CN109212832A - A kind of liquid crystal display panel and preparation method thereof, liquid crystal display device - Google Patents
A kind of liquid crystal display panel and preparation method thereof, liquid crystal display device Download PDFInfo
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- CN109212832A CN109212832A CN201811277312.1A CN201811277312A CN109212832A CN 109212832 A CN109212832 A CN 109212832A CN 201811277312 A CN201811277312 A CN 201811277312A CN 109212832 A CN109212832 A CN 109212832A
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- 238000002360 preparation method Methods 0.000 title abstract description 6
- 239000000758 substrate Substances 0.000 claims abstract description 180
- 239000010410 layer Substances 0.000 claims description 88
- 239000010408 film Substances 0.000 claims description 44
- 239000010409 thin film Substances 0.000 claims description 22
- 238000009413 insulation Methods 0.000 claims description 16
- 238000002161 passivation Methods 0.000 claims description 10
- 239000011229 interlayer Substances 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 238000010586 diagram Methods 0.000 description 10
- -1 polyethylene terephthalate Polymers 0.000 description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 5
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- 239000004698 Polyethylene Substances 0.000 description 4
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- 239000004793 Polystyrene Substances 0.000 description 4
- 229910052581 Si3N4 Inorganic materials 0.000 description 4
- 239000002253 acid Substances 0.000 description 4
- 150000001336 alkenes Chemical class 0.000 description 4
- 125000003118 aryl group Chemical group 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
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- 239000004744 fabric Substances 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 229920001596 poly (chlorostyrenes) Polymers 0.000 description 4
- 229920001230 polyarylate Polymers 0.000 description 4
- 239000004417 polycarbonate Substances 0.000 description 4
- 229920000515 polycarbonate Polymers 0.000 description 4
- 229920002530 polyetherether ketone Polymers 0.000 description 4
- 229920000573 polyethylene Polymers 0.000 description 4
- 229920000139 polyethylene terephthalate Polymers 0.000 description 4
- 239000005020 polyethylene terephthalate Substances 0.000 description 4
- 229920001721 polyimide Polymers 0.000 description 4
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- 239000000377 silicon dioxide Substances 0.000 description 4
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- 206010019133 Hangover Diseases 0.000 description 2
- JSLMNNPQKHONFW-UHFFFAOYSA-N benzene naphthalene-1-carboxylic acid Chemical compound C1(=CC=CC2=CC=CC=C12)C(=O)O.C1=CC=CC=C1 JSLMNNPQKHONFW-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- MRNHPUHPBOKKQT-UHFFFAOYSA-N indium;tin;hydrate Chemical compound O.[In].[Sn] MRNHPUHPBOKKQT-UHFFFAOYSA-N 0.000 description 2
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 2
- 241001270131 Agaricus moelleri Species 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- 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
- G02F1/1336—Illuminating devices
-
- 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
- G09G3/3406—Control of illumination source
- G09G3/342—Control of illumination source using several illumination sources separately controlled corresponding to different display panel areas, e.g. along one dimension such as lines
- G09G3/3426—Control of illumination source using several illumination sources separately controlled corresponding to different display panel areas, e.g. along one dimension such as lines the different display panel areas being distributed in two dimensions, e.g. matrix
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optics & Photonics (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Liquid Crystal (AREA)
Abstract
The embodiment of the invention discloses a kind of liquid crystal display panels and preparation method thereof, liquid crystal display device, wherein, liquid crystal display panel includes: the first substrate being oppositely arranged and the second substrate and driving chip, first substrate includes: the pixel of the first underlay substrate and the array being arranged on the first underlay substrate arrangement, and the second substrate includes: the second underlay substrate and the light source assembly that is arranged on the second underlay substrate；Light source assembly includes: the light source of array arrangement, and each light source covers orthographic projection of at least one pixel on the second underlay substrate in the orthographic projection on the second underlay substrate, and each light source is electrically connected with driving chip, for emitting beam under the control of driving chip.It is arranged in the embodiment of the present invention by light source assembly and controls each light source in the second substrate, and through driving chip, is not only reduced the power consumption of TFT-LCD, but also can show pure black image, TFT-LCD is enabled to show more perfect colour gamut.
Description
Technical field
The present embodiments relate to field of display technology, and in particular to a kind of liquid crystal display panel and preparation method thereof, liquid
Crystal device.
Background technique
Thin film transistor-liquid crystal display (Thin Film Transistor Liquid Crystal Display, letter
Claim TFT-LCD) be used as a kind of panel display apparatus, because its with small size, low power consumption, no radiation and cost of manufacture relatively
The features such as low, and be applied in high-performance display field more and more.
