CN106773226A - Colour gamut array base palte high and liquid crystal display panel - Google Patents
Colour gamut array base palte high and liquid crystal display panel Download PDFInfo
- Publication number
- CN106773226A CN106773226A CN201710109394.8A CN201710109394A CN106773226A CN 106773226 A CN106773226 A CN 106773226A CN 201710109394 A CN201710109394 A CN 201710109394A CN 106773226 A CN106773226 A CN 106773226A
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- China
- Prior art keywords
- layer
- base palte
- array base
- colour gamut
- reflect
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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
- G02F1/133345—Insulating layers
-
- 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
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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)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention provides a kind of colour gamut array base palte high, including glass substrate, grid, gate insulator, active layer, passivation layer, source electrode, drain electrode, pixel electrode are sequentially provided with the glass substrate, the pixel electrode is connected with source electrode, source electrode and drain electrode are on active layer, on passivation layer, gate insulator and/or passivation layer in array base palte viewing area are multilayer optical film structures to the pixel electrode.Present invention also offers a kind of liquid crystal display panel, including described colour gamut array base palte high.Compared with prior art, it is multilayer optical film structures by by the gate insulator and/or passivation layer in viewing area in array base palte, can realize filtering the light of specific band (570~615nm), realize that red to backlight and green light half-wave peak width is narrowed, so as to lift the display colour gamut of LCD display panel.
Description
Technical field
The present invention relates to a kind of display technology field, particularly a kind of colour gamut array base palte high and liquid crystal display panel.
Background technology
Current colour gamut high shows the development trend for having become LCD TV, in recent years, due to ORGANIC ELECTROLUMINESCENCE DISPLAYS
The fast development of (OrganicLightEmittingDisplay, OLED) technology, LCD (Liquid Crystal Display)
Display panel faces numerous challenges.Compared with OLED, LCD display panel slimming, can the aspect such as curving, color saturation
In the presence of certain weak tendency.Due to colour gamut (NTSC high>80%) general colour gamut (72%) display is compared in display, can improve liquid crystal
Show the colour vividness of big visual angle picture color dimness (color wash out) of device and grey menu；To realize the height of LCD
Color saturation, makes liquid crystal display module have colour gamut high, and prior art is by adjusting CF or using the full LED backlight of color high
(such as containing the LED or the LED containing polychrome chip of red and green emitting phosphor) form realizes, in addition to aforesaid way, is
It is no also exist other manner can improve LCD display panel display colour gamut be one be worth research problem.
The content of the invention
To overcome the deficiencies in the prior art, the present invention to provide a kind of colour gamut array base palte high and liquid crystal display panel, so that
Improve the display colour gamut of LCD display panel.
The invention provides a kind of colour gamut array base palte high, including glass substrate, be sequentially provided with the glass substrate grid,
Gate insulator, active layer, passivation layer, source electrode, drain electrode, pixel electrode, the pixel electrode are connected with source electrode, source electrode and leakage
Pole on the active layer, the pixel electrode on passivation layer, gate insulator in array base palte viewing area and/or
Passivation layer is multilayer optical film structures.
Further, the gate insulator alternates overlapping from bottom to top by first refractive layer and the second refracting layer
Form, the refractive index of the refractive index less than first refractive layer of second refracting layer.
Further, the gate insulator by least two-layer first refractive layer and at least refracting layer of two-layer second with one
Layer first refractive layer, the mode of one layer of second refracting layer alternate be formed by stacking from bottom to top.
Further, the passivation layer by third reflect layer and fourth reflect layer alternate from bottom to top overlapping and
Into the refractive index of the refractive index less than fourth reflect layer of the third reflect layer.
Further, the passivation layer by least two-layer third reflect layer and at least two-layer fourth reflect layer with one layer the
Three refracting layers, the mode of one layer of fourth reflect layer alternate be formed by stacking from bottom to top.
Further, the refractive index of the refractive index more than the second refracting layer of the first refractive layer.
Further, the refractive index of the refractive index more than fourth reflect layer of the third reflect layer.
Further, the refractive index of the first refractive layer and third reflect layer is 1.7~2.3；Second refracting layer with
And the refractive index of fourth reflect layer is 1.3~1.7.
Further, the first refractive layer and third reflect layer are prepared by SiNx materials；Second refracting layer with
And fourth reflect layer is prepared by SiNx or SiOx materials.
Present invention also offers a kind of liquid crystal display panel, including described colour gamut array base palte high.
The present invention compared with prior art, be by by the gate insulator and/or passivation layer in viewing area in array base palte
Multilayer optical film structures, it is possible to achieve the light to specific band (570~615nm) is filtered, realize red and green to backlight
Coloured light half-wave peak width (FWHM's) narrows, so as to lift the display colour gamut of LCD display panel.
