CN113450669B - Transparent mirror display device and implementation method thereof - Google Patents
Transparent mirror display device and implementation method thereof Download PDFInfo
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- CN113450669B CN113450669B CN202110785801.3A CN202110785801A CN113450669B CN 113450669 B CN113450669 B CN 113450669B CN 202110785801 A CN202110785801 A CN 202110785801A CN 113450669 B CN113450669 B CN 113450669B
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- 238000005516 engineering process Methods 0.000 claims description 4
- 238000001755 magnetron sputter deposition Methods 0.000 claims description 4
- 239000010410 layer Substances 0.000 description 41
- 239000005264 High molar mass liquid crystal Substances 0.000 description 9
- 230000005684 electric field Effects 0.000 description 7
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- 238000004146 energy storage Methods 0.000 description 4
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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
- 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
- G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal cells
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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
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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
- G02F1/1334—Constructional arrangements; Manufacturing methods based on polymer dispersed liquid crystals, e.g. microencapsulated liquid crystals
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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
- G09G3/3406—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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- Crystallography & Structural Chemistry (AREA)
- Theoretical Computer Science (AREA)
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Abstract
The invention relates to a transparent mirror display device and a realization method thereof, wherein the device comprises: mirror glass, a transparent display screen, a dimming layer, a display driving module, a dimming control module and a main control module; one side of the mirror glass is completely laminated with one side of the transparent display screen through optical cement, and the other side of the transparent display screen is completely laminated with one side of the dimming layer through optical cement; the transparent display screen is connected with the display driving module, the dimming layer is connected with the dimming control module, and the display driving module and the dimming control module are both connected with the main control module; the main control module is used for controlling the on and off of the transparent display screen and content display through the display driving module, and is also used for controlling the on and off of the dimming layer through the dimming control module. The device can simultaneously support the display of four effects, namely a mirror surface state, a display screen state, a transparent display state and a transparent state.
Description
Technical Field
The invention relates to the field of mirror display, in particular to a transparent mirror display device and an implementation method thereof.
Background
The mirror surface display is a mature technology at present, and the application is wide, such as an intelligent magic mirror. A layer of uniform coating is formed on the surface of the glass by a vacuum magnetron sputtering technology, so that the transmission and mirror reflection effects are realized, and the mirror glass is combined with a display screen to form the mirror effect when the display screen is closed (or the area is not lightened) and is used as a mirror; when the display screen is turned on (or the area is lightened), a clear picture image is transmitted out to be used as the display screen.
Some applications hope to present more effects, like supporting mirror, display screen, transparent display and transparent effect simultaneously, because current mirror surface display adopts the technique that mirror surface glass and LCD combine, can't realize transparent display and transparent effect, adopt mirror surface glass and transparent display screen, like WOLED transparent display (patent 2020107415311), can realize transparent display and transparent effect, but the effect of mirror is not good, has perspective effect simultaneously under the mirror surface state, influences the mirror effect.
Disclosure of Invention
The invention aims to provide a transparent mirror display device and an implementation method thereof, wherein the device can simultaneously support four effects of a mirror state, a display screen state, a transparent display state and a transparent state for display.
In order to achieve the purpose, the invention provides the following scheme:
a transparent mirror display device comprising: mirror glass, a transparent display screen, a dimming layer, a display driving module, a dimming control module and a main control module;
one surface of the mirror glass is fully laminated with one surface of the transparent display screen through optical cement, and the other surface of the transparent display screen is fully laminated with one surface of the dimming layer through optical cement;
the transparent display screen is connected with the display driving module, the dimming layer is connected with the dimming control module, and the display driving module and the dimming control module are both connected with the main control module; the master control module is used for controlling the on/off and content display of the transparent display screen through the display driving module, and the master control module is also used for controlling the on/off of the dimming layer through the dimming control module.
Optionally, the dimming layer is a dimming film or dimming glass.
Optionally, the mirror glass is coated with a uniform coating by a vacuum magnetron sputtering technique, and the coating is used for enabling the mirror glass to have mirror reflection and transmission effects.
Optionally, the inverse transmittance ratio of the mirror glass is 3:7 to 4: 6.
Optionally, the transparent display screen is a transparent WOLED screen, a transparent OLED screen, or a transparent LED screen.