Through inventor the study found that existing TFT-LCD at work, entire backlight is constantly in the shape being always on
State, so that the power consumption of TFT-LCD is larger, meanwhile, when carrying out ater display, since backlight cannot be completely cut off completely
It influences, can also generate light leakage and then can not show pure black image, so that TFT-LCD can not show more perfect colour gamut.
Summary of the invention
In order to solve the above-mentioned technical problem, the embodiment of the invention provides a kind of liquid crystal display panel and preparation method thereof,
Liquid crystal display device can not only reduce the power consumption of TFT-LCD, additionally it is possible to the more perfect colour gamut of display.
In a first aspect, the embodiment of the invention provides a kind of liquid crystal display panels, comprising: the first substrate that is oppositely arranged and
The second substrate and driving chip, the first substrate include: the first underlay substrate and the battle array that is arranged on the first underlay substrate
The pixel of arrangement is arranged, the second substrate includes: the second underlay substrate and the light source assembly that is arranged on the second underlay substrate；
The light source assembly includes: the light source of array arrangement, orthographic projection covering of each light source on the second underlay substrate
Orthographic projection of at least one pixel on the second underlay substrate, each light source are electrically connected with the driving chip, for driving
It emits beam under the control of chip.
Optionally, each pixel includes: first film transistor and pixel electrode；The first substrate further include: filter
Layer and the first insulating layer；
First underlay substrate is arranged in close to the side of the second substrate in the first film transistor；
The first film transistor is arranged in close to the side of the second substrate in the filter layer；
The filter layer is arranged in close to the side of the second substrate in first insulating layer；
First insulating layer is arranged in close to the side of the second substrate in the pixel electrode；
The second substrate further include: public electrode and second insulating layer；
Second underlay substrate is arranged in close to the side of the first substrate in the light source assembly；
The light source assembly is arranged in close to the side of the first substrate in the second insulating layer；
The second insulating layer is arranged in close to the side of the first substrate in the public electrode.
Optionally, the second substrate further include: be arranged between second underlay substrate and the light source assembly
Second thin film transistor (TFT)；
Second thin film transistor (TFT) and the first film transistor correspond, and second thin film transistor (TFT) and
The connection type of driving chip is identical as the connection type of first film transistor and driving chip.
Optionally, the liquid crystal display panel further include: first connecting portion；First insulating layer, pixel electrode, the second insulation
Via hole is provided on the passivation layer of layer, public electrode and first film transistor；
The first connecting portion is brilliant by the first insulating layer, pixel electrode, second insulating layer, public electrode and the first film
The drain electrode of via hole the connection light source and first film transistor of the passivation layer of body pipe, to realize each light source and driving chip
Electrical connection.
Optionally, the first connecting portion includes: insulation division and conductive part；
The insulating layer is enclosed in the side of the interconnecting piece, for conductive part and the pixel electrode of insulating, is also used to insulate
Conductive part and public electrode.
Optionally, the liquid crystal display panel further include: second connecting portion；The layer insulation of second thin film transistor (TFT)
Via hole is provided on layer and gate insulation layer；
The second connecting portion connects light source and the second thin film transistor (TFT) with the via hole of gate insulation layer by interlayer insulating film
Drain electrode, to realize being electrically connected for light source and driving chip.
Optionally, the driving chip applies time of signal earlier than the driving chip to described to the pixel electrode
The time of light source assembly application signal.
Optionally, the voltage that the driving chip applies to the pixel electrode be backward voltage, the driving chip to
The voltage that the light source assembly applies is forward voltage.
Second aspect, the embodiment of the present invention also provide a kind of liquid crystal display device, comprising: above-mentioned liquid crystal display panel.
The third aspect, the embodiment of the present invention also provide a kind of production method of liquid crystal display panel, for above-mentioned liquid to be made
LCD panel, which comprises
First underlay substrate and driving chip are provided；
The shape pixel arranged into an array on the first underlay substrate, to form first substrate；
Second underlay substrate is provided；
Light source assembly is formed on the second underlay substrate, to form the second substrate；Wherein, the light source assembly includes: battle array
The light source of arrangement is arranged, orthographic projection of the light source on the second underlay substrate covers at least one pixel in the second substrate just
Projection, each light source is electrically connected with driving chip, for emitting beam under the control of driving chip；
The first substrate and the second substrate are oppositely arranged.
