CN110262113A - Colored optical filtering substrates, manufacturing method and its display device - Google Patents
Colored optical filtering substrates, manufacturing method and its display device Download PDFInfo
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- CN110262113A CN110262113A CN201910502268.8A CN201910502268A CN110262113A CN 110262113 A CN110262113 A CN 110262113A CN 201910502268 A CN201910502268 A CN 201910502268A CN 110262113 A CN110262113 A CN 110262113A
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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
- G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal cells
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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
- 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
- G02F1/133516—Methods for their manufacture, e.g. printing, electro-deposition or photolithography
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
- G09G3/3607—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals for displaying colours or for displaying grey scales with a specific pixel layout, e.g. using sub-pixels
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- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
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Abstract
The invention discloses a kind of colored optical filtering substrates, manufacturing method and its display device, colored optical filtering substrates include the multiple filtered regions for lining up array, and each filtered region includes: the first filter area, provide multiple the first color blocking units with different colours；Second filter area is disposed adjacent with the first filter area, provides multiple second color blocking units, and the colour gamut comprising each first filter area of color in the second filter area is different from the colour gamut of the second filter area in the first filter area.For colored optical filtering substrates provided by the invention there are at least two gamut ranges, the control circuit in display device is opened by the first pixel region of control and/or the second pixel region shows picture under different gamut ranges to realize.
Description
Technical field
The present invention relates to field of display technology more particularly to a kind of colored optical filtering substrates, manufacturing method and its display device.
Background technique
In display field, colour gamut is used to indicate the color gamut that display device can be expressed.Existing liquid crystal display device
In be typically only capable to show the display pattern of single colour gamut.
The prior art is by setting two groups of different general color rendering LED light for the backlight in liquid crystal display device
Group controls the switching of two groups of LED light groups further to realize the switchings of different colour gamuts, however be arranged by improving backlight so that
The colour gamut for obtaining display device is changeable, increases the complexity that light guide plate designs in backlight, and will lead in display device
The yield of backlight reduces.
Therefore, it is necessary to provide a kind of technical solution to overcome the above technical problem existing in the prior art.
Summary of the invention
In view of the above problems, the purpose of the present invention is to provide a kind of colored optical filtering substrates, manufacturing method and its display dresses
Set, provided on the basis of not changing backlight it is a kind of there are the colored optical filtering substrates of at least two gamut ranges, for user
The different colour gamut display pattern of free switching according to demand.
According to an aspect of the present invention, a kind of colored optical filtering substrates are provided, the colored optical filtering substrates include lining up array
Multiple filtered regions, each filtered region includes: the first filter area, provides multiple the first color blockings with different colours
Unit；Second filter area is disposed adjacent with first filter area, provides multiple second color blocking units, first filter area
In include the color in second filter area, wherein the colour gamut of each first filter area and second filter area
Colour gamut is different.
Preferably, first filter area and second filter area are located at adjacent rows.
Be preferably located at same row the first color blocking unit and the second color blocking unit color having the same,
The color blocking layer thickness of the first color blocking unit positioned at same row is lower than the color blocking layer thickness of the second color blocking unit.
Preferably, the second filter area provides a kind of multiple the second color blocking units with color.
Preferably, the aperture opening ratio of first filter area is more than or equal to the aperture opening ratio of second filter area.
According to another aspect of the present invention, a kind of manufacturing method of colored optical filtering substrates, the colored optical filtering substrates are provided
Including multiple filtered regions, comprising: form underlay substrate；Coating exposure forms black matrix layer and the on the underlay substrate
One filter area and the second filter area；Coating exposure, which is formed, on the underlay substrate is located at first filter area position
Multiple the first color blocking units；Coating exposure, which is formed, on the underlay substrate is located at the more of second filter area position
A second color blocking unit；Wherein, the colour gamut of each first filter area is different from the colour gamut of second filter area.
Be preferably located at same row the first color blocking unit and the second color blocking unit color having the same
When, the first color blocking unit is formed by the first exposure mask, forms the second color blocking list by the way that first exposure mask is rotated 180 °
Member.
According to another aspect of the present invention, a kind of display device is provided, comprising: display panel, including the picture being oppositely arranged
Pixel array and colored optical filtering substrates described above, the pixel array includes multiple pixel units, each pixel unit
Corresponding with the structure of filtered region each in the colored optical filtering substrates, the pixel unit includes the first pixel region and second
Pixel region；Control circuit is separately connected first pixel region and second pixel region, with to first pixel region and/
Or the second pixel region write-in gray scale voltage opens respective pixel area.
