CN109375438A - Display module and electronic device - Google Patents
Display module and electronic device Download PDFInfo
- Publication number
- CN109375438A CN109375438A CN201811539381.5A CN201811539381A CN109375438A CN 109375438 A CN109375438 A CN 109375438A CN 201811539381 A CN201811539381 A CN 201811539381A CN 109375438 A CN109375438 A CN 109375438A
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- China
- Prior art keywords
- liquid crystal
- crystal layer
- display panel
- light source
- display module
- 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.)
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Classifications
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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
- G02F1/1347—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells
-
- G—PHYSICS
- 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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- 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 present invention provides a kind of display module and electronic device, and the display module includes the first display panel, comprising: first substrate, the second substrate and the liquid crystal layer between the first substrate and the second substrate；The liquid crystal layer includes the first liquid crystal layer and the second liquid crystal layer；The display module makes inner light source penetrate the liquid crystal molecule deflection in first liquid crystal layer and second liquid crystal layer by the liquid crystal molecule deflection controlled in first liquid crystal layer makes outer light source reflect or penetrate second liquid crystal layer.The present invention is by being layered setting for the liquid crystal layer in the first display panel, to control outer light source and inner light source penetrating in first display panel or volume reflection, so that the display module adapts to different light intensity environment, promotes user experience.
Description
Technical field
The present invention relates to display field more particularly to a kind of display module and electronic devices.
Background technique
LCD (Liquid crystal displays, liquid crystal display) is a kind of flat-panel monitor being widely used,
Backlight distribution of light intensity is mainly modulated by liquid crystal shutter to realize that picture is shown.Liquid crystal display is largely backlight liquid
Crystal device comprising display module and backlight module.Display module includes display panel and inclined on display panel
Mating plate and cover board.
Liquid crystal display changes the polarization state of light, and by polaroid by control of the electric field to liquid crystal molecular orientation
Penetrating and stopping for optical path is realized, to realize the purpose of display.And available liquid crystal display visual effect under strong light is poor, and light
Source penetrance is lower, influences display picture quality.
Therefore, a kind of display is needed at present to solve the above problems.
Summary of the invention
The present invention provides a kind of display module and electronic device, to promote the quality of existing display picture.
To realize that the above problem, technical solution provided by the invention are as follows:
The invention proposes a kind of display modules comprising:
Second display panel；
The first display panel on second display panel, comprising:
First substrate；
The second substrate being oppositely arranged with the first substrate；
Liquid crystal layer between the first substrate and the second substrate, comprising:
Close to the first liquid crystal layer of the first substrate, the display module passes through the first driving voltage control described first
Liquid crystal molecule deflection in liquid crystal layer, makes inner light source penetrate first liquid crystal layer；
Close to the second liquid crystal layer of the second substrate, the display module passes through the second driving voltage control described second
Liquid crystal molecule deflection in liquid crystal layer, makes outer light source reflect or penetrate second liquid crystal layer.
In display module of the invention, the liquid crystal layer includes cholesteric liquid crystal molecule.
In display module of the invention, second display panel is that liquid crystal display panel or Organic Light Emitting Diode are aobvious
Show panel.
It further include polarisation between first display panel and second display panel in display module of the invention
Lamella.
In display module of the invention, the thickness of first display panel is greater than the thickness of second display panel
Degree.
In display module of the invention, the display module further include first electrode on the first substrate and
Second electrode in the second substrate；
The first electrode exports first driving voltage, to drive the liquid crystal molecule in first liquid crystal layer inclined
Turn, inner light source is made to penetrate first liquid crystal layer；
The second electrode exports second driving voltage, to drive the liquid crystal molecule in second liquid crystal layer inclined
Turn, outer light source is made to reflect or penetrate second liquid crystal layer.
In display module of the invention, the thickness of first liquid crystal layer is greater than the thickness of second liquid crystal layer.
The invention also provides a kind of electronic devices, wherein the electronic device includes above-mentioned display module.
In electronic device of the invention, the electronic device further includes the first control module and the second control module；
First control module exports first driving voltage for controlling the first electrode, to drive described the
Liquid crystal molecule deflection in one liquid crystal layer, makes inner light source penetrate first liquid crystal layer；
Second control module exports second driving voltage for controlling the second electrode, to drive described the
Liquid crystal molecule deflection in two liquid crystal layers, makes outer light source reflect or penetrate second liquid crystal layer.
