CN108020941A - Transparent display screen and transparent display - Google Patents
Transparent display screen and transparent display Download PDFInfo
- Publication number
- CN108020941A CN108020941A CN201711408886.3A CN201711408886A CN108020941A CN 108020941 A CN108020941 A CN 108020941A CN 201711408886 A CN201711408886 A CN 201711408886A CN 108020941 A CN108020941 A CN 108020941A
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- transparent display
- transparent
- display screen
- light
- panel
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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
- G02F1/1313—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 specially adapted for a particular application
-
- 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
-
- 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
- G02F1/13318—Circuits comprising a photodetector
-
- 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
- G02F1/1343—Electrodes
- G02F1/13439—Electrodes characterised by their electrical, optical, physical properties; materials therefor; method of making
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/50—OLEDs integrated with light modulating elements, e.g. with electrochromic elements, photochromic elements or liquid crystal elements
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Electroluminescent Light Sources (AREA)
- Liquid Crystal (AREA)
Abstract
The invention discloses a kind of transparent display screen, including transparent display panel, the transparent display panel includes opposite display surface and the back side, wherein, the transparent display screen further includes transparent light control panel, the light control panel is located at the back side of the transparent display panel, include the optical media player that can change light penetration in the light control panel, for preventing external ambient light from the back surface incident to the transparent display panel, ambient light is avoided to penetrate the transparent display panel and projected from display surface, it is effectively improved the contrast of transparent display screen.The invention also discloses a kind of transparent display, it includes driving unit and transparent display screen as described above, and the driving unit provides drive signal to the transparent display screen, so that the transparent display screen shows image.
Description
Technical field
The present invention relates to display technology field, more particularly to a kind of transparent display screen, further relates to include the transparence display
The transparent display of screen.
Background technology
With the development of display technology, transparent display screen (Transparent Display) occurs as recent years
New application enjoy people to pay close attention to, the technology greatly expand display application scene and scope.Transparent display screen refers to show
Display screen has a degree of penetrability in itself, can clearly illustrate the background at panel rear.Transparent display screen is suitable for building
A variety of applications such as thing window, automotive window and shopper window are built, can also with future in addition to original transparence display function
Development potentiality of the energy as information display, thus enjoy market to pay close attention to.
A problem is existing for transparent display screen：External ambient light from the back surface incident of transparent display screen and can penetrate
Display surface is reached, when transparent display screen is showing image, if external environmental light is stronger, people can see at the same time on a display screen
To the image for needing image to be shown and the object of display screen back side transmission, two images overlap, and can cause contrast
Relatively low, display quality is bad.Therefore, how to improve the contrast of transparent display screen is problem to be solved in the industry.
The content of the invention
In view of the deficiencies in the prior art, the present invention provides a kind of transparent display screen, it can prevent external ambient light from wearing
Saturating transparent display screen, is effectively improved the contrast of transparent display screen.
To achieve these goals, present invention employs following technical solution：
A kind of transparent display screen, including transparent display panel, the transparent display panel include opposite display surface and the back of the body
Face, wherein, the transparent display screen further includes transparent light control panel, and the light control panel is located at the transparence display face
The back side of plate, includes the optical media player that can change light penetration in the light control panel, for preventing external rings
Border light is from the back surface incident to the transparent display panel.
Wherein, the light control panel is included according to the transparent lining set gradually towards the direction of the transparent display panel
Bottom, first transparency electrode, the optical media player and second transparency electrode, further include and the first transparency electrode and described
The control unit that two transparency electrodes are electrically connected；The optical media player is liquid crystal layer, and described control unit is to described first
Transparency electrode and the second transparency electrode apply voltage, to adjust the rotation status of liquid crystal in the optical media player,
So as to change the light penetration of the light control panel.
Wherein, the side of the direction transparent display panel of the light control panel is additionally provided with photo-sensitive cell, described
Photo-sensitive cell is electrically connected with described control unit, and the photo-sensitive cell is used to detect the light for obtaining and penetrating from the light control panel
The light intensity signal of line simultaneously feeds back to described control unit, and described control unit controls saturating to described first according to the light intensity signal
The voltage swing that prescribed electrode and the second transparency electrode apply, by light intensity signal control below default threshold value.
Wherein, the photo-sensitive cell is photoelectric sensor, and the quantity of the photo-sensitive cell is multiple, multiple photosensitive members
Part is arranged in matrix array.
Wherein, the material of the first transparency electrode and the second transparency electrode is ITO.
Wherein, the transparent substrates are flexible transparent substrates.
Wherein, the transparent display panel is transparent OLED display panel.
Wherein, the OLED display panel includes underlay substrate and the OLED display unit being formed on the underlay substrate
And thin-film encapsulation layer, the light control panel are fitted on the underlay substrate by optical cement.
