an LED display film and a liquid crystal dimming film;
the LED display film is characterized in that a lamp bead is arranged on the display side of the LED display film and displays through a lamp bead generation light source, wherein the lamp bead is shielded without an outer frame;
a liquid crystal dimming film provided on a display side of the LED display film;
when the LED display film is closed and the liquid crystal dimming film is opened, the LED display screen is in a perspective state; when the LED display film and the liquid crystal dimming film are both in a closed state, the LED display screen is in a screen state; when the LED display film and the liquid crystal dimming film are both opened, the LED display screen is in a mode drawing state; when the LED display film is opened, the liquid crystal dimming film is closed, the weak light crosstalk part is subjected to extinction through the liquid crystal dimming film, and the LED display screen is in a high-resolution state at the moment.
Preferably: the LED display film includes:
a flexible transparent substrate forming a support body;
the grid substrate is a flexible grid-shaped thin-layer metal structure and is used for forming a conductive structure;
the lamp bead array is fixedly arranged on the flexible transparent substrate, is connected with the grid substrate and is used for generating a light source to display.
Preferably: the grid substrate is made of gold, silver, copper, stainless steel or alloy materials thereof.
Preferably: the grid substrate is copper.
Preferably: the grid line width of the grid substrate is between 1um and 5 mm; the thickness is between 0.1um and 300 um; the grid line spacing is between 1um to 10 mm.
Preferably: the grid line width of the grid substrate is between 5um and 1.5 mm; the thickness of the grid lines is between 1um and 200 um; the grid line spacing is preferably 3-1 mm.
Preferably: the flexible transparent substrate is flexible glass or a flexible transparent substrate; the flexible transparent substrate is one or a mixture of more of PA, PET, PEEK, CPI, PEI, PEN, PMMA, COC, COP, PC, LSR, FEP, SMMA, GPPS, PETG or PPSU.
Preferably: and the edge parts of the LED display film and the liquid crystal dimming film are provided with coating edges.
The invention also provides an LED display, which comprises a control panel and the LED display screen;
the control panel is connected with the LED display film and the liquid crystal dimming film and is used for controlling the lamp beads to display.
The invention also provides an LED display control method, which is applied to the LED display and comprises the following steps:
s1, acquiring a display type;
s2, searching a preset type-on-off state according to the display type, thereby obtaining the on-off state of the LED display film and the liquid crystal dimming film;
s3, controlling the on-off of the LED display film and the liquid crystal dimming film according to the on-off states of the LED display film and the liquid crystal dimming film;
s4, when the LED display film is in an open state, acquiring display information;
and S5, displaying the picture by the LED display film according to the display information.
The invention has the technical effects and advantages that: the LED display film is matched with the liquid crystal dimming film, high resolution can be maintained, and the double-sided and single-sided display controllability is achieved. And the transparency/opacity can be regulated and controlled at any time. The design concepts of the LED display film and the liquid crystal dimming film are combined, the problem of light crosstalk when the LED display screen displays is solved, high resolution is maintained, and the LED display screen has the controllable capacity of double-sided and single-sided display and even has the effect similar to a paper screen; even in combination with a transparent substrate, can possess the advantages of both flexibility and transparency.
Drawings
Fig. 1 is a perspective structural schematic diagram of an LED display screen according to the present invention.
Fig. 2 is a schematic view of a screen state structure of an LED display screen according to the present invention.
Fig. 3 is a schematic diagram of a drawing mode state structure of an LED display screen according to the present invention.
Fig. 4 is a schematic diagram of a high-resolution state structure of an LED display screen according to the present invention.
Fig. 5 is a schematic perspective view of an LED display according to the present invention.
Fig. 6 is a flowchart of an LED display control method according to the present invention.
Description of reference numerals: LED shows membrane 1, liquid crystal membrane 2 of adjusting luminance, lamp pearl 3, control panel 4, connecting wire 5.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Example 1
Referring to fig. 1, the present embodiment proposes an LED display panel including an LED display film 1 and a liquid crystal dimming film 2.