The embodiment of the present invention provides a kind of liquid crystal display panel and preparation method thereof, liquid crystal display device, wherein liquid crystal
Show that panel includes: the first substrate being oppositely arranged and the second substrate and driving chip, first substrate includes: the first underlay substrate
With the pixel for the array arrangement being arranged on the first underlay substrate, the second substrate includes: the second underlay substrate and is arranged second
Light source assembly on underlay substrate；Light source assembly include: array arrangement light source, each light source on the second underlay substrate just
Projection covers orthographic projection of at least one pixel on the second underlay substrate, and each light source is electrically connected with driving chip, is used for
It emits beam under the control of driving chip.It is arranged in the second substrate in the embodiment of the present invention by light source assembly, and passes through drive
The dynamic each light source of chip controls, not only reduces the power consumption of TFT-LCD, but also can show pure black image, so that TFT-LCD
It can show more perfect colour gamut.
Other features and advantages of the present invention will be illustrated in the following description, also, partly becomes from specification
It obtains it is clear that understand through the implementation of the invention.The objectives and other advantages of the invention can be by specification, right
Specifically noted structure is achieved and obtained in claim and attached drawing.
Detailed description of the invention
Attached drawing is used to provide to further understand technical solution of the present invention, and constitutes part of specification, with this
The embodiment of application technical solution for explaining the present invention together, does not constitute the limitation to technical solution of the present invention.
Fig. 1 is the structural schematic diagram one of liquid crystal display panel provided in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of light source assembly provided in an embodiment of the present invention；
Fig. 3 is the structural schematic diagram of light source provided in an embodiment of the present invention；
Fig. 4 is the structural schematic diagram two of liquid crystal display panel provided in an embodiment of the present invention；
Fig. 5 is the structural schematic diagram three of liquid crystal display panel provided in an embodiment of the present invention；
Fig. 6 is the signal timing diagram of liquid crystal display panel provided in an embodiment of the present invention；
Fig. 7 is the flow chart of the production method of liquid crystal display panel provided in an embodiment of the present invention.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing to the present invention
Embodiment be described in detail.It should be noted that in the absence of conflict, in the embodiment and embodiment in the application
Feature can mutual any combination.
Step shown in the flowchart of the accompanying drawings can be in a computer system such as a set of computer executable instructions
It executes.Also, although logical order is shown in flow charts, and it in some cases, can be to be different from herein suitable
Sequence executes shown or described step.
Unless otherwise defined, the embodiment of the present invention discloses the technical term used or scientific term should be institute of the present invention
The ordinary meaning that personage in category field with general technical ability is understood." first ", " second " used in the embodiment of the present invention
And similar word is not offered as any sequence, quantity or importance, and be used only to distinguish different component parts.
The similar word such as " comprising " or "comprising", which means to occur element or object before the word, to be covered to appear in and arranges behind the word
The element of act perhaps object and its equivalent and be not excluded for other elements or object.The similar word such as " connection " or " connected "
Language is not limited to physics or mechanical connection, but may include electrical connection, either direct or indirect
's."upper", "lower", "left", "right" etc. are only used for indicating relative positional relationship, when the absolute position for the object being described changes
Afterwards, then the relative positional relationship may also correspondingly change.
Embodiment one
Fig. 1 is the structural schematic diagram one of liquid crystal display panel provided in an embodiment of the present invention, and Fig. 2 mentions for the embodiment of the present invention
The structural schematic diagram of the light source assembly of confession；Fig. 3 is the structural schematic diagram of light source provided in an embodiment of the present invention；Such as the institute of Fig. 1~3
Show, it includes: the first substrate 1 being oppositely arranged and the second substrate 2 and driving core that the embodiment of the present invention, which provides liquid crystal display panel,
Piece (not shown), first substrate 1 include: that the first underlay substrate 10 and the array being arranged on the first underlay substrate arrange
Pixel, it underlay substrate 20 and the light source assembly 21 that is arranged on the second underlay substrate that the second substrate, which includes: second, light source assembly 21
It include: the light source 210 of array arrangement, orthographic projection of each light source 210 on the second underlay substrate 20 covers at least one pixel
Orthographic projection on the second underlay substrate 20, each light source 210 is electrically connected with driving chip, under the control of driving chip
It emits beam.
Specifically, first substrate includes: display area and non-display area, driving chip is bundled in the non-aobvious of first substrate
Show on region, the pixel of array arrangement is arranged on the display area of first substrate.
Optionally, the first underlay substrate 10 can be rigid substrate or flexible substrate, wherein rigid substrate can be but not
It is limited to one of glass, Jin Shu Be piece or a variety of；Flexible substrate can be but be not limited to polyethylene terephthalate, right
Ethylene terephthalate, polyether-ether-ketone, polystyrene, polycarbonate, poly- aryl acid esters, polyarylate, polyimides, polychlorostyrene second
One of alkene, polyethylene, textile fabric are a variety of.
