CN111736379A - Camera module and display device - Google Patents
Camera module and display device Download PDFInfo
- Publication number
- CN111736379A CN111736379A CN202010553004.8A CN202010553004A CN111736379A CN 111736379 A CN111736379 A CN 111736379A CN 202010553004 A CN202010553004 A CN 202010553004A CN 111736379 A CN111736379 A CN 111736379A
- Authority
- CN
- China
- Prior art keywords
- liquid crystal
- molecules
- dichroic dye
- camera module
- substrate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
Abstract
The application discloses a camera module and a display device, wherein the camera module comprises a camera; the liquid crystal box is arranged above the camera and internally provided with dichroic dye molecules and liquid crystal molecules; when no electric field is applied to the liquid crystal box, the liquid crystal molecules and the dichroic dye molecules are in a spiral structure, and the light transmittance of the liquid crystal box is reduced; when an electric field is applied to the liquid crystal box, the liquid crystal molecules stand along the first direction, the dichroic dye molecules stand along the first direction under the driving of the liquid crystal molecules, and the light transmittance of the liquid crystal box is increased.
Description
Technical Field
The application relates to the technical field of make a video recording, especially, relate to a module and display device make a video recording.
Background
With the continuous development of electronic technology, cameras are applied more and more widely in various electronic devices. Then the camera is inconsistent with the appearance of the surrounding environment and is easy to observe, thereby greatly influencing the beauty of the electronic equipment.
Therefore, there is a need to develop a new camera module to overcome the drawbacks of the prior art.
Disclosure of Invention
An object of the present invention is to provide a camera module, which can solve the problem of how to hide a camera in the prior art.
In order to achieve the above object, the present invention provides a camera module, which includes a camera; the liquid crystal box is arranged above the camera and internally provided with dichroic dye molecules and liquid crystal molecules; when no electric field is applied to the liquid crystal box, the liquid crystal molecules and the dichroic dye molecules are in a spiral structure, and the light transmittance of the liquid crystal box is reduced; when an electric field is applied to the liquid crystal box, the liquid crystal molecules stand along the first direction, the dichroic dye molecules stand along the first direction under the driving of the liquid crystal molecules, and the light transmittance of the liquid crystal box is increased.
Utilize electric field drive to change the direction of liquid crystal and drive the dyestuff molecule and rotate for the transmissivity changes, through selecting suitable dyestuff molecule, makes dichroism dyestuff liquid crystal box absorption spectrum unanimous with object on every side when there is not voltage, thereby can hide the camera, and when adding voltage, the dyestuff molecule is stood perpendicularly in the dichroism dyestuff liquid crystal box, and the transmissivity is higher, and camera luminousness is higher, can realize better shooting effect.
Further, in other embodiments, wherein the liquid crystal cell comprises an upper substrate; the lower substrate is arranged opposite to the upper substrate; liquid crystal molecules positioned between the upper substrate and the lower substrate; and the dichroic dye molecules are positioned between the upper substrate and the lower substrate and are mixed and doped with the liquid crystal molecules.
Further, in other embodiments, the liquid crystal cell further includes a transparent electrode disposed on a surface of the upper substrate close to the lower substrate and a surface of the lower substrate close to the upper substrate.
Further, in other embodiments, the transparent electrode is made of ITO. The external voltage is connected to the transparent electrode.
Utilize electric field drive to change the direction of liquid crystal and drive the dyestuff molecule and rotate for the transmissivity changes, through selecting suitable dyestuff molecule, makes dichroism dyestuff liquid crystal box absorption spectrum unanimous with object on every side when there is not voltage, thereby can hide the camera, and when adding voltage, the dyestuff molecule is stood perpendicularly in the dichroism dyestuff liquid crystal box, and the transmissivity is higher, and camera luminousness is higher, can realize better shooting effect.
Further, in other embodiments, the material of the upper substrate and the lower substrate is a glass substrate or a thermoplastic polyester film (PET) or a polyimide film.
Further, in other embodiments, the liquid crystal molecules and the dichroic dye molecules are doped between the upper substrate and the lower substrate by a liquid crystal dropping process or a crystal filling injection process.
Further, in other embodiments, wherein the liquid crystal cell has a light transmittance of greater than 90% when an electric field is applied to the liquid crystal cell.
Further, in other embodiments, wherein the ratio of the dichroic dye molecules to the sum of the dichroic dye molecules and the liquid crystal molecules is less than 5%.
