CN107991818A - Liquid crystal display panel of thin film transistor and liquid crystal display - Google Patents

Liquid crystal display panel of thin film transistor and liquid crystal display Download PDF

Info

Publication number
CN107991818A
CN107991818A CN201711287472.XA CN201711287472A CN107991818A CN 107991818 A CN107991818 A CN 107991818A CN 201711287472 A CN201711287472 A CN 201711287472A CN 107991818 A CN107991818 A CN 107991818A
Authority
CN
China
Prior art keywords
sub
film transistor
thin film
pixel
tft
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201711287472.XA
Other languages
Chinese (zh)
Inventor
刘司洋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TCL China Star Optoelectronics Technology Co Ltd
Original Assignee
Shenzhen China Star Optoelectronics Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen China Star Optoelectronics Technology Co Ltd filed Critical Shenzhen China Star Optoelectronics Technology Co Ltd
Priority to CN201711287472.XA priority Critical patent/CN107991818A/en
Publication of CN107991818A publication Critical patent/CN107991818A/en
Pending legal-status Critical Current

Links

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
    • G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
    • G02F1/1362—Active matrix addressed cells
    • G02F1/136286—Wiring, e.g. gate line, drain line
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
    • G02F1/1362—Active matrix addressed cells
    • G02F1/1368—Active matrix addressed cells in which the switching element is a three-electrode device
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
    • H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
    • H01L27/12—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body
    • H01L27/1214—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Nonlinear Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • General Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Computer Hardware Design (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Liquid Crystal (AREA)

Abstract

The embodiment of the invention discloses a kind of liquid crystal display panel of thin film transistor, including：Multi-strip scanning line, it is extended in a first direction；A plurality of data lines, it extends along the second direction vertical with first direction；Multiple pixel units, each pixel unit include red sub-pixel, green sub-pixels, blue subpixels and white sub-pixels, and the sub-pixel is electrically connected with scan line and data cable respectively, and each sub-pixel includes main pixel electrode and sub-pixel electrode；Wherein, when data cable inputs equalized data signal to sub-pixel, the pressure difference in red sub-pixel, blue subpixels, green sub-pixels between main pixel electrode and sub-pixel electrode is more than the pressure difference in white sub-pixels between main pixel electrode and sub-pixel electrode.The embodiment of the present invention also provides a kind of liquid crystal display.Using the present invention, there is to improve colour cast during the big visual angle of film transistor display panel.

