CN106168714B - Display base plate, display panel and display device - Google Patents
Display base plate, display panel and display device Download PDFInfo
- Publication number
- CN106168714B CN106168714B CN201610868429.1A CN201610868429A CN106168714B CN 106168714 B CN106168714 B CN 106168714B CN 201610868429 A CN201610868429 A CN 201610868429A CN 106168714 B CN106168714 B CN 106168714B
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- Prior art keywords
- phase
- temperature
- change material
- display
- display panel
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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
-
- 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
- G02F1/0009—Materials therefor
- G02F1/0054—Structure, phase transitions, NMR, ESR, Moessbauer spectra
Abstract
The present invention provides a kind of display base plate, the display base plate includes underlay substrate and the circuitous pattern layer that is arranged on the underlay substrate, wherein, the display base plate further includes the transparent phase-change material layers that the circuitous pattern layer surface is arranged in, at least part of the transparent phase-change material layers can undergo phase transition and discharge heat when temperature is lower than the first preset temperature, and at least part of the transparent phase-change material layers can undergo phase transition absorption heat when temperature is higher than the second preset temperature.The present invention also provides a kind of display panels and a kind of display device.When the temperature of the display panel is lower than predetermined low temperature level, the phase transformation of release heat occurs in display panel, display medium is heated；When the temperature of display panel is higher than predetermined high temperature, the phase transformation for absorbing heat occurs in display panel, cools down to display medium.It follows that display panel provided by the present invention has biggish use temperature range.
Description
Technical field
The present invention relates to field of display devices, and in particular, to a kind of display base plate, a kind of aobvious including the display base plate
Show panel and a kind of display device including the display panel.
Background technique
In existing display panel, many display devices realize display by display medium.For example, liquid crystal display device
In display medium be liquid crystal material.Display medium in display device of electronic paper is display microcapsules.Display medium is chemistry
Substance, performance and environment temperature are by very big relationship.When temperature is lower than certain temperature or is higher than certain temperature, display medium
Property can change, display effect is had a huge impact.
Therefore, how to prevent environment temperature from having an impact the technical problem urgently to be resolved as this field to display effect.
Summary of the invention
The purpose of the present invention is to provide a kind of display base plates, a kind of display panel and a kind of packet including the display base plate
Include the display device of the display panel.The display panel is influenced by ambient temperature smaller.
To achieve the goals above, as the first aspect of the invention, a kind of display base plate, the display base plate are provided
Including underlay substrate and the circuitous pattern layer being arranged on the underlay substrate, wherein the display base plate further includes that setting exists
At least part of the transparent phase-change material layers of the circuitous pattern layer surface, the transparent phase-change material layers can be low in temperature
Heat is undergone phase transition and discharged when the first preset temperature, and at least part of the transparent phase-change material layers can be in temperature height
Absorption heat is undergone phase transition when the second preset temperature.
Preferably, the transparent phase-change material layers are made of the first phase-change material, and first phase-change material can be in temperature
Heat is undergone phase transition and discharges when degree is lower than first preset temperature, and first phase-change material can be higher than in temperature
It is undergone phase transition when second preset temperature and absorbs heat.
Preferably, first phase-change material includes NH4SCN、Li2SO4、KHF2, aluminium silicon compound, in Cu-Si compound
Any one or it is any several.
Preferably, first phase-change material includes high density polyethylene (HDPE), polyformaldehyde, polyethylene, any one in NPG
Or it is any several.
Preferably, the transparent phase-change material layers include low temperature phase change area and high-temperature phase-change area, in the low temperature phase change area
It is provided with low-temperature phase-change material, is provided with high temperature phase change material (pcm) in the high-temperature phase-change area, the low-temperature phase-change material can be
Temperature undergoes phase transition and discharges heat when being lower than first preset temperature, the high temperature phase change material (pcm) can be higher than institute in temperature
It is undergone phase transition when stating the second preset temperature and absorbs heat.
As the second aspect of the invention, a kind of display panel is provided, the display panel includes array substrate, to box
Substrate and it is filled in the array substrate and the display medium between box substrate, wherein the array substrate and described
Above-mentioned display base plate provided by the present invention at least one of box substrate.
