CN103091756A - Photonic crystal, color film substrate, display panel and display device - Google Patents
Photonic crystal, color film substrate, display panel and display device Download PDFInfo
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- CN103091756A CN103091756A CN2013100462222A CN201310046222A CN103091756A CN 103091756 A CN103091756 A CN 103091756A CN 2013100462222 A CN2013100462222 A CN 2013100462222A CN 201310046222 A CN201310046222 A CN 201310046222A CN 103091756 A CN103091756 A CN 103091756A
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/002—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of materials engineered to provide properties not available in nature, e.g. metamaterials
- G02B1/005—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of materials engineered to provide properties not available in nature, e.g. metamaterials made of photonic crystals or photonic band gap materials
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
- G02B5/201—Filters in the form of arrays
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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
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133514—Colour filters
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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
- G02F2202/00—Materials and properties
- G02F2202/32—Photonic crystals
Abstract
The invention discloses a photonic crystal, a color film substrate, a display panel and a display device and belongs to the technical field of display. A forbidden band of the photonic crystal comprises an visible waveband and defect layers are arranged in the photonic crystal. The photonic crystal comprises a red area, a green area and a blue area, the photonic crystal with a defect layer which corresponds to the red area is used for penetrating through red light, the photonic crystal with a defect layer which corresponds to the green area is used for penetrating through green light, and the photonic crystal with a defect layer which corresponds to the blue area is used for penetrating through blue light. The color film substrate and the display panel respectively comprise photonic crystal films formed by the photonic crystal. The display device comprises a display device which comprises photonic crystal films. The photonic crystal, the color film substrate, the display panel and the display device solve the technical problem that the display panel has low transmittance.
Description
Technical field
The invention belongs to display technique field, the display device that is specifically related to a kind of photonic crystal, color membrane substrates, display panel and is provided with this display panel.
Background technology
Along with the development of display technique, liquid crystal display (Liquid Crystal Display, LCD) has occupied leading position in the flat pannel display field.What in existing liquid crystal display, backlight sent is white light, after the filtration through the color film of three kinds of colors, is divided into three kinds of colors of red, green, blue.
The inventor finds in realizing process of the present invention, there is following problem at least in prior art: white light is that the photoreactivation by the different colours of multiple different frequency range forms, and through after color membrane filtration, most light has all been absorbed by color film, can only be by a kind of light of color, therefore there is the low technical matters of transmitance in existing liquid crystal panel.
Summary of the invention
The invention provides a kind of photonic crystal, color membrane substrates, display panel and display device, solved the low technical matters of existing display panel transmitance.
For achieving the above object, the following technical scheme of employing of the present invention:
A kind of photonic crystal, the forbidden band of described photonic crystal comprises visible light wave range, and is provided with defect layer in described photonic crystal;
Described photonic crystal comprises red sector, Green Zone and blue area at least, the corresponding photonic crystal with defect layer of described red sector is used for seeing through red light, the corresponding photonic crystal with defect layer in described Green Zone is used for seeing through green light, and the corresponding photonic crystal with defect layer in described blue area is used for seeing through blue light.
Described photonic crystal is 1-D photon crystal.
The material of described photonic crystal is organic material, inorganic material or organic/inorganic composite material.
A kind of color membrane substrates comprises the crystal film with photon that photonic crystal described above forms;
Described crystal film with photon is positioned at the color film below of color membrane substrates, described color membrane substrates comprises red color film, green tint film and blue color film at least, and the red sector of described crystal film with photon, Green Zone, blue area are corresponding with the position of the color film of redness, green tint film, blue color film respectively.
A kind of display panel comprises color membrane substrates described above.
A kind of display panel comprises the crystal film with photon that photonic crystal described above forms;
Also comprise polaroid and lower polaroid in described display panel, described crystal film with photon is arranged on described lower polaroid.
Described display panel also comprises color membrane substrates, described color membrane substrates comprises red color film, green tint film and blue color film at least, and described red sector, Green Zone, the blue area that is arranged on the crystal film with photon on lower polaroid is corresponding with the position of the color film of redness, green tint film, blue color film respectively.
