CN105093663A - Display panel, manufacturing method thereof and display device - Google Patents
Display panel, manufacturing method thereof and display device Download PDFInfo
- Publication number
- CN105093663A CN105093663A CN201510605296.4A CN201510605296A CN105093663A CN 105093663 A CN105093663 A CN 105093663A CN 201510605296 A CN201510605296 A CN 201510605296A CN 105093663 A CN105093663 A CN 105093663A
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- CN
- China
- Prior art keywords
- display panel
- hyaline layer
- pyrometric cone
- refractive index
- black matrix
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- 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
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133512—Light shielding layers, e.g. black matrix
-
- 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
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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)
- Optical Elements Other Than Lenses (AREA)
- Mechanical Light Control Or Optical Switches (AREA)
Abstract
The invention relates to the technical field of display and discloses a display panel. The display panel comprises a black matrix. The black matrix comprises a first transparent layer and a second transparent layer. One surface of the first transparent layer is provided with a plurality of equilateral triangle cone structures distributed continuously. The second transparent layer is formed on the equilateral triangle cone structures. The refractive index of the first transparent layer is smaller than that of the second transparent layer; the refractive index of the first transparent layer is larger than that of the light, illuminated into the previous layer of material of the first transparent layer, in the display panel. The black matrix of the display panel is provided with the special equilateral triangle cone structures, the light illuminated on the black matrix is reflected back to be reused, and therefore the light out-coupling efficiency is improved.
Description
Technical field
The present invention relates to display technique field, particularly a kind of display panel and preparation method thereof, display device.
Background technology
In flat pannel display industry, by promoting the light emission rate of light, be an important means of improving product quality.Researcher promotes light emission rate by different modes, such as: by improving euphotic penetrance and increasing the modes such as aperture opening ratio.But make owing to adopting black material for the black matrix of shading in display panel, have absorption to light, by this part light that black matrix absorbs, transmission cannot go out again, reduce the light emission rate of light to a certain extent.
Summary of the invention
(1) technical matters that will solve
The technical problem to be solved in the present invention is: the light emission rate how improving display panel.
(2) technical scheme
For solving the problems of the technologies described above, the invention provides a kind of display panel, comprise black matrix, described black matrix comprises: the first hyaline layer and the second hyaline layer, a wherein surface of described first hyaline layer is formed with the positive pyrometric cone structure of some continuous distribution, second hyaline layer is formed on described positive pyrometric cone structure, and the refractive index of described first hyaline layer is less than the refractive index of the second hyaline layer; And the refractive index of the first hyaline layer is greater than the refractive index that light in display panel incides the front layer of material of the first hyaline layer.
Wherein, the material of described first hyaline layer and the second hyaline layer is photoresist.
Present invention also offers a kind of display device, comprise above-mentioned display panel.
Wherein, also comprise the backlight module being positioned at described display panel incident side, the size of described positive pyrometric cone is greater than the size of nano particle in light guide plate in described backlight module.
Present invention also offers a kind of display panel method for making, the wherein substrate being included in display panel makes black matrix, and described black matrix making step is as follows:
Form the transparent material of first refractive rate on the substrate, and its surface pressure is printed as the figure of the positive pyrometric cone of continuous distribution, with Post RDBMS;
The transparent material forming the second refractive index on described positive pyrometric cone to fill coining pattern, with Post RDBMS.
Wherein, employing utilizes nanometer embossing that the transparent material surface of first refractive rate is embossed into the figure of positive pyrometric cone.
Wherein, transparent material is photoresist.
Wherein, the described transparent material forming first refractive rate on the substrate, and the step its surface pressure being printed as the figure of the positive pyrometric cone of continuous distribution specifically comprises:
Form the photoresist of first refractive rate on the substrate;
Process is cured to the photoresist of described first refractive rate, and when semi-cured state, adopts nanometer embossing to become the figure of the positive pyrometric cone of continuous distribution at its surperficial coining.
Wherein, the transparent material forming the second refractive index on described positive pyrometric cone specifically comprises with the step of filling coining pattern: on described positive pyrometric cone, form the photoresist of the second refractive index to fill coining pattern, and solidify.
(3) beneficial effect
The black matrix of display panel of the present invention has the special layers structure of triangular pyramidal, and the light being irradiated to black matrix is reflected back and again utilizes, thus improves the light emission rate of light.
Accompanying drawing explanation
Fig. 1 is the structural representation of black matrix in the display panel of the embodiment of the present invention;
Fig. 2 is the enlarged diagram of positive pyrometric cone in the black matrix of Fig. 1;
Fig. 3 is a kind of display device structure schematic diagram of the embodiment of the present invention;
Fig. 4 is the another kind of display device structure schematic diagram of the embodiment of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples for illustration of the present invention, but are not used for limiting the scope of the invention.