Description

Liquid crystal display panel of thin film transistor and liquid crystal display
Technical field
The present invention relates to display technology field, more particularly to a kind of liquid crystal display panel of thin film transistor and liquid crystal display Device.
Background technology
In thin film transistor liquid crystal display field, liquid crystal display panel of thin film transistor generally comprise red sub-pixel (R), Green sub-pixels (G) and blue subpixels (B), the penetrance of such a RGB display panels is than relatively low, existing in order to improve penetrance There is technology to propose and also add white sub-pixels, namely liquid crystal display panel of thin film transistor includes red sub-pixel (R), green Sub-pixels (G), blue subpixels (B) and white sub-pixels (W).However, after adding white sub-pixels, film is often aggravated The big visual angle colour cast of transistor liquid crystal display (TFT-LCD) panel, referring to Fig. 1, (gamma value r=2.2, carries out when visual angle is 60 ° in Fig. 1 Observation), from figure 1 it appears that red sub-pixel, green sub-pixels, blue subpixels exist during big visual angle (being 60 ° in Fig. 1) It is many to deviate standard curve when showing grayscale, namely colour cast is very serious, particularly in during low grayscale, here it is RGBW to show The reason for panel colour cast under most of pictures is more serious than RGB display panel, using CESI specifications as explanation, same architecture RGBW display panels can decline 10 ° or so than the visible angle of RGB display panel, so as to cause to show not in the case of big visual angle It is good.
The content of the invention
Technical problem to be solved of the embodiment of the present invention is, there is provided a kind of liquid crystal display panel of thin film transistor and liquid Crystal display.Colour cast during the big visual angle of film transistor display panel can be improved.
In order to solve the above-mentioned technical problem, first aspect present invention embodiment provides a kind of thin film transistor liquid crystal display Panel, including：
Multi-strip scanning line, it is extended in a first direction；
A plurality of data lines, it extends along the second direction vertical with first direction；
Multiple pixel units, each pixel unit include red sub-pixel, green sub-pixels, blue subpixels and white Pixel, the sub-pixel are electrically connected with scan line and data cable respectively, and each sub-pixel includes main pixel electrode and sub-pixel Electrode；Wherein,
When data cable inputs equalized data signal to sub-pixel, in red sub-pixel, blue subpixels, green sub-pixels Pressure difference between main pixel electrode and sub-pixel electrode is more than in white sub-pixels between main pixel electrode and sub-pixel electrode Pressure difference.
In one embodiment of first aspect present invention, further include：A plurality of public electrode wire, it is used to provide common electric voltage； Wherein, each sub-pixel further includes first film transistor, the second thin film transistor (TFT) and the 3rd thin film transistor (TFT), and described first is thin Film transistor, the second thin film transistor (TFT), the 3rd thin film transistor (TFT) are simultaneously turned on, simultaneously closed off, the first film transistor, The source electrode of two thin film transistor (TFT)s is electrically connected same data line, and the drain electrode of the first film transistor is electrically connected main pixel electricity Pole, the drain electrode of second thin film transistor (TFT) are electrically connected sub-pixel electrode, and the source electrode of the 3rd thin film transistor (TFT) is electrically connected the The drain electrode of two thin film transistor (TFT)s, the drain electrode of the 3rd thin film transistor (TFT) are electrically connected public electrode wire；Wherein, it is sub with the red The breadth length ratio of the raceway groove for the 3rd thin film transistor (TFT) that pixel, blue subpixels, green sub-pixels are electrically connected is more than and the sub- picture of white The breadth length ratio of the raceway groove for the 3rd thin film transistor (TFT) that element is electrically connected.
In one embodiment of first aspect present invention, it is electrically connected with the red sub-pixel, blue subpixels, green sub-pixels The width of the raceway groove of the 3rd thin film transistor (TFT) connect is more than the raceway groove for the 3rd thin film transistor (TFT) being electrically connected with white sub-pixels Width, the length of the raceway groove for the 3rd thin film transistor (TFT) being electrically connected with the red sub-pixel, blue subpixels, green sub-pixels Equal to the length of the raceway groove for the 3rd thin film transistor (TFT) being electrically connected with white sub-pixels.
In one embodiment of first aspect present invention, it is electrically connected with the red sub-pixel, blue subpixels, green sub-pixels The width range of the raceway groove of the 3rd thin film transistor (TFT) connect is 15 μm -35 μm.
In one embodiment of first aspect present invention, it is electrically connected with the red sub-pixel, blue subpixels, green sub-pixels The length range of the raceway groove of the 3rd thin film transistor (TFT) connect is 3 μm~5 μm.
In one embodiment of first aspect present invention, the raceway groove for the 3rd thin film transistor (TFT) being electrically connected with white sub-pixels Width range is 5 μm~15 μm.
In one embodiment of first aspect present invention, the first film transistor, the second thin film transistor (TFT), the 3rd film The grid of transistor is electrically connected to same scan line.
In one embodiment of first aspect present invention, it is electrically connected with the red sub-pixel, blue subpixels, green sub-pixels The width of the raceway groove of the 3rd thin film transistor (TFT) connect is equal to the raceway groove for the 3rd thin film transistor (TFT) being electrically connected with white sub-pixels Width, the length of the raceway groove for the 3rd thin film transistor (TFT) being electrically connected with the red sub-pixel, blue subpixels, green sub-pixels Less than the length of the raceway groove for the 3rd thin film transistor (TFT) being electrically connected with white sub-pixels.
In one embodiment of first aspect present invention, the area of the main pixel electrode is less than the face of the sub-pixel electrode Product.
Second aspect of the present invention embodiment provides a kind of liquid crystal display, including above-mentioned thin film transistor liquid crystal display Panel.
Implement the embodiment of the present invention, have the advantages that：
Due to when data cable inputs equalized data signal to sub-pixel, red sub-pixel, blue subpixels, the sub- picture of green Pressure difference in element between main pixel electrode and sub-pixel electrode be more than in white sub-pixels main pixel electrode and sub-pixel electrode it Between pressure difference.So as to by by main pixel electrode in red sub-pixel, blue subpixels, green sub-pixels and sub-pixel electrode Between pressure difference design it is larger, colour cast problem can be improved in the case of big visual angle.In this way, the colour cast of whole display panel is asked Topic is improved, so that the image of display panel is observed also relatively true in the case of big visual angle, display effect is preferable； It is additionally, since display panel and adds white sub-pixels, so that the light transmittance of whole display panel is also relatively good, reduces energy Consumption.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing There is attached drawing needed in technology description to be briefly described, it should be apparent that, drawings in the following description are only this Some embodiments of invention, for those of ordinary skill in the art, without creative efforts, can be with Other attached drawings are obtained according to these attached drawings.