LED shows membrane 1, and the demonstration side that LED shows membrane 1 is provided with lamp pearl 3, takes place the light source through lamp pearl 3 and shows, and wherein lamp pearl 3 is for not having the frame shielding. The LED display film 1 may include a flexible transparent substrate forming a support body, has a certain flexibility, and can be rolled and folded. The flexible transparent substrate can be flexible glass or a flexible transparent base material, and certain light transmittance and flexibility are guaranteed. The flexible transparent substrate can be one or more of PA, PET, PEEK, CPI, PEI, PEN, PMMA, COC, COP, PC, LSR, FEP, SMMA, GPPS, PETG or PPSU, but not limited thereto. Thereby ensuring the light transmittance and flexibility of the flexible transparent substrate. The grid substrate is a flexible grid-shaped thin-layer metal structure and is used for forming a conductive structure. The grid substrate may be gold, silver, copper, stainless steel, etc. or alloys thereof, wherein copper is preferred but not limited thereto. Wherein, the width of the grid line is between 1um and 5 mm; preferably, but not limited to, between 5um and 1.5 mm. The thickness of the grid lines is between 0.1um and 300 um; preferably, the concentration is between 1um and 200um, but not limited thereto. The grid line spacing is between 1um to 10mm, preferably between 3-1mm, but not limited thereto. The 3 arrays of fixed settings of lamp pearl are on flexible transparent substrate to be connected with the net base plate, thereby take place the light source and show. The lamp bead 3 may comprise R, G, B so that the three primary colors form the smallest unit of a display. The material of the lamp bead 3 includes red, green and blue inorganic luminescent materials, which can be gallium arsenide, gallium phosphide and gallium nitride or their doped compounds and mixtures, respectively, wherein the inorganic luminescent materials are manufactured by sputtering or evaporation method and co-doped, but not limited thereto.
The liquid crystal dimming film 2 is provided on the display side of the LED display film 1 and processes light. Liquid crystal membrane 2 can show 1 laminating setting of membrane with the LED and also can show the clearance between the membrane 1 with the LED, LED shows that membrane 1 and 2 limit portions of liquid crystal membrane can be provided with the cladding limit, the cladding limit is used for linking LED display membrane 1 and liquid crystal membrane 2 into an organic whole, make LED display membrane 1 and liquid crystal membrane 2 avoid the dislocation to cause and show improper and separation, simultaneously, avoided debris to enter into and LED to show between membrane 1 and the liquid crystal membrane 2 and cause the pollution. The wrapping edge may be a metal wrapping edge, a plastic wrapping edge, or the like, and particularly, one of PA, PET, PEEK, CPI, PEI, PEN, PMMA, COC, COP, PC, LSR, FEP, SMMA, GPPS, PETG, or PPSU is used as an optimum, and has certain flexibility and perspective, which are not described herein in detail. When the LED display film 11 is turned off and the liquid crystal dimming film 2 is turned on, the human eye observes the viewing angle from the LED display screen. As shown in FIG. 1, the scenery behind the LED display screen can be seen, and the LED display screen is in a perspective state and can be used as a cloth curtain. When both the LED display film 1 and the liquid crystal dimming film 2 are in the off state, the viewing angle of the human eye is viewed from the display side of the LED display screen. As shown in FIG. 2, the scenery behind the LED display screen cannot be seen, and the LED display screen is in a screen state and can be used as a screen, a partition and the like. When the LED display film 1 and the liquid crystal dimming film 2 are both opened, the human eye observation visual angle is observed from the display side of the LED display screen. As shown in fig. 3, because the lamp beads 3 are not shielded by the outer frame, they are likely to cross each other, which results in blurred display image edges, and the LED display screen is in a mode state, which can make the image blurred and embody hazy beauty. When the LED display film 1 is turned on, the liquid crystal dimming film 2 is turned off, as shown in fig. 4, because the lamp beads 3 are not shielded by the outer frame, they are likely to cross each other, resulting in blurred image edges. However, the weak light crosstalk part can be extinguished through the liquid crystal dimming film 2, the scattered light caused by the light crosstalk is reduced, the LED display screen is in a high-resolution state at the moment, the high resolution is maintained, and the double-sided and single-sided display controllability is achieved. And the transparency/opacity can be regulated and controlled at any time. By combining the design concepts of the LED display film 1 and the liquid crystal dimming film 2, the problem of light crosstalk when the LED display screen displays is solved, high resolution is maintained, and the LED display screen has the controllable double-sided and single-sided display capability and even has the effect similar to a paper screen; even in combination with a transparent substrate, can possess the advantages of both flexibility and transparency.
