CN102830526A - Display panel and display device - Google Patents
Display panel and display device Download PDFInfo
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- CN102830526A CN102830526A CN2012103303789A CN201210330378A CN102830526A CN 102830526 A CN102830526 A CN 102830526A CN 2012103303789 A CN2012103303789 A CN 2012103303789A CN 201210330378 A CN201210330378 A CN 201210330378A CN 102830526 A CN102830526 A CN 102830526A
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Abstract
The invention provides a display panel and a display device. The display panel is provided with an upper substrate, a lower substrate, a polymer dispersed liquid crystal (PDLC) layer between the upper substrate and the lower substrate, and a colorful film for displaying primary color; the colorful film layer is arranged between the upper substrate and the PDLC layer; and an electrochromatic material is filled in the colorful film layer. By applying voltage, the PDLC layer is controlled to display different gray levels and a transparent electrode layer controls the color film layer to display the primary color, so as to effectively improve the light transmittance of the PDLC display panel and further improve the display quality of the colorful PDLC display panel.
Description
Technical field
The present invention relates to technical field of liquid crystal display, specifically can relate to a kind of display panel and display device.
Background technology
PDLC (PDLC) display panel since its need not polaroid, oriented layer, make easily and can realize characteristics such as flexible demonstration, in transparent and flexible demonstration field good application prospects is arranged.
The PDLC layer is that the micromolecule liquid crystal is mixed with prepolymer mutually; Under certain condition through polyreaction; Forming micron-sized liquid crystal droplet is evenly dispersed in the macromolecule network; Utilize the dielectric anisotropy of liquid crystal molecule to obtain the material with electro-optic response characteristic again, it operates mainly between scattering states and the clear state and has certain gray scale.
And in the existing colored PDLC display panel, realize that by the dye coating of filling color dyestuff the colour of PDLC display panel shows.
But, the coloured dye of filling in the existing colored PDLC display panel dye coating, its light penetration is merely 25-30% usually, and the colour that dye coating combines with the PDLC layer is shown its transmitance can further reduce.
Summary of the invention
The present invention provides a kind of display panel and display device, thereby effectively improves the light penetration of colored PDLC display panel, closely improves the display quality of colored PDLC display panel.
Technical scheme provided by the invention can be as follows:
The embodiment of the invention provides a kind of display panel, comprises upper substrate, infrabasal plate and the PDLC PDLC layer between two substrates; Said display panel also comprises:
Be used to appear the color rete of primary colors, said color rete is filled with electrochromic material in the said color rete between upper substrate and PDLC layer;
Be used for controlling the PDLC layer and presenting different gray scales and control the transparent electrode layer that color rete presents primary colors through applying voltage.
Preferably, when the transparent electrode layer of said electrochromic material in said color rete both sides do not apply voltage, be pellucidity.
Preferably, said electrochromic material is viologen class material, polythiophene class material or polyaniline compound material.
Preferably, said color rete is the individual layer setting, is used to appear different primary colors.
Preferably, in the said display panel, comprise three layers of transparent electrode layer at least, be arranged between upper substrate and the color rete respectively, between color rete and the PDLC layer and between PDLC layer and the infrabasal plate.
Preferably, in the said display panel, comprise three layers of color rete at least, wherein, the color rete of each layer is used to appear a kind of primary colors.
Preferably, in the said display panel, comprise five layers of transparent electrode layer at least, be arranged between upper substrate and the color rete respectively, between PDLC layer and the color rete, between PDLC layer and the infrabasal plate and between each color rete near the PDLC layer near upper substrate.
Preferably, the material of said transparent electrode layer is nano indium tin metal oxide or 3,4-enedioxy thiophen polymer.
Preferably, the material of said upper substrate and infrabasal plate is glass or plastics.
The embodiment of the invention also provides a kind of display device, said display device comprise that the invention described above embodiment provides display panel.
Can find out that from the above display panel provided by the invention and display device are through being provided with upper substrate, infrabasal plate and the PDLC PDLC layer between two substrates; And the color rete that is used to appear primary colors, said color rete is filled with electrochromic material in the said color rete between upper substrate and PDLC layer; Be used for controlling the PDLC layer and presenting different gray scales and control the transparent electrode layer that color rete presents primary colors, thereby effectively improve the light penetration of colored PDLC display panel through applying voltage, near and improve the display quality of colored PDLC display panel.