Described display panel also comprises array base palte, and the described red sector that is arranged on the crystal film with photon on lower polaroid, Green Zone, blue area are corresponding or corresponding with three sub-pixel location of a pixel region with three pixel region positions of array base palte respectively.
A kind of display device comprises display panel described above.
Described display device also comprises backlight module, is provided with optical film material in described backlight module.
Compared with prior art, technique scheme provided by the present invention has following advantage: in the present invention, the forbidden band of crystal film with photon comprises visible light wave range, and sees through respectively red light, green light, blue light at red sector, Green Zone, the corresponding photonic crystal with defect layer in blue area.When the white light that sends when backlight arrived crystal film with photon, in certain district, the light corresponding with the defect layer color in this district can pass through, further by color film; The light of other colors can be reflected back by crystal film with photon, and through the scattering of other optical film materials such as prism film with after reflecting, the light of these colors just can pass through crystal film with photon from two other district with other colour deficient floor, further by color film again.Therefore, in technical scheme provided by the invention, the light of a kind of color in white light is by after the color film of this kind color, the light of other colors is not absorbed by color film, but can also pass through from the color film of other colors, thereby improved the transmitance of display panel, solved the low technical matters of existing display panel transmitance.
Description of drawings
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, during the below will describe embodiment, the accompanying drawing of required use is done to introduce simply, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The schematic diagram of the photonic crystal that Fig. 1 provides for embodiments of the invention;
Another schematic diagram of the photonic crystal that Fig. 2 provides for embodiments of the invention;
The schematic diagram of a kind of embodiment of the display panel that Fig. 3 provides for embodiments of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skills obtain under the prerequisite of not paying creative work belongs to the scope of protection of the invention.
Embodiment one
As shown in Figure 1, the photonic crystal that the embodiment of the present invention provides, the forbidden band of photonic crystal comprises visible light wave range, and is provided with defect layer in photonic crystal.The wavelength coverage of visible light wave range is 400-780nm, and in the present embodiment, arranging of forbidden band can be slightly wider than visible light wave range, such as being set to 350-800nm in the forbidden band, and perhaps wider scope.
This photonic crystal comprises red sector, Green Zone and blue area at least, the corresponding photonic crystal with defect layer of red sector is used for seeing through red light, the corresponding photonic crystal with defect layer in Green Zone is used for seeing through green light, and the corresponding photonic crystal with defect layer in blue area is used for seeing through blue light.
Further, this photonic crystal comprises red sector, Green Zone, He Huang district, blue area, the corresponding photonic crystal with defect layer of red sector is used for seeing through red light, the corresponding photonic crystal with defect layer in Green Zone is used for seeing through green light, the corresponding photonic crystal with defect layer in blue area is used for seeing through blue light, and the corresponding photonic crystal with defect layer in yellow district is used for seeing through sodium yellow.The district that certainly, can also comprise other colors.
As a preferred version, photonic crystal is 1-D photon crystal.As shown in Figure 2, the inner structure of 1-D photon crystal is materials A and the B alternative arrangement of two kinds of different refractivities, forms the forbidden band of visible light wave range, adds therein the third material D, just can make photonic crystal produce defect layer.In 1-D photon crystal, by adjusting the thickness of photonic crystal and layers of material thereof, just can change the band limits of its forbidden band and defect layer.
Optionally, in the embodiment of the present invention, photonic crystal can be made by organic material, also can be made by inorganic material, and can be also to be made by organic/inorganic composite material.
Photonic crystal in the present embodiment can be used to form crystal film with photon, is arranged in color membrane substrates, array base palte or display panel, is used for improving the transmitance of light.
Embodiment two
The embodiment of the present invention also provides a kind of color membrane substrates, comprises the crystal film with photon that the described photonic crystal of embodiment one forms;
Described crystal film with photon is positioned at the color film below of color membrane substrates, described color membrane substrates comprises red color film, green tint film and blue color film at least, and the red sector of described crystal film with photon, Green Zone, blue area are corresponding with the position of the color film of redness, green tint film, blue color film respectively.
When described photonic crystal comprised red sector, Green Zone, He Huang district, blue area, described color membrane substrates comprised red color film, green tint film, blue color film and yellow color film.