In electronic device of the invention, when second driving voltage is 0, the liquid crystal molecule of second liquid crystal layer
It does not deflect, the outer light source reflexes to outside the electronic device by second liquid crystal layer；
When second driving voltage is greater than 0, the liquid crystal molecule of second liquid crystal layer is not deflected, the part outer light
Source is incident in second display panel by second liquid crystal layer.
The utility model has the advantages that the present invention is by being layered setting for the liquid crystal layer in the first display panel, to control outer light source and interior
Light source penetrating in first display panel or volume reflection mention so that the display module adapts to different light intensity environment
Rise user experience.
Detailed description of the invention
It, below will be to embodiment or the prior art in order to illustrate more clearly of embodiment or technical solution in the prior art
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only some of invention
Embodiment for those of ordinary skill in the art without creative efforts, can also be attached according to these
Figure obtains other attached drawings.
Fig. 1 is that the invention shows the first structure charts of mould group；
Fig. 2 is the structure chart being under strong light the invention shows mould group；
Fig. 3 is the structure chart being under dark-state the invention shows mould group.
Specific embodiment
The explanation of following embodiment is referred to the additional illustration, the particular implementation that can be used to implement to illustrate the present invention
Example.The direction term that the present invention is previously mentioned, such as [on], [under], [preceding], [rear], [left side], [right side], [interior], [outer], [side]
Deng being only the direction with reference to annexed drawings.Therefore, the direction term used be to illustrate and understand the present invention, rather than to
The limitation present invention.The similar unit of structure is with being given the same reference numerals in the figure.
Referring to Fig. 1, Fig. 1 is that the invention shows the first structure charts of mould group.
The display module 100 includes the second display panel 20 and the first display on second display panel 20
Panel 10.
In one embodiment, second display panel 20 can be LCD liquid crystal display panel.Second display surface
Plate 20 is including array substrate, the color membrane substrates being oppositely arranged with the array substrate and is located at the array substrate and the coloured silk
Liquid crystal between ilm substrate.
In one embodiment, second display panel 20 can be cholesterol liquid crystal display panel.When described second
It does not include color blocking layer on the color membrane substrates when liquid crystal layer includes cholesteric liquid crystal molecule.
In one embodiment, second display panel 20 can be organic LED display panel.
It in one embodiment, further include polaroid between first display panel 10 and second display panel 20
Layer (not shown).And when second display panel 20 is cholesteric liquid LCD panel, first display panel 10 with
The layer of polarizer can be not provided between second display panel 20.
Referring to Fig. 1, first display panel 10 is oppositely arranged including first substrate 101, with the first substrate 101
The second substrate 102 and the liquid crystal layer 103 between the first substrate 101 and the second substrate 102.
In one embodiment, the liquid crystal layer 103 includes cholesteric liquid crystal molecule.
The liquid crystal layer 103 includes the first liquid crystal layer 1031 and the second liquid crystal layer 1032.First liquid crystal layer 103 is close
The first substrate 101, second liquid crystal layer 103 is close to the second substrate 102.
In one embodiment, the thickness of first liquid crystal layer 103 is greater than the thickness of second liquid crystal layer 103.
In display module 100 of the invention, the display module 100 controls first liquid by the first driving voltage
Liquid crystal molecule deflection in crystal layer 103, makes inner light source penetrate first liquid crystal layer 103.The display module 100 passes through second
Driving voltage controls the deflection of the liquid crystal molecule in second liquid crystal layer 103, and outer light source is made to reflect or penetrate second liquid crystal
Layer 103.
Referring to Fig. 1, the display module 100 further includes first electrode 104 and position on the first substrate 101
Second electrode 105 in the second substrate 102.The first electrode 104 exports first driving voltage, and described second
Electrode 105 exports second driving voltage.The first electrode 104 exports first driving voltage, to drive described
Liquid crystal molecule deflection in one liquid crystal layer 103, makes inner light source penetrate first liquid crystal layer 103.The second electrode 105 exports
Second driving voltage makes outer light source reflect or penetrate institute to drive the liquid crystal molecule in second liquid crystal layer 103 to deflect
State the second liquid crystal layer 103.
Referring to Fig. 2, Fig. 2 is the structure chart being under strong light the invention shows mould group.
When user is under strong light environment, the second electrode 105 does not export second driving voltage, is incident to institute
The outer light source for stating the second liquid crystal layer 103 all reflexes to human eye, improves the visual effect under strong light environment.And gradually with light intensity
Reduce, the second electrode 105 exports second driving voltage, the outer light source by second liquid crystal layer 103 reflection
Light quantity is gradually reduced.
Referring to Fig. 3, Fig. 3 is the structure chart being under dark-state the invention shows mould group.