Fig. 1 be the prior art liquid crystal display panel of thin film transistor in red sub-pixel, green sub-pixels, the sub- picture of blueness Element, the schematic diagram of white sub-pixels grayscale-penetrance at 60 ° of visual angles (big visual angle)；
Fig. 2 is the schematic diagram of one sub-pixel of one embodiment of the invention liquid crystal display panel of thin film transistor；
Fig. 3 is the schematic diagram of one of the first film transistor, the second thin film transistor (TFT)；
Fig. 4 is the circuit diagram of one sub-pixel of one embodiment of the invention liquid crystal display panel of thin film transistor；
Shown by reference numeral：
The main pixel electrodes of 101-；102- sub-pixel electrodes；103- scan lines；104- data cables；105- public electrode wires； T1- first film transistors；The second thin film transistor (TFT)s of T2-；The 3rd thin film transistor (TFT)s of T3-.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, those of ordinary skill in the art are obtained every other without creative efforts Embodiment, belongs to the scope of protection of the invention.
The term " comprising " and " having " occurred in present specification, claims and attached drawing and their any changes Shape, it is intended that cover non-exclusive include.Such as contain the process of series of steps or unit, method, system, product or The step of equipment is not limited to list or unit, but the step of not listing or unit are alternatively further included, or it is optional Ground is further included for the intrinsic other steps of these processes, method, product or equipment or unit.In addition, term " first ", " the Two " and " the 3rd " etc. are for distinguishing different objects, and are not intended to describe specific order.
The embodiment of the present invention provides a kind of liquid crystal display panel of thin film transistor, refers to Fig. 2-Fig. 4, and the film is brilliant Body pipe liquid crystal display panel includes multi-strip scanning line 103, a plurality of data lines 104 and multiple pixel units.
In the present embodiment, a plurality of scan line 103 is parallel to each other, extends in a first direction, in the present embodiment, institute It is X-direction to state first direction.
In the present embodiment, a plurality of data cable 104 is parallel to each other, prolongs along the second direction vertical with first direction Stretch, the second direction is Y direction in the present embodiment.The a plurality of data cable 104 is intersected to form with multi-strip scanning line 103 Multiple pixel regions, the pixel region are rectangular.
In the present embodiment, each pixel unit includes a red sub-pixel, a blue subpixels, green Pixel and a white sub-pixels, each sub-pixel are formed in a pixel region, the sub-pixel respectively with scan line and Data cable be electrically connected, the red sub-pixel, blue subpixels, green sub-pixels and white sub-pixels it is elongated arrangement or In two rows and two row arrangements.In the present embodiment, each sub-pixel includes a main pixel electrode 101 (main pixel) and one A sub-pixel electrode 102 (sub pixel), is specially red sub-pixel, blue subpixels, green sub-pixels and white sub-pixels In any one include main pixel electrode 101 and sub-pixel electrode 102, for the ease of difference, it is in the present embodiment, described red Sub-pixels, blue subpixels, the main pixel electrode 101 of green sub-pixels and sub-pixel electrode 102 are known as the first main pixel electricity Pole 101, first time pixel electrode 102, the main pixel electrode 101 and sub-pixel electrode 102 of the white sub-pixels are known as second Main pixel electrode 101, second of pixel electrode 102.The first main pixel electrode 101, the second main pixel electrode 101, first Sub-pixel electrode 102, second of pixel electrode 102 are electrically connected with scan line 103 and data cable 104 respectively.
It was found by the inventors of the present invention that in sub-pixel, the pressure difference of main pixel electrode 101 and sub-pixel electrode 102 is bigger, Colour cast is with regard to smaller under big visual angle.Using this principle, the present inventor is by increasing main pixel electrode 101 in sub-pixel Pressure difference between sub-pixel electrode 102, come realize in the case of big visual angle improve background technology in colour cast the problem of.Specifically Come, in the present embodiment, after data cable 104 inputs equalized data signal to sub-pixel, the first main pixel electrode 101 and first Pressure difference between sub-pixel electrode 102 is more than the pressure difference between the second main pixel electrode 101 and second of pixel electrode 102, That is, the pressure difference in red sub-pixel, blue subpixels, green sub-pixels between main pixel electrode 101 and sub-pixel electrode 102 is big Pressure difference in white sub-pixels between main pixel electrode 101 and sub-pixel electrode 102, for example, the first main 101 He of pixel electrode Pressure difference between first time pixel electrode 102 is 2V, the pressure between the second main pixel electrode 101 and second of pixel electrode 102 Difference is 1.8V.So as to by the way that main pixel electrode 101 in red sub-pixel, blue subpixels, green sub-pixels and sub-pixel is electric Pressure difference design between pole 102 is larger, so that, colour cast problem can be improved in the case of big visual angle, furthermore, white sub-pixels Colour cast problem itself is with regard to relatively good, so that the pressure difference of white sub-pixels need not increase.In this way, the colour cast of whole display panel is asked Topic is improved, so that the image of display panel is observed also relatively true in the case of big visual angle, display effect is preferable； It is additionally, since display panel and adds white sub-pixels, so that the light transmittance of whole display panel is also relatively good, reduces energy Consumption.
In the present embodiment, the liquid crystal display panel of thin film transistor further includes a plurality of public electrode wire 105, described more Bar public electrode wire 105 is used to provide common electric voltage.
In the present embodiment, Fig. 2 and Fig. 4 are referred to, each sub-pixel further includes first film transistor T1, the second film Transistor T2 and the 3rd thin film transistor (TFT) T3, the first film transistor T1, the second thin film transistor (TFT) T2, the 3rd film crystal Pipe T3 and same sub-pixel are electrically connected.Particularly, the first film transistor T1, the second thin film transistor (TFT) T2 and the 3rd Thin film transistor (TFT) T3 is simultaneously turned on, simultaneously closed off, in the present embodiment, the first film transistor T1, the second film crystal The grid of pipe T2 and the 3rd thin film transistor (TFT) T3 are electrically connected same scan line 103；The first film transistor T1, second The source electrode of thin film transistor (TFT) T2 is electrically connected same data line 104, and the drain electrode of the first film transistor T1 is electrically connected main picture Plain electrode 101, the drain electrode of the second thin film transistor (TFT) T2 are electrically connected sub-pixel electrode 102, the 3rd thin film transistor (TFT) T3 Source electrode be electrically connected the drain electrode of the second thin film transistor (TFT) T2, the drain electrode of the 3rd thin film transistor (TFT) T3 is electrically connected public electrode wire 105.So as to which when scan line 103 is high level, first film transistor T1, the second thin film transistor (TFT) T2 and the 3rd film are brilliant Body pipe T3 is simultaneously turned on, and at this time, the data-signal on data cable 104 is brilliant via first film transistor T1, the second film respectively Body pipe T2 is transferred to main pixel electrode 101 and sub-pixel electrode 102, this is charging process, simultaneously as the 3rd film crystal Pipe T3 is turned on, so that the voltage on sub-pixel electrode 102 is discharged on public electrode wire 105 via the 3rd thin film transistor (TFT) T3, So as to which although data-signal is identical, the voltage on main pixel electrode 101 and sub-pixel electrode 102 can be different, there is pressure Difference.
