CN107037652A - Array base palte and liquid crystal display - Google Patents
Array base palte and liquid crystal display Download PDFInfo
- Publication number
- CN107037652A CN107037652A CN201710315434.4A CN201710315434A CN107037652A CN 107037652 A CN107037652 A CN 107037652A CN 201710315434 A CN201710315434 A CN 201710315434A CN 107037652 A CN107037652 A CN 107037652A
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- Prior art keywords
- sublayer
- quantum dot
- color blocking
- layer
- color
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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
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
-
- 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
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/136222—Colour filters incorporated in the active matrix substrate
Abstract
The present invention provides a kind of array base palte and liquid crystal display, including：Color blocking layer, tft layer and the quantum dot layer on tft layer, quantum dot layer include the first quantum dot sublayer, the second quantum dot sublayer and the 3rd quantum dot sublayer；First quantum dot sublayer, the second quantum dot sublayer and the 3rd quantum dot sublayer are respectively arranged in the upright projection of the first pixel sub-structure, in the upright projection of the second pixel sub-structure and in the upright projection of the 3rd pixel sub-structure.Due to adding quantum dot layer between color blocking layer and tft layer, so as to make the color of display purer, to reach the purpose for improving product colour gamut.Simultaneously as the photoluminescence efficiency of quantum dot is high, therefore the setting of quantum dot layer also further increases the utilization rate of light.
Description
Technical field
The present invention relates to liquid crystal display, more particularly to a kind of array base palte and liquid crystal display.
Background technology
With the development of Display Technique, liquid crystal display has become most commonly seen display device.Liquid crystal display by
Many pixel compositions.Traditional three-color pixel generally includes the sub-pixel of three kinds of colors of red, green, blue, by the color blocking of corresponding color
Prepare, be limited by the property of material, gamut range is narrower.
Therefore, a kind of new structure is needed badly to improve the gamut range of liquid crystal display.
The content of the invention
The present invention provides a kind of array base palte and liquid crystal display, to solve liquid crystal display colour gamut of the prior art
The narrower technical problem of scope.
One aspect of the present invention provides a kind of array base palte, including：Color blocking layer, tft layer and positioned at thin film transistor (TFT)
Quantum dot layer on layer, tft layer includes multiple dot structures, and each dot structure includes four pixel sub-structures；Amount
Son point layer includes the first quantum dot sublayer, the second quantum dot sublayer and the 3rd quantum dot sublayer；
First quantum dot sublayer, the second quantum dot sublayer and the 3rd quantum dot sublayer are respectively arranged at the first pixel sub-structure
Upright projection on, in the upright projection of the second pixel sub-structure and in the upright projection of the 3rd pixel sub-structure；
Color blocking layer includes the first color blocking sublayer, the second color blocking sublayer, the 3rd color blocking sublayer and the 4th color blocking sublayer, wherein,
First color blocking sublayer is covered in the first quantum dot sublayer, and the second color blocking sublayer is covered in the second quantum dot sublayer, the 3rd color
Resistance sublayer be covered in the 3rd quantum dot sublayer, the 4th color blocking sublayer be arranged in the upright projection of the 4th pixel sub-structure and with
Tft layer is adjacent.
Further, the 3rd color blocking sublayer and the 4th color blocking sublayer are transparent color blocking layer.
Further, the first quantum dot sublayer and the 3rd quantum dot sublayer have the quantum dot of same color.
Further, when backlight module launches blue light to array base palte, the first quantum dot sublayer and the 3rd quantum dot
Layer includes red quantum dot, and the second quantum dot sublayer includes green quantum dot.
Further, the second quantum dot sublayer and the 3rd quantum dot sublayer have the quantum dot of same color.
Another aspect of the present invention provides a kind of liquid crystal display, including backlight module and array base palte, wherein, array base palte
Including：Color blocking layer, tft layer and the quantum dot layer on tft layer, tft layer include multiple pictures
Plain structure, each dot structure includes four pixel sub-structures；Quantum dot layer includes the first quantum dot sublayer, the second quantum dot
Layer and the 3rd quantum dot sublayer；
First quantum dot sublayer, the second quantum dot sublayer and the 3rd quantum dot sublayer are respectively arranged at the first pixel sub-structure
Upright projection on, in the upright projection of the second pixel sub-structure and in the upright projection of the 3rd pixel sub-structure；
Color blocking layer includes the first color blocking sublayer, the second color blocking sublayer, the 3rd color blocking sublayer and the 4th color blocking sublayer, wherein,
First color blocking sublayer is covered in the first quantum dot sublayer, and the second color blocking sublayer is covered in the second quantum dot sublayer, the 3rd color
Resistance sublayer be covered in the 3rd quantum dot sublayer, the 4th color blocking sublayer be arranged in the upright projection of the 4th pixel sub-structure and with
Tft layer is adjacent.