When under dark-state environment, the second electrode 105 exports second driving voltage, is incident to described second
The outer light source of liquid crystal layer 103 fully enters second display panel 20, weakens the brightness of the display module 100, makes described
The luminance adaptation environment of the issued light of display module 100.
In figure 2 and figure 3, first liquid crystal can be according to external environment illumination intensity, to penetrating first liquid
The light of crystal layer 103 carries out certain control.When under strong light environment, more inner light sources penetrate first liquid crystal
Layer 103.When under low light environment, the less inner light source penetrates first liquid crystal layer 103.
In one embodiment, when second display panel 20 is LCD liquid crystal display panel, the inner light source can be with
For the LED light bar in backlight module.In second display panel 20 can be organic LED display panel, is described
Light source is the light source issued in luminescent device.
In one embodiment, the thickness of first display panel 10 is greater than the thickness of second display panel 20.
Since first display panel 10 is used only for adjusting the brightness of the display panel, more described second is aobvious in structure
Show that panel 20 is simple, the thickness of first display panel 10 is smaller.
The present invention is by being layered setting for the liquid crystal layer 103 in the first display panel 10, to control outer light source and inner light source
Penetrating in first display panel 10 or volume reflection mention so that the display module 100 adapts to different light intensity environment
Rise user experience.
The invention also provides a kind of electronic device, the electronic device includes above-mentioned display module 100.In a kind of implementation
In example, the electronic device further includes the first control module and the second control module.
First control module exports first driving voltage for controlling the first electrode 104, to drive
The liquid crystal molecule deflection in the first liquid crystal layer 103 is stated, inner light source is made to penetrate first liquid crystal layer 103.The second control mould
Block exports second driving voltage for controlling the second electrode 105, to drive the liquid crystal in second liquid crystal layer 103
Molecule deflection, makes outer light source reflect or penetrate second liquid crystal layer 103.
In one embodiment, when second driving voltage is 0, the liquid crystal molecule of second liquid crystal layer 103 is not
Deflection, the outer light source reflex to outside the electronic device by second liquid crystal layer 103.
In one embodiment, when second driving voltage is greater than 0, the liquid crystal molecule of second liquid crystal layer 103
It does not deflect, the part outer light source is incident in second display panel 20 by second liquid crystal layer 103.By described
The incident light quantity of second liquid crystal layer 103 is determined according to the deflection angle of liquid crystal molecule in second liquid crystal layer 103.
When user is under strong light environment, the second control module control second electrode 105 does not export described
Second driving voltage, the outer light source for being incident to second liquid crystal layer 103 all reflex to human eye, improve under strong light environment can
Visual effect fruit.And as light intensity gradually reduces, second control module controls the second electrode 105 and exports second driving
The light quantity of voltage, the outer light source by second liquid crystal layer 103 reflection is gradually reduced.
When under dark-state environment, second control module controls the second electrode 105 and exports second drive
Dynamic voltage, the outer light source for being incident to second liquid crystal layer 103 fully enter second display panel 20, weaken the display
The brightness of mould group 100 makes the luminance adaptation environment of the issued light of the display module 100.
In one embodiment, the electronic device include but is not limited to mobile phone, tablet computer, computer display,
Game machine, television set, display screen, wearable device and other living electric apparatus or household electrical appliance having a display function etc..
The present invention provides a kind of display module and electronic device, and the display module includes the first display panel, comprising: the
One substrate, the second substrate and the liquid crystal layer between the first substrate and the second substrate；The liquid crystal layer includes the
One liquid crystal layer and the second liquid crystal layer；The display module makes interior light by the liquid crystal molecule deflection controlled in first liquid crystal layer
Source, which penetrates the deflection of the liquid crystal molecule in first liquid crystal layer and second liquid crystal layer, makes outer light source reflect or penetrate described the
Two liquid crystal layers.The present invention is by being layered setting for the liquid crystal layer in the first display panel, to control outer light source and inner light source in institute
Penetrating in the first display panel or volume reflection are stated, so that the display module adapts to different light intensity environment, promotes user's body
It tests.
In conclusion although the present invention has been disclosed above in the preferred embodiment, but above preferred embodiment is not to limit
The system present invention, those skilled in the art can make various changes and profit without departing from the spirit and scope of the present invention
Decorations, therefore protection scope of the present invention subjects to the scope of the claims.
