CN109445149B - A kind of liquid crystal display device - Google Patents
A kind of liquid crystal display device Download PDFInfo
- Publication number
- CN109445149B CN109445149B CN201910070433.7A CN201910070433A CN109445149B CN 109445149 B CN109445149 B CN 109445149B CN 201910070433 A CN201910070433 A CN 201910070433A CN 109445149 B CN109445149 B CN 109445149B
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- Prior art keywords
- liquid crystal
- transparent electrode
- parallel
- array substrate
- display device
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
-
- 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
- G02F1/1343—Electrodes
-
- 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
- G02F1/1343—Electrodes
- G02F1/134309—Electrodes characterised by their geometrical arrangement
- G02F1/134372—Electrodes characterised by their geometrical arrangement for fringe field switching [FFS] where the common electrode is not patterned
Abstract
The present invention provides a kind of liquid crystal display device, including color membrane substrates and array substrate and liquid crystal molecule, the array substrate is equipped with pixel electrode layer, the color membrane substrates side or array substrate side are oppositely arranged two transparent electrode groups being parallel to each other, each transparent electrode group includes organic photoresist and the transparent conductive semiconductor film for covering organic photoresist, organic photoresist includes the first cylinder and the second cylinder for stacking setting, and the cross-sectional area of the first cylinder is greater than the second cylinder；When applying voltage to two transparent electrode groups, the parallel electric field for being parallel to color membrane substrates or array substrate is generated between two groups of transparent electrode groups.The present invention is by being oppositely arranged be parallel to each other two transparent electrode groups in color membrane substrates side and array substrate side, the parallel electric field for being parallel to liquid crystal alignment direction is generated when black state between two transparent electrode groups, alignment direction fixed force with improved dark state defect and is accelerated the OFF state response time when increasing black state under not influencing white state transmitance.
Description
Technical field
The present invention relates to display device manufacturing field, in particular to a kind of liquid crystal display device.
Background technique
Liquid crystal display device is a kind of current most popular panel display apparatus, wherein FFS(Fringe Field
Switching, fringe field switching technique) liquid crystal display device is because having the characteristics that viewing visual angle is wide, aperture opening ratio is high by user
Favor.As shown in Figures 1 to 4, FFS liquid crystal display device includes color membrane substrates 1, array substrate 2, positioned at liquid crystal between the two
Molecule 3, wherein array substrate 2 is equipped with common electrode layer 4, passivation layer 5, pixel electrode layer 6, both alignment layers 7, outside array substrate 2
Polaroid 9 is posted in side, and color membrane substrates 1 are equipped with both alignment layers 8, post polaroid 10 on the outside of color membrane substrates 1, light source 11 is irradiated to
On FFS liquid crystal display panel, general FFS display pattern does not give voltage when designing black state, to voltage when white state.This design black state when only according to
LCD alignment angle and OFF state recovery time are maintained by orientation power.The weaker black state of orientation power itself is easy caused by squeezing because of external force
Twist angle changes generation light leakage mura and OFF state recovery time is slower.
Summary of the invention
The object of the present invention is to provide a kind of liquid crystal display devices, it is intended to not influence to increase black state orientation under white state transmitance
Direction fixed force is with improved dark state mura and accelerates the OFF state response time.
The present invention provides a kind of liquid crystal display device, color membrane substrates and array substrate including being oppositely arranged and be located at coloured silk
Liquid crystal molecule between ilm substrate and array substrate, the array substrate is equipped with common electrode layer, common electrode layer is equipped with
Passivation layer, passivation layer be equipped with pixel electrode layer, and the color membrane substrates side and array substrate side, which are oppositely arranged, to be parallel to each other
Two transparent electrode groups, each transparent electrode group include organic photoresist and the transparent conductive semiconductor film for covering organic photoresist, institute
Stating organic photoresist includes the first cylinder and the second cylinder for stacking setting, and the first cylinder is close to color membrane substrates or array substrate, and the
For two cylinders far from color membrane substrates or array substrate, the cross-sectional area of the first cylinder is greater than the cross-sectional area of the second cylinder；When to two
When a transparent electrode group applies voltage, the parallel electricity for being parallel to color membrane substrates or array substrate is generated between two groups of transparent electrode groups
?.
Further, liquid crystal molecule is positive liquid crystal molecules, and described two transparent electrode groups are initially matched with positive liquid crystal molecules
It is vertical to direction.