Description of drawings
The display panel structure synoptic diagram one that Fig. 1 provides for the embodiment of the invention;
Related PDLC layer principle of work synoptic diagram one in the display panel that Fig. 2 provides for the embodiment of the invention;
Related PDLC layer principle of work synoptic diagram two in the display panel that Fig. 3 provides for the embodiment of the invention;
The display panel structure synoptic diagram two that Fig. 4 provides for the embodiment of the invention;
The display panel that Fig. 5 provides for the embodiment of the invention rete of prizing adds electrochromics synoptic diagram one;
The display panel that Fig. 6 provides for the embodiment of the invention rete of prizing adds electrochromics synoptic diagram two;
The display panel that Fig. 7 provides for the embodiment of the invention rete of prizing adds electrochromics synoptic diagram three;
The display panel that Fig. 8 provides for the embodiment of the invention rete of prizing adds electrochromics synoptic diagram four.
Embodiment
A kind of display panel that the embodiment of the invention provides, shown in accompanying drawing 1, it specifically can comprise upper substrate 1, infrabasal plate 2 and the PDLC between two substrates (PDLC) layer 3;
And:
Between upper substrate 1 and PDLC layer 3, be used to appear the color rete 4 of primary colors, be filled with electrochromic material in the color rete 4;
Be used for controlling PDLC layer 3 and presenting different gray scales and control the transparent electrode layer that color rete 4 presents primary colors (be accompanying drawing 1 Reference numeral 51,52, shown in 53) through applying voltage.
The realization of the display panel that the embodiment of the invention provides can effectively improve the light penetration of colored PDLC display panel, and is near and improve the display quality of colored PDLC display panel.
The principle of work of the PDLC layer that the embodiment of the invention is related can be like accompanying drawing 2, shown in 3; Wherein, Fig. 2 is that the transparency electrode that is arranged in PDLC layer both sides (for example 52 of accompanying drawing 1,53) is in not "on" position, at this moment; The liquid crystal molecule that polymkeric substance is wrapped in (being positioned at circle) is irregular distribution; Show as isotropy, and this moment, polymkeric substance had the scattering property to light (it is outer to be positioned at circle); Shown in accompanying drawing 3, when transparency electrode powers up (52,53 exist voltage difference, and the voltage difference direction is shown in Fig. 3 right side arrow), the positivity liquid crystal molecule shows as clear state vertical orientated this moment under electric field.Be positioned at the voltage of PDLC layer both sides transparency electrode like this through adjusting, thereby realize the change of the different gray scale of PDLC layer.
And but color rete 4 its inner correspondences are filled with electrochromic material, for example redness, blueness, green electrochromic material etc.And the electrochromic material that the embodiment of the invention is related when the transparent electrode layer in color rete 4 both sides does not apply voltage, is pellucidity, and light is passed through, and has high light penetration, for example greater than 80%.
And when needs PDLC display panel display color; Can through for the transparency electrode of color rete 4 both sides (for example in the accompanying drawing 1 shown in 51,52) apply different voltages with different (for example 1-3V); Thereby make the both sides of color rete 4 voltage difference occur; And then make in the color rete 4 and electric current occurs, electrochromic material is become by pellucidity present the primary colors state.
When concrete the realization, the related electrochromic material of the embodiment of the invention specifically can be viologen class material, polythiophene class material or polyaniline compound material etc.
When color rete 4 individual layers were provided with, the multiple electrochromic material that is used to appear different primary colors was filled in the position that this coloured silk rete 4 can be preset within it, and for example red electrochromic material, blueness are sent a telegraph variable color, green electrochromic material or the like.Thereby realize that color rete 4 presents different primary colors.
Promptly when color rete 4 is provided with for individual layer, can be according to PDLC display panel imaging needs, at its preset position, the electrochromic material that the primary colors that filling need appear is corresponding.