Preferably, the display medium includes display microcapsules.
As the third aspect of the invention, a kind of display panel is provided, the display panel includes array substrate, to box
Substrate and it is filled in the array substrate and the display microcapsules between box substrate, wherein the display panel also wraps
It includes and the array substrate and second phase-change material between box substrate is set, second phase-change material can be in temperature
Degree undergoes phase transition and discharges heat, and the second phase-change material energy when being lower than the low temperature phase change temperature of second phase-change material
It is undergone phase transition when enough high-temperature phase-change temperature for being higher than second phase-change material in temperature and absorbs heat.
Preferably, the display panel further includes seal casinghousing, and second phase-change material is filled in the seal casinghousing
In.
Preferably, the seal casinghousing is spherical shape, and the diameter of the spherical shape is between 1 micron to 10 microns.
Preferably, second phase-change material includes Na2SO4·10H2O and/or CaCl2·6H2O。
As the fourth aspect of the invention, a kind of display device is provided, the display device includes display panel,
In, the display panel is above-mentioned display panel provided by the present invention.
When the temperature of the display panel is lower than predetermined low temperature level, the phase transformation of release heat occurs in display panel, to aobvious
Show that medium is heated；When the temperature of display panel is higher than predetermined high temperature, the phase transformation for absorbing heat occurs in display panel, it is right
Display medium cools down.It follows that display panel provided by the present invention has biggish use temperature range.
Detailed description of the invention
The drawings are intended to provide a further understanding of the invention, and constitutes part of specification, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the schematic diagram of display base plate provided by the present invention；
Fig. 2 is a kind of schematic diagram of embodiment of display panel provided by the present invention；
Fig. 3 is the schematic diagram of the another embodiment of display panel provided by the present invention.
Description of symbols
100: underlay substrate 200: circuitous pattern layer
300: transparent phase-change material layers 301: low temperature phase change area
302: high-temperature phase-change area 400: display microcapsules
500: the second phase-change materials 600: seal casinghousing
Specific embodiment
Below in conjunction with attached drawing, detailed description of the preferred embodiments.It should be understood that this place is retouched
The specific embodiment stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
As one aspect of the present invention, a kind of display base plate is provided, as shown in Figure 1, the display base plate includes substrate
Substrate 100 and the circuitous pattern layer 200 being arranged on the underlay substrate 100, wherein the display base plate further includes being arranged in electricity
At least part of the transparent phase-change material layers 300 on 200 surface of road graph layer, the transparent phase-change material layers 300 can be in temperature
Heat is undergone phase transition and discharged when lower than the first preset temperature, and at least part of the transparent phase-change material layers 300 can be in temperature
Degree undergoes phase transition when being higher than the second preset temperature and absorbs heat.
In the transparent material layer 300 of display base plate provided by the present invention, occur release heat phase transformation part with
The part for occurring to absorb the phase transformation of heat can be the same or different.It should be pointed out that either discharging the phase transformation of heat
Or the phase transformation for absorbing heat is solid-solid phase change.After before phase change, variation be the first phase-change material molecular arrangement, lattice
State etc..
The display base plate is applied in the display device including display medium.
When the display base plate is applied in display device, when the temperature of display base plate is lower than the first preset temperature,
The phase transformation that release heat occurs in transparent phase-change material layers 300, so as to improve the temperature of display base plate, and to display device
In display medium heated, avoid low temperature from impacting the performance of display medium.When the temperature of display base plate is higher than institute
When stating the second preset temperature, transparent phase-change material layers 300 occur to absorb the phase transformation of heat, so as to reduce the temperature of display base plate
Degree, and cool down to the display medium in display device, avoid high temperature from impacting the performance of display medium.
It follows that the temperature that the display device including the display base plate uses can be expanded using the display base plate
Range.
In order to simplify the structure and manufacture craft of display base plate, as one embodiment of the present invention, transparent phase transformation material
The bed of material 300 is made of the first phase-change material, which can occur when temperature is lower than first preset temperature
Phase transformation simultaneously discharges heat, and first phase-change material can undergo phase transition and inhale when temperature is higher than second preset temperature
Receive heat.