Brief description of the drawings
Fig. 1 is the penetrance spectrogram for showing in the prior art；
Fig. 2 is the structural representation of array base palte viewing area of the invention；
Fig. 3 is the structural representation of gate insulator of the present invention；
Fig. 4 is the structural representation of passivation layer of the present invention；
Fig. 5 is optical simulation figure of the present invention.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.
As shown in Fig. 2 colour gamut array base palte high of the invention, array base palte is TFT-LCD array substrate in the present invention, its
Structure is identical with TFT-LCD array substrate structure of the prior art, mainly includes glass substrate 1, on glass substrate 1 successively
It is provided with grid 2, gate insulator 3, active layer 4, passivation layer 5, source electrode 6, drain electrode 7, pixel electrode 8, the pixel electrode 8 and source
Pole 6 connects, and on active layer 4, on passivation layer 5, active layer 4 is in passivation for the pixel electrode 8 for source electrode 6 and drain electrode 7
Layer is set on the same layer, is respectively positioned on gate insulator 3, and the viewing area in the present invention shown in Fig. 2 partly for array base palte is tied
Structure schematic diagram；It differs primarily in that with prior art, gate insulator 3 in array base palte viewing area and/or blunt
Change layer 5 is multilayer optical film structures.By setting multilayer optical film structures, can realize to specific band (570~615nm)
Light source is filtered so that backlight red light and green light FWHM are narrowed, and lifts the display colour gamut of LCD.
As shown in figure 3, in the present invention, when gate insulator 3 is multilayer optical film structures, gate insulator 3 is by the first folding
Penetrate the refracting layer 32 of layer 31 and second and alternate from bottom to top and be formed by stacking, the refractive index of second refracting layer 32 is less than the
The refractive index of one refracting layer 31；Used as a kind of preferred scheme, gate insulator 3 is by least two-layer first refractive layer 31 and at least
The second refracting layer of two-layer 32 is alternateed in the way of one layer of first refractive 31, one layer of second refracting layer 32 of layer and is formed by stacking, and is had
Body is that the form of first refractive layer the 31, second refracting layer 32, first refractive the 31, second refracting layer 32 of layer is overlapped.
As shown in figure 4, when passivation layer 5 is multilayer optical film structures, passivation layer 5 is by third reflect layer 51 and fourth reflect
Layer 52 alternates be formed by stacking from bottom to top, the refraction of the refractive index less than fourth reflect layer 52 of the third reflect layer 51
Rate；Used as a kind of preferred scheme, the passivation layer 5 is by least two-layer third reflect layer 51 and at least two-layer fourth reflect layer 52
Alternateed from bottom to top in the way of one layer of third reflect layer, 51, one layer of fourth reflect layer 52 and be formed by stacking, specifically, the 3rd
The form overlapping of refracting layer 51, fourth reflect layer 52, third reflect layer 51, fourth reflect layer 52.
In specific setting, the refractive index of the refractive index more than the second refracting layer 32 of first refractive layer 31；3rd folding
Penetrate the refractive index of the refractive index more than fourth reflect layer 52 of layer 51；As a kind of preferred, the first refractive layer 31 and the 3rd
The refractive index of refracting layer 51 is 1.7~2.3；The refractive index of the second refracting layer 32 and fourth reflect layer 52 is 1.3~1.7；This
Sample can make wavelength 425~560nm blue light and wavelength 610~730nm feux rouges percent of pass for 70~90% it
Between, and by the light source cut-off that wavelength is 570~615nm, its percent of pass ensures between 20~50%, can so realize to this
The light source of wave band is filtered out.
First refractive layer 31 and third reflect layer 51 are prepared by SiNx materials in the present invention；Second refracting layer 32 with
And fourth reflect layer 52 is prepared by SiNx or SiOx materials, can be using the chemical vapor deposition process system of prior art
It is standby.
As shown in figure 1, be TFT-LCD liquid crystal display panels viewing area in the prior art, its gate insulator (GI) and/or
Passivation layer (PV) is single film layer structure, and under this structure, as can be seen from the figure the penetrance frequency spectrum of viewing area is in ripple
Long in the wave band of 570~615nm, its penetrance reaches more than 95%, and this wave band penetrance is high to show that color domain lifting does not have
Help, but also can influence to show colour gamut.
As shown in figure 5, being optical simulation figure of the invention, by optical simulation, gate insulator and/or passivation layer are many
Layer optic film structure and for low-refraction high is collocated with each other, the penetrance for making wave band of the wavelength between 570~615nm is
Less than 10%, so as to be filtered so that display colour gamut can be improved.