Specifically, as shown in Figure 1, first substrate further include: filter layer 12 and the first insulating layer 13, each pixel include:
First film transistor and pixel electrode 14；The first underlay substrate 10 is arranged in close to the second substrate 2 in first film transistor
Side；First film transistor is arranged in close to the side of the second substrate 2 in filter layer 12；First insulating layer 13 is arranged in filter layer
12 close to the side of the second substrate 2；The first insulating layer 13 is arranged in close to the side of the second substrate 2 in pixel electrode 14.
Wherein, first film transistor includes: active layer 110, gate insulation layer 111, gate electrode 112, interlayer insulating film
113, source-drain electrode 114 and passivation layer 115.It should be noted that the structure of first film transistor can be top gate structure,
It can be bottom grating structure, Fig. 1 is illustrated by taking top gate structure as an example.
Specifically, the light that light source assembly issues in the embodiment of the present invention is penetrated through filter layer from the first underlay substrate
To human eye, the light source assembly in the second substrate in the embodiment of the present invention is equivalent to the backlight of first substrate.
Optionally, filter layer 12 includes: colored filter, colored filter include: Red lightscreening plate, green color filter or
Blue color filter.
Optionally, the making material of the first insulating layer 13 can be silica, silicon nitride or silica and silicon nitride
Compound, the embodiment of the present invention are not limited in any way this, and pixel electrode 14 is thin by the via hole of the first insulating layer 13 and first
The drain electrode of film transistor connects.
Optionally, the making material of pixel electrode 14 can be transparent conductive material, such as tin indium oxide etc., present invention reality
It applies example and this is not limited in any way.
Optionally, the second underlay substrate 20 can be rigid substrate or flexible substrate, wherein rigid substrate can be but not
It is limited to one of glass, Jin Shu Be piece or a variety of；Flexible substrate can be but be not limited to polyethylene terephthalate, right
Ethylene terephthalate, polyether-ether-ketone, polystyrene, polycarbonate, poly- aryl acid esters, polyarylate, polyimides, polychlorostyrene second
One of alkene, polyethylene, textile fabric are a variety of.
Specifically, as shown in Fig. 2, the second substrate 2 further include: second insulating layer 22 and public electrode 23, light source assembly 21
Second underlay substrate 20 is set close to the side of first substrate 1；Second insulating layer 22 is arranged in light source assembly 21 close to first
The side of substrate 1；Second insulating layer 22 is arranged in close to the side of first substrate 1 in public electrode 23.
Optionally, the making material of second insulating layer 22 can be silica, silicon nitride or silica and silicon nitride
Compound, the embodiment of the present invention are not limited in any way this.
Optionally, the making material of public electrode 23 can be transparent conductive material, such as tin indium oxide etc., present invention reality
It applies example and this is not limited in any way.
Optionally, light source 210 includes: light emitting diode (Light-Emitting Diode, abbreviation LED), the shape of light source
Shape can be round or rectangular, Fig. 2 be by light source be it is rectangular for the embodiment of the present invention that is illustrated this is not made it is any
It limits.
Specifically, as shown in Fig. 2, the quantity for the light source that light source assembly includes be it is multiple, the embodiment of the present invention does not make this
Any restriction, each light source cover at least one pixel on the second underlay substrate just in the orthographic projection on the second underlay substrate
Projection is the corresponding pixel of light source we term it at least one pixel, in the embodiment of the present invention, the corresponding pixel of each light source
Quantity at least one, Fig. 3 is illustrated by taking corresponding four pixels of each light source as an example, since each pixel includes three
Sub-pixel, red sub-pixel R, blue subpixels B and green sub-pixels G, therefore, the corresponding 12 sub- pictures of each light source in Fig. 3
Element, the embodiment of the present invention are not limited in any way this.It should be noted that the quantity of light source that light source assembly includes is more, each
The corresponding pixel of light source is fewer.
With the resolution ratio of liquid crystal display device for 2560 × 1440, for corresponding 4 pixels of a light source, second should be located at
Optical module on substrate need include: 1280 × 720 arrays arrangement light source, in addition, in order to guarantee show content color
Finer and smoother, the brightness of light source can be determined according to the pixel electrode average applied voltage in four pixels, pass through the more of light source
The multiple gray scale of brightness and pixel adjusts the color displays of single pixel jointly again.