Preferably, the control circuit includes: control unit, for controlling first pixel region and/or the second pixel
It opens in area；First switch tube, the control terminal connection described control unit of the first switch tube, the first of the first switch tube
Path terminal connects and receives common voltage, and the alternate path end of the first switch tube connects second pixel by data line
Area；The control terminal of second switch, the second switch connects described control unit, the first access of the second switch
End connects and receives common voltage, and the alternate path end of the second switch connects first pixel region by auxiliary line,
Wherein, when the first switch tube is connected, the second switch is disconnected, second pixel region closes first picture
Plain area opens, and display device shows the first colour gamut；It is described when second switch conducting, the first switch tube is disconnected
Second pixel region is opened first pixel region and is closed, and display device shows the second colour gamut.
Preferably, the control circuit further include: the control terminal of third switching tube, the third switching tube connects the control
First path terminal of unit processed, the third switching tube connects first pixel region by the auxiliary line, and the third is opened
The alternate path end for closing pipe connects second pixel region by data line, wherein when third switching tube conducting, described the
When one switching tube, second switch disconnect, second pixel region, first pixel region are opened, and display device shows third
Colour gamut；When the first switch tube is connected, and the second switch, third switching tube disconnect, the first pixel region opening,
Second pixel region is closed, and display device shows the first colour gamut；When the second switch be connected, the first switch tube,
When third switching tube disconnects, first pixel region is closed, second pixel region is opened, and display device shows the second colour gamut.
Preferably, the control circuit further include: the control terminal of third switching tube, the third switching tube connects the control
First path terminal of unit processed, the third switching tube connects first pixel region by the auxiliary line, and the third is opened
The alternate path end for closing pipe connects second pixel region by data line, wherein when third switching tube conducting, described the
When one switching tube, second switch disconnect, second pixel region, first pixel region are opened, and display device shows the 4th
Colour gamut；When the first switch tube is connected, and the second switch, third switching tube disconnect, the first pixel region opening,
Second pixel region is closed, and display device shows the first colour gamut.
Colored optical filtering substrates provided by the invention are by by the filtered region of a setting corresponding with pixel unit position
It is set as two filter areas of adjacent rows arrangement, wherein the colour gamut provided in two filter areas is different, so that provided by the invention
There is gamut range at least two in colored optical filtering substrates.
Display device provided by the invention is provided with control circuit on the basis of the colored optical filtering substrates, for controlling
The first pixel region and/or the second pixel region write-in gray scale voltage are in pixel unit to open, and then single backlight is by light source
Colored optical filtering substrates are exposed to by the layer of liquid crystal molecule rotated to certain angle, so that display device is in a certain gamut range
Lower display picture.Display device of the invention is by being arranged control circuit, and at least two colour gamuts of collocation in array substrate side
Simultaneous colored optical filtering substrates, it can be achieved that different colour gamut display pattern free switching, it is aobvious to different colour gamuts to meet user
Show the pursuit of free switching between mode.
Detailed description of the invention
By referring to the drawings to the description of the embodiment of the present invention, above-mentioned and other purposes of the invention, feature and
Advantage will be apparent from, in the accompanying drawings:
The structure that Fig. 1 shows a filtered region in the colored optical filtering substrates provided according to a first embodiment of the present invention is shown
It is intended to；
Fig. 2 shows a kind of structural schematic diagrams of display device of offer according to a first embodiment of the present invention；
Fig. 3 shows the time diagram for the control signal that display device in Fig. 2 provides；
Fig. 4 shows the structural schematic diagram of another display device provided according to a first embodiment of the present invention；
Fig. 5 shows the time diagram for the control signal that display device in Fig. 4 provides；
Fig. 6 shows the chromaticity coordinates schematic diagram that display device in Fig. 4 shows 3 kinds of colour gamut modes；
The structure that Fig. 7 shows a filtered region in the colored optical filtering substrates provided according to a second embodiment of the present invention is shown
It is intended to；
Fig. 8 shows the schematic diagram of the colored optical filtering substrates manufacturing method provided according to a third embodiment of the present invention；
Fig. 9 shows the schematic diagram that color blocking unit is formed in the colored optical filtering substrates manufacturing method provided according to the present invention.