Optionally, the light transmittance of the dimming layer in a transparent state is greater than 80%, and the haze is less than 5%; the light transmittance of the light adjusting layer in an opaque state is less than 15%, and the haze is more than 90%.
Optionally, the refractive index of the optical cement is between 1.4 and 1.6.
Optionally, the overall light transmittance of the transparent mirror display device is 13%.
Optionally, the method further includes: and the power supply module is connected with the main control module and the dimming control module and used for supplying power to the main control module and the dimming control module.
A method for realizing a transparent mirror display device comprises the following steps:
acquiring a display state set by the transparent mirror display device, wherein the display state comprises a mirror state, a display screen state, a transparent display state and a transparent state;
if the mirror surface state is achieved, the main control module closes the transparent display screen, and the dimming layer is set to be opaque;
if the display screen state is achieved, the main control module opens the transparent display screen and sets the dimming layer to be opaque;
if the display state is a transparent display state, the main control module opens the transparent display screen and sets the dimming layer to be transparent;
if the display screen is in a transparent state, the main control module closes the transparent display screen and sets the dimming layer to be transparent.
According to the specific embodiment provided by the invention, the invention discloses the following technical effects:
the invention controls the transparent display screen and the dimming layer through the main control module, and can simultaneously support the display of four effects, namely a mirror surface state, a display screen state, a transparent display state and a transparent state.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a schematic diagram of a hardware structure of a transparent mirror display device according to the present invention;
FIG. 2 is a schematic view of the overall structure of the transparent mirror display device according to the present invention;
FIG. 3 is a schematic view of a PDLC film provided by an embodiment of the present invention;
FIG. 4 is a schematic view of a PDLC glass provided by an embodiment of the present invention;
description of the symbols: 1-mirror glass, 2-first optical adhesive layer, 3-second optical adhesive layer, 4-transparent display screen, and 5-dimming layer.
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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
The invention aims to provide a transparent mirror display device and an implementation method thereof, wherein the device can simultaneously support four effects of a mirror state, a display screen state, a transparent display state and a transparent state for display.
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description thereof.
The hardware structure of the transparent mirror display device is shown in fig. 1, wherein 1 is mirror glass, 2 is a first optical adhesive layer, 3 is a second optical adhesive layer, 4 is a transparent display screen, and 5 is a dimming layer.
Wherein, one side of the mirror glass 1 adopts the vacuum magnetron sputtering technology to form a layer of uniform coating on the surface of the glass, and the coated glass (mirror glass) has the mirror reflection and transmission effects.
One surface of the mirror glass 1 with the coating is completely attached to one surface of the transparent display screen 4 through the first optical adhesive layer 2, and the other surface of the transparent display screen 4 is completely attached to one surface of the light adjusting layer 5 through the second optical adhesive layer 3.
The mirror glass 1, the transparent display screen 4 and the dimming layer 5 are compounded into a whole by adopting a full-lamination process. The non-coated side of the mirror glass 1 is the display interface of the transparent mirror display device of the present invention. The size of the mirror glass 1 is larger than the sizes of the transparent display screen 4 and the dimming layer 5; the display screen 4 and the dimming layer 5 are the same size.
The whole light transmittance of the transparent mirror display device is about 13%.
Specifically, the thickness of the mirror glass 1 is 3mm to 6mm, and the transmission inverse ratio is set to 3:7 to 4:6 to achieve an optimal balance of reflection and transmission.
The transparent display screen 4 is a transparent WOLED display screen, or a transparent OLED screen or a transparent LED screen, and the light transmittance of the transparent display screen is about 40%.
The light adjusting layer 5 is implemented by PDLC (polymer dispersed liquid crystal), and may be a light adjusting film as shown in fig. 3, or may be a light adjusting glass as shown in fig. 4; wherein, the light transmittance of the light adjusting layer 5 in a transparent state is more than 80%, and the haze is less than 5%; the light transmittance of the light adjusting layer 5 in an opaque state is less than 15%, and the haze is more than 90%.
The first optical adhesive 2 and the second optical adhesive 3 can be UV adhesive or OCA, or other similar optical adhesives can be used for full bonding; the refractive index of the first optical cement 2 and the second optical cement 3 is between 1.4 and 1.6 and is close to the refractive index of glass, so that the influence of a reflection interface on the display effect is reduced.