Further, the pixel electrode layer is multiple perpendicular pixel electrodes for raising arrangement being parallel to each other or multiple horizontal raises arrangement
Pixel electrode.
Further, the liquid crystal molecule is negative liquid crystal molecule, at the beginning of described two transparent electrode groups and negative liquid crystal molecule
Beginning alignment direction is parallel.
Further, the pixel electrode layer is multiple perpendicular pixel electrodes for raising arrangement being parallel to each other or multiple horizontal raises arrangement
Pixel electrode.
Further, liquid crystal molecule is positivity liquid crystal molecule containing photosensitive monomer, and described two transparent electrode groups and positivity contain light
The quick initial alignment direction of monomer liquid crystal molecule is vertical.
Further, the pixel electrode layer is multiple perpendicular pixel electrodes for raising arrangement being parallel to each other or multiple horizontal raises arrangement
Pixel electrode.
Further, the transparent electrode group with a thickness of liquid crystal display device box it is thick 25%~90%.
Further, the color membrane substrates or color membrane substrates are equipped with both alignment layers, and a transparent electrode group is located at the orientation
The side of layer, another transparent electrode group are located at the other side of the both alignment layers.
The present invention is black by being oppositely arranged be parallel to each other two transparent electrode groups in color membrane substrates side and array substrate side
The parallel electric field for being parallel to liquid crystal alignment direction is generated when state between two transparent electrode groups, is not influencing white state transmitance
Alignment direction fixed force with improved dark state defect and is accelerated the OFF state response time when lower increase black state.
Detailed description of the invention
Fig. 1 is the black state front view of existing FFS liquid crystal display device；
Fig. 2 is the white state front view of existing FFS liquid crystal display device；
Fig. 3 is the black state side view of existing FFS liquid crystal display device；
Fig. 4 is the white state side view of existing FFS liquid crystal display device；
Fig. 5 is the black state front view of FFS liquid crystal display device of the present invention；
Fig. 6 is the white state front view of FFS liquid crystal display device of the present invention；
Fig. 7 is the black state side view of FFS liquid crystal display device of the present invention；
Fig. 8 is the white state side view of FFS liquid crystal display device of the present invention；
Fig. 9 is transparent electrode group location layout embodiment one of the present invention；
Figure 10 is transparent electrode group location layout embodiment two of the present invention；
Figure 11 is transparent electrode group location layout embodiment three of the present invention；
Figure 12 is transparent electrode group location layout example IV of the present invention；
Figure 13 is transparent electrode group location layout embodiment five of the present invention.
Specific embodiment
In the following with reference to the drawings and specific embodiments, the present invention is furture elucidated, it should be understood that these embodiments are merely to illustrate
It the present invention rather than limits the scope of the invention, after the present invention has been read, those skilled in the art are to of the invention each
The modification of kind equivalent form falls within the application range as defined in the appended claims.
The present invention provides a kind of liquid crystal display device, as shown in Fig. 5 to Fig. 8, when light source 11 is irradiated on liquid crystal display panel, has
Two kinds of display patterns of black state and white state, Fig. 5 and Fig. 6 are black when being respectively FFS liquid crystal display device viewing angle Φ=0 degree of the present invention
Black state and white when state and white state schematic diagram, Fig. 7 and Fig. 8 are respectively FFS liquid crystal display device viewing angle Φ=90 degree of the present invention
State schematic diagram, liquid crystal display device include the color membrane substrates 1 being oppositely arranged, array substrate 2 and be located at color membrane substrates 1 and array
Liquid crystal molecule 3 between substrate 2, array substrate 2 is equipped with common electrode layer 4, common electrode layer 4 is equipped with passivation layer 5, passivation
Layer 5 is equipped with pixel electrode layer 6, pixel electrode layer 6 is equipped with array both alignment layers 7, and color membrane substrates 1 are equipped with color film both alignment layers 8,
Two transparent electrode groups 14 being parallel to each other are oppositely arranged below both alignment layers 8, a transparent electrode group 14 is arranged in color film orientation
The side of layer 8, the other side of the color film both alignment layers 8 of another transparent electrode group 14；Liquid crystal molecule 3 is located at two transparent electrode groups
14, between array both alignment layers 7 and color film both alignment layers 8；Array substrate 2 is equipped with array both alignment layers 7,7 top phase of array both alignment layers
To two transparent electrode groups 14 that setting is parallel to each other, the side of array both alignment layers 7 is arranged in a transparent electrode group 14, another
The other side of a 14 array both alignment layers 7 of transparent electrode group
Each transparent electrode group 14 includes organic photoresist 12 and the transparent conductive semiconductor film (oxidation for covering organic photoresist 12
Indium tin film ITO) 13, organic photoresist 12 includes the first cylinder 121 and the second cylinder 122 for stacking setting, and the first cylinder 121 is close
Color membrane substrates 1 or array substrate 2, the second cylinder 122 is far from color membrane substrates 1 or array substrate 2, the cross section of the first cylinder 121
Product is greater than the cross-sectional area of the second cylinder 122；Transparent electrode group 14 with a thickness of liquid crystal display device box it is thick 25%~90%, it is black
One transparent electrode group generates positive voltage when state, and a transparent electrode group generates negative voltage, thus two transparent electrode groups it
Between generate and be parallel to the parallel electric field in liquid crystal alignment direction, apply public electrode news in two transparent electrode groups when white state
Number, so when increasing black state under not influencing white state transmitance, alignment direction fixed force is accelerated OFF state and is rung with improved dark state defect
Between seasonable.