Color membrane substrates in the present embodiment is provided with crystal film with photon, in the time of in being applied to display device, can improve the light penetration of display device.
Embodiment three
Embodiments of the invention provide a kind of display panel, comprise the described color membrane substrates of embodiment two.
Embodiments of the invention also provide another display panel, comprise the crystal film with photon that the described photonic crystal of embodiment one forms;
Also comprise polaroid and lower polaroid in described display panel, described crystal film with photon is arranged on described lower polaroid.Crystal film with photon both can be arranged on the top of lower polaroid, also can be arranged on the below of lower polaroid.
Described display panel also comprises color membrane substrates, the described color membrane substrates of described color membrane substrates comprises red color film, green tint film and blue color film at least, and described red sector, Green Zone, the blue area that is arranged on the crystal film with photon on lower polaroid is corresponding with the position of the color film of redness, green tint film, blue color film respectively.In an embodiment of the present invention, crystal film with photon is arranged on lower polaroid, so that the one-piece construction of display panel is more simple, compact.Certainly, after crystal film with photon and lower polaroid are set together, will note red sector, Green Zone, the blue area of crystal film with photon corresponding with the position of the color film of redness, green tint film, blue color film respectively when in display panel, lower polaroid being set.
Described display panel also comprises array base palte, the described red sector that is arranged on the crystal film with photon on lower polaroid, Green Zone, blue area are corresponding or corresponding with three sub-pixel location of a pixel region with three pixel region positions of array base palte respectively, and the red sector, Green Zone, the blue area that are arranged on the crystal film with photon on lower polaroid this moment are preferably corresponding with the position of the color film of redness, green tint film, blue color film.
Display panel in the present embodiment is provided with crystal film with photon, in the time of in being applied to display device, can improve the light penetration of display device.
Embodiment four
The embodiment of the present invention provides a kind of display device, comprises the described display panel of above-described embodiment three.
Also comprise backlight module in described display device, be provided with optical film material in described backlight module, such as prism film etc.
The display device that the embodiment of the present invention provides can be any product or parts with Presentation Function such as Electronic Paper, oled panel, LCD TV, liquid crystal display, digital album (digital photo frame), mobile phone, panel computer.
The display device that provides due to the embodiment of the present invention has identical technical characterictic with photonic crystal and the display panel that the invention described above embodiment provides, so also can produce identical technique effect, solves identical technical matters.
the described display device of the embodiment of the present invention can be liquid crystal indicator, as shown in Figure 3, the liquid crystal indicator of the embodiment of the present invention comprises array base palte, color membrane substrates and sandwiched liquid crystal layer therebetween, its back side is provided with backlight module, described backlight module comprises backlight 1, prism film 2, diffusion barrier 3, described color membrane substrates 71 upper surfaces are provided with polaroid 5, described array base palte 72 lower surfaces are provided with lower polaroid 6, be provided with color film 4 on described color membrane substrates 71, be respectively red color film, the green tint film, the blue color film, also include the crystal film with photon 8 that the photonic crystal in above-described embodiment forms in this liquid crystal indicator.Red color film, green tint film, blue color film are corresponding with red sector, Green Zone, the position, blue area of crystal film with photon respectively.The preparation process of crystal film with photon 8 uses existing film technique to get final product, such as sputter, thermal evaporation, organic coat, inkjet printing etc.Crystal film with photon 8 is positioned at color film 4 belows of liquid crystal panel, and the red sector of crystal film with photon 8, Green Zone, blue area are corresponding with the position of the color film R of redness, green tint film G, blue color film B respectively.
In the embodiment of the present invention, the forbidden band of crystal film with photon 8 comprises visible light wave range, and sees through respectively red light, green light, blue light at red sector, Green Zone, the corresponding photonic crystal with defect layer in blue area.The white light that sends when backlight 1 is by prism film 2, when lower polaroid 6 arrives crystal film with photon 8, and take red sector as example, the red light corresponding with the defect layer color of red sector can be passed through from crystal film with photon 8, and further by color film 4 and upper polaroid 5.Remaining green light and blue light can be reflected back by crystal film with photon 8, through the scattering of other optical film materials such as diffusion barrier 3, prism film 2 with after reflecting again, these green light and blue light just can pass through crystal film with photon 8 from Green Zone, blue area with green defect layer and blue defect layer respectively, and further by color film 4 and upper polaroid 5.The white light that backlight 1 sends is also identical with red sector in the situation of Green Zone and blue area.