Further, the 3rd color blocking sublayer and the 4th color blocking sublayer are transparent color blocking layer.
Further, the first quantum dot sublayer and the 3rd quantum dot sublayer have the quantum dot of same color.
Further, when backlight module launches blue light to array base palte, the first quantum dot sublayer and the 3rd quantum dot
Layer includes red quantum dot, and the second quantum dot sublayer includes green quantum dot.
Further, the second quantum dot sublayer and the 3rd quantum dot sublayer have the quantum dot of same color.
Array base palte and liquid crystal display that the present invention is provided, add quantum between color blocking layer and tft layer
Point layer, because quantum dot has narrower half-wave peak width compared with color blocking, so as to make the color of display purer, to reach raising
The purpose of product colour gamut.Simultaneously as the photoluminescence efficiency of quantum dot is high, therefore the setting of quantum dot layer is also further improved
The utilization rate of light.
Brief description of the drawings
The invention will be described in more detail below based on embodiments and refering to the accompanying drawings.Wherein：
Fig. 1 is the structural representation for the array base palte that the embodiment of the present invention one is provided；
Fig. 2 is the structural representation for the liquid crystal display that the embodiment of the present invention two is provided.
In the accompanying drawings, identical part uses identical reference.Accompanying drawing is not drawn according to actual ratio.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
Embodiment one
As shown in figure 1, the embodiment of the present invention provides a kind of array base palte, including color blocking layer 1, tft layer 2 and position
In the quantum dot layer 3 on tft layer 2, tft layer 2 includes multiple dot structures, and each dot structure includes four
Individual pixel sub-structure.Quantum dot layer 3 includes the first quantum dot sublayer 31, the second quantum dot sublayer 32 and the 3rd quantum dot sublayer
33.First quantum dot sublayer 31, the second quantum dot sublayer 32 and the 3rd quantum dot sublayer 33 are respectively arranged at the first pixel son knot
In the upright projection of structure, in the upright projection of the second pixel sub-structure and in the upright projection of the 3rd pixel sub-structure.Color blocking layer 1
Including the first color blocking sublayer 11, the second color blocking sublayer 12, the 3rd color blocking sublayer 13 and the 4th color blocking sublayer 14, wherein, the first color
Resistance sublayer 11 is covered in the first quantum dot sublayer 31, and the second color blocking sublayer 12 is covered in the second quantum dot sublayer 32, and the 3rd
Color blocking sublayer 13 is covered in the 3rd quantum dot sublayer 33, and the 4th color blocking sublayer 14 is arranged on the vertical throwing of the 4th pixel sub-structure
It is on shadow and adjacent with tft layer 2.
Specifically, tft layer 2 is arranged on underlay substrate 4, it is brilliant that dot structure (not shown) is located at film
In body tube layer 2, the dot structure can constitute a pixel.Each dot structure (does not show including four pixel sub-structures in figure
Go out), respectively the first pixel sub-structure, the second pixel sub-structure, the 3rd pixel sub-structure and the 4th pixel sub-structure, by every
Individual pixel sub-structure can obtain the color component of a pixel, in embodiments of the present invention, and color component has four, therefore,
Each dot structure includes four pixel sub-structures.Quantum dot layer 3 is covered on tft layer 2, and quantum dot layer 3 is by first
Quantum dot sublayer 31, the second quantum dot sublayer 32 and the 3rd quantum dot sublayer 33 are constituted.First quantum dot sublayer 31 is arranged at
In the upright projection of one pixel sub-structure, from fig. 1, the first quantum dot sublayer 31 be arranged on the first pixel sub-structure just on
Side, and (the first pixel sub-structure is the shape size of shape size and the first pixel sub-structure of the first quantum dot sublayer 31
Rectangle) it is identical.Similarly, the second quantum dot sublayer 32 and the 3rd quantum dot sublayer 33 are separately positioned on the second pixel sub-structure and
The surface of three pixel sub-structures.