The forming step of color membrane substrates 1:
Step 1: forming black matrix"；
Step 2: forming chromatograph on black matrix"；
Step 3: forming the protective layer of covering black matrix" and chromatograph；
Step 4: forming organic photoresist 12 in the side of protective layer, being also formed with machine photoresist 12 in the other side of protective layer；
Step 5: forming the transparent conductive semiconductor film 13 for covering each organic photoresist；
Step 6: forming color film both alignment layers 8.
Fig. 9 is transparent electrode group location layout embodiment one of the present invention, when liquid crystal molecule is positive liquid crystal molecules 31, pixel
Electrode layer is multiple perpendicular pixel electrodes 61 for raising arrangement being parallel to each other, 1 side of color membrane substrates two, 14 side of arrangement of transparent electrode group
To vertical with the initial alignment direction of positive liquid crystal molecules 31.
Figure 10 is transparent electrode group location layout embodiment two of the present invention, and liquid crystal molecule is negative liquid crystal molecule 32, pixel
Electrode layer is multiple perpendicular pixel electrodes 62 for raising arrangement being parallel to each other, two 14 arragement directions of transparent electrode group and negative liquid crystal
The initial alignment direction of molecule 32 is parallel.
Figure 11 be transparent electrode group location layout embodiment three of the present invention, when liquid crystal molecule be positive liquid crystal molecules 33, as
Plain electrode layer is multiple horizontal pixel electrodes 63 for raising arrangement being parallel to each other, two 14 arragement directions of transparent electrode group and positivity liquid
The initial alignment direction of brilliant molecule 33 is vertical.
Figure 12 be transparent electrode group location layout example IV of the present invention, when liquid crystal molecule be negative liquid crystal molecule 34, as
Plain electrode layer is multiple horizontal pixel electrodes 64 for raising arrangement being parallel to each other, two 14 arragement directions of transparent electrode group and negativity liquid
The initial alignment direction of brilliant molecule 34 is parallel.
Figure 13 is transparent electrode group location layout example IV of the present invention, and liquid crystal molecule is positivity liquid crystal containing photosensitive monomer point
Son 35, pixel electrode layer are multiple perpendicular pixel electrodes 65 for raising arrangement being parallel to each other, and two transparent electrode groups 14 contain with positivity
The initial alignment direction of photosensitive monomer liquid crystal molecule 35 is vertical.
The present invention is black by being oppositely arranged be parallel to each other two transparent electrode groups in color membrane substrates side and array substrate side
The parallel electric field for being parallel to liquid crystal alignment direction is generated when state between two transparent electrode groups, is not influencing white state transmitance
Alignment direction fixed force with improved dark state defect and is accelerated the OFF state response time when lower increase black state.