Example 2
Referring to fig. 5, the present invention further provides an LED display, which includes a control board 4 and the above-mentioned LED display screen; control panel 4 can be connected with lamp pearl 3 for control lamp pearl 3 show, control panel 4 can set up the side at the LED display screen, and with the net base plate connection, do not specifically do here and describe repeatedly, control panel 4 is connected with connecting wire 5, can connect power or battery etc. through connecting wire 5. Control panel 4 is connected with LED display film 1, 2 electricity of liquid crystal membrane of adjusting luminance, and LED display film 1 and lamp pearl 3 are prior art, specifically do not do here and describe repeatedly. The control center is connected with the control panel 4 and used for inputting display signals. The control center can be controlled by a key or a computer, can perform fixed display and input control, and can connect the connecting wire 5 with the control center so as to perform power supply and signal input, which is not described herein in detail.
Example 3
Referring to fig. 6, the present embodiment proposes an LED display control method, including the following steps:
s1, acquiring a display type;
s2, searching a preset type-on-off state according to the display type, thereby obtaining the on-off state of the LED display film 1 and the liquid crystal dimming film 2;
s3, controlling the on-off of the LED display film 1 and the liquid crystal dimming film 2 according to the on-off states of the LED display film 1 and the liquid crystal dimming film 2;
s4, when the LED display film 1 is in an open state, acquiring display information;
s5, the LED display film 1 displays a screen based on the display information.
It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by one of ordinary skill in the art and related arts based on the embodiments of the present invention without any creative effort, shall fall within the protection scope of the present invention. Structures, devices, and methods of operation not specifically described or illustrated herein are generally practiced in the art without specific recitation or limitation.
Claims (10)
1. The LED display screen is characterized by comprising an LED display film and a liquid crystal dimming film;
the LED display film is characterized in that a lamp bead is arranged on the display side of the LED display film and displays through a lamp bead generation light source, wherein the lamp bead is shielded without an outer frame;
a liquid crystal dimming film provided on a display side of the LED display film;
when the LED display film is closed and the liquid crystal dimming film is opened, the LED display screen is in a perspective state; when the LED display film and the liquid crystal dimming film are both in a closed state, the LED display screen is in a screen state; when the LED display film and the liquid crystal dimming film are both opened, the LED display screen is in a mode drawing state; when the LED display film is opened, the liquid crystal dimming film is closed, the weak light crosstalk part is subjected to extinction through the liquid crystal dimming film, and the LED display screen is in a high-resolution state at the moment.
2. The LED display screen of claim 1, wherein the LED display film comprises:
a flexible transparent substrate forming a support body;
the grid substrate is a flexible grid-shaped thin-layer metal structure and is used for forming a conductive structure;
the lamp bead array is fixedly arranged on the flexible transparent substrate and is connected with the grid substrate.
3. The LED display screen of claim 2, wherein the grid substrate is gold, silver, copper, stainless steel or alloy thereof.
4. The LED display screen of claim 2, wherein the grid substrate is copper.
5. The LED display screen of claim 2, wherein the grid substrate has a grid line width between 1um and 5 mm; the thickness is between 0.1um and 300 um; the grid line spacing is between 1um to 10 mm.
6. The LED display screen of claim 2, wherein the grid substrate has a grid line width between 5um and 1.5 mm; the thickness of the grid lines is between 1um and 200 um; the grid line spacing is preferably 3-1 mm.
7. The LED display screen of claim 2, wherein the flexible transparent substrate is flexible glass or a flexible transparent substrate; the flexible transparent substrate is one or a mixture of more of PA, PET, PEEK, CPI, PEI, PEN, PMMA, COC, COP, PC, LSR, FEP, SMMA, GPPS, PETG or PPSU.
8. The LED display screen of claim 1, wherein the LED display film and the liquid crystal dimming film are provided with a wrapping edge at the edge.
9. An LED display, comprising a control board and the LED display screen of any one of claims 1-8;
the control panel is connected with the LED display film and the liquid crystal dimming film and is used for controlling the lamp beads to display.
10. An LED display control method, applying the LED display of claim 9, wherein the LED display control method comprises the following steps:
s1, acquiring a display type;
s2, searching a preset type-on-off state according to the display type to obtain the on-off state of the LED display film and the liquid crystal dimming film;
s3, controlling the on-off of the LED display film and the liquid crystal dimming film according to the on-off states of the LED display film and the liquid crystal dimming film;
s4, when the LED display film is in an open state, acquiring display information;
and S5, displaying the picture by the LED display film according to the display information.
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| CN202210127171.5A CN114220357B (en) | 2022-02-10 | 2022-02-10 | LED display screen, display and control method |
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