Specifically, in the embodiment of the present invention, each light source is controlled by driving chip and is shone, can shorten light source igniting when
Between, power consumption is reduced, meanwhile, each light source can be sent out under the control of driving chip according to the brightness demand of screen different location
The light of different brightness out, can not only effectively improve the display brightness of liquid crystal display panel, but also can pass through multistage
Regulation cooperation shows the different gray scales of each pixel sub-pixel, so that display colour gamut is wider, and then reaches finely regulating and shines
The purpose of intensity.
Specifically, as shown in Figure 1, liquid crystal display panel further include: liquid crystal layer 3, liquid crystal layer 3 include: several liquid crystal point
Son 30, liquid crystal layer 3 are arranged between first substrate 1 and the second substrate 2, are applied to pixel electrode and public electrode for basis
Voltage deflected, to realize the display of liquid crystal display panel.
Liquid crystal display panel in the embodiment of the present invention can be the liquid crystal display panel of any display pattern, for example, turning round
Bent nematic (Twisted Nematic, abbreviation TN) liquid crystal display panel, plane conversion type (In-Plane Switching, letter
Claim IPS) liquid crystal display panel, in-plane switching (Fringe Field Switching, abbreviation FFS) liquid crystal display panel, hang down
Straight alignment-type (Vertical Alignment, abbreviation VA) liquid crystal display panel, advanced super dimension switch type (Advanced
Super Dimension Switch, abbreviation ADS) liquid crystal display panel, the embodiment of the present invention is not limited thereto.
Liquid crystal display panel provided in an embodiment of the present invention includes: the first substrate being oppositely arranged and the second substrate and drive
Dynamic chip, first substrate include: the pixel of the first underlay substrate and the array being arranged on the first underlay substrate arrangement, the second base
Plate includes: the second underlay substrate and the light source assembly that is arranged on the second underlay substrate；Light source assembly includes: the light of array arrangement
Source, each light source cover orthographic projection of at least one pixel on the second underlay substrate in the orthographic projection on the second underlay substrate,
Each light source is electrically connected with driving chip, for emitting beam under the control of driving chip.Pass through light in the embodiment of the present invention
Source component setting controls each light source in the second substrate, and through driving chip, not only reduces the power consumption of TFT-LCD, and
And can also show pure black image, enable TFT-LCD to show more perfect colour gamut.
Optionally, as an implementation, Fig. 4 is the structural representation of liquid crystal display panel provided in an embodiment of the present invention
Figure two, as shown in figure 4, liquid crystal display panel provided in an embodiment of the present invention further include: first connecting portion 40.
Specifically, the first insulating layer 13, pixel electrode 14, second insulating layer 22, public electrode 23 and the first film crystal
Via hole is provided on the passivation layer 115 of pipe；First connecting portion 40 is insulated by the first insulating layer 13, pixel electrode 14, second
The leakage of via hole the connection light source and first film transistor of the passivation layer 115 of layer 22, public electrode 23 and first film transistor
Electrode 114, to realize being electrically connected for each light source and driving chip.
Optionally, as shown in figure 4, first connecting portion 40 includes: insulation division 41 and conductive part 42；Insulating layer 41, which is enclosed in, leads
The side in electric portion 42, for conductive part 42 and the pixel electrode 14 of insulating, be also used to insulate conductive part 42 and public electrode 23.
Optionally, the making material of conductive part 42 can be the higher metal of conductivity, such as can be silver-colored or aluminium etc., this
Inventive embodiments are not limited in any way this.
Optionally, as another embodiment, Fig. 5 is that the structure of liquid crystal display panel provided in an embodiment of the present invention is shown
It is intended to three, as shown in figure 5, the second substrate 2 in liquid crystal display panel provided in an embodiment of the present invention further include: be arranged second
The second thin film transistor (TFT) between underlay substrate 20 and light source assembly 21；Second thin film transistor (TFT) and first film transistor are one by one
It is corresponding, and the connection type of the connection type of the second thin film transistor (TFT) and driving chip and first film transistor and driving chip
It is identical.
Optionally, the second thin film transistor (TFT) includes: active layer 241, gate insulation layer 242, gate electrode 243, interlayer insulating film
244, source-drain electrode 245 and passivation layer 246.It should be noted that the structure of the second thin film transistor (TFT) can be top gate structure,
It can be bottom grating structure, Fig. 5 is illustrated by taking top gate structure as an example.
Specifically, as shown in figure 5, liquid crystal display panel further include: second connecting portion 50；The interlayer of second thin film transistor (TFT)
Via hole is provided on insulating layer 244 and gate insulation layer 242；Second connecting portion 50 passes through interlayer insulating film 244 and gate insulation layer 242
Via hole connection light source and the second thin film transistor (TFT) drain electrode, to realize being electrically connected for light source and driving chip.