First preset temperature is the low temperature phase change temperature of first phase-change material, and second preset temperature is institute
State the high-temperature phase-change temperature of the first phase-change material.
In the present invention, to the specific ingredient of the first phase-change material, there is no special requirements, as long as can be lower than low
Undergone phase transition when warm phase transition temperature and heat release, higher than high-temperature phase-change temperature when undergo phase transition and absorb heat.First phase transformation
Material can be inorganic material, be also possible to organic material.In the present invention, it can use same first phase-change material to be made
Transparent phase-change material layers 300 also can use two or more different phase-change material and transparent phase-change material layers be made
300。
When the display base plate is applied in display device of electronic paper, the display medium is display microcapsules.In general,
Show the size of microcapsules in 200 microns.In the prior art the use temperature range of display device of electronic paper be -30 DEG C extremely
70℃.Therefore, the low temperature phase change temperature of the first phase-change material of selection can be -30 DEG C or so, and high-temperature phase-change temperature can be
70℃。
Meet there are many kinds of the materials that low-temperature phase-change material is -30 DEG C or so, high-temperature phase-change temperature is 70 DEG C.For example, working as
When first phase-change material is inorganic material, first phase-change material can be selected from NH4SCN、Li2SO4、KHF2, aluminium silication
Close object, in Cu-Si compound any one or it is any several.For another example when the first phase-change material is organic material, it is described
First phase-change material can selected from high density polyethylene (HDPE) (HDPE), polyformaldehyde (POM), ethylene (PE), in NPG any one or
It is any several.
As another embodiment of the invention, transparent phase-change material layers 300 may include low temperature phase change area 301 and height
Warm phase change zone 302.It is provided with low-temperature phase-change material in low temperature phase change area 301, high-temperature phase-change material is provided in high-temperature phase-change area 302
Material.The low-temperature phase-change material can undergo phase transition and discharge heat, the height when temperature is lower than first preset temperature
Warm phase-change material can undergo phase transition when temperature is higher than second preset temperature and absorb heat.
The low-temperature phase-change material can be selected from polyethylene, polyformaldehyde, ethylene etc., and the high temperature phase change material (pcm) can be selected from
Neopentyl glycol, NH4SCN、Li2SO4、KHF2Deng.
In the present invention, the display base plate may be used as array substrate, be also used as to box substrate.
When display base plate is array substrate, circuitous pattern layer 200 can be pixel circuit, which includes grid
Line, data line, thin film transistor (TFT), pixel electrode etc..
When display base plate is to box substrate, circuitous pattern layer 200 may include public electrode.
As the second aspect of the invention, a kind of display panel is provided, as shown in Fig. 2, the display panel includes battle array
Column substrate to box substrate and is filled in the array substrate and the display medium between box substrate, wherein the array
Substrate and it is described at least one of box substrate be above-mentioned display base plate provided by the present invention.
As mentioned above it is possible, can expand what the display device including the display base plate used using the display base plate
Temperature range.
In the present invention, the concrete form of display medium is not particularly limited.In specific embodiment shown in Fig. 2
In, the display medium includes display microcapsules 400.The display panel is electronic paper display panel.
As the third aspect of the invention, a kind of display panel is provided, as shown in figure 3, the display panel includes battle array
Column substrate to box substrate and is filled in the array substrate and the display microcapsules 400 between box substrate, wherein institute
Stating display panel further includes that the array substrate and second phase-change material 500 between box substrate is arranged in, this second
Phase-change material 500 can undergo phase transition and discharge heat when temperature is lower than the low temperature phase change temperature of second phase-change material, and
And second phase-change material 500 can undergo phase transition when temperature is higher than the high-temperature phase-change temperature of second phase-change material and absorb heat
Amount.
The outside of display microcapsules is arranged in second phase-change material 500, does not influence to show that the particle in microcapsules 400 moves
It is dynamic.