Color blocking layer 1 includes the first color blocking sublayer 11, the second color blocking sublayer 12, the 3rd color blocking sublayer 13 and the 4th color blocking sublayer
14.In a specific embodiment of the invention, the 3rd color blocking sublayer 13 and the 4th color blocking sublayer 14 are transparent (Fig. 1 of color blocking layer 1
In separated between the 3rd color blocking sublayer 13 and the 4th color blocking sublayer 14 with dotted line), therefore, pass through the 3rd color blocking sublayer 13 and the 4th
The light of color blocking sublayer 14 will not be absorbed.In a specific embodiment of the invention, the 4th color blocking sublayer 14 is arranged on the 4th picture
It is in the upright projection of element structure and adjacent with tft layer 2, i.e., in the upright projection of the 4th pixel sub-structure with it is thin
It is color blocking layer 1 that film transistor layer 2 is adjacent, rather than quantum dot layer 3, therefore, is launched from the backlight module of the side of underlay substrate 4
The light that the light come is projected by after tft layer 2, from the upright projection region of the 4th pixel sub-structure is without excess
Son point layer 3 is handled, and is directly entered color blocking layer 1.Certainly, when backlight module launches blue light, the 4th color blocking sublayer 14 may also set up
For blue color blocking layer 1, further to be filtered to the light launched, to allow blue light to pass through.In order to cost-effective,
In a specific embodiment of the invention, (the amount of quantum dot layer 3 is not set between the 4th color blocking sublayer 14 and tft layer 2
Son point film cost is high), and due to the as blue light (being directly available color) of backlight module transmitting, therefore, the blue light
It can not directly be used, now, the 3rd color blocking layer 1 and the 4th color blocking layer 1 are uniformly set to by the filtering of blue color blocking layer 1
Light colour hinders, and cost (use for reducing blue color blocking) is further reduced, while also reducing making complexity.
The color of included quantum dot is identical with the color blocking color of the first color blocking sublayer 11 in first quantum dot sublayer 31,
Such as the first quantum dot sublayer 31 includes red quantum dot, then the first color blocking sublayer 11 is red color resistance layer 1, likewise,
The color of included quantum dot is identical with the color blocking color of the second color blocking sublayer 12 in second quantum dot sublayer 32, the 3rd quantum
The color of included quantum dot is identical with the color blocking color of the 3rd color blocking sublayer 13 in point sublayer 33.
Quantum dot layer 3 is added in the embodiment of the present invention between color blocking layer 1 and tft layer 2, due to quantum dot
There is narrower half-wave peak width compared with color blocking, so as to make the color of display purer, to reach the purpose for improving product colour gamut.
Simultaneously as the photoluminescence efficiency of quantum dot is high, therefore the setting of quantum dot layer 3 also further increases the utilization rate of light.
When backlight module launches blue light, the first quantum dot sublayer 31 and the 3rd quantum dot sublayer 33 is set to include amount of red
Sub-, the second quantum dot sublayer 32 includes green quantum dot, and now, blue light is through the first quantum dot sublayer 31 and the 3rd quantum dot
Launch feux rouges after the processing of layer 33, launch green glow after being handled through the second quantum dot sublayer 32, without being handled through quantum dot layer 3
Blue light be shot out directly through the 4th color blocking layer 1, the three primary colors being made up of feux rouges, blue light and green glow have been got, to stay
Treat further processing.Meanwhile, the feux rouges launched from the 3rd quantum dot sublayer 33 with from the blue light handled without quantum dot layer 3
In transparent color blocking layer 1 mixing transmitting purple light, therefore, from the 3rd color blocking layer 1 launch for purple light, from the foregoing, it will be observed that in this hair
In bright embodiment, the light launched after photoresist layer is made up of feux rouges, blue and green light and purple light, this four primaries mould
Formula so that gamut range is wider.