Wherein, the underlay substrate is flexible underlay substrate.
Another aspect of the present invention is to provide a kind of transparent display, it includes driving unit and as described above transparent
Display screen, the driving unit provide drive signal to the transparent display screen, so that the transparent display screen shows image.
Transparent display screen provided in an embodiment of the present invention, transparent light control is set at the back side of transparent display panel
Plate, includes the optical media player that can change light penetration in the light control panel, for prevent external ambient light from
The back surface incident is to the transparent display panel, it is possible thereby to avoid ambient light from penetrating the transparent display panel and from display
Face is projected, and is effectively improved the contrast of transparent display screen.
Brief description of the drawings
Fig. 1 is the structure diagram of transparent display screen provided in an embodiment of the present invention；
Fig. 2 is the graphical representation of exemplary of the distributed architecture of photo-sensitive cell in the embodiment of the present invention；
Fig. 3 is the structure diagram of the OLED display unit in the embodiment of the present invention；
Fig. 4 is the structure diagram of display device provided in an embodiment of the present invention.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with the accompanying drawings to the specific reality of the present invention
The mode of applying is described in detail.The example of these preferred embodiments is illustrated in the accompanying drawings.Shown in attached drawing and according to
What the embodiments of the present invention of attached drawing description were merely exemplary, and the present invention is not limited to these embodiments.
Here, it should also be noted that, in order to avoid having obscured the present invention because of unnecessary details, in the accompanying drawings only
Show the structure and/or processing step closely related with scheme according to the present invention, and eliminate little with relation of the present invention
Other details.
A kind of transparent display screen is present embodiments provided, as shown in Figure 1, the transparent display screen is saturating including being oppositely arranged
Bright display panel 1 and transparent light control panel 2, the transparent display panel 1 include opposite display surface 1a and back side 1b, institute
State the back side 1b that light control panel 2 is located at the transparent display panel 1.Light can be changed by including in the light control panel 2
The optical media player 21 of line transmitance, it is used to prevent the back side 1b of external ambient light from the transparent display panel 1 from inciding
The transparent display panel 1.Wherein, the transparent display panel 1 can be with the transparent organic electroluminescent LED of selected as
(OLED) display panel or liquid crystal display panel (LCD).
In the present embodiment, as shown in Figure 1, the transparent display panel 1 and the light control panel 2 pass through optical cement 3
It is bonded to each other.
Specifically, refering to Fig. 1, the light control panel 2 include according to towards the direction of the transparent display panel 1 successively
Transparent substrates 22, first transparency electrode 23, the optical media player 21 and the second transparency electrode 24 of setting, further include with it is described
The control unit 25 that first transparency electrode 23 and the second transparency electrode 24 are electrically connected.Wherein, the optical media player
21 be liquid crystal layer, and described control unit 25 applies voltage to the first transparency electrode 23 and the second transparency electrode 24, with
The rotation status of liquid crystal in the optical media player 21 is adjusted, so as to change the light penetration of the light control panel 2, mainly
It is by reducing light penetration so that can not penetrate the optics from the external ambient light of 22 side of transparent substrates incidence
The light intensity very little that dielectric layer 21 can either penetrate, the result is that external ambient light can not penetrate the transparent display panel 1
Its display surface 1a is reached, so as to improve the contrast of transparent display screen.
Wherein it is possible to according to the intensity size of external ambient light, described control unit 25 is adjusted to the described first transparent electricity
The voltage swing (size of two electrode voltage differences) that pole 23 and the second transparency electrode 24 apply, to obtain suitable light
Transmitance.Specifically, when external ambient light is stronger (such as in outdoor environment), adjust so that the first transparency electrode 23
Larger with the voltage difference of the second transparency electrode 24, the deflection amplitude of liquid crystal molecule is big in liquid crystal layer, and corresponding light passes through
Rate very little, effectively prevents external ambient light from penetrating the light control panel 2.And when external ambient light is weaker (such as in room
In interior environment), adjust so that the voltage difference of the first transparency electrode 23 and the second transparency electrode 24 is smaller, in liquid crystal layer
The deflection amplitude of liquid crystal molecule is smaller, and corresponding light penetration is relatively slightly larger, but since external ambient light is weaker, at this time
It can effectively stop external ambient light and penetrate the light control panel 2.It should be noted that when external ambient light is weaker, when
Larger voltage difference can also so be applied and cause light penetration very little.
In the present embodiment, the material of the first transparency electrode 23 and the second transparency electrode 24 is tin indium oxide
(ITO).The transparent substrates 22 are flexible transparent substrates, and the flexible liner formed is e.g. prepared using polyimides (PI)
Bottom.