In order to which the pressure difference realized between the first main pixel electrode 101 and first time pixel electrode 102 is more than the second main pixel Pressure difference between electrode 101 and second of pixel electrode 102, in the present embodiment, with the red sub-pixel, the sub- picture of blueness Breadth length ratio (the W of the raceway groove for the 3rd thin film transistor (TFT) T3 that element, green sub-pixels are electrically connectedRBG/LRBG) be more than and white sub-pixels Breadth length ratio (the W of the raceway groove for the 3rd thin film transistor (TFT) T3 being electrically connectedW/LW).Particularly, it is sub with the red sub-pixel, blueness The breadth length ratio of the raceway groove for the 3rd thin film transistor (TFT) T3 that pixel, green sub-pixels are electrically connected is identical, and the width range of raceway groove is 15 μ M-35 μm, be, for example, 15 μm, 20 μm, 25 μm, 30 μm, 35 μm etc., and the length range of raceway groove is 3 μm~5 μm, for example, 3 μm, 3.5 μm, 4 μm, 4.5 μm, 5 μm etc..In the present embodiment, the raceway groove for the 3rd thin film transistor (TFT) T3 being electrically connected with white sub-pixels Length and the 3rd thin film transistor (TFT) T3 being electrically connected with the red sub-pixel, blue subpixels, green sub-pixels raceway groove Length it is identical, also for 3 μm~5 μm, the width of the raceway groove for the 3rd thin film transistor (TFT) T3 being electrically connected with white sub-pixels is less than The width of the raceway groove for the 3rd thin film transistor (TFT) T3 being electrically connected with the red sub-pixel, blue subpixels, green sub-pixels, tool Body is that the width range of the raceway groove for the 3rd thin film transistor (TFT) T3 being electrically connected with white sub-pixels is 5 μm~15 μm, is, for example, 5 μ M, 7 μm, 10 μm, 12 μm, 15 μm etc..Since the breadth length ratio of the 3rd thin film transistor (TFT) T3 is bigger, when the 3rd thin film transistor (TFT) T3 is opened Qi Shi, its conducting electric current is bigger, so that when being high level in scan line 103, flows through and the red sub-pixel, blueness The electric current on the 3rd thin film transistor (TFT) T3 that pixel, green sub-pixels are electrically connected is more than for flowing through and being electrically connected with white sub-pixels Electric current on three thin film transistor (TFT) T3, so as to cause the sub-pixel electrode in red sub-pixel, blue subpixels, green sub-pixels 102 electric discharges are more, cause thereon voltage it is relatively small, and it is less to discharge on the sub-pixel electrode 102 in white sub-pixels, causes Voltage is relatively large thereon, due to main pixel electrode in red sub-pixel, blue subpixels, green sub-pixels and white sub-pixels Voltage on 101 is identical, so that main pixel electrode 101 and sub-pixel electricity in red sub-pixel, blue subpixels, green sub-pixels Pressure difference between pole 102 is more than the pressure difference in white sub-pixels between main pixel electrode 101 and sub-pixel electrode 102.In addition, In the other embodiment of the present invention, the 3rd film being electrically connected with the red sub-pixel, blue subpixels, green sub-pixels is brilliant The width dimensions of the raceway groove of body pipe are equal to the width dimensions of the raceway groove for the 3rd thin film transistor (TFT) being electrically connected with white sub-pixels, with The length dimension of the raceway groove for the 3rd thin film transistor (TFT) that the red sub-pixel, blue subpixels, green sub-pixels are electrically connected is small In the length dimension of the raceway groove for the 3rd thin film transistor (TFT) being electrically connected with white sub-pixels.In addition, in the other embodiment of invention In, the broad-ruler of the raceway groove for the 3rd thin film transistor (TFT) being electrically connected with the red sub-pixel, blue subpixels, green sub-pixels Very little, length dimension is different from width dimensions, the length ruler of the raceway groove for the 3rd thin film transistor (TFT) being electrically connected with white sub-pixels It is very little.
In the present embodiment, Fig. 2 and Fig. 3 are referred to, the 3rd thin film transistor (TFT) T3 is I types, and the first film is brilliant Body pipe T1, the second thin film transistor (TFT) T2 are the shape of a hoof, wherein, the length and width dimensional measurement mode of the 3rd thin film transistor (TFT) T3 Shown in figure, the first film transistor T1, the second thin film transistor (TFT) T2 channel width-over-length ratio (referring to Fig. 3) can be with It is expressed as：
Wherein, a is the internal diameter of raceway groove arch section, and b is the outside diameter of raceway groove arch section, and c is the length of raceway groove straight line portion Degree.
In the present embodiment, by adjusting the size of the outside diameter b of arch section, to adjust first film transistor T1, second The channel width of thin film transistor (TFT) T2, and then adjust breadth length ratio.In addition, in other embodiments of the invention, the described 3rd is thin Film transistor can also be shape of a hoof thin film transistor (TFT).In other embodiments of the invention, a thin film transistor (TFT), second Thin film transistor (TFT) can also be I type thin film transistor (TFT)s.
In the present embodiment, the area of the main pixel electrode 101 is less than the area of the sub-pixel electrode 102.At this In embodiment, 4 regions (4domain) are formed in the main pixel electrode 101,4 areas are formed in the sub-pixel electrode 102 How domain, specific each sub-pixel form the ordinary technical knowledge that 8domain is this area, just repeat no more herein.
In addition, liquid crystal display panel of thin film transistor further includes array base palte, color membrane substrates and liquid crystal layer, wherein, scanning Line 103, data cable 104, pixel unit, the 3rd thin film transistor (TFT) T3 of first film transistor T1-, public electrode wire 105 are formed On array base palte, form common electrode layer CFcom on color membrane substrates, the liquid crystal layer be located at array base palte and color membrane substrates it Between.In the present embodiment, the main pixel electrode, sub-pixel electrode, liquid crystal layer, common electrode layer CFcom form pixel capacitance.
In addition, the embodiment of the present invention also provides a kind of liquid crystal display, it includes above-mentioned thin film transistor liquid crystal display Panel.
It should be noted that each embodiment in this specification is described by the way of progressive, each embodiment weight Point explanation is all difference with other embodiments, between each embodiment identical similar part mutually referring to. For device embodiment, since it is substantially similar to embodiment of the method, so description is fairly simple, related part referring to The part explanation of embodiment of the method.
The above disclosure is only the preferred embodiments of the present invention, cannot limit the right model of the present invention with this certainly Enclose, therefore equivalent variations made according to the claims of the present invention, it is still within the scope of the present invention.