Further, in other embodiments, the liquid crystal cell further comprises a chiral agent, located between the upper substrate and the lower substrate, mixed with the liquid crystal molecules and the dichroic dye molecules; the proportion of the chiral agent in the total of the molecules is less than 1%. The chiral agent makes the liquid crystal molecules in a spiral structure.
In order to achieve the above object, the present invention further provides a display device having a display area, wherein the display area has a camera area therein; the display device comprises the camera module group, and is arranged in the camera area; and the display substrate is positioned in the display area and arranged on the same layer with the liquid crystal box.
Further, in other embodiments, wherein the dichroic dye within the liquid crystal cell has the same absorption spectrum as the display substrate; when no electric field is applied to the liquid crystal box, the appearance color of the liquid crystal box is the same as the color of the display substrate. The camera can be well hidden, and the appearance is good.
A dichroic dye is a dye whose absorption spectrum changes with the polarization of the incident light, so that different colors can be seen in different directions. The type of the dichroic dye can be selected and matched according to the surrounding environment of the camera, so that the absorption wavelength is close to the surrounding objects.
Further, in other embodiments, a barrier is disposed between the liquid crystal cell and the display substrate, and the barrier is made of sealant.
Compared with the prior art, the invention has the beneficial effects that: the invention provides a camera module and a display device, which utilize an electric field to drive and change the direction of liquid crystal to drive dye molecules to rotate, so that the transmittance is changed, and proper dye molecules are selected to ensure that the absorption spectrum of a dichromatic dye liquid crystal box is consistent with that of surrounding objects in the absence of voltage, so that a camera can be hidden.
Drawings
The technical solution and other advantages of the present application will become apparent from the detailed description of the embodiments of the present application with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of a camera module according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a camera module according to an embodiment of the invention when a voltage is applied to a liquid crystal cell;
FIG. 3 is a schematic structural diagram of a liquid crystal cell according to an embodiment of the present invention when no voltage is applied to the liquid crystal cell;
FIG. 4 is a schematic diagram of a structure of a liquid crystal cell according to an embodiment of the present invention when a voltage is applied to the liquid crystal cell;
FIG. 5 is a schematic structural diagram of a display device according to an embodiment of the present invention when no voltage is applied to the liquid crystal cell;
fig. 6 is a schematic structural diagram of a display device according to an embodiment of the present invention when a voltage is applied to a liquid crystal cell.
Description of the figures in the detailed description:
a display device-100;
display area-101; a camera area-102;
a liquid crystal box-1; a display substrate-2;
a camera-3;
an upper substrate-11; lower substrate-12;
a transparent electrode-13; liquid crystal molecule-14;
dichroic dye molecule-15.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The following disclosure provides many different embodiments or examples for implementing different features of the application. In order to simplify the disclosure of the present application, specific example components and arrangements are described below. Of course, they are merely examples and are not intended to limit the present application. Moreover, the present application may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, examples of various specific processes and materials are provided herein, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a camera module according to an embodiment of the present invention, where the camera module includes a liquid crystal cell 1 and a camera 3.
The liquid crystal box 1 is arranged above the camera 3, and dichroic dye molecules and liquid crystal molecules are arranged in the liquid crystal box 1.
Referring to fig. 3 and 4, fig. 3 and 4 are a schematic structural diagram of a liquid crystal cell with no voltage applied and a schematic structural diagram of the liquid crystal cell with voltage applied according to an embodiment of the present invention, respectively, where the liquid crystal cell 1 includes an upper substrate 11, a lower substrate 12, a transparent electrode 13, liquid crystal molecules 14, dichroic dye molecules 15, and a chiral agent. The chiral agent is not identified in the figure.
The upper substrate 11 is disposed opposite to the lower substrate 12, and the transparent electrode 13 is disposed on a surface of the upper substrate 11 close to the lower substrate 12 and a surface of the lower substrate 12 close to the upper substrate 11. An external voltage is connected to the transparent electrode 13.
The liquid crystal molecules 14, the dichroic dye molecules 15, and the chiral agent are located between the upper substrate 11 and the lower substrate 12, and the liquid crystal molecules 14, the dichroic dye molecules 15, and the chiral agent are mixed and doped. Due to the incorporation of the chiral agent, the liquid crystal molecules 14 have a helical structure.
Wherein, the proportion of the dichroic dye molecules 15 in the total of the dichroic dye molecules 15 and the liquid crystal molecules 14 is less than 5%, and the proportion of the chiral agent in the total of the molecules is less than 1%.