Claims (10)
1. a kind of display module, which is characterized in that the display module includes:
Second display panel；
The first display panel on second display panel, comprising:
First substrate；
The second substrate being oppositely arranged with the first substrate；
Liquid crystal layer between the first substrate and the second substrate, comprising:
Close to the first liquid crystal layer of the first substrate, the display module controls first liquid crystal by the first driving voltage
Liquid crystal molecule deflection in layer, makes inner light source penetrate first liquid crystal layer；
Close to the second liquid crystal layer of the second substrate, the display module controls second liquid crystal by the second driving voltage
Liquid crystal molecule deflection in layer, makes outer light source reflect or penetrate second liquid crystal layer.
2. display module according to claim 1, which is characterized in that the liquid crystal layer includes cholesteric liquid crystal molecule.
3. display module according to claim 1, which is characterized in that second display panel be liquid crystal display panel or
Organic LED display panel.
4. display module according to claim 3, which is characterized in that first display panel and second display surface
It further include layer of polarizer between plate.
5. display module according to claim 1, which is characterized in that the thickness of first display panel is greater than described the
The thickness of two display panels.
6. display module according to claim 1, which is characterized in that the display module further includes being located at first base
First electrode on plate and the second electrode in the second substrate；
The first electrode exports first driving voltage to be made with driving the liquid crystal molecule in first liquid crystal layer to deflect
Inner light source penetrates first liquid crystal layer；
The second electrode exports second driving voltage to be made with driving the liquid crystal molecule in second liquid crystal layer to deflect
Outer light source reflects or penetrates second liquid crystal layer.
7. display module according to claim 1, which is characterized in that the thickness of first liquid crystal layer is greater than described second
The thickness of liquid crystal layer.
8. a kind of electronic device, which is characterized in that the electronic device includes display as described in any one of claims 1 to 7
Mould group.
9. electronic device according to claim 8, which is characterized in that the electronic device further include the first control module and
Second control module；
First control module exports first driving voltage for controlling the first electrode, to drive first liquid
Liquid crystal molecule deflection in crystal layer, makes inner light source penetrate first liquid crystal layer；
Second control module exports second driving voltage for controlling the second electrode, to drive second liquid
Liquid crystal molecule deflection in crystal layer, makes outer light source reflect or penetrate second liquid crystal layer.
10. electronic device according to claim 9, which is characterized in that when second driving voltage is 0, described the
The liquid crystal molecule of two liquid crystal layers does not deflect, and the outer light source reflexes to outside the electronic device by second liquid crystal layer；
When second driving voltage is greater than 0, the liquid crystal molecule of second liquid crystal layer is not deflected, the part outer light source warp
Second liquid crystal layer is crossed to be incident in second display panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811539381.5A CN109375438B (en) | 2018-12-17 | 2018-12-17 | Display module and electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811539381.5A CN109375438B (en) | 2018-12-17 | 2018-12-17 | Display module and electronic device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109375438A true CN109375438A (en) | 2019-02-22 |
| CN109375438B CN109375438B (en) | 2022-03-08 |
Family
ID=65374162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811539381.5A Active CN109375438B (en) | 2018-12-17 | 2018-12-17 | Display module and electronic device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109917594A (en) * | 2019-03-19 | 2019-06-21 | 华南师范大学 | A kind of secret protection infrared external reflection smart window and preparation method thereof |
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| CN106647064A (en) * | 2017-03-10 | 2017-05-10 | 京东方科技集团股份有限公司 | Optical device, display device and method for driving the same |
| CN106773433A (en) * | 2017-02-27 | 2017-05-31 | 南方科技大学 | A kind of liquid crystal display panel and preparation method thereof |
| CN108051946A (en) * | 2018-01-02 | 2018-05-18 | 京东方科技集团股份有限公司 | A kind of display device |
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2018
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20100296011A1 (en) * | 2009-05-25 | 2010-11-25 | Fuji Xerox Co., Ltd. | Recording device, recording system, and recording method |
| CN105700223A (en) * | 2016-04-20 | 2016-06-22 | 武汉华星光电技术有限公司 | Liquid crystal display with switchable transmission and reflection modes and display module of liquid crystal display |
| CN106773433A (en) * | 2017-02-27 | 2017-05-31 | 南方科技大学 | A kind of liquid crystal display panel and preparation method thereof |
| CN106647064A (en) * | 2017-03-10 | 2017-05-10 | 京东方科技集团股份有限公司 | Optical device, display device and method for driving the same |
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| CN109917594A (en) * | 2019-03-19 | 2019-06-21 | 华南师范大学 | A kind of secret protection infrared external reflection smart window and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN109375438B (en) | 2022-03-08 |
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