Therefore, in the liquid crystal indicator that the embodiment of the present invention provides, the light of a kind of color in white light is by after the color film of this kind color, the light of other colors is not absorbed by color film, but can also pass through from the color film of other colors, thereby improved the transmitance of liquid crystal panel, solved the low technical matters of existing transmissivity of liquid crystal display panel.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited to this, anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement are within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claim.
Claims (10)
1. photonic crystal, it is characterized in that: the forbidden band of described photonic crystal comprises visible light wave range, and is provided with defect layer in described photonic crystal;
Described photonic crystal comprises red sector, Green Zone and blue area at least, the corresponding photonic crystal with defect layer of described red sector is used for seeing through red light, the corresponding photonic crystal with defect layer in described Green Zone is used for seeing through green light, and the corresponding photonic crystal with defect layer in described blue area is used for seeing through blue light.
2. photonic crystal according to claim 1, it is characterized in that: described photonic crystal is 1-D photon crystal.
3. photonic crystal according to claim 1, it is characterized in that: the material of described photonic crystal is organic material, inorganic material or organic/inorganic composite material.
4. a color membrane substrates, is characterized in that: comprise the crystal film with photon that the described photonic crystal of claims 1 to 3 any one forms;
Described crystal film with photon is positioned at the color film below of color membrane substrates, described color membrane substrates comprises red color film, green tint film and blue color film at least, and the red sector of described crystal film with photon, Green Zone, blue area are corresponding with the position of the color film of redness, green tint film, blue color film respectively.
5. a display panel, is characterized in that: comprise color membrane substrates claimed in claim 4.
6. a display panel, is characterized in that: comprise the crystal film with photon that the described photonic crystal of claims 1 to 3 any one forms;
Also comprise polaroid and lower polaroid in described display panel, described crystal film with photon is arranged on described lower polaroid.
7. display panel according to claim 6, it is characterized in that: described display panel also comprises color membrane substrates, described color membrane substrates comprises red color film, green tint film and blue color film at least, and described red sector, Green Zone, the blue area that is arranged on the crystal film with photon on lower polaroid is corresponding with the position of the color film of redness, green tint film, blue color film respectively.
8. display panel according to claim 7, it is characterized in that: described display panel also comprises array base palte, and the described red sector that is arranged on the crystal film with photon on lower polaroid, Green Zone, blue area are corresponding or corresponding with three sub-pixel location of a pixel region with three pixel region positions of array base palte respectively.
9. a display device, is characterized in that: comprise the described display panel of claim 5 to 8 any one.
10. display device according to claim 9, is characterized in that, also comprises backlight module, is provided with optical film material in described backlight module.
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CN201310046222.2A CN103091756B (en) | 2013-02-05 | 2013-02-05 | Photonic crystal, color membrane substrates, display panel and display device |
PCT/CN2013/074615 WO2014121559A1 (en) | 2013-02-05 | 2013-04-24 | Photonic crystal, color film substrate, display panel, and display device |
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CN108919554B (en) * | 2018-07-26 | 2022-08-26 | 京东方科技集团股份有限公司 | Reflective display substrate, manufacturing method thereof and display panel |
CN108919554A (en) * | 2018-07-26 | 2018-11-30 | 京东方科技集团股份有限公司 | Reflection type display substrate and its manufacturing method, display panel |
WO2020108558A1 (en) * | 2018-11-29 | 2020-06-04 | 京东方科技集团股份有限公司 | Organic light-emitting diode display substrate and fabrication method thereof and display device |
US11362149B2 (en) | 2018-11-29 | 2022-06-14 | Boe Technology Group Co., Ltd. | Organic light emitting diode display substrate having a band gap layer and manufacturing method thereof |
US11910688B2 (en) | 2018-11-29 | 2024-02-20 | Boe Technology Group Co., Ltd. | Organic light emitting diode display substrate having band gap layer, manufacturing method thereof, and display device |
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WO2014121559A1 (en) | 2014-08-14 |
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