Claims (10)

  1. A kind of 1. liquid crystal display panel of thin film transistor, it is characterised in that including：
    Multi-strip scanning line, it is extended in a first direction；
    A plurality of data lines, it extends along the second direction vertical with first direction；
    Multiple pixel units, each pixel unit include red sub-pixel, green sub-pixels, blue subpixels and the sub- picture of white Element, the sub-pixel are electrically connected with scan line and data cable respectively, and each sub-pixel includes main pixel electrode and sub-pixel electricity Pole；Wherein,
    When data cable inputs equalized data signal to sub-pixel, main picture in red sub-pixel, blue subpixels, green sub-pixels Pressure difference between plain electrode and sub-pixel electrode is more than the pressure difference in white sub-pixels between main pixel electrode and sub-pixel electrode.
  2. 2. liquid crystal display panel of thin film transistor as claimed in claim 1, it is characterised in that further include：
    A plurality of public electrode wire, it is used to provide common electric voltage；Wherein,
    Each sub-pixel further includes first film transistor, the second thin film transistor (TFT) and the 3rd thin film transistor (TFT), and described first is thin Film transistor, the second thin film transistor (TFT), the 3rd thin film transistor (TFT) are simultaneously turned on, simultaneously closed off, the first film transistor, The source electrode of two thin film transistor (TFT)s is electrically connected same data line, and the drain electrode of the first film transistor is electrically connected main pixel electricity Pole, the drain electrode of second thin film transistor (TFT) are electrically connected sub-pixel electrode, and the source electrode of the 3rd thin film transistor (TFT) is electrically connected the The drain electrode of two thin film transistor (TFT)s, the drain electrode of the 3rd thin film transistor (TFT) are electrically connected public electrode wire；Wherein,
    The width of the raceway groove for the 3rd thin film transistor (TFT) being electrically connected with the red sub-pixel, blue subpixels, green sub-pixels is long Than the breadth length ratio of the raceway groove more than the 3rd thin film transistor (TFT) being electrically connected with white sub-pixels.
  3. 3. liquid crystal display panel of thin film transistor as claimed in claim 2, it is characterised in that with the red sub-pixel, indigo plant The width of the raceway groove for the 3rd thin film transistor (TFT) that sub-pixels, green sub-pixels are electrically connected is more than what is be electrically connected with white sub-pixels The width of the raceway groove of 3rd thin film transistor (TFT), the 3rd be electrically connected with the red sub-pixel, blue subpixels, green sub-pixels The length of the raceway groove of thin film transistor (TFT) is equal to the length of the raceway groove for the 3rd thin film transistor (TFT) being electrically connected with white sub-pixels.
  4. 4. liquid crystal display panel of thin film transistor as claimed in claim 3, it is characterised in that with the red sub-pixel, indigo plant The width range of the raceway groove for the 3rd thin film transistor (TFT) that sub-pixels, green sub-pixels are electrically connected is 15 μm -35 μm.
  5. 5. liquid crystal display panel of thin film transistor as claimed in claim 3, it is characterised in that with the red sub-pixel, indigo plant The length range of the raceway groove for the 3rd thin film transistor (TFT) that sub-pixels, green sub-pixels are electrically connected is 3 μm~5 μm.
  6. 6. liquid crystal display panel of thin film transistor as claimed in claim 3, it is characterised in that be electrically connected with white sub-pixels The width range of the raceway groove of 3rd thin film transistor (TFT) is 5 μm~15 μm.
  7. 7. liquid crystal display panel of thin film transistor as claimed in claim 2, it is characterised in that the first film transistor, Second thin film transistor (TFT), the grid of the 3rd thin film transistor (TFT) are electrically connected to same scan line.
  8. 8. liquid crystal display panel of thin film transistor as claimed in claim 2, it is characterised in that with the red sub-pixel, indigo plant The width of the raceway groove for the 3rd thin film transistor (TFT) that sub-pixels, green sub-pixels are electrically connected is equal to what is be electrically connected with white sub-pixels The width of the raceway groove of 3rd thin film transistor (TFT), the 3rd be electrically connected with the red sub-pixel, blue subpixels, green sub-pixels The length of the raceway groove of thin film transistor (TFT) is less than the length of the raceway groove for the 3rd thin film transistor (TFT) being electrically connected with white sub-pixels.
  9. 9. liquid crystal display panel of thin film transistor as claimed in claim 1, it is characterised in that the area of the main pixel electrode Less than the area of the sub-pixel electrode.
  10. 10. a kind of liquid crystal display, it is characterised in that including the thin film transistor (TFT) liquid as described in claim 1-9 any one LCD panel.
CN201711287472.XA 2017-12-07 2017-12-07 Liquid crystal display panel of thin film transistor and liquid crystal display Pending CN107991818A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711287472.XA CN107991818A (en) 2017-12-07 2017-12-07 Liquid crystal display panel of thin film transistor and liquid crystal display