Claims (9)
1. a kind of liquid crystal display device including the color membrane substrates and array substrate that are oppositely arranged and is located at color membrane substrates and array
Liquid crystal molecule between substrate, it is characterised in that: the array substrate is equipped with common electrode layer, common electrode layer equipped with blunt
Change layer, passivation layer equipped with pixel electrode layer, the color membrane substrates side and array substrate side are oppositely arranged two to be parallel to each other
A transparent electrode group, each transparent electrode group includes the transparent conductive semiconductor film of organic photoresist and the organic photoresist of covering, described
Organic photoresist includes the first cylinder and the second cylinder for stacking setting, and the first cylinder on color membrane substrates is close to color film base
Plate, the second cylinder is far from color membrane substrates；The first cylinder in array substrate is close to array substrate, and the second cylinder is far from array
Substrate；The cross-sectional area of first cylinder is greater than the cross-sectional area of the second cylinder；When applying voltage to two transparent electrode groups, two
The parallel electric field for being parallel to color membrane substrates or array substrate is generated between a transparent electrode group.
2. liquid crystal display device according to claim 1, it is characterised in that: liquid crystal molecule is positive liquid crystal molecules, described
Two transparent electrode groups are vertical with the initial alignment direction of positive liquid crystal molecules.
3. liquid crystal display device according to claim 2, it is characterised in that: the pixel electrode layer is multiple is parallel to each other
The perpendicular pixel electrode for raising arrangement or multiple horizontal pixel electrodes for raising arrangement.
4. liquid crystal display device according to claim 1, it is characterised in that: the liquid crystal molecule is negative liquid crystal molecule,
Described two transparent electrode groups are parallel with the initial alignment direction of negative liquid crystal molecule.
5. liquid crystal display device according to claim 4, it is characterised in that: the pixel electrode layer is multiple is parallel to each other
The perpendicular pixel electrode for raising arrangement or multiple horizontal pixel electrodes for raising arrangement.
6. liquid crystal display device according to claim 1, it is characterised in that: liquid crystal molecule is positivity liquid crystal containing photosensitive monomer
Molecule, described two transparent electrode groups are vertical with the initial alignment direction of positivity liquid crystal molecule containing photosensitive monomer.
7. liquid crystal display device according to claim 6, it is characterised in that: the pixel electrode layer is multiple is parallel to each other
The perpendicular pixel electrode for raising arrangement or multiple horizontal pixel electrodes for raising arrangement.
8. liquid crystal display device according to claim 1, it is characterised in that: each transparent electrode group with a thickness of liquid crystal
The 25%~90% of showing device box thickness.
9. liquid crystal display device according to claim 1, it is characterised in that: the color membrane substrates be equipped with both alignment layers, two
A transparent electrode group is respectively positioned on the lower section of both alignment layers, and a transparent electrode group is located at the left side of the both alignment layers, another is transparent
Electrode group is located at the right side of the both alignment layers.
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| CN201910070433.7A CN109445149B (en) | 2019-01-25 | 2019-01-25 | A kind of liquid crystal display device |
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| CN201910070433.7A CN109445149B (en) | 2019-01-25 | 2019-01-25 | A kind of liquid crystal display device |
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| CN109445149B true CN109445149B (en) | 2019-04-19 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1637492A (en) * | 2003-12-24 | 2005-07-13 | 夏普株式会社 | Liquid crystal display device |
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| US7298445B1 (en) * | 2003-06-23 | 2007-11-20 | Research Foundation Of The University Of Central Florida | Fast response liquid crystal mode |
| CN1949064A (en) * | 2005-10-13 | 2007-04-18 | 群康科技(深圳)有限公司 | Liquid crystal dispalying device |
| CN105278181B (en) * | 2015-11-05 | 2018-09-11 | 武汉华星光电技术有限公司 | Response time short liquid crystal display panel and display device |
| TWI591403B (en) * | 2016-05-20 | 2017-07-11 | 友達光電股份有限公司 | Liquid crystal display panel |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1637492A (en) * | 2003-12-24 | 2005-07-13 | 夏普株式会社 | Liquid crystal display device |
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Effective date of registration: 20200902 Address after: No.7 Tianyou Road, Qixia District, Nanjing City, Jiangsu Province Patentee after: NANJING CEC PANDA FPD TECHNOLOGY Co.,Ltd. Address before: Nanjing Crystal Valley Road in Qixia District of Nanjing City Tianyou 210033 Jiangsu province No. 7 Co-patentee before: NANJING CEC PANDA LCD TECHNOLOGY Co.,Ltd. Patentee before: NANJING CEC PANDA FPD TECHNOLOGY Co.,Ltd. Co-patentee before: Nanjing East China Electronic Information Technology Co.,Ltd. |