Display panel of the present invention, comprises black matrix (BM), and as illustrated in fig. 1 and 2, black matrix comprises: the first hyaline layer 110 and the second hyaline layer 120.A wherein surface of the first hyaline layer 110 is formed with the structure of the positive pyrometric cone 111 of some continuous distribution, and namely the structure of this positive pyrometric cone 111 must be fine and close, can not occur locally flat structure, to avoid light leak.Second hyaline layer 120 is formed on the structure of described positive pyrometric cone 111.The refractive index of the first hyaline layer 110 is less than the refractive index of the second hyaline layer 120, and the refractive index of the first hyaline layer 110 is greater than the refractive index that light in display panel incides the front layer of material of the first hyaline layer 110, to ensure that light enters BM and enters optically denser medium from optically thinner medium thus realize the opposite direction reflection of light from device.
The black matrix of display panel of the present invention has the special layers structure of positive triangular pyramidal, utilizes positive pyrometric cone prism along the principle of the direction total reflection light of incident ray, thus light can be made again to be utilized, thus improves the light emission rate of light.And light can not be made in period inner diffuse reflection to cause the principle of colour contamination.
The material of described first hyaline layer and the second hyaline layer is photoresist (the photoresist refractive index of different materials is different) or other transparent materials.
Present invention also offers above-mentioned display panel method for making, the wherein substrate being included in display panel makes black matrix, and described black matrix making step is as follows:
Step one, forms the transparent material of first refractive rate on the substrate, and its surface pressure is printed as the figure of the positive pyrometric cone of continuous distribution.
Step 2, forms the transparent material of the second refractive index to fill coining pattern on described positive pyrometric cone.
Wherein, in step one, employing utilizes nanometer embossing that the transparent material surface of first refractive rate is embossed into the figure of positive pyrometric cone.
In the present embodiment, transparent material is photoresist (being not limited to photoresist).Now step one specifically comprises:
Form the photoresist of first refractive rate on the substrate.
Process is cured to the photoresist of described first refractive rate, and when semi-cured state, adopts nanometer embossing to become the figure of the positive pyrometric cone of continuous distribution at its surperficial coining, with Post RDBMS, with solid shape.
Step 2 specifically comprises: on positive pyrometric cone, form the photoresist of the second refractive index to fill coining pattern, and solidify.
Present invention also offers the display device that a kind of display device comprises above-mentioned display panel.Display device can be: any product or parts with Presentation Function such as liquid crystal panel, Electronic Paper, oled panel, mobile phone, panel computer, televisor, display, notebook computer, digital album (digital photo frame), navigating instrument.
As shown in Figure 3, be the structure of liquid crystal indicator, comprise liquid crystal panel and be positioned at the backlight module of this liquid crystal panel incident side.Backlight module comprises the light guide plate 312 be formed on glass substrate 311, and light source 313 is positioned at the side (edge-type light guide plate) of light guide plate 312.Be liquid crystal 316 between the array base palte 314 of liquid crystal panel and color membrane substrates 315.Black matrix 100 on color membrane substrates 315 is the black matrix structure in Fig. 1.Wherein, positive pyrometric cone is of a size of micron dimension, and be greater than the size of nano particle in light guide plate 312 (microstructure in light guide plate), otherwise light (shown in the dotted arrow) part returned is irradiated to and the original nano particle playing scattering process can causes scattering again and make the utilization ratio of light decline.
As shown in Figure 4, be the structure of top emitting OLED display, comprise the array base palte 412 be formed on glass substrate 411, organic light emitting material 413 and color rete 414.The black matrix 100 of Fig. 1 is formed between color rete 414.Owing to being reflected by metal electrode on black matrix 100 opposite, Guang Huianyuan road returns (shown in dotted arrow), and in this case, the size of positive pyrometric cone does not have concrete requirement.
Above embodiment is only for illustration of the present invention; and be not limitation of the present invention; the those of ordinary skill of relevant technical field; without departing from the spirit and scope of the present invention; can also make a variety of changes and modification; therefore all equivalent technical schemes also belong to category of the present invention, and scope of patent protection of the present invention should be defined by the claims.
Claims (9)
1. a display panel, comprise black matrix, it is characterized in that, described black matrix comprises: the first hyaline layer and the second hyaline layer, a wherein surface of described first hyaline layer is formed with the positive pyrometric cone structure of some continuous distribution, second hyaline layer is formed on described positive pyrometric cone structure, and the refractive index of described first hyaline layer is less than the refractive index of the second hyaline layer; And the refractive index of the first hyaline layer is greater than the refractive index that light in display panel incides the front layer of material of the first hyaline layer.
2. display panel as claimed in claim 1, it is characterized in that, the material of described first hyaline layer and the second hyaline layer is photoresist.
3. a display device, is characterized in that, comprises display panel as claimed in claim 1 or 2.