When the liquid crystal box 1 is not applied with an electric field, the liquid crystal molecules 14 and the dichroic dye molecules 15 are in a spiral structure, and the light transmittance of the liquid crystal box 1 is reduced; when the liquid crystal box 1 adds the electric field, the liquid crystal molecules 14 stand along the first direction, the dichroic dye molecules 15 stand along the first direction under the drive of the liquid crystal molecules 14, the light transmittance of the liquid crystal box 1 is increased, so that external light can reach the camera 3, and a better shooting effect can be realized. Referring to fig. 2, fig. 2 is a schematic structural diagram of a display device according to an embodiment of the present invention when a voltage is applied to a liquid crystal cell.
A dichroic dye is a dye whose absorption spectrum changes with the polarization of the incident light, so that different colors can be seen in different directions. Therefore, in other embodiments, the type of the dichroic dye molecules 15 in the liquid crystal cell 1 can be selected and matched according to the surrounding environment of the camera 3, so that the absorption wavelength is close to the surrounding objects.
Utilize electric field drive to change the direction of liquid crystal and drive the dyestuff molecule and rotate for the transmissivity changes, through selecting suitable dyestuff molecule, makes dichroism dyestuff liquid crystal box absorption spectrum unanimous with object on every side when there is not voltage, thereby can hide the camera, and when adding voltage, the dyestuff molecule is stood perpendicularly in the dichroism dyestuff liquid crystal box, and the transmissivity is higher, and camera luminousness is higher, can realize better shooting effect.
The upper substrate 11 and the lower substrate 12 are made of glass substrate, thermoplastic Polyester (PET) film or polyimide film, and the transparent electrode 13 is made of ITO.
In the present embodiment, the liquid crystal molecules 14 and the dichroic dye molecules 15 are doped between the upper substrate 11 and the lower substrate 12 by a liquid crystal dropping process or a liquid crystal filling injection process.
When an electric field is applied to the liquid crystal cell 1, the light transmittance of the liquid crystal cell 1 is greater than 90%.
The embodiment of the invention further provides a display device 100, and the display device 100 comprises the camera module according to the invention. Referring to fig. 5 and 6, fig. 5 and 6 are a schematic structural diagram of a display device according to an embodiment of the present invention when no voltage is applied to a liquid crystal cell and a schematic structural diagram of a display device according to an embodiment of the present invention when a voltage is applied to a liquid crystal cell, respectively.
The display device 100 has a display area 101, and the display area 101 has an image pickup area 102.
The display device 100 includes a display substrate 2, the display substrate 2 is located in a display area 101, a liquid crystal cell 1 is located in an image pickup area 102, the liquid crystal cell 1 and the display substrate 2 are disposed on the same layer, and a camera 3 is disposed below the liquid crystal cell 1 and located in the image pickup area 102.
In the present embodiment, the dichroic dye molecules 15 in the liquid crystal cell 1 have the same absorption spectrum as the display substrate 2, and when no electric field is applied to the liquid crystal cell 1, the appearance color of the liquid crystal cell 1 is the same as the color of the display substrate 2. The camera 3 can be well hidden, and the appearance is good.
A dichroic dye is a dye whose absorption spectrum changes with the polarization of the incident light, so that different colors can be seen in different directions. The type of the dichroic dye can be selected and matched according to the surrounding environment of the camera, so that the absorption wavelength is close to the surrounding objects.
A baffle plate is arranged between the liquid crystal box 1 and the display substrate 2, and the material of the baffle plate adopts frame glue.
The invention has the beneficial effects that: the invention provides a camera module display device, which utilizes an electric field to drive and change the direction of liquid crystal to drive dye molecules to rotate, so that the transmittance is changed, and the proper dye molecules are selected to ensure that the absorption spectrum of a dichromatic dye liquid crystal box is consistent with that of a surrounding display substrate in the absence of voltage, so that a camera can be hidden.
In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
The display device provided by the embodiment of the present application is described in detail above, and the principle and the implementation of the present application are explained in the present application by applying specific examples, and the description of the above embodiment is only used to help understanding the technical solution and the core idea of the present application; those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the present disclosure as defined by the appended claims.