Further, in liquid crystal display panel, since liquid crystal molecule possesses certain inertia, apply to pixel electrode
Signal cannot allow in a flash liquid crystal molecule to deflect into position that we want in advance at once but can have prolonging for 5ms or so
Late, will generate a time interval at this time causes the response time longer, cannot accomplish higher refreshing frequency, and then cause to show
The phenomenon that generating hangover when showing moving image.
In order to solve the technical problem, in the embodiment of the present invention, the time that driving chip applies signal to pixel electrode is early
Apply the time of signal to light source assembly in driving chip, by the present invention in that light source is after liquid crystal molecule deflects a period of time
Lighted again, can be effectively solved as liquid crystal molecule responded it is slow and caused by show that hangover when moving image shows
As.
Fig. 6 is the signal timing diagram of liquid crystal display panel provided in an embodiment of the present invention, as shown in fig. 6, the first signal S1
For the signal that driving chip applies to pixel electrode, second signal S2 is the signal that driving chip applies to light source, such as Fig. 6 institute
Show, when driving chip applies the first signal of one third time, driving chip applies second signal S2 to light source, that is,
It says, driving chip applies second signal S2 to light source in the time of whole cycle 1/6th, and the duration of second signal is
The one third period.After a cycle, the application the first signal and the second signal of next cycle and so on.According to this
The method of sample, when driving chip starts to apply second signal S2, at this moment liquid crystal molecule has deflected into preset stable position
It sets.Within the subsequent time, the time of each application second signal, which will be later than, applied for the first signal one third period
Time.
In addition, as can be seen from FIG. 6, compared with the prior art be always on mode, the lighting time of every frame light source only has existing
The one third time of technology, along with the backlight of progressive scan, it is assumed that liquid crystal display panel shares N row second signal, this hair
The 1/3N that the power consumption of light source assembly in bright embodiment only has tradition to be always on mode.It is issued since driving chip controls each light source
Light, the brightness that this control mode light source is shown will be far longer than bright brought by backlight combination light guide plate in the prior art
Degree, the colour gamut for enabling to liquid crystal display panel to show are also more wide.
Specifically, driving chip applies to pixel electrode when liquid crystal display panel in embodiments of the present invention is shown
Voltage is backward voltage, and the voltage that driving chip applies to light source assembly is forward voltage, at this point, the first base under such circumstances
Just will form bigger pressure difference between plate and the second substrate, reach to be much smaller than with voltage required for original same effect it is existing
Liquid crystal display panel LCD panel, it is more energy saving, and by both ends co- controlling, be also easier to make high performance liquid crystal
Show panel.
Embodiment two
Inventive concept based on the above embodiment, the embodiment of the present invention also provide a kind of production side of liquid crystal display panel
Method, Fig. 7 is the flow chart of the production method of liquid crystal display panel provided in an embodiment of the present invention, as shown in fig. 7, the present invention is implemented
The production method for the liquid crystal display panel that example provides, for the liquid crystal display panel of the offer of embodiment one to be made, this method is specific
The following steps are included:
Step 100 provides the first underlay substrate and driving chip.
Optionally, the first underlay substrate can be rigid substrate or flexible substrate, wherein rigid substrate can be but unlimited
In one of glass, Jin Shu Be piece or a variety of；Flexible substrate can be but be not limited to polyethylene terephthalate, to benzene
Naphthalate, polyether-ether-ketone, polystyrene, polycarbonate, poly- aryl acid esters, polyarylate, polyimides, polychlorostyrene second
One of alkene, polyethylene, textile fabric are a variety of.
It should be noted that the embodiment of the present invention can also carry out pre-cleaning operation to the first underlay substrate.
Step 200, the shape pixel arranged into an array on the first underlay substrate, to form first substrate.
Specifically, each pixel includes: first film transistor and pixel electrode, step 200 includes: in the first substrate base
First film transistor is formed on plate, forms filter layer in first film transistor, and the first insulating layer is formed on filter layer,
Pixel electrode is formed on the first insulating layer.
Step 300 provides the second underlay substrate.
Optionally, the second underlay substrate can be rigid substrate or flexible substrate, wherein rigid substrate can be but unlimited
In one of glass, Jin Shu Be piece or a variety of；Flexible substrate can be but be not limited to polyethylene terephthalate, to benzene
Naphthalate, polyether-ether-ketone, polystyrene, polycarbonate, poly- aryl acid esters, polyarylate, polyimides, polychlorostyrene second
One of alkene, polyethylene, textile fabric are a variety of.
Step 400 forms light source assembly on the second underlay substrate, to form the second substrate.