Specific embodiment
The various embodiments that the present invention will be described in more detail that hereinafter reference will be made to the drawings.In various figures, identical element
It is indicated using same or similar appended drawing reference.For the sake of clarity, the various pieces in attached drawing are not necessarily to scale.
When describing the manufacturing method of colored optical filtering substrates, when by one layer, a region be known as being located at another layer, another
When region " above " or " top ", can refer to located immediately at another layer, another overlying regions, or its with another layer, it is another
Also comprising other layers or region between one region.
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.
Liquid crystal display device includes display panel, driving circuit, and display panel includes colored optical filtering substrates and colorized optical filtering
Several array substrates being oppositely arranged and the liquid crystal molecule being contained between the two.Array substrate includes multiple thin film transistor (TFT) groups
At transistor array, the drain electrode of thin film transistor (TFT) is connected to pixel electrode, between pixel electrode and public electrode
Voltage difference controls the rotational angle of liquid crystal molecule, to change the light transmittance of backlight, realizes grayscale modulation.In colored optical filtering substrates
Three color color blocking units are provided on position corresponding with pixel unit sub-pixel in array substrate, so that modulating by grayscale
Transmitted light generate color of light, and using three primary color theory generate colourama.
The structure that Fig. 1 shows a filtered region in the colored optical filtering substrates provided according to a first embodiment of the present invention is shown
It is intended to, as shown in Figure 1, colored optical filtering substrates include multiple filter areas corresponding with each pixel unit position of array substrate
Domain 100.Each filtered region 100 includes the first filter area 110 and the second filter area 120.First filter area 110 include according to
Such as three the first color blocking units 111 of arrangement are arranged, 111 position of the first color blocking unit is for example respectively equipped with the filter of the first color
Light photoresist layer, the second color filter photoresist layer, third color filter photoresist layer.Second filter area 120 includes according to column arrangement
Such as three the second color blocking units 121, with the first color blocking unit be located at the second color blocking unit of same row for example equipped with this
The optical filtering photoresist layer of one color blocking unit same color.Wherein separated between each color blocking unit by the way that black matrix layer 117 is arranged.The
One filter area 110 and the second filter area 120 are arranged according to row, and the first filter area and/or the second filter area can provide three kinds not
Same colour gamut.Specifically, the first filter area 110 and the second filter area 120 are located at adjacent rows.
Wherein, the color and coordinate that the colour gamut coordinate range and the second filter area 120 that the first filter area 110 can provide provide
Range is not identical, i.e. the first filter area 110 is different with the thickness of at least one color filter photoresist layer of the second filter area 120.
Such as the thickness of the optical filtering photoresist layer for the same color being arranged in the first color blocking unit 111 and the second color blocking unit 121 in same row
Degree is different.Specifically, for example, the colour gamut coordinate range of the first filter area 110 be lower than the second filter area 120 colour gamut coordinate range.
Wherein, the first filter area 110 is for example identical as the aperture opening ratio of each sub-pixel in the second filter area 120.
Each filtered region of colored optical filtering substrates provided in this embodiment is for example including two filter areas, wherein first
Filter area can individually provide a kind of gamut range, and the second filter area can individually provide another gamut range, and first filters
Area and the second filter area can provide another superimposed gamut range jointly.It is each in the colored optical filtering substrates of the present embodiment
The setting of color blocking unit can provide three kinds of different gamut ranges in filtered region, wherein on the basis of the present invention, second
Each second color blocking unit can form the optical filtering photoresist layer for having different colours with the first color blocking unit in filter area, so that should
Colored optical filtering substrates can provide at least two different gamut ranges, select for user.
Fig. 2 shows the structural schematic diagrams of the display device provided according to a second embodiment of the present invention, as shown in Fig. 2, aobvious
Display panel includes pixel array 200, driving circuit in showing device, includes pixel array 200, pixel array in array substrate
200 include multiple pixel units, and each filtered region on each pixel unit and colored optical filtering substrates corresponds.Work as pixel
Pixel unit in array 200 is opened when driving write-in gray scale voltage by driving circuit, and liquid crystal molecule rotates corresponding angle,
The light that backlight issues is radiated at the corresponding pixel region of colored optical filtering substrates via liquid crystal molecule, in corresponding selected colour gamut
Picture is shown in range.
Pixel unit includes the first pixel region 210 and the second pixel region 220, first pixel region 210 and the second pixel region
220 is corresponding with the position of the first pixel region and the second pixel region in the colored optical filtering substrates of above-mentioned offer respectively.