Claims (10)
1. A camera module is characterized by comprising
A camera;
the liquid crystal box is arranged above the camera and internally provided with dichroic dye molecules and liquid crystal molecules;
when no electric field is applied to the liquid crystal box, the liquid crystal molecules and the dichroic dye molecules are in a spiral structure, and the light transmittance of the liquid crystal box is reduced; when an electric field is applied to the liquid crystal box, the liquid crystal molecules stand along the first direction, the dichroic dye molecules stand along the first direction under the driving of the liquid crystal molecules, and the light transmittance of the liquid crystal box is increased.
2. The camera module of claim 1, wherein the liquid crystal cell comprises
An upper substrate;
the lower substrate is arranged opposite to the upper substrate;
liquid crystal molecules positioned between the upper substrate and the lower substrate;
and the dichroic dye molecules are positioned between the upper substrate and the lower substrate and are mixed and doped with the liquid crystal molecules.
3. The camera module of claim 2, wherein the liquid crystal cell further comprises
And the transparent electrode is arranged on the surface of the upper substrate close to the lower substrate and the surface of the lower substrate close to the upper substrate.
4. The camera module according to claim 2, wherein the upper substrate and the lower substrate are made of glass substrates, thermoplastic polyester films or polyimide films.
5. The camera module of claim 2, wherein the liquid crystal molecules and the dichroic dye molecules are doped between the upper substrate and the lower substrate by a liquid crystal dropping process or a liquid crystal filling process.
6. The camera module of claim 1, wherein the liquid crystal cell has a transmittance of greater than 90% when an electric field is applied to the liquid crystal cell.
7. The camera module of claim 1, wherein the dichroic dye molecules account for less than 5% of the sum of the dichroic dye molecules and the liquid crystal molecules.
8. The camera module of claim 2, wherein the liquid crystal cell further comprises
The chiral agent is positioned between the upper substrate and the lower substrate and is mixed and doped with the liquid crystal molecules and the dichroic dye molecules; the proportion of the chiral agent in the total of the molecules is less than 1%.
9. A display device is characterized by comprising a display area, wherein the display area is provided with a camera shooting area; the display device comprises
The camera module of any of claims 1-8, disposed in the camera area;
and the display substrate is positioned in the display area and arranged on the same layer with the liquid crystal box.
10. The display device according to claim 9, wherein the dichroic dye in the liquid crystal cell has the same absorption spectrum as the display substrate;
when no electric field is applied to the liquid crystal box, the appearance color of the liquid crystal box is the same as the color of the display substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010553004.8A CN111736379A (en) | 2020-06-17 | 2020-06-17 | Camera module and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010553004.8A CN111736379A (en) | 2020-06-17 | 2020-06-17 | Camera module and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111736379A true CN111736379A (en) | 2020-10-02 |
Family
ID=72649450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010553004.8A Pending CN111736379A (en) | 2020-06-17 | 2020-06-17 | Camera module and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111736379A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000089188A (en) * | 1998-09-11 | 2000-03-31 | Nippon Hoso Kyokai <Nhk> | Color temperature correction filter and image pickup device |
| CN1629681A (en) * | 2003-12-17 | 2005-06-22 | 索尼株式会社 | Lens barrel and imaging device |
| US20090201436A1 (en) * | 2008-01-28 | 2009-08-13 | Strazzanti Michael A | Display and Control Concealment Method and Apparatus |
| JP2009276496A (en) * | 2008-05-14 | 2009-11-26 | Sony Corp | Liquid crystal display device |
| US20170336173A1 (en) * | 2014-11-19 | 2017-11-23 | Folium Optics Ltd | Adaptive camouflage device, system, method and camouflage apparatus |
| CN208180898U (en) * | 2018-05-17 | 2018-12-04 | 深圳市唯酷光电有限公司 | A kind of automobile rearview mirror |
| CN109618029A (en) * | 2018-11-02 | 2019-04-12 | 华为终端有限公司 | Mobile terminal device and its rear case component and display screen component |
| CN110579911A (en) * | 2019-08-22 | 2019-12-17 | 武汉华星光电技术有限公司 | display panel, display device thereof and mobile terminal |