The invention also discloses a kind of liquid crystal display panel, including above-mentioned colour gamut array base palte high, do not repeating herein.
Although the present invention has shown and described with reference to specific embodiment, it should be appreciated by those skilled in the art that：
In the case where the spirit and scope of the present invention limited by claim and its equivalent are not departed from, can carry out herein form and
Various change in details.
Claims (10)
1. a kind of colour gamut array base palte high, including glass substrate (1), it is characterised in that：Grid are sequentially provided with glass substrate (1)
Pole (2), gate insulator (3), active layer (4), passivation layer (5), source electrode (6), drain electrode (7), pixel electrode (8), the pixel
Electrode (8) is connected with source electrode (6), and on active layer (4), the pixel electrode (8) is located at blunt for source electrode (6) and drain electrode (7)
Change on layer (5), gate insulator (3) and/or passivation layer (5) in array base palte viewing area are multilayer optical film structures.
2. colour gamut array base palte high according to claim 1, it is characterised in that：The gate insulator (3) is by the first folding
Penetrate layer (31) and the second refracting layer (32) alternates be formed by stacking from bottom to top, the refractive index of second refracting layer (32)
Less than the refractive index of first refractive layer (31).
3. colour gamut array base palte high according to claim 2, it is characterised in that：The gate insulator (3) is by least two
Layer first refractive layer (31) and at least refracting layer of two-layer second (32) are with one layer of first refractive layer (31), one layer of second refracting layer
(32) mode alternates be formed by stacking from bottom to top.
4. colour gamut array base palte high according to claim 1, it is characterised in that：The passivation layer (5) is by third reflect layer
(51) and fourth reflect layer (52) alternates be formed by stacking from bottom to top, the refractive index of third reflect layer (51) is less than
The refractive index of fourth reflect layer (52).
5. colour gamut array base palte high according to claim 4, it is characterised in that：The passivation layer (5) is by least two-layer
Three refracting layers (51) and at least two-layer fourth reflect layer (52) are with one layer of third reflect layer (51), one layer of fourth reflect layer (52)
Mode alternate be formed by stacking from bottom to top.
6. colour gamut array base palte high according to claim 2, it is characterised in that：The refractive index of first refractive layer (31)
More than the refractive index of the second refracting layer (32).
7. colour gamut array base palte high according to claim 4, it is characterised in that：The refractive index of third reflect layer (51)
More than the refractive index of fourth reflect layer (52).
8. the colour gamut array base palte high according to any one of claim 6 or 7, it is characterised in that：The first refractive layer
(31) and third reflect layer (51) refractive index be 1.7~2.3；The folding of the second refracting layer (32) and fourth reflect layer (52)
It is 1.3~1.7 to penetrate rate.
9. colour gamut array base palte high according to claim 8, it is characterised in that：First refractive layer (31) and the 3rd
Refracting layer (51) is prepared by SiNx materials；Second refracting layer (32) and fourth reflect layer (52) are by SiNx or SiOx materials
Prepare.
10. a kind of liquid crystal display panel, it is characterised in that：Including the colour gamut array high as described in claim 1-9 any one
Substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710109394.8A CN106773226A (en) | 2017-02-27 | 2017-02-27 | Colour gamut array base palte high and liquid crystal display panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710109394.8A CN106773226A (en) | 2017-02-27 | 2017-02-27 | Colour gamut array base palte high and liquid crystal display panel |
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| Publication Number | Publication Date |
|---|---|
| CN106773226A true CN106773226A (en) | 2017-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710109394.8A Pending CN106773226A (en) | 2017-02-27 | 2017-02-27 | Colour gamut array base palte high and liquid crystal display panel |
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| CN (1) | CN106773226A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018090572A1 (en) * | 2016-11-15 | 2018-05-24 | 京东方科技集团股份有限公司 | Display substrate and manufacturing method therefor, and display panel |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106526949A (en) * | 2016-11-15 | 2017-03-22 | 京东方科技集团股份有限公司 | Display substrate and manufacturing method thereof |
-
2017
- 2017-02-27 CN CN201710109394.8A patent/CN106773226A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106526949A (en) * | 2016-11-15 | 2017-03-22 | 京东方科技集团股份有限公司 | Display substrate and manufacturing method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018090572A1 (en) * | 2016-11-15 | 2018-05-24 | 京东方科技集团股份有限公司 | Display substrate and manufacturing method therefor, and display panel |
| US10859867B2 (en) | 2016-11-15 | 2020-12-08 | Boe Technology Group Co., Ltd. | Display substrate and method of manufacturing the same, and display panel |
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