When the temperature of the second phase-change material 500 is lower than the low temperature phase change temperature of second phase-change material 500, the second phase transformation
The phase transformation of release heat occurs for material 500, heats to display microcapsules 400；When the temperature of the second phase-change material 500 is higher than
When the high-temperature phase-change temperature of the second phase-change material 500, the second phase-change material 500 occurs to absorb the phase transformation of heat, to the micro- glue of display
Capsule 400 cools down.
It is warm so as to expand using for display panel due to being provided with the second phase-change material 500 in the display panel
Spend range.
In the present invention, it is not particularly limited to the array substrate of display panel and to the structure of box substrate.It is preferred that
Ground, the array substrate and it is described at least one of box substrate be above-mentioned display base plate provided by the present invention.Above
The working principle of transparent phase-change material layers 300 is described in detail, which is not described herein again.
Preferably, the second phase-change material 500 can be solid-liquid phase change material, in order to prevent the second phase-change material corrosion display
Microcapsules 400, it is preferable that as shown in Figure 3, the second phase-change material 500 can be sealingly disposed in seal casinghousing 600.It is close
Capsule body 600 should be made of the good transparent material of heating conduction, for example, polyamide, polyureas, melamine-can be used
Formaldehyde etc. is at seal casinghousing 600.
Preferably, seal casinghousing 600 is spherical shape, and the diameter of seal casinghousing is between 1 micron to 10 microns.
The use temperature range of display device of electronic paper is -30 DEG C to 70 DEG C in the prior art.Therefore, the first phase of selection
The low temperature phase change temperature for becoming material can be -30 DEG C or so, and high-temperature phase-change temperature can be 70 DEG C or so.Preferably, described
Two phase-change materials may include Na2SO4·10H2O and/or CaCl2·6H2O.The low temperature phase change temperature of both materials is at -30 DEG C
Left and right, high-temperature phase-change temperature meet requirement at 70 DEG C or so.
As the fourth aspect of the invention, a kind of display device is provided, the display device includes display panel,
In, the display panel is any one of the above display panel provided by the present invention.
As mentioned above it is possible, display panel provided by the present invention have biggish use temperature range, so as to so that
It is influenced by ambient temperature smaller when using display device to obtain user, improves usage experience.
It is understood that the principle that embodiment of above is intended to be merely illustrative of the present and the exemplary implementation that uses
Mode, however the present invention is not limited thereto.For those skilled in the art, essence of the invention is not being departed from
In the case where mind and essence, various changes and modifications can be made therein, these variations and modifications are also considered as protection scope of the present invention.
Claims (12)
1. a kind of display base plate, the display base plate includes underlay substrate and the circuitous pattern that is arranged on the underlay substrate
Layer, which is characterized in that the display base plate further includes the transparent phase-change material layers that the circuitous pattern layer surface is arranged in, described
At least part of transparent phase-change material layers solid-solid phase change can occur when temperature is lower than the first preset temperature and discharge heat,
At least part of the transparent phase-change material layers solid-solid phase change can occur when temperature is higher than the second preset temperature and absorb heat
Amount.
2. display base plate according to claim 1, which is characterized in that the transparent phase-change material layers are by the first phase-change material
It being made, first phase-change material solid-solid phase change can occur when temperature is lower than first preset temperature and discharge heat,
And first phase-change material solid-solid phase change can occur when temperature is higher than second preset temperature and absorb heat.
3. display base plate according to claim 2, which is characterized in that first phase-change material includes NH4SCN、
Li2SO4、KHF2, aluminium silicon compound, in Cu-Si compound any one or it is any several.
4. display base plate according to claim 2, which is characterized in that first phase-change material includes high-density polyethylene
Alkene, polyformaldehyde, polyethylene, neopentyl glycol any one or it is any several.
5. display base plate according to claim 1, which is characterized in that the transparent phase-change material layers include low temperature phase change area
With high-temperature phase-change area, low-temperature phase-change material is provided in the low temperature phase change area, is provided with high-temperature-phase in the high-temperature phase-change area
Become material, the low-temperature phase-change material solid-solid phase change can occur when temperature is lower than first preset temperature and discharge heat
Amount, the high temperature phase change material (pcm) solid-solid phase change can occur when temperature is higher than second preset temperature and absorb heat.