4. display device as claimed in claim 3, it is characterized in that, also comprise the backlight module being positioned at described display panel incident side, the size of described positive pyrometric cone is greater than the size of nano particle in light guide plate in described backlight module.
5. a display panel method for making, the wherein substrate being included in display panel makes black matrix, and it is characterized in that, described black matrix making step is as follows:
Form the transparent material of first refractive rate on the substrate, and its surface pressure is printed as the figure of the positive pyrometric cone of continuous distribution;
The transparent material of the second refractive index is formed to fill coining pattern on described positive pyrometric cone.
6. display panel method for making as claimed in claim 5, is characterized in that, adopts and utilizes nanometer embossing that the transparent material surface of first refractive rate is embossed into the figure of positive pyrometric cone.
7. the display panel method for making as described in claim 5 or 6, is characterized in that, transparent material is photoresist.
8. display panel method for making as claimed in claim 7, is characterized in that, the described transparent material forming first refractive rate on the substrate, and the step its surface pressure being printed as the figure of the positive pyrometric cone of continuous distribution specifically comprises:
Form the photoresist of first refractive rate on the substrate;
Process is cured to the photoresist of described first refractive rate, and when semi-cured state, adopts nanometer embossing to become the figure of the positive pyrometric cone of continuous distribution at its surperficial coining, with Post RDBMS.
9. display panel method for making as claimed in claim 8, it is characterized in that, the transparent material forming the second refractive index on described positive pyrometric cone specifically comprises with the step of filling coining pattern: on described positive pyrometric cone, form the photoresist of the second refractive index to fill coining pattern, and solidify.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510605296.4A CN105093663B (en) | 2015-09-21 | 2015-09-21 | Display panel and preparation method thereof, display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510605296.4A CN105093663B (en) | 2015-09-21 | 2015-09-21 | Display panel and preparation method thereof, display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105093663A true CN105093663A (en) | 2015-11-25 |
| CN105093663B CN105093663B (en) | 2018-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510605296.4A Expired - Fee Related CN105093663B (en) | 2015-09-21 | 2015-09-21 | Display panel and preparation method thereof, display device |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108333815A (en) * | 2018-01-18 | 2018-07-27 | 深圳市志凌伟业技术股份有限公司 | A kind of touch panel having coloration reconciliation levels |
| CN110161613A (en) * | 2018-03-30 | 2019-08-23 | 京东方科技集团股份有限公司 | Backlight module and preparation method thereof, liquid crystal display device |
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| US20080062359A1 (en) * | 2006-09-12 | 2008-03-13 | Yuichi Inaba | Optical interference filter that performs excellent color separation, and liquid crystal display, electroluminescence display and projection display apparatus having the optical interference filter |
| KR20080037476A (en) * | 2006-10-26 | 2008-04-30 | 제일모직주식회사 | Filter and plasma display panel employing the same |
| CN101515081A (en) * | 2008-02-19 | 2009-08-26 | 北京京东方光电科技有限公司 | Colorized film substrate and method for manufacturing same |
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| CN104716161A (en) * | 2015-03-18 | 2015-06-17 | 京东方科技集团股份有限公司 | Black matrix, two-dimensional display and manufacturing method for black matrix |
| CN105182613A (en) * | 2015-10-29 | 2015-12-23 | 京东方科技集团股份有限公司 | Optical structure, display substrate and display device |
| CN105810718A (en) * | 2016-05-06 | 2016-07-27 | 京东方科技集团股份有限公司 | Organic light-emitting diode (OLED) display panel and fabrication method thereof |
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2015
- 2015-09-21 CN CN201510605296.4A patent/CN105093663B/en not_active Expired - Fee Related
Patent Citations (7)
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| US20080062359A1 (en) * | 2006-09-12 | 2008-03-13 | Yuichi Inaba | Optical interference filter that performs excellent color separation, and liquid crystal display, electroluminescence display and projection display apparatus having the optical interference filter |
| KR20080037476A (en) * | 2006-10-26 | 2008-04-30 | 제일모직주식회사 | Filter and plasma display panel employing the same |
| CN101515081A (en) * | 2008-02-19 | 2009-08-26 | 北京京东方光电科技有限公司 | Colorized film substrate and method for manufacturing same |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108333815A (en) * | 2018-01-18 | 2018-07-27 | 深圳市志凌伟业技术股份有限公司 | A kind of touch panel having coloration reconciliation levels |
| CN108333815B (en) * | 2018-01-18 | 2021-07-20 | 深圳市志凌伟业技术股份有限公司 | Touch panel with chromaticity blending layer |
| CN110161613A (en) * | 2018-03-30 | 2019-08-23 | 京东方科技集团股份有限公司 | Backlight module and preparation method thereof, liquid crystal display device |
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| Publication number | Publication date |
|---|---|
| CN105093663B (en) | 2018-09-14 |
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Granted publication date: 20180914 Termination date: 20210921 |