The overall structure of the transparent mirror display device is shown in fig. 2, and mainly includes a hardware portion and a control portion, the hardware portion is not repeated, wherein the control portion includes a display driving module, a dimming control module, a main control module and a power supply module. The display driving module is responsible for the display control of the transparent display screen 4. The dimming control module is responsible for the on-off control of the dimming layer 5. The main control module is used for controlling the on and off of the transparent display screen 4 and content display through the display driving module according to the state required to be displayed by the transparent mirror display device; and the dimming control module is also used for controlling the on/off of the dimming layer 5. The power module is used for supplying power for the main control module and the dimming control module.
The principle of the invention which can realize four display bases of mirror surface state, display screen state, transparent display state and transparent state is as follows:
the transparent display screen 4 is in a transparent state when not opened or the pixel points are not lightened, and the pixel lightening area can realize the display of a specific picture; the light control layer 5 is opaque when not energized and transparent when energized.
Since the light adjusting layer 5 (light adjusting film/light adjusting glass) is formed by filling the polymer liquid crystal material between two layers of PET films or glass, the inner sides of the two layers of PET films or glass are provided with electrodes, as shown in fig. 3 and 4.
The working principle is as follows:
1. when the light-adjusting film is powered off, the polymer liquid crystal materials in the light-adjusting film are arranged in disorder, so that light cannot penetrate through the film, and the effect is a milky opaque state.
2. When the light-regulating film is powered on, the polymer liquid crystal material in the middle of the film is orderly arranged under the action of an electric field, so that light can penetrate through the film, and the observed effect is a transparent and colorless film state.
Conversely, the light adjusting film may be set to be in a transparent state when no electric field is applied and to be in an opaque state when an electric field is applied. The opaque state when the electric field is applied can be realized by the following modes:
the polymer liquid crystal is in a disordered state when power is applied, and is in ordered arrangement when the power is not applied. The realization has two modes, one is to find a polymer liquid crystal material, the state of which is consistent with the state; firstly, set up an electric energy storage device (like super capacitor) in equipment, when external power source disconnection, exert an electric field for polymer liquid crystal through electric energy storage device, the polymer liquid crystal of dimming layer is in the orderly arrangement state, for transparent state, when external power source switch-on, the route that electric energy storage device gave polymer liquid crystal power supply is cut off, and polymer liquid crystal is in the non-state of adding power, and external power source gives electric energy storage device power supply (storage electric energy) simultaneously.
The control device controls the on and off states of the transparent display screen and the dimming film to realize the state switching of the device, if the transparent display screen is closed, the dimming film is not powered on, and the device is in a mirror state; the transparent display screen is opened, the dimming film is not electrified to be opened, and the device is in an opaque display state; the transparent screen is turned on, the dimming film is turned on by power up, and the device is in a transparent display state; the transparent screen is closed, the dimming film is powered on, and the device is in a transparent state.
The control process realizes automatic control through buttons, a remote controller and sensor detection, and is within a protection range. For example, a switch command is sent to the device through a switch button, a remote controller or a mobile phone APP on the device, and a human body induction sensor (such as a pyroelectric sensor, a TOF sensor, a dot-matrix thermal infrared sensor and the like) installed on the device detects that a human body approaches or leaves a set area through the sensor, and sends the switch command to the device. These commands are ultimately converted into control commands for the adjustment of the state of the dimming layer (with or without an applied electric field, or to control the strength of the electric field), and the control of the off and on states of the transparent display.
Specifically, the main control module in the invention specifically works as follows:
when the device needs to be set to be in a mirror state, the main control module closes the transparent display screen (the control principle is that the main control module sends a closing signal to the display driving module, the display driving module closes the transparent display screen according to the closing signal, the following principle is the same), the dimming layer is set to be opaque, and due to the shielding of the dimming layer, light on the back of the device cannot penetrate through the dimming layer to the mirror glass, so that the mirror glass is a mirror, only reflected light can be seen, and transmitted light cannot be seen.
When the device needs to be set to be in a display screen state (non-transparent display), the main control module opens the transparent display screen, the dimming layer is set to be opaque, light on the back of the device cannot penetrate through the dimming layer to the mirror glass due to shielding of the dimming layer, and therefore scenery on the back of the device cannot be seen through the mirror glass, but content displayed by the display screen can be seen through the mirror glass due to the fact that light of the transparent display screen can penetrate through the mirror glass.