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711287472.XA CN107991818A (en) 2017-12-07 2017-12-07 Liquid crystal display panel of thin film transistor and liquid crystal display

Publications (1)

Publication Number Publication Date
CN107991818A true CN107991818A (en) 2018-05-04

Family

ID=62036923

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711287472.XA Pending CN107991818A (en) 2017-12-07 2017-12-07 Liquid crystal display panel of thin film transistor and liquid crystal display

Country Status (1)

Country Link
CN (1) CN107991818A (en)

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108732806A (en) * 2018-05-29 2018-11-02 上海天马微电子有限公司 Display panel, display device, and method for manufacturing display panel
CN109307965A (en) * 2018-12-05 2019-02-05 惠科股份有限公司 Display panel and display device
CN109581772A (en) * 2018-12-24 2019-04-05 惠科股份有限公司 Display panel and display device
CN109613770A (en) * 2018-12-29 2019-04-12 惠科股份有限公司 Array substrate and manufacturing method thereof
CN109634015A (en) * 2018-12-29 2019-04-16 惠科股份有限公司 array substrate and display panel thereof
CN110109296A (en) * 2019-04-12 2019-08-09 深圳市华星光电半导体显示技术有限公司 A kind of array substrate and liquid crystal display device
CN111258142A (en) * 2020-03-16 2020-06-09 Tcl华星光电技术有限公司 Pixel driving circuit and display panel
CN111308802A (en) * 2020-03-12 2020-06-19 Tcl华星光电技术有限公司 Array substrate and display panel
CN111487820A (en) * 2020-05-09 2020-08-04 Tcl华星光电技术有限公司 Array substrate and display panel
CN111628004A (en) * 2020-05-18 2020-09-04 深圳市华星光电半导体显示技术有限公司 Low-delay thin film transistor, array substrate and display panel
CN112017545A (en) * 2020-09-03 2020-12-01 Tcl华星光电技术有限公司 Display panel and display device
WO2021103203A1 (en) * 2019-11-27 2021-06-03 深圳市华星光电半导体显示技术有限公司 Display panel and electronic device
WO2021102972A1 (en) * 2019-11-29 2021-06-03 京东方科技集团股份有限公司 Array substrate, manufacturing method therefor, display apparatus, and display substrate
CN113176691A (en) * 2021-04-02 2021-07-27 Tcl华星光电技术有限公司 Array substrate and display panel
CN113325645A (en) * 2021-05-31 2021-08-31 Tcl华星光电技术有限公司 Pixel structure, design method thereof and display panel
WO2021203543A1 (en) * 2020-04-08 2021-10-14 Tcl华星光电技术有限公司 Pixel unit, array substrate, and display panel
CN114153098A (en) * 2021-11-30 2022-03-08 惠科股份有限公司 First substrate, display panel, liquid crystal display and display device
US11404580B2 (en) 2020-09-03 2022-08-02 Tcl China Star Optoelectronics Technology Co., Ltd. Display panel and display device
CN115016185A (en) * 2022-06-16 2022-09-06 武汉华星光电技术有限公司 Display panel and preparation method thereof
US11636809B2 (en) 2019-11-29 2023-04-25 Chengdu Boe Optoelectronics Technology Co., Ltd. Display substrate and display device
WO2023184606A1 (en) * 2022-04-02 2023-10-05 惠州华星光电显示有限公司 Display panel