Illustrate; In three adjacent successively zones of the color rete 4 that individual layer is provided with, fill red electrochromic material respectively, blueness is sent a telegraph variable color, green electrochromic material, so these three zones that can present different primary colors respectively; Can form a sub-pixel regions; And in the color rete 4 that individual layer is provided with, can a plurality of similar subpixel area be set according to PDCL display panel pixel to display.
Like this, can apply different voltages with different, thereby control PDLC layer 3 presents different gray scales, and control color rete 4 and present corresponding primary colors through transparent electrode layer for color rete 4, PDLC layer 3 both sides.
Here need to prove; In the PDLC display panel shown in the accompanying drawing 1; Transparency electrode 52 between color rete 4 and PDLC layer 3; Specifically can form, thereby realize control respectively color rete 4 and PDLC layer 3 by the electrode that a transparency carrier and transparency carrier upper and lower surfaces (promptly respectively near color rete 4 and PDLC layer 3 one side) are provided with.
When color rete 4 is provided with for multilayer (shown in accompanying drawing 4; Accompanying drawing 4 is depicted as the PDLC display panel need show three primary colors); Fill the corresponding electrochromic material of a kind of primary colors in the color rete 4 of each layer; For example in the accompanying drawing 4, can fill red electrochromic material in the color rete 41, to be used to making color rete 41 present redness; Can fill green electrochromic material in the color rete 42, to be used to making color rete 42 present green; Can fill blue electrochromic material in the color rete 43, to be used to making color rete 43 present blueness.
Like this; Can be through (three zones that are used to appear different primary colors in the sub-pixel regions in the color rete 4 of individual layer setting soon of cooperatively interacting between three layers of color rete; Be arranged at respectively in three layers of color rete 4; Through the stack of three layers of color rete 4, thereby form a sub-pixel regions), thus the colour of realizing the PDCL display panel shows.
And the color rete 4 that is provided with corresponding to multilayer; In the embodiment of the invention; Also multi-layer transparent electrode layer 5 can be set, be arranged between upper substrate 1 and the color rete 4 respectively, between PDLC layer 3 and the color rete 4, between PDLC layer 3 and the infrabasal plate 2 and between each color rete 4 near PDLC layer 3 near upper substrate 1.
With accompanying drawing 4 is example; In the embodiment of the invention at least five layers of transparent electrode layer 5 can be set, comprising upper substrate 1 and near the transparency electrode 55 between the transparency electrode 54 between the transparency electrode 53 between the transparency electrode 52 between the transparency electrode 51 between the color rete 43 of upper substrate 1, color rete 43 and the color rete 42, color rete 42 and the color rete 41, color rete 41 and the PDLC layer 3, PDLC layer 3 and the infrabasal plate 2.
Like this, can apply different voltages with different, thereby control PDLC layer 3 presents different gray scales, and control the primary colors that color rete 41,42,43 presents correspondence through transparent electrode layer for color rete 41,42,43 and PDLC layer 3 both sides.
Equally, be in the transparency electrode 53,52 between two color retes (for example 41 and 42,42 and 43 in the accompanying drawing 4) and be in the transparency electrode 54 between color rete 41 and the PDCL layer 3, also can form by the electrode that transparency carrier and upper and lower surfaces thereof are provided with.
When concrete the realization; When the transparency electrode (51 to 54) of color rete 41,42,43 both sides when all applying different voltages with different, shown in accompanying drawing 5, each color rete all presents each self-corresponding primary colors; For example; Color rete 41 presents that redness, color rete 42 present green, color rete 43 presents blueness, and this moment, PDLC display panel integral body presents black.
When the transparency electrode (53,54) of color rete 41 both sides applies different voltages with different and the transparency electrode of color rete 42,43 both sides when not applying voltage; Shown in accompanying drawing 6; Color rete 41 presents redness; And color rete 42,43 is not because both sides have voltage difference to exist, and therefore the electrochromic material in the two color retes is pellucidity (do not influence the red light that color rete 41 appears and pass color rete 42,43), and promptly color rete 42,43 does not present primary colors; And this moment, PDLC display panel integral body presents redness.