Driving circuit includes source drive module 310, grid electrode drive module 320 and control circuit 330.Source drive mould
Block 310 connects the first pixel region 210 of pixel unit via auxiliary line F1 by switching tube, for into the first pixel region 210
Gray scale voltage is written, source drive module 310 connects the second pixel region of pixel unit via data line S1 by switching tube
220, for gray scale voltage to be written into the second pixel region 220.Grid electrode drive module 320 is via gate lines G 1 and respectively by opening
It closes pipe and connects the first pixel region 210 and the second pixel region 220, with scanning element unit.Control circuit 330 connects pixel array
200 to control write-in gray scale voltage at least one pixel region and open.
Control circuit 330 includes control unit, first switch tube T1 and second switch T2.Control unit is for controlling
First pixel region 210 and/or the second pixel region 220 are opened.Control unit via control line C1 connection first switch tube T1 control
To transmit first control signal Ctrl1, the first path terminal of first switch tube T1 connects and receives common voltage Vcom at end processed, the
The alternate path end of one switch transistor T 1 connects the second pixel region 220 via data line S1 and by switching tube.Control unit via
For the control terminal of control line C2 connection second switch T2 to transmit second control signal Ctrl2, the first of second switch T2 is logical
Terminal connects and receives common voltage Vcom, and the alternate path end of second switch T2 connects via auxiliary line F1 and by switching tube
Connect the first pixel region 210.
Working principle combination Fig. 3 of control circuit 330 is illustrated, and Fig. 3 shows the control that display device provides in Fig. 2
The time diagram of signal, as shown in figure 3, first control signal Ctrl1, the second control signal Ctrl2 of control unit output
Control is respectively used to the first pixel region 210 and the second pixel region 220 write-in luma data.Wherein, work as first control signal
Ctrl1 is high level second control signal Ctrl2 when being low level, and first switch tube T1 is connected to write to the second pixel region 220
Enter common voltage Vcom, the second pixel region 220 is closed, and gray scale voltage is written first by second switch T2 shutdown, auxiliary line F1
Pixel region 210, the first pixel region 210 are opened, and show that picture is in by the first pixel region offer of colored optical filtering substrates at this time
The display pattern of first colour gamut.When it is high level that first control signal Ctrl1, which is low level second control signal Ctrl2, the
The conducting of two switch transistor Ts 2 is to be written common voltage Vcom to the first pixel region 210, and the first pixel region 210 is closed, first switch tube
The second pixel region 220 is written in gray scale voltage by T1 shutdown, data line S1, and the second pixel region 220 is opened, and shows that picture is at this time
By the display pattern for the second colour gamut that the second pixel region of colored optical filtering substrates provides.
It should be noted that first switch tube T1 provided in this embodiment and second switch T2 are, for example, N-type film
Transistor, but implementation of the invention is not limited to N-type transistor, can also be implemented by P-type transistor.
Fig. 4 shows the structural schematic diagram of the display device provided according to a third embodiment of the present invention, as shown in figure 4, aobvious
Display panel includes pixel array 200, driving circuit in showing device.
The present embodiment changes in control circuit 430 on the basis of the display device that second embodiment provides.
Control circuit 430 includes control unit, first switch tube T1, second switch T2 and third switch transistor T 3.Control
Unit processed is opened for controlling the first pixel region 210 and/or the second pixel region 220.Control unit is via control line C1 connection
To transmit first control signal Ctrl1, the first path terminal of first switch tube T1 is connected and is received the control terminal of one switch transistor T 1
The alternate path end of common voltage Vcom, first switch tube T1 connect the second pixel region via data line S1 and by switching tube
220.Control unit transmits second control signal Ctrl2 via the control terminal of control line C2 connection second switch T2, and second
First path terminal of switch transistor T 2 connects and receives common voltage Vcom, and the alternate path end of second switch T2 is via auxiliary line
F1 simultaneously connects the first pixel region 210 by switching tube.Control unit via control line C3 connection third switch transistor T 3 control terminal
To transmit third control signal Ctrl3, the first path terminal of third switch transistor T 3 is connected via auxiliary line F1 and by switching tube
The alternate path end of first pixel region 210, third switch transistor T 3 connects the second pixel region via data line S1 and by switching tube
220。
Working principle combination Fig. 5 of control circuit 430 is illustrated, and Fig. 5 shows the control that display device provides in Fig. 4
The time diagram of signal, as shown in figure 5, control unit output first control signal Ctrl1, second control signal Ctrl2,
Third control signal Ctrl3 is respectively used to control to the first pixel region 210 and/or the second pixel region 220 write-in luma data.