When the device needs to be set to be in a transparent display state, the main control module opens the transparent display screen, the dimming layer is transparent, the mirror glass can be penetrated by light of the transparent display screen, so that the content displayed by the display screen can be seen through the mirror glass, meanwhile, the dimming layer is in a transparent state, the light on the back of the device can be penetrated through the mirror glass, and therefore the scenery on the back of the device and the content displayed by the display screen can be seen through the mirror glass.
When the device is required to be set to be in a transparent state, the main control module closes the transparent display screen, the dimming layer is set to be transparent, and the transparent display screen and the dimming layer are in transparent states, so that light on the back of the device can penetrate through the mirror glass, and a scene on the back of the device can be seen through the mirror glass.
In the present specification, the embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The principles and embodiments of the present invention have been described herein using specific examples, which are provided only to help understand the method and the core concept of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (4)
1. A transparent mirror display device, comprising: mirror glass, a transparent display screen, a dimming layer, a display driving module, a dimming control module and a main control module;
one side of the mirror glass is completely laminated with one side of the transparent display screen through optical cement, and the other side of the transparent display screen is completely laminated with one side of the dimming layer through optical cement;
the transparent display screen is connected with the display driving module, the dimming layer is connected with the dimming control module, and the display driving module and the dimming control module are both connected with the main control module; the main control module is used for controlling the on and off of the transparent display screen and content display through the display driving module, and is also used for controlling the on and off of the dimming layer through the dimming control module;
the mirror glass adopts a vacuum magnetron sputtering technology to form a uniform coating on the surface of the glass, and the coating is used for enabling the mirror glass to have mirror reflection and transmission effects;
the transparent display screen adopts a transparent WOLED screen or a transparent OLED screen or a transparent LED screen;
the inverse transmission ratio of the mirror glass is 3:7 to 4:6 or more;
the light transmittance of the dimming layer in a transparent state is more than 80%, and the haze is less than 5%; the light transmittance of the dimming layer in an opaque state is less than 15%, and the haze is greater than 90%;
the refractive index of the optical adhesive is between 1.4 and 1.6;
the overall light transmittance of the transparent mirror display device was 13%.
2. The transparent mirror display device according to claim 1, wherein the light control layer is a light control film or a light control glass.
3. The transparent mirror display device according to claim 1, further comprising: and the power module is connected with the master control module and the dimming control module and used for supplying power to the master control module and the dimming control module.
4. A method for implementing a transparent mirror display device, applied to the transparent mirror display device of any one of claims 1 to 3, comprising:
acquiring a display state set by the transparent mirror display device, wherein the display state comprises a mirror state, a display screen state, a transparent display state and a transparent state;
if the mirror surface state is achieved, the main control module closes the transparent display screen, and the dimming layer is set to be opaque;
if the display screen state is achieved, the main control module opens the transparent display screen and sets the dimming layer to be opaque;
if the display state is a transparent display state, the main control module opens the transparent display screen and sets the dimming layer to be transparent;
and if the display screen is in a transparent state, the main control module closes the transparent display screen and sets the dimming layer to be transparent.
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| JP4288494B2 (en) * | 2004-05-10 | 2009-07-01 | 船井電機株式会社 | Monitor device |
| CN202601133U (en) * | 2012-03-26 | 2012-12-12 | 上海摩奇贝斯展示设计营造有限公司 | Interactive display device |
| CN103676257B (en) * | 2014-01-03 | 2016-08-31 | 北京融汇科艺科技有限公司 | A kind of transparent liquid crystal display curtain of scalable transparency |
| CN205157923U (en) * | 2015-10-29 | 2016-04-13 | 南昌欧菲显示科技有限公司 | Intelligence mirror surface system |
| CN107424522A (en) * | 2017-08-15 | 2017-12-01 | 王晓剑 | A kind of mirror surface advertising machine |
| WO2020121779A1 (en) * | 2018-12-11 | 2020-06-18 | Ａｇｃ株式会社 | Transparent glass provided with transparent display |
| CN211087779U (en) * | 2020-03-17 | 2020-07-24 | 联想(北京)有限公司 | Display device and electronic equipment |
| CN111708215A (en) * | 2020-07-14 | 2020-09-25 | 京东方科技集团股份有限公司 | Mirror surface switching screen and display device |
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