Specifically, light source assembly include: array arrangement light source, orthographic projection of the light source on the second underlay substrate cover to
Few orthographic projection of the pixel in the second substrate, each light source is electrically connected with driving chip, for the control in driving chip
It emits beam under system.
Optionally, as an implementation, step 400 specifically includes: light source assembly is formed on the second underlay substrate,
Second insulating layer is formed on light source assembly, forms public electrode over the second dielectric.
In this embodiment, the first insulating layer in the embodiment of the present invention, pixel electrode, second insulating layer, public
Electrode and the passivation layer of first film transistor have been respectively formed on via hole.
Method provided in an embodiment of the present invention, further includes: form first connecting portion, wherein the first connecting portion is through the
One insulating layer, pixel electrode, second insulating layer, public electrode and first film transistor passivation layer via hole, connect light source
With the drain electrode of first film transistor, to realize being electrically connected for each light source and driving chip.
Optionally, as another embodiment, step 400 specifically includes: it is thin that second is formed on the second underlay substrate
Film transistor forms light source assembly on the second thin film transistor (TFT), forms second insulating layer on light source assembly, in the second insulation
Public electrode is formed on layer.
In this embodiment, the gate insulation layer and interlayer insulating film of the second thin film transistor (TFT) in the embodiment of the present invention
On be formed with via hole.
Method provided in an embodiment of the present invention further include: form second connecting portion, wherein second connecting portion is thin through second
The gate insulation layer of film transistor connects the drain electrode of light source and the second thin film transistor (TFT) with interlayer insulating film, to realize light source and drive
The connection of dynamic chip.
Optionally, light source includes: light emitting diode (Light-Emitting Diode, abbreviation LED).
Specifically, the quantity for the light source that light source assembly includes be it is multiple, the embodiment of the present invention is not limited in any way this, often
A light source covers orthographic projection of at least one pixel on the second underlay substrate in the orthographic projection on the second underlay substrate, we claim
Be at least one pixel be the corresponding pixel of light source, in the embodiment of the present invention, the quantity of the corresponding pixel of each light source is at least
One, the embodiment of the present invention is not limited in any way this.It should be noted that the quantity of light source that light source assembly includes is more, often
The corresponding pixel of a light source is fewer.
First substrate and the second substrate are oppositely arranged by step 500.
The production method of liquid crystal display panel provided in an embodiment of the present invention, for the liquid crystal of the offer of embodiment one to be made
Show panel, this method comprises: providing the first underlay substrate and driving chip；The shape picture arranged into an array on the first underlay substrate
Element, to form first substrate；Second underlay substrate is provided；Light source assembly is formed on the second underlay substrate, to form the second base
Plate；Wherein, light source assembly includes: the light source of array arrangement, and orthographic projection of the light source on the second underlay substrate covers at least one
Orthographic projection of the pixel in the second substrate, each light source are electrically connected with driving chip, are issued for the control in driving chip
Light out；First substrate and the second substrate are oppositely arranged.It is arranged by light source assembly in the second substrate in the embodiment of the present invention
On, and each light source is controlled by driving chip, the power consumption of TFT-LCD is not only reduced, but also can show pure black image,
TFT-LCD is enabled to show more perfect colour gamut.
Embodiment three
Inventive concept based on the above embodiment, the embodiment of the present invention also provide a kind of liquid crystal display device, including liquid crystal
Display panel.
Wherein, liquid crystal display panel is the liquid crystal display panel that embodiment one provides, realization principle and realization effect class
Seemingly, details are not described herein.
It should be noted that liquid crystal display device can be Electronic Paper, mobile phone, tablet computer, television set, display, pen
Remember any products or components having a display function such as this computer, Digital Frame, navigator, comparison of the embodiment of the present invention is not done
Any restriction.
In addition, the liquid crystal display device in the embodiment of the present invention can be twisted-nematic (Twisted Nematic, abbreviation
TN) mode, vertical (Vertical Alignment, abbreviation VA) mode, plane conversion technology (In-plane Switching,
Abbreviation IPS) mode or Senior super dimension field switch technology (Advance super Dimension Switch, abbreviation ADS) mode,
The present invention does not do any restriction to this.
Attached drawing of the embodiment of the present invention is pertained only to the present embodiments relate to the structure arrived, and other structures, which can refer to, usually to be set
Meter.
For clarity, in the attached drawing of embodiment for describing the present invention, the thickness and size of layer or micro-structure
It is amplified.It is appreciated that ought such as layer, film, region or substrate etc element be referred to as be located at another element "above" or "below"
When, which " direct " can be located at "above" or "below" another element, or may exist intermediary element.