Wherein, when first control signal Ctrl1 is high level, second control signal Ctrl2 is low level, third control letter
When number Ctrl3 is low level, first switch tube T1 conducting is to be written common voltage Vcom, the second pixel to the second pixel region 220
Area 220 closes, and the first pixel region 210, the first pixel region 210 is written in gray scale voltage by second switch T2 shutdown, auxiliary line F1
It opens, shows that picture is in the display pattern of the first colour gamut provided by the first pixel region of colored optical filtering substrates at this time.When
One control signal Ctrl1 is low level, second control signal Ctrl2 is high level, third control signal Ctrl3 is low level
When, second switch T2 conducting is to be written common voltage Vcom to the first pixel region 210, and the first pixel region 210 is closed, and first opens
Pipe T1 shutdown is closed, the second pixel region 220 is written in gray scale voltage by data line S1, and the second pixel region 220 is opened, and shows picture at this time
The display pattern of the second colour gamut in the second pixel region offer by colored optical filtering substrates.When first control signal Ctrl1 is
When low level, second control signal Ctrl2 are low level, third control signal Ctrl3 is high level, third switch transistor T 2 is connected
Gray scale voltage is written to the first pixel region 210, the second pixel region 220, the first pixel region 210, the second pixel region 220 are opened,
Show that picture is in the display that the third colour gamut provided is superimposed by the first pixel region, the second pixel region of colored optical filtering substrates at this time
Mode.
It should be noted that first switch tube T1 provided in this embodiment, second switch T2 and third switch transistor T 3
For example, N-type TFT, but implementation of the invention is not limited to N-type transistor, can also pass through P-type transistor reality
It applies.
Fig. 6 shows the chromaticity coordinates schematic diagram that display device in Fig. 4 shows 3 kinds of colour gamut modes, as shown in fig. 6, sitting in color
A variety of gamut ranges present in the colored optical filtering substrates of first embodiment offer are embodied in mark system, wherein the first filter area mentions
The first colour gamut is supplied, the second filter area provides the second colour gamut, the colour gamut model that the first filter area is superimposed with the second filter area
It encloses and third colour gamut is provided, wherein in the present embodiment, the first colour gamut is lower than third colour gamut, and third colour gamut is lower than the second colour gamut.
Wherein the first filtered region is different from the gamut range that the second filtered region provides, but the first filtered region and
In two filtered regions in each color blocking unit the difference in thickness of color filter photoresist layer within 0.3um.First filter area and
The available gamut range of two filter areas can adjust according to demand.
The structure that Fig. 7 shows a filtered region in the colored optical filtering substrates provided according to a second embodiment of the present invention is shown
It is intended to, as shown in fig. 7, colored optical filtering substrates include multiple filter areas corresponding with each pixel unit position of array substrate
Domain 500.Each filtered region 500 includes the first filter area 510 and the second filter area 520.First filter area 510 include according to
Such as three the first color blocking units 511 of arrangement are arranged, 511 position of the first color blocking unit is for example respectively equipped with the filter of the first color
Light photoresist layer, the second color filter photoresist layer, third color filter photoresist layer.Second filter area 520 includes according to column arrangement
Such as three the second color blocking units 521, the second color blocking unit is for example equipped with the optical filtering photoresist layer of at least one color, the second color blocking
The color that unit has is, for example, certain color in the first color blocking unit.Wherein by the way that black square is arranged between each color blocking unit
Battle array layer 117 separates.First filter area 110 and the second filter area 120 are arranged according to row, the first filter area and/or the second filter area
Two different colour gamuts can be provided.Specifically, the first filter area 110 and the second filter area 120 are located at adjacent rows.
Wherein, the aperture opening ratio of the first filter area 110 is greater than the aperture opening ratio of the second filter area 120.
Each filtered region of colored optical filtering substrates provided in this embodiment is for example including two filter areas, wherein first
Filter area can individually provide a kind of gamut range, and the first filter area is superimposed with the second filter area can provide another colour gamut model
It encloses.Wherein on the basis of the present invention, in the second filter area each second color blocking unit can be in the first filter area other one
The optical filtering photoresist layer of kind color or multiple color, so that the colored optical filtering substrates can provide at least two different colour gamuts
Range is selected for user.