Further, in the present embodiment, as shown in Figure 1, the direction transparent display panel of the light control panel 2
1 side is additionally provided with photo-sensitive cell 26, and the photo-sensitive cell 26 is electrically connected with described control unit 25, the photo-sensitive cell 26
The light intensity signal of the light penetrated from the light control panel 2 is obtained for detecting and feeds back to described control unit 25, it is described
Control unit 25 controls what is applied to the first transparency electrode 23 and the second transparency electrode 24 according to the light intensity signal
Voltage swing, by light intensity signal control below default threshold value.Specifically, the photo-sensitive cell 26 is provided in institute
State on the surface of the direction transparent display panel 1 of second transparency electrode 24.
Wherein, the photo-sensitive cell 26 can be photoelectric sensor.By setting photo-sensitive cell 26, it is possible to achieve in real time certainly
The light penetration of the light control panel 2 is adjusted mainly.For example, be environment indoors at the beginning, external ambient light compared with
Weak, light penetration at this time is relatively large, but the light intensity signal of the light penetrated from the light control panel 2 is also without super
Threshold value is crossed, when the environment of outdoor is transferred under the light transmission condition, external ambient light is stronger, the light intensity that photo-sensitive cell 26 detects
Signal is more than threshold value and feeds back to described control unit 25, and then corresponding adjust automatically is applied to described first to described control unit 25
The voltage swing of transparency electrode 23 and the second transparency electrode 24, to reduce light penetration until photo-sensitive cell 26 detects
Light intensity signal be less than default threshold value.It is thus achieved that the light in real time, independently adjusting the light control panel 2 passes through
Rate, to be adapted to current use environment.
Further, in the present embodiment, as shown in Fig. 2, the quantity of the photo-sensitive cell 26 is multiple, multiple senses
Optical element 26 is arranged in the second transparency electrode 24 in matrix array.It should be noted that exemplarily only shown in Fig. 2
Several photo-sensitive cells 26.
In the present embodiment, the transparent display panel 1 is transparent OLED display panel.Specifically, as shown in Figure 1,
The OLED display panel 1 includes underlay substrate 11 and the OLED display unit 12 being formed on the underlay substrate 11 and film
Encapsulated layer (Thin Film Encapsulation, TFE) 13.The thin-film encapsulation layer 13 is close by the OLED display unit 12
Feud is encapsulated on the underlay substrate 11, to stop that water in external environment condition and Oxygen permeation are made to the OLED display unit 12
Into corrosion.In preferable scheme, the 11 selected as flexible base board of underlay substrate, is e.g. prepared using polyimides (PI)
The flexible base board of formation.The light control panel 2 is fitted on the underlay substrate 11 by optical cement 3.
Wherein, as shown in figure 3, the OLED display unit 12 includes being sequentially formed at film crystalline substance on the underlay substrate 11
Volume array layer 121, anode layer 122, organic luminous layer 123 and cathode layer 124 etc..Wherein, the thin film transistor array layer 121
In be provided with each layer such as thin film transistor (TFT), data cable and scan line.The organic luminous layer 123 then includes by organic
Material prepares the hole transport functional layer to be formed (Hole Transport Layer, HTL), luminous material layer (Emissive
Layer, EML) and electric transmission functional layer (Electron Transport Layer, ETL) etc..
Further, in the present embodiment, as shown in Figure 1, the OLED display panel 1 further includes touch screen (Touch
Panel, TP) 14 and polaroid 15, the touch screen 14 and the polaroid 15 be successively set in the thin-film encapsulation layer 13.
The present embodiment additionally provides a kind of transparent display, as shown in figure 4, the transparent display includes driving list
Member 200 and transparent display screen 100, the driving unit 200 provides drive signal to the transparent display screen 100, so that described
Transparent display screen 100 shows image.Wherein, the transparent display screen 100 employs the present invention and the transparent of example offer is performed as described above
Display screen.In addition, the drive signal that the driving unit 200 provides includes display drive signals, touch-control drive signal and use
In the control signal for controlling the light control panel 2.
In conclusion transparent display screen provided in an embodiment of the present invention and transparent display, in transparent display panel
The back side transparent light control panel is set, include the optical medium that can change light penetration in the light control panel
Layer, for preventing external ambient light from the back surface incident to the transparent display panel, it is possible thereby to avoid ambient light from penetrating
The transparent display panel is simultaneously projected from display surface, is effectively improved the contrast of transparent display.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Non-exclusive inclusion, so that process, method, article or equipment including a series of elements not only will including those
Element, but also including other elements that are not explicitly listed, or further include as this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Also there are other identical element in process, method, article or equipment including the key element.
The above is only the embodiment of the application, it is noted that for the ordinary skill people of the art
For member, on the premise of the application principle is not departed from, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as the protection domain of the application.