When the transparency electrode (52,53) of color rete 42 both sides applies different voltages with different and the transparency electrode of color rete 41,43 both sides when not applying voltage; Shown in accompanying drawing 7, color rete 42 presents green, and color rete 41,43 is not because both sides have voltage difference to exist; Therefore the electrochromic material in the two color retes is pellucidity (do not influence the green light that color rete 42 appears and pass color rete 43); Be that color rete 41,43 does not present primary colors, and this moment, PDLC display panel integral body presents green.
When the transparency electrode (51,52) of color rete 43 both sides applies different voltages with different and the transparency electrode of color rete 41,42 both sides when not applying voltage; Shown in accompanying drawing 8, color rete 43 presents blueness, and color rete 41,42 is not because both sides have voltage difference to exist; Therefore the electrochromic material in the two color retes is a pellucidity; Be that color rete 41,42 does not present primary colors, and this moment, PDLC display panel integral body presents blueness.
When other multilayers coloured silk retes 4 were set in the display panel that the embodiment of the invention provided, it realized colored process and above-mentioned similar, therefore repeats no more.
In the display panel that the embodiment of the invention provides, the material of upper substrate 1 or infrabasal plate 2 specifically can be glass or plastics etc.
The material of the transparent electrode layer that the embodiment of the invention is related specifically can be nano indium tin metal oxide (ITO) or other organic polymer transparent conductive materials, and for example 3,4-enedioxy thiophen polymer (PEDOT) etc.
In the embodiment of the invention, the display panel based on the embodiment of the invention provides also provides a kind of display device, and this display device specifically can comprise the display panel that the invention described above embodiment provides.Said display device can have the product or the parts of any Presentation Function for LCD, LCD TV, DPF, mobile phone, panel computer etc.
Can find out that from the above display panel that the embodiment of the invention provides and display device are through being provided with upper substrate, infrabasal plate and the PDLC layer between two substrates; And the color rete that is used to appear primary colors, said color rete is filled with electrochromic material in the said color rete between upper substrate and PDLC layer; Be used for controlling the PDLC layer and presenting different gray scales and control the transparent electrode layer that color rete presents primary colors, thereby effectively improve the light penetration of colored PDLC display panel through applying voltage, near and improve the display quality of colored PDLC display panel.
The above only is an embodiment of the present invention; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; Can also make some improvement and retouching, these improvement and retouching also should be regarded as protection scope of the present invention.
Claims (10)
1. a display panel comprises upper substrate, infrabasal plate and the PDLC PDLC layer between two substrates; It is characterized in that said display panel also comprises:
Be used to appear the color rete of primary colors, said color rete is filled with electrochromic material in the said color rete between upper substrate and PDLC layer;
Be used for controlling the PDLC layer and presenting different gray scales and control the transparent electrode layer that color rete presents primary colors through applying voltage.
2. display panel as claimed in claim 1 is characterized in that, when the transparent electrode layer of said electrochromic material in said color rete both sides do not apply voltage, is pellucidity.
3. according to claim 1 or claim 2 display panel is characterized in that said electrochromic material is viologen class material, polythiophene class material or polyaniline compound material.
4. display panel as claimed in claim 1 is characterized in that, said color rete is the individual layer setting, is used to appear different primary colors.
5. display panel as claimed in claim 4 is characterized in that, in the said display panel, comprises three layers of transparent electrode layer at least, is arranged between upper substrate and the color rete respectively, between color rete and the PDLC layer and between PDLC layer and the infrabasal plate.
6. display panel as claimed in claim 1 is characterized in that, in the said display panel, comprises three layers of color rete at least, and wherein, the color rete of each layer is used to appear a kind of primary colors.
7. display panel as claimed in claim 6; It is characterized in that; In the said display panel; At least comprise five layers of transparent electrode layer, be arranged between upper substrate and the color rete respectively, between PDLC layer and the color rete, between PDLC layer and the infrabasal plate and between each color rete near the PDLC layer near upper substrate.
8. display panel as claimed in claim 1 is characterized in that, the material of said transparent electrode layer is nano indium tin metal oxide or 3,4-enedioxy thiophen polymer.