Wherein, the display device including colored optical filtering substrates provided in this embodiment, such as control circuit 430 can be set
To realize the different colour gamut display pattern of user's free switching.
Specifically, control circuit 430 is identical as the connection type in the display device of above-mentioned offer.Wherein, when the first control
When signal Ctrl1 processed is high level, second control signal Ctrl2 is low level, third control signal Ctrl3 is low level, the
The conducting of one switch transistor T 1 is to be written common voltage Vcom to the second pixel region 220, and the second pixel region 220 is closed, second switch
The first pixel region 210 is written in gray scale voltage by T2 shutdown, auxiliary line F1, and the first pixel region 210 is opened, and shows that picture is at this time
By the display pattern for the first colour gamut that the first pixel region of colored optical filtering substrates provides.When first control signal Ctrl1 is low electricity
When flat, second control signal Ctrl2 is low level, third control signal Ctrl3 is high level, the conducting of third switch transistor T 2 with to
Gray scale voltage is written in first pixel region 210, the second pixel region 220, and the first pixel region 210, the second pixel region 220 are opened, at this time
Show that picture is in the display mould that the 4th colour gamut provided is superimposed by the first pixel region, the second pixel region of colored optical filtering substrates
Formula.
Wherein, the first gamut range is greater than the 4th gamut range.
Fig. 8 shows the schematic diagram of the colored optical filtering substrates manufacturing method provided according to a third embodiment of the present invention, such as Fig. 8
It is shown, include the following steps:
Step S1: underlay substrate is formed.
Step S2: coating exposure forms black matrix layer and the first filter area Sub1 and the second filter area on underlay substrate
Sub2, the first filter area Sub1 include according to such as three the first color blocking units of column arrangement, and the second filter area Sub2 includes pressing
According to such as three the second color blocking units of column arrangement, the first color blocking unit and the second color blocking unit are located at same row, each color blocking
It is separated between unit by black matrix layer.
Step S3: in the same row of each filtered region, color filter photoresist is successively formed in the first color blocking unit
Layer forms color filter photoresist layer in the second color blocking unit.
Step S4: protective layer is formed in black matrix layer and filtered region.
Step S5: spacer material is formed above the protective layer of covering black matrix layer.
Fig. 9 shows the schematic diagram that color blocking unit is formed in the colored optical filtering substrates manufacturing method provided according to the present invention,
As shown in figure 9, one can be passed through when the first color blocking unit for being located at same row is identical as the aperture opening ratio of the second color blocking unit
Exposure mask forms the first color blocking unit and the second color blocking unit.
Specifically, it first passes through the mask exposure and forms color filter photoresist layer in the first color blocking unit, later by the exposure mask
180 ° of rotation simultaneously forms color filter photoresist layer in the second color blocking unit by postrotational mask exposure.
Colored optical filtering substrates provided by the invention are by by the filtered region of a setting corresponding with pixel unit position
It is set as two filter areas of adjacent rows arrangement, wherein the colour gamut provided in two filter areas is different, so that provided by the invention
There are at least two gamut ranges for colored optical filtering substrates.
Display device provided by the invention is provided with control circuit on the basis of the colored optical filtering substrates, for controlling
The first pixel region and/or the second pixel region write-in gray scale voltage are in pixel unit to open, and then single backlight is by light source
Colored optical filtering substrates are exposed to by the layer of liquid crystal molecule rotated to certain angle, so that display device is in a certain gamut range
Lower display picture.Display device of the invention is by being arranged control circuit, and at least two colour gamuts of collocation in array substrate side
Simultaneous colored optical filtering substrates, it can be achieved that different colour gamut display pattern free switching, it is aobvious to different colour gamuts to meet user
Show the pursuit of free switching between mode.
It is as described above according to the embodiment of the present invention, these embodiments details all there is no detailed descriptionthe, also not
Limiting the invention is only the specific embodiment.Obviously, as described above, can make many modifications and variations.This explanation
These embodiments are chosen and specifically described to book, is principle and practical application in order to better explain the present invention, thus belonging to making
Technical field technical staff can be used using modification of the invention and on the basis of the present invention well.The present invention is only by right
The limitation of claim and its full scope and equivalent.