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101592829A (en) * 2008-05-27 2009-12-02 上海广电Nec液晶显示器有限公司 Thin film transistor (TFT) in the liquid crystal indicator and manufacture method thereof
CN104865763A (en) * 2015-06-12 2015-08-26 深圳市华星光电技术有限公司 Array substrate
CN105093740A (en) * 2015-08-04 2015-11-25 深圳市华星光电技术有限公司 Array substrate, liquid crystal display panel and liquid crystal display device with liquid crystal display panel
US20160178954A1 (en) * 2014-12-18 2016-06-23 Samsung Display Co., Ltd. Liquid crystal display device having white pixel
CN105892174A (en) * 2016-06-15 2016-08-24 深圳爱易瑞科技有限公司 Convenient-to-assemble liquid crystal display panel with high display quality, and display device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101592829A (en) * 2008-05-27 2009-12-02 上海广电Nec液晶显示器有限公司 Thin film transistor (TFT) in the liquid crystal indicator and manufacture method thereof
US20160178954A1 (en) * 2014-12-18 2016-06-23 Samsung Display Co., Ltd. Liquid crystal display device having white pixel
CN104865763A (en) * 2015-06-12 2015-08-26 深圳市华星光电技术有限公司 Array substrate
CN105093740A (en) * 2015-08-04 2015-11-25 深圳市华星光电技术有限公司 Array substrate, liquid crystal display panel and liquid crystal display device with liquid crystal display panel
CN105892174A (en) * 2016-06-15 2016-08-24 深圳爱易瑞科技有限公司 Convenient-to-assemble liquid crystal display panel with high display quality, and display device