9. display panel as claimed in claim 1 is characterized in that, the material of said upper substrate and infrabasal plate is glass or plastics.
10. a display device is characterized in that, said display device comprises each described display panel of said claim 1 to 9.
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| CN201210330378.9A CN102830526B (en) | 2012-09-07 | 2012-09-07 | Display panel and display device |
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| CN201210330378.9A CN102830526B (en) | 2012-09-07 | 2012-09-07 | Display panel and display device |
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| CN103412434A (en) * | 2013-07-31 | 2013-11-27 | 京东方科技集团股份有限公司 | Transparent displaying device and manufacturing method thereof |
| CN103439846A (en) * | 2013-08-23 | 2013-12-11 | 京东方科技集团股份有限公司 | Display panel and display device |
| CN104360526A (en) * | 2014-11-17 | 2015-02-18 | 张家港康得新光电材料有限公司 | Electric control dimming film |
| CN104536188A (en) * | 2015-01-27 | 2015-04-22 | 京东方科技集团股份有限公司 | Transparent display device and manufacturing method thereof |
| CN105204215A (en) * | 2015-09-16 | 2015-12-30 | 上海玮舟微电子科技有限公司 | Multi-path power control system and method for PDLC (Polymer Dispersed Liquid Crystal) dimming films |
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| CN106950759A (en) * | 2017-03-29 | 2017-07-14 | 京东方科技集团股份有限公司 | The preparation method of display panel, display device and display panel |
| US9860523B2 (en) | 2013-09-29 | 2018-01-02 | Boe Technology Group Co., Ltd. | Slit grating structure and display device |
| CN109100898A (en) * | 2018-10-22 | 2018-12-28 | 五邑大学 | A kind of electrochromic display device of colour |
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| CN104360526B (en) * | 2014-11-17 | 2017-11-28 | 张家港康得新光电材料有限公司 | Electric-controlled light-regulating film |
| CN104360526A (en) * | 2014-11-17 | 2015-02-18 | 张家港康得新光电材料有限公司 | Electric control dimming film |
| CN104536188B (en) * | 2015-01-27 | 2018-06-26 | 京东方科技集团股份有限公司 | Transparent display and preparation method thereof |
| CN104536188A (en) * | 2015-01-27 | 2015-04-22 | 京东方科技集团股份有限公司 | Transparent display device and manufacturing method thereof |
| CN106292017B (en) * | 2015-06-05 | 2021-05-04 | 中兴通讯股份有限公司 | Deflection device, intelligent terminal setting method and intelligent terminal display method |
| CN106292017A (en) * | 2015-06-05 | 2017-01-04 | 中兴通讯股份有限公司 | A kind of arrangement for deflecting, intelligent terminal and intelligent terminal's method to set up, display packing |
| CN105204215B (en) * | 2015-09-16 | 2019-10-18 | 上海玮舟微电子科技有限公司 | A kind of PDLC light modulation film multiple power supplies control system and method |
| CN105204215A (en) * | 2015-09-16 | 2015-12-30 | 上海玮舟微电子科技有限公司 | Multi-path power control system and method for PDLC (Polymer Dispersed Liquid Crystal) dimming films |
| CN106950759A (en) * | 2017-03-29 | 2017-07-14 | 京东方科技集团股份有限公司 | The preparation method of display panel, display device and display panel |
| US10901274B2 (en) | 2017-03-29 | 2021-01-26 | Boe Technology Group Co., Ltd. | Display panel, display device and method of manufacturing display panel |
| CN109100898A (en) * | 2018-10-22 | 2018-12-28 | 五邑大学 | A kind of electrochromic display device of colour |
| CN109100898B (en) * | 2018-10-22 | 2024-01-12 | 五邑大学 | Color electrochromic display device |
| WO2021082236A1 (en) * | 2019-10-28 | 2021-05-06 | 惠州市华星光电技术有限公司 | Display device and driving method therefor |
| CN113376889A (en) * | 2021-06-15 | 2021-09-10 | Oppo广东移动通信有限公司 | Electrochromic device based on polymer dispersed liquid crystal, preparation method and electronic equipment |
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