Claims (10)
1. a kind of colored optical filtering substrates, the colored optical filtering substrates include the multiple filtered regions for lining up array, which is characterized in that
Each filtered region includes:
First filter area provides multiple the first color blocking units with different colours；
Second filter area is disposed adjacent with first filter area, provides multiple second color blocking units, in first filter area
Comprising the color in second filter area,
Wherein, the colour gamut of each first filter area is different from the colour gamut of second filter area.
2. colored optical filtering substrates according to claim 1, which is characterized in that first filter area and described second filters
Area is located at adjacent rows.
3. colored optical filtering substrates according to claim 2, which is characterized in that positioned at the first color blocking unit of same row
It is lower than with the color blocking layer thickness of the second color blocking unit color having the same, the first color blocking unit positioned at same row
The color blocking layer thickness of second color blocking unit.
4. colored optical filtering substrates according to claim 2, which is characterized in that the aperture opening ratio of first filter area be greater than or
Person is equal to the aperture opening ratio of second filter area.
5. a kind of manufacturing method of colored optical filtering substrates, the colored optical filtering substrates include multiple filtered regions, which is characterized in that
Include:
Form underlay substrate；
Coating exposure forms black matrix layer and the first filter area and the second filter area on the underlay substrate；
On the underlay substrate coating exposure with sequentially formed in same row the first color blocking unit positioned at the first filter area,
Positioned at the second color blocking unit of the second filter area；
Wherein, the colour gamut of each first filter area is different from the colour gamut of second filter area.
6. the manufacturing method of colored optical filtering substrates according to claim 5, which is characterized in that positioned at described the of same row
When one color blocking unit and the second color blocking unit color having the same, the first color blocking unit is formed by the first exposure mask, is led to
It crosses and first exposure mask is rotated into 180 ° of formation the second color blocking units.
7. a kind of display device characterized by comprising
Display panel, including the pixel array that is oppositely arranged and the described in any item colored optical filtering substrates of claim 1-5,
The pixel array includes multiple pixel units, each filtered region in each pixel unit and the colored optical filtering substrates
Structure it is corresponding, the pixel unit include the first pixel region and the second pixel region；
Control circuit is separately connected first pixel region and second pixel region, with to first pixel region and/or institute
It states the second pixel region write-in gray scale voltage and opens respective pixel area.
8. display device according to claim 7, which is characterized in that the control circuit includes:
Control unit is opened for controlling first pixel region and/or the second pixel region；
First switch tube, the control terminal of the first switch tube connect described control unit, and the first of the first switch tube is logical
Terminal connects and receives common voltage, and the alternate path end of the first switch tube connects second pixel by data line
Area；
Second switch, the control terminal of the second switch connect described control unit, and the first of the second switch is logical
Terminal connects and receives common voltage, and the alternate path end of the second switch connects first pixel by auxiliary line
Area,
Wherein, when the first switch tube is connected, the second switch is disconnected, second pixel region closes described the
One pixel region is opened, and display device shows the first colour gamut；When second switch conducting, the first switch tube is disconnected,
Second pixel region is opened first pixel region and is closed, and display device shows the second colour gamut.
9. display device according to claim 8, which is characterized in that the control circuit further include:
Third switching tube, the control terminal of the third switching tube connect described control unit, and the first of the third switching tube is logical
Terminal connects first pixel region by the auxiliary line, and the alternate path end of the third switching tube is connected by data line
Second pixel region,
Wherein, when the third switching tube is connected, and the first switch tube, second switch disconnect, second pixel region,
First pixel region is opened, and display device shows third colour gamut；When the first switch tube be connected, the second switch,
When third switching tube disconnects, first pixel region is opened, second pixel region is closed, and display device shows the first colour gamut；
When the second switch is connected, and the first switch tube, third switching tube disconnect, first pixel region closes, is described
Second pixel region is opened, and display device shows the second colour gamut.
10. display device according to claim 8, which is characterized in that the control circuit further include:
Third switching tube, the control terminal of the third switching tube connect described control unit, and the first of the third switching tube is logical
Terminal connects first pixel region by the auxiliary line, and the alternate path end of the third switching tube is connected by data line
Second pixel region,
Wherein, when the third switching tube is connected, and the first switch tube, second switch disconnect, second pixel region,
First pixel region is opened, and display device shows the 4th colour gamut；When the first switch tube be connected, the second switch,
When third switching tube disconnects, first pixel region is opened, second pixel region is closed, and display device shows the first colour gamut.
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