| CN110764319A (en) * | 2019-09-10 | 2020-02-07 | 武汉华星光电技术有限公司 | Display panel, display device and display control method |
| KR20200048625A (en) * | 2018-10-30 | 2020-05-08 | 주식회사 신도기연 | Liquid Crystal Composition for Small Liquid crystal Camera Aperture and manufacturing method thereof |
| CN111208682A (en) * | 2020-01-19 | 2020-05-29 | Tcl华星光电技术有限公司 | Liquid crystal display panel and display device |
-
2020
- 2020-06-17 CN CN202010553004.8A patent/CN111736379A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000089188A (en) * | 1998-09-11 | 2000-03-31 | Nippon Hoso Kyokai <Nhk> | Color temperature correction filter and image pickup device |
| CN1629681A (en) * | 2003-12-17 | 2005-06-22 | 索尼株式会社 | Lens barrel and imaging device |
| US20090201436A1 (en) * | 2008-01-28 | 2009-08-13 | Strazzanti Michael A | Display and Control Concealment Method and Apparatus |
| JP2009276496A (en) * | 2008-05-14 | 2009-11-26 | Sony Corp | Liquid crystal display device |
| US20170336173A1 (en) * | 2014-11-19 | 2017-11-23 | Folium Optics Ltd | Adaptive camouflage device, system, method and camouflage apparatus |
| CN208180898U (en) * | 2018-05-17 | 2018-12-04 | 深圳市唯酷光电有限公司 | A kind of automobile rearview mirror |
| KR20200048625A (en) * | 2018-10-30 | 2020-05-08 | 주식회사 신도기연 | Liquid Crystal Composition for Small Liquid crystal Camera Aperture and manufacturing method thereof |
| CN109618029A (en) * | 2018-11-02 | 2019-04-12 | 华为终端有限公司 | Mobile terminal device and its rear case component and display screen component |
| CN110579911A (en) * | 2019-08-22 | 2019-12-17 | 武汉华星光电技术有限公司 | display panel, display device thereof and mobile terminal |
| CN110764319A (en) * | 2019-09-10 | 2020-02-07 | 武汉华星光电技术有限公司 | Display panel, display device and display control method |
| CN111208682A (en) * | 2020-01-19 | 2020-05-29 | Tcl华星光电技术有限公司 | Liquid crystal display panel and display device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5303073A (en) | Dispersion-type liquid crystal display element with oriented dichroic dye in the support media | |
| Zang et al. | Microcup electronic paper by roll-to-roll manufacturing processes | |
| CN101957521B (en) | High-contrast liquid crystal electronic paper displayer and manufacturing method thereof | |
| CN110780477A (en) | Liquid crystal display screen, display method thereof and display device | |
| JP5341643B2 (en) | Liquid crystal display device and method of manufacturing liquid crystal display device | |
| WO2016110274A1 (en) | Liquid crystal display device and driving method thereof | |
| CN109507819A (en) | A kind of device and preparation method thereof adjusting display panel visual angle, display device | |
| JP2001172634A (en) | Liquid crystal composition and liquid crystal photomodulation element using the same composition | |
| US20140043572A1 (en) | Liquid Crystal Display Panel And Liquid Crystal Display Device | |
| Han et al. | Fabrication of a controllable anti-peeping device with a laminated structure of microlouver and polymer dispersed liquid crystals film | |
| WO2015078026A1 (en) | Color liquid crystal display panel | |
| JP3651004B2 (en) | Liquid crystal display element, manufacturing method thereof, and electronic apparatus | |
| JP2775769B2 (en) | Projection active matrix liquid crystal display device and method of manufacturing the same | |
| CN111736379A (en) | Camera module and display device | |
| CN102876334B (en) | Liquid crystal composition, liquid crystal display panel and preparation method thereof | |
| US20130258252A1 (en) | Transparent liquid crystal display device and manufacturing method for the same | |
| CN1220100C (en) | Substrate for electrooptical screen and making method and electrooptical screen and relative electric appliance | |
| JP2008026607A (en) | Method of forming tin oxide porous layer and electrochromic display element | |
| CN100351677C (en) | Liquid crystal display device containing nano polymer network and its manufacturing method | |
| CN107256881B (en) | Display panel, manufacturing method thereof and display device | |
| CN106501991B (en) | Black matrix", the curing method of liquid crystal display panel frame adhesive and liquid crystal display panel | |
| TWI477873B (en) | Electrophoretic display film and electrophoretic display apparatus | |
| CN113031348B (en) | Backlight module and liquid crystal display device | |
| US11428972B2 (en) | Display panel comprising a plurality of dichroic dye liquid crystal microcapsules having a quality percentage of liquid crystal material of 95.0%-99.0% and display device | |
| CN113391493A (en) | Wide-viewing-angle bistable liquid crystal erasable display device and display method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201002 |