Cited By (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108732806A (en) * 2018-05-29 2018-11-02 上海天马微电子有限公司 Display panel, display device, and method for manufacturing display panel
CN109307965A (en) * 2018-12-05 2019-02-05 惠科股份有限公司 Display panel and display device
US11333945B2 (en) 2018-12-05 2022-05-17 HKC Corporation Limited Display panel and display apparatus
CN109307965B (en) * 2018-12-05 2021-08-06 惠科股份有限公司 Display panel and display device
CN109581772A (en) * 2018-12-24 2019-04-05 惠科股份有限公司 Display panel and display device
CN109613770A (en) * 2018-12-29 2019-04-12 惠科股份有限公司 Array substrate and manufacturing method thereof
CN109634015A (en) * 2018-12-29 2019-04-16 惠科股份有限公司 array substrate and display panel thereof
CN110109296A (en) * 2019-04-12 2019-08-09 深圳市华星光电半导体显示技术有限公司 A kind of array substrate and liquid crystal display device
WO2021103203A1 (en) * 2019-11-27 2021-06-03 深圳市华星光电半导体显示技术有限公司 Display panel and electronic device
CN113196160B (en) * 2019-11-29 2023-12-01 京东方科技集团股份有限公司 Array substrate, manufacturing method thereof, display device and display substrate
US11636809B2 (en) 2019-11-29 2023-04-25 Chengdu Boe Optoelectronics Technology Co., Ltd. Display substrate and display device
US11653530B2 (en) 2019-11-29 2023-05-16 Chengdu Boe Optoelectronics Technology Co., Ltd. Display substrate and display device
WO2021102972A1 (en) * 2019-11-29 2021-06-03 京东方科技集团股份有限公司 Array substrate, manufacturing method therefor, display apparatus, and display substrate
CN113196160A (en) * 2019-11-29 2021-07-30 京东方科技集团股份有限公司 Array substrate, manufacturing method thereof, display device and display substrate
US11296171B2 (en) 2019-11-29 2022-04-05 Chengdu Boe Optoelectronics Technology Co., Ltd. Display substrate and display device
US11974465B2 (en) 2019-11-29 2024-04-30 Chengdu Boe Optoelectronics Technology Co., Ltd. Display substrate and display device
CN111308802B (en) * 2020-03-12 2021-07-06 Tcl华星光电技术有限公司 Array substrate and display panel
US11537017B2 (en) 2020-03-12 2022-12-27 Tcl China Star Optoelectronics Technology Co., Ltd. Array substrate and display panel
CN111308802A (en) * 2020-03-12 2020-06-19 Tcl华星光电技术有限公司 Array substrate and display panel
WO2021184450A1 (en) * 2020-03-16 2021-09-23 Tcl华星光电技术有限公司 Pixel drive circuit and display panel
US11587520B2 (en) 2020-03-16 2023-02-21 Tcl China Star Optoelectronics Technology Co., Ltd. Pixel drive circuit and display panel
CN111258142A (en) * 2020-03-16 2020-06-09 Tcl华星光电技术有限公司 Pixel driving circuit and display panel
WO2021203543A1 (en) * 2020-04-08 2021-10-14 Tcl华星光电技术有限公司 Pixel unit, array substrate, and display panel
US11860497B2 (en) 2020-04-08 2024-01-02 Tcl China Star Optoelectronics Technology Co., Ltd. Pixel unit, array substrate, and display panel
CN111487820A (en) * 2020-05-09 2020-08-04 Tcl华星光电技术有限公司 Array substrate and display panel
WO2021227105A1 (en) * 2020-05-09 2021-11-18 Tcl华星光电技术有限公司 Array substrate and display panel
US11841597B2 (en) 2020-05-09 2023-12-12 Tcl China Star Optoelectronics Technology Co., Ltd. Array substrate and display panel
CN111628004A (en) * 2020-05-18 2020-09-04 深圳市华星光电半导体显示技术有限公司 Low-delay thin film transistor, array substrate and display panel
US11404580B2 (en) 2020-09-03 2022-08-02 Tcl China Star Optoelectronics Technology Co., Ltd. Display panel and display device
CN112017545A (en) * 2020-09-03 2020-12-01 Tcl华星光电技术有限公司 Display panel and display device
CN113176691A (en) * 2021-04-02 2021-07-27 Tcl华星光电技术有限公司 Array substrate and display panel
CN113176691B (en) * 2021-04-02 2023-12-08 Tcl华星光电技术有限公司 Array substrate and display panel
CN113325645B (en) * 2021-05-31 2022-05-31 Tcl华星光电技术有限公司 Pixel structure, design method thereof and display panel
CN113325645A (en) * 2021-05-31 2021-08-31 Tcl华星光电技术有限公司 Pixel structure, design method thereof and display panel
CN114153098A (en) * 2021-11-30 2022-03-08 惠科股份有限公司 First substrate, display panel, liquid crystal display and display device
WO2023184606A1 (en) * 2022-04-02 2023-10-05 惠州华星光电显示有限公司 Display panel
CN115016185A (en) * 2022-06-16 2022-09-06 武汉华星光电技术有限公司 Display panel and preparation method thereof
CN115016185B (en) * 2022-06-16 2024-01-30 武汉华星光电技术有限公司 Display panel and preparation method thereof

Similar Documents

Publication Publication Date Title
CN107991818A (en) Liquid crystal display panel of thin film transistor and liquid crystal display
CN104090440B (en) Pixel structure, liquid crystal display array substrate and liquid crystal display panel
CN105137688B (en) A kind of array base palte, display floater and driving method thereof
US9589515B2 (en) Display panel and display device
US9905146B2 (en) RGBW TFT LCD having reduced horizontal crosstalk
CN105243980B (en) Thin-film transistor array base-plate, display panel and the method for detecting pure color picture
JP6530138B2 (en) Wide viewing angle panel and display device
US8823892B2 (en) Liquid crystal display device
CN102349022A (en) Array substrate, liquid crystal panel, liquid crystal display device, and television receiver
CN106842746A (en) Active element array substrate and liquid crystal panel
CN104280970B (en) Array substrate and liquid crystal display panel
US20170178578A1 (en) Liquid crystal display (lcd) apparatus, lcd panel and driving method using the same
JP2018531429A6 (en) Wide viewing angle panel and display device
CN105629605B (en) Array substrate, liquid crystal display panel and liquid crystal display device
US20170097546A1 (en) Liquid crystal display device
CN104280938A (en) Color display panel and display device
CN106023872A (en) Display device and drive method thereof
CN105511187A (en) Display panel and display device
US20180231814A1 (en) Pixel structure, driving method thereof, display substrate and display device
CN106932978B (en) Pixel structure
US9671656B2 (en) Liquid crystal display
CN108459446A (en) A kind of liquid crystal display
CN104330936B (en) Display panel and display device
CN105278133A (en) Liquid crystal display device
CN105870129B (en) Display and pixel structure thereof

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20180504

RJ01 Rejection of invention patent application after publication