In the absence of conflict, the feature in the embodiment of the present invention, that is, embodiment can be combined with each other new to obtain
Embodiment.
Although disclosed herein embodiment it is as above, the content only for ease of understanding the present invention and use
Embodiment is not intended to limit the invention.Technical staff in any fields of the present invention is taken off not departing from the present invention
Under the premise of the spirit and scope of dew, any modification and variation, but the present invention can be carried out in the form and details of implementation
Scope of patent protection, still should be subject to the scope of the claims as defined in the appended claims.
Claims (10)
1. a kind of liquid crystal display panel characterized by comprising the first substrate and the second substrate and driving core being oppositely arranged
Piece, the first substrate include: the pixel of the first underlay substrate and the array being arranged on the first underlay substrate arrangement, and described the
Two substrates include: the second underlay substrate and the light source assembly that is arranged on the second underlay substrate；
The light source assembly includes: the light source of array arrangement, and orthographic projection covering of each light source on the second underlay substrate is at least
Orthographic projection of one pixel on the second underlay substrate, each light source are electrically connected with the driving chip, in driving chip
Control under emit beam.
2. liquid crystal display panel according to claim 1, which is characterized in that each pixel includes: first film transistor
And pixel electrode；The first substrate further include: filter layer and the first insulating layer；
First underlay substrate is arranged in close to the side of the second substrate in the first film transistor；
The first film transistor is arranged in close to the side of the second substrate in the filter layer；
The filter layer is arranged in close to the side of the second substrate in first insulating layer；
First insulating layer is arranged in close to the side of the second substrate in the pixel electrode；
The second substrate further include: public electrode and second insulating layer；
Second underlay substrate is arranged in close to the side of the first substrate in the light source assembly；
The light source assembly is arranged in close to the side of the first substrate in the second insulating layer；
The second insulating layer is arranged in close to the side of the first substrate in the public electrode.
3. liquid crystal display panel according to claim 2, which is characterized in that the second substrate further include: be arranged in institute
State the second thin film transistor (TFT) between the second underlay substrate and the light source assembly；
Second thin film transistor (TFT) and the first film transistor correspond, and second thin film transistor (TFT) and driving
The connection type of chip is identical as the connection type of first film transistor and driving chip.
4. liquid crystal display panel according to claim 2, which is characterized in that the liquid crystal display panel further include: first
Interconnecting piece；First insulating layer, pixel electrode, second insulating layer, public electrode and first film transistor passivation layer on be all provided with
It is equipped with via hole；
The first connecting portion passes through the first insulating layer, pixel electrode, second insulating layer, public electrode and first film transistor
Passivation layer via hole connection light source and first film transistor drain electrode, to realize being electrically connected for each light source and driving chip
It connects.
5. liquid crystal display panel according to claim 4, which is characterized in that the first connecting portion include: insulation division and
Conductive part；
The insulating layer is enclosed in the side of the conductive part, for conductive part and the pixel electrode of insulating, is also used to the conduction that insulate
Portion and public electrode.
6. liquid crystal display panel according to claim 3, which is characterized in that the liquid crystal display panel further include: second
Interconnecting piece；Via hole is provided on the interlayer insulating film and gate insulation layer of second thin film transistor (TFT)；
The second connecting portion connects the leakage of light source and the second thin film transistor (TFT) by interlayer insulating film with the via hole of gate insulation layer
Electrode, to realize being electrically connected for light source and driving chip.
7. liquid crystal display panel according to claim 2 or 3, which is characterized in that the driving chip is electric to the pixel
The time that pole applies signal applies the time of signal earlier than the driving chip to the light source assembly.
8. liquid crystal display panel according to claim 2 or 3, which is characterized in that the driving chip is electric to the pixel
The voltage that pole applies is backward voltage, and the voltage that the driving chip applies to the light source assembly is forward voltage.
9. a kind of liquid crystal display device characterized by comprising LCD display as described in any one of claims 1 to 8
Plate.
10. a kind of production method of liquid crystal display panel, which is characterized in that according to any one of claims 1 to 8 for being made
Liquid crystal display panel, which comprises
First underlay substrate and driving chip are provided；
The shape pixel arranged into an array on the first underlay substrate, to form first substrate；
Second underlay substrate is provided；
Light source assembly is formed on the second underlay substrate, to form the second substrate；Wherein, the light source assembly includes: array row
The light source of column, orthographic projection of the light source on the second underlay substrate cover positive throwing of at least one pixel in the second substrate
Shadow, each light source are electrically connected with driving chip, for emitting beam under the control of driving chip；
The first substrate and the second substrate are oppositely arranged.
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