Further, the first quantum dot sublayer 31 and the 3rd quantum dot sublayer 33 is set to include green quantum dot, the second amount
Son point sublayer 32 includes blue quantum dot, and now backlight module launches feux rouges to array base palte, now, is sent out after photoresist layer
The light being shot out is still to include feux rouges, the four primaries (mixing for also having a kind of color to be green glow and feux rouges) of blue and green light,
Gamut range can equally be improved.Similarly, when the first quantum dot sublayer 31 of setting and the 3rd quantum dot sublayer 33 include red quantum
Point, the second quantum dot sublayer 32 includes blue quantum dot, and now backlight module launches green glow to array base palte, now, by light
The light launched after resistance layer be still include feux rouges, blue and green light four primaries (also have a kind of color be green glow and indigo plant
The mixing of light), it can equally improve gamut range.
Further, the first quantum dot sublayer 31 has different face from the quantum dot included by the second quantum dot sublayer 32
Color, and the color for the light launched with backlight module differs.For example, the first quantum dot sublayer 31 includes red quantum
Point, the second quantum dot sublayer 32 (can not include red quantum dot) includes green quantum dot, then the light that backlight module is launched
For blue light, be arranged such be in order that the light launched from photoresist layer at least includes feux rouges, green glow and blue light this primaries, with
Blend all colors.
Further, the 3rd quantum dot sublayer 33 may be configured as it is identical with the second quantum dot sublayer 32, and with the first quantum
Point sublayer 31 is differed.
In a specific embodiment of the invention, the amount of red in the first quantum dot sublayer 31 and the 3rd quantum dot sublayer 33
The size of son point may be the same or different, and specifically can according to the actual requirements be configured, does not limit herein.
Embodiment two
As shown in Figure 1 and Figure 2, the embodiment of the present invention also provides a kind of liquid crystal display, including backlight module b and array base
Plate t, wherein, array base palte t includes color blocking layer 1, tft layer 2 and the quantum dot layer 3 on tft layer 2,
Tft layer 2 includes multiple dot structures, and each dot structure includes four pixel sub-structures.Quantum dot layer 3 includes the
One quantum dot sublayer 31, the second quantum dot sublayer 32 and the 3rd quantum dot sublayer 33.First quantum dot sublayer 31, the second quantum dot
The quantum dot sublayer 33 of sublayer 32 and the 3rd is respectively arranged in the upright projection of the first pixel sub-structure, the second pixel sub-structure
In upright projection and in the upright projection of the 3rd pixel sub-structure.Color blocking layer 1 includes the first color blocking sublayer 11, the second color blocking sublayer
12nd, the 3rd color blocking sublayer 13 and the 4th color blocking sublayer 14, wherein, the first color blocking sublayer 11 is covered in the first quantum dot sublayer 31
On, the second color blocking sublayer 12 is covered in the second quantum dot sublayer 32, and the 3rd color blocking sublayer 13 is covered in the 3rd quantum dot sublayer
On 33, the 4th color blocking sublayer 14 is arranged in the upright projection of the 4th pixel sub-structure and adjacent with tft layer 2.
In Fig. 2, color membrane substrates c fits with array base palte t, and backlight module b is in array base palte t sides and to array base palte t
Launch blue light (or feux rouges or green glow), light is launched after being handled by array base palte t by liquid crystal, color membrane substrates c,
So as to display image on a liquid crystal display.
In a specific embodiment of the invention, the 3rd color blocking sublayer 13 and the 4th color blocking sublayer 14 are transparent color blocking layer 1.
In another specific embodiment of the invention, the amount of the first quantum dot sublayer 31 and the 3rd quantum dot sublayer 33 with same color
Sub- point.Further, when backlight module launches blue light to array base palte, the first quantum dot sublayer 31 and the 3rd quantum dot sublayer
33 include red quantum dot, and the second quantum dot sublayer 32 includes green quantum dot.Further, the second quantum dot sublayer 32 and
Three quantum dot sublayers 33 have the quantum dot of same color.Above-mentioned relevant content can be found in the corresponding description in embodiment one,
This is repeated no more.
Although by reference to preferred embodiment, invention has been described, is not departing from the situation of the scope of the present invention
Under, various improvement can be carried out to it and part therein can be replaced with equivalent.Especially, as long as in the absence of structure punching
Prominent, the every technical characteristic being previously mentioned in each embodiment can combine in any way.The invention is not limited in text
Disclosed in specific embodiment, but all technical schemes including falling within the scope of the appended claims.