Claims (10)
1. a kind of transparent display screen, including transparent display panel, the transparent display panel includes opposite display surface and the back side,
It is characterized in that, the transparent display screen further includes transparent light control panel, the light control panel is positioned at described transparent aobvious
Show the back side of panel, include the optical media player that can change light penetration in the light control panel, it is outer for preventing
Portion's ambient light is from the back surface incident to the transparent display panel.
2. transparent display screen according to claim 1, it is characterised in that the light control panel is included according to described in
Transparent substrates, first transparency electrode, the optical media player and the second transparent electricity that the direction of transparent display panel is set gradually
Pole, further includes the control unit being electrically connected with the first transparency electrode and the second transparency electrode；The optics is situated between
Matter layer is liquid crystal layer, and described control unit applies voltage to the first transparency electrode and the second transparency electrode, to adjust
The rotation status of liquid crystal in the optical media player, so as to change the light penetration of the light control panel.
3. transparent display screen according to claim 2, it is characterised in that the direction of the light control panel is described transparent aobvious
Show that the side of panel is additionally provided with photo-sensitive cell, the photo-sensitive cell is electrically connected with described control unit, and the photo-sensitive cell is used
The light intensity signal of the light penetrated from the light control panel is obtained in detection and feeds back to described control unit, and the control is single
Member controls the voltage swing to the first transparency electrode and second transparency electrode application according to the light intensity signal, will
The light intensity signal control is below default threshold value.
4. transparent display screen according to claim 3, it is characterised in that the photo-sensitive cell is photoelectric sensor, described
The quantity of photo-sensitive cell is multiple, and multiple photo-sensitive cells are arranged in matrix array.
5. transparent display screen according to claim 2, it is characterised in that the first transparency electrode and described second transparent
The material of electrode is ITO.
6. transparent display screen according to claim 2, it is characterised in that the transparent substrates are flexible transparent substrates.
7. according to any transparent display screens of claim 1-6, it is characterised in that the transparent display panel is transparent
OLED display panel.
8. transparent display screen according to claim 7, it is characterised in that the OLED display panel include underlay substrate and
The OLED display unit and thin-film encapsulation layer being formed on the underlay substrate, the light control panel are fitted to by optical cement
On the underlay substrate.
9. transparent display screen according to claim 8, it is characterised in that the underlay substrate is flexible underlay substrate.
10. a kind of transparent display, it is characterised in that transparent including driving unit and as described in claim 1-9 is any
Display screen, the driving unit provide drive signal to the transparent display screen, so that the transparent display screen shows image.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711408886.3A CN108020941A (en) | 2017-12-22 | 2017-12-22 | Transparent display screen and transparent display |
| PCT/CN2018/072476 WO2019119573A1 (en) | 2017-12-22 | 2018-01-12 | Transparent display screen and transparent display apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711408886.3A CN108020941A (en) | 2017-12-22 | 2017-12-22 | Transparent display screen and transparent display |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108020941A true CN108020941A (en) | 2018-05-11 |
Family
ID=62074600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711408886.3A Pending CN108020941A (en) | 2017-12-22 | 2017-12-22 | Transparent display screen and transparent display |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN108020941A (en) |
| WO (1) | WO2019119573A1 (en) |
Cited By (6)
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| CN110456579A (en) * | 2019-08-06 | 2019-11-15 | Oppo广东移动通信有限公司 | Display module and electronic equipment |
| CN112394437A (en) * | 2019-08-13 | 2021-02-23 | 陕西坤同半导体科技有限公司 | Cover plate, display device and electronic equipment |
| WO2021042489A1 (en) * | 2019-09-05 | 2021-03-11 | 深圳市华星光电半导体显示技术有限公司 | Transparent display and method for enhancing display effect of real object |
| CN112859473A (en) * | 2021-03-17 | 2021-05-28 | 宁波伯宇科技有限公司 | Transparent display screen |
| CN112888201A (en) * | 2019-11-29 | 2021-06-01 | 北京小米移动软件有限公司 | Back cover of electronic equipment, electronic equipment and back cover control method |
| CN113534539A (en) * | 2021-07-27 | 2021-10-22 | 武汉华星光电技术有限公司 | Display module and display device |
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| WO2021042489A1 (en) * | 2019-09-05 | 2021-03-11 | 深圳市华星光电半导体显示技术有限公司 | Transparent display and method for enhancing display effect of real object |
| CN112888201A (en) * | 2019-11-29 | 2021-06-01 | 北京小米移动软件有限公司 | Back cover of electronic equipment, electronic equipment and back cover control method |
| CN112859473A (en) * | 2021-03-17 | 2021-05-28 | 宁波伯宇科技有限公司 | Transparent display screen |
| CN113534539A (en) * | 2021-07-27 | 2021-10-22 | 武汉华星光电技术有限公司 | Display module and display device |
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| Publication number | Publication date |
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| WO2019119573A1 (en) | 2019-06-27 |
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