6. a kind of display panel, the display panel includes array substrate, to box substrate and is filled in the array substrate and institute
It states to the display medium between box substrate, which is characterized in that the array substrate and described be at least one of box substrate
Display base plate described in any one of claim 1 to 5.
7. display panel according to claim 6, which is characterized in that the display medium includes display microcapsules.
8. a kind of display panel, the display panel includes array substrate, to box substrate and is filled in the array substrate and institute
State to the display microcapsules between box substrate, which is characterized in that the display panel further include setting in the array substrate and
Second phase-change material between box substrate, second phase-change material can be in temperature lower than second phase-change material
Solid-solid phase change occurs when low temperature phase change temperature and discharges heat, and second phase-change material can temperature be higher than this second
Solid-solid phase change occurs when the high-temperature phase-change temperature of phase-change material and absorbs heat.
9. display panel according to claim 8, which is characterized in that the display panel further includes seal casinghousing, described
In the array substrate and described between box substrate, second phase-change material is filled in the capsul for seal casinghousing setting
In body.
10. display panel according to claim 9, which is characterized in that the seal casinghousing is spherical, and the capsul
The diameter of body is between 1 micron to 10 microns.
11. the display panel according to any one of claim 8 to 10, which is characterized in that second phase-change material
Including Na2SO4·10H2O and/or CaCl2·6H2O。
12. a kind of display device, the display device includes display panel, which is characterized in that the display panel is wanted for right
Display panel described in asking any one of 6 to 11.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610868429.1A CN106168714B (en) | 2016-09-29 | 2016-09-29 | Display base plate, display panel and display device |
Applications Claiming Priority (1)
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|---|---|---|---|
| CN201610868429.1A CN106168714B (en) | 2016-09-29 | 2016-09-29 | Display base plate, display panel and display device |
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| CN106168714A CN106168714A (en) | 2016-11-30 |
| CN106168714B true CN106168714B (en) | 2019-01-29 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107946348A (en) | 2017-11-27 | 2018-04-20 | 京东方科技集团股份有限公司 | The preparation method and display device of a kind of flexible base board, flexible base board |
| CN107833980B (en) * | 2017-11-29 | 2023-09-19 | 合肥鑫晟光电科技有限公司 | Display module, manufacturing method thereof and display device |
| CN108761872A (en) * | 2018-04-11 | 2018-11-06 | 深圳市华星光电技术有限公司 | A kind of support needle and support element on substrate |
| CN110109313A (en) * | 2019-05-30 | 2019-08-09 | 北京停简单信息技术有限公司 | Electronics paper matrix group, display device and banister all-in-one machine |
| CN110306466A (en) * | 2019-06-06 | 2019-10-08 | 北京停简单信息技术有限公司 | Banister all-in-one machine |
| CN113514994A (en) * | 2021-06-30 | 2021-10-19 | 惠科股份有限公司 | Display panel, preparation method thereof and display device |
| CN113514978B (en) * | 2021-06-30 | 2022-12-23 | 惠科股份有限公司 | Display panel and manufacturing method thereof |
| CN113534319B (en) * | 2021-06-30 | 2023-07-04 | 惠科股份有限公司 | Polarizing plate and display panel |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US5896005A (en) * | 1997-01-29 | 1999-04-20 | Copytele, Inc. | High speed solid state optical display |
| US7002800B2 (en) * | 2002-01-25 | 2006-02-21 | Lockheed Martin Corporation | Integrated power and cooling architecture |
| US8018980B2 (en) * | 2010-01-25 | 2011-09-13 | Lawrence Livermore National Security, Llc | Laser diode package with enhanced cooling |
| WO2015097468A1 (en) * | 2013-12-23 | 2015-07-02 | Isis Innovation Limited | Display device based on phase-change materials |
| CN104733479B (en) * | 2015-04-13 | 2018-07-17 | 京东方科技集团股份有限公司 | Flexible substrate substrate and preparation method thereof, display base plate, display device |
| CN105446022B (en) * | 2016-01-05 | 2019-08-06 | 京东方科技集团股份有限公司 | A kind of display panel and preparation method thereof, application |
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