Claims (10)
1. a kind of array base palte, it is characterised in that including：Color blocking layer, tft layer and positioned at the tft layer
On quantum dot layer, tft layer includes multiple dot structures, and each dot structure includes four pixel sub-structures；It is described
Quantum dot layer includes the first quantum dot sublayer, the second quantum dot sublayer and the 3rd quantum dot sublayer；
The first quantum dot sublayer, the second quantum dot sublayer and the 3rd quantum dot sublayer are respectively arranged at the first picture
In the upright projection of element structure, in the upright projection of the second pixel sub-structure and in the upright projection of the 3rd pixel sub-structure；
The color blocking layer includes the first color blocking sublayer, the second color blocking sublayer, the 3rd color blocking sublayer and the 4th color blocking sublayer, wherein,
The first color blocking sublayer is covered in the first quantum dot sublayer, and the second color blocking sublayer is covered in second quantum
In point sublayer, the 3rd color blocking sublayer is covered in the 3rd quantum dot sublayer, and the 4th color blocking sublayer is arranged on the
It is in the upright projection of four pixel sub-structures and adjacent with the tft layer.
2. array base palte according to claim 1, it is characterised in that the 3rd color blocking sublayer and the 4th color blocking
Layer is transparent color blocking layer.
3. array base palte according to claim 1 or 2, it is characterised in that the first quantum dot sublayer and the described 3rd
Quantum dot sublayer has the quantum dot of same color.
4. array base palte according to claim 3, it is characterised in that when backlight module launches blue light to array base palte,
The first quantum dot sublayer and the 3rd quantum dot sublayer include red quantum dot, and the second quantum dot sublayer includes green
Color quantum dot.
5. array base palte according to claim 1 or 2, it is characterised in that the second quantum dot sublayer and the described 3rd
Quantum dot sublayer has the quantum dot of same color.
6. a kind of liquid crystal display, it is characterised in that including backlight module and array base palte, wherein, the array base palte includes：
Color blocking layer, tft layer and the quantum dot layer on the tft layer, tft layer include multiple pictures
Plain structure, each dot structure includes four pixel sub-structures；The quantum dot layer includes the first quantum dot sublayer, the second quantum
Point sublayer and the 3rd quantum dot sublayer；
The first quantum dot sublayer, the second quantum dot sublayer and the 3rd quantum dot sublayer are respectively arranged at the first picture
In the upright projection of element structure, in the upright projection of the second pixel sub-structure and in the upright projection of the 3rd pixel sub-structure；
The color blocking layer includes the first color blocking sublayer, the second color blocking sublayer, the 3rd color blocking sublayer and the 4th color blocking sublayer, wherein,
The first color blocking sublayer is covered in the first quantum dot sublayer, and the second color blocking sublayer is covered in second quantum
In point sublayer, the 3rd color blocking sublayer is covered in the 3rd quantum dot sublayer, and the 4th color blocking sublayer is arranged on the
It is in the upright projection of four pixel sub-structures and adjacent with the tft layer.
7. liquid crystal display according to claim 6, it is characterised in that the 3rd color blocking sublayer and the 4th color blocking
Sublayer is transparent color blocking layer.
8. the liquid crystal display according to claim 6 or 7, it is characterised in that the first quantum dot sublayer and described
Three quantum dot sublayers have the quantum dot of same color.
9. liquid crystal display according to claim 8, it is characterised in that when backlight module to array base palte launches blue light
When, the first quantum dot sublayer and the 3rd quantum dot sublayer include red quantum dot, the second quantum dot sublayer bag
Include green quantum dot.
10. the liquid crystal display according to claim 6 or 7, it is characterised in that the second quantum dot sublayer and described
Three quantum dot sublayers have the quantum dot of same color.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710315434.4A CN107037652A (en) | 2017-05-08 | 2017-05-08 | Array base palte and liquid crystal display |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710315434.4A CN107037652A (en) | 2017-05-08 | 2017-05-08 | Array base palte and liquid crystal display |
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| CN201710315434.4A Pending CN107037652A (en) | 2017-05-08 | 2017-05-08 | Array base palte and liquid crystal display |
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| US20110261294A1 (en) * | 2010-04-23 | 2011-10-27 | Samsung Electronics Co., Ltd. | Color filter and display device employing the same |
| CN103235442A (en) * | 2013-04-22 | 2013-08-07 | 京东方科技集团股份有限公司 | Color film substrate, display panel and display device |
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