CN103698947B - A kind of TN type liquid crystal panel and preparation method thereof and liquid crystal indicator - Google Patents

A kind of TN type liquid crystal panel and preparation method thereof and liquid crystal indicator Download PDF

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Publication number
CN103698947B
CN103698947B CN201310713117.XA CN201310713117A CN103698947B CN 103698947 B CN103698947 B CN 103698947B CN 201310713117 A CN201310713117 A CN 201310713117A CN 103698947 B CN103698947 B CN 103698947B
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sealed plastic
plastic box
liquid crystal
barricade
crystal panel
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CN103698947A (en
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王炎
陈俊生
王春
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BOE Technology Group Co Ltd
Hefei BOE Optoelectronics Technology Co Ltd
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BOE Technology Group Co Ltd
Hefei BOE Optoelectronics Technology Co Ltd
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Abstract

The invention discloses a kind of TN type liquid crystal panel, comprise the upper substrate and infrabasal plate that are connected box by sealed plastic box, upper substrate has pixel electrode towards the one side of infrabasal plate, and infrabasal plate has public electrode and gate shift register towards the one side of upper substrate; Sealed plastic box comprises the main sealed plastic box of the gold goal doped with switch on pixel electrode and public electrode, and the secondary sealed plastic box of the gold goal that do not adulterate; Upper substrate is provided with barricade towards the one side of infrabasal plate, and barricade is between main sealed plastic box and secondary sealed plastic box and gate shift register and main sealed plastic box are separated, and secondary sealed plastic box and gate shift register have overlapping region.Technique scheme provided by the invention is conducive to the narrow frame design realizing TN type liquid crystal panel.In addition, present invention also offers a kind of preparation method of above-mentioned TN type liquid crystal panel, and a kind of liquid crystal indicator with above-mentioned TN type liquid crystal panel.

Description

A kind of TN type liquid crystal panel and preparation method thereof and liquid crystal indicator
Technical field
The present invention relates to liquid crystal indicator manufacturing technology field, particularly a kind of TN type liquid crystal panel and preparation method thereof and liquid crystal indicator.
Background technology
Thin Film Transistor-LCD (ThinFilmTransistorLiquidCrystalDisplay, TFT-LCD) has the advantages such as volume is little, low in energy consumption, radiationless, obtains development at full speed in recent years, has become the main flow of display in the market.While TFT-LCD fast development, narrow border structure becomes a direction very important in its future development.TFT-LCD formed primarily of display panels and backlight module, and the market demand of narrow frame is also mainly embodied on the peripheral structure of display panels.
The manufacturing process of display panels mainly comprises: on upper substrate, form color membrane array, infrabasal plate forms tft array, on a liquid crystal drip-injection substrate wherein, sealed plastic box is coated on another substrate, finally under vacuum upper substrate and infrabasal plate are carried out involutory, and after sealed plastic box solidification, the mutually bonding formation display panels of upper and lower substrate.
Array base palte row cutting (GateDriverOnArray, GOA) technology is one of very important practicable ways of narrow frame design scheme in display panels, it realizes the narrow frame design of display panels by the driving circuit of gate electrode being built in TFT substrate the width reducing periphery frame with this.As shown in fig. 1, adopt twisted nematic (Teistednematic prepared by GOA technical design, TN) in liquid crystal panel, pixel electrode (not shown) is positioned at the one side of upper substrate 010 towards infrabasal plate 020, public electrode (not shown) is positioned at the one side of infrabasal plate 020 towards upper substrate 010, and adds gold goal 040 to play the effect of switch on pixel electrode and public electrode in sealed plastic box 030 between upper substrate 010 and infrabasal plate 020.Gate shift register 050 short circuit that the gate shift register 050 that one side is arranged in order to avoid gold goal 040 and infrabasal plate 020 towards upper substrate 010 contacts and causes, then require that gate shift register 050 must keep certain safe distance with the sealed plastic box 030 containing gold goal 040, this safe distance at least must ensure the coating precision being greater than sealed plastic box 030, to meet the coating requirement of sealed plastic box 030, the thus more difficult narrow frame design realizing TN type liquid crystal plate.
Summary of the invention
The invention provides a kind of TN type liquid crystal panel and preparation method thereof and liquid crystal indicator, so that realize the narrow frame design of TN type liquid crystal panel.
For achieving the above object, the invention provides following technical scheme:
On the one hand, the invention provides a kind of TN type liquid crystal panel, comprise: upper substrate box connected by sealed plastic box and infrabasal plate, described upper substrate has pixel electrode towards the one side of described infrabasal plate, and described infrabasal plate has public electrode and gate shift register towards the one side of described upper substrate; Described sealed plastic box comprises the main sealed plastic box of the gold goal doped with pixel electrode described in conducting and public electrode, and the secondary sealed plastic box of the gold goal that do not adulterate; Described upper substrate is provided with barricade towards the one side of described infrabasal plate, described barricade is between described main sealed plastic box and described sealed plastic box and described gate shift register and described main sealed plastic box are separated, and described sealed plastic box and described gate shift register have overlapping region.
In TN type liquid crystal panel provided by the invention, sealed plastic box comprises the secondary sealed plastic box of main sealed plastic box doped with gold goal and the gold goal that do not adulterate, and between main sealed plastic box and secondary sealed plastic box, be also provided with barricade gate shift register and main sealed plastic box separated, make barricade can not only prevent gold goal from contacting with gate shift register, and can prevent gold goal from entering in time sealed plastic box, and then, the short circuit of gate shift register can not be caused when secondary sealed plastic box and gate shift register have overlapping region; Therefore, can a part for secondary sealed plastic box be coated in gate shift register, make time between sealed plastic box and gate shift register, certain overlapping region can be had, thus the frame of whole liquid crystal panel is reduced.
So technique scheme provided by the invention is conducive to the narrow frame design realizing TN type liquid crystal panel.
Preferably, described barricade is the cylindrical spacer that mask plate exposure is formed.The mode being formed cylindrical spacer by mask plate exposure is comparatively simple, and what be conducive to raising barricade arranges efficiency, thus improves the production efficiency of TN type liquid crystal panel of the present invention.
Preferably, described barricade is the circular retaining wall of sealing ring structure.Like this, gate shift register is positioned at circular retaining wall institute region, main sealed plastic box doped with gold goal is positioned at outside circular retaining wall institute region, further increase the barriering efficiency of barricade to gold goal, cause gate shift register short circuit to ensure gold goal can not contact with gate shift register through barricade.
Preferably, the main sealed plastic box of described barricade both sides is with in time sealed plastic box, and the width of described sealed plastic box is greater than the width of described main sealed plastic box.
Like this, when sealed plastic box overall width is certain, secondary sealed plastic box can be overlapping with gate shift register largely, and it is narrower that main sealed plastic box then can be arranged, and is more conducive to the narrow frame design realizing TN type liquid crystal panel.
Preferably, between described barricade and described infrabasal plate, the height in gap is less than the diameter of described gold goal.To ensure that the gold goal in main sealed plastic box cannot contact with gate shift register through barricade, and the part of the gold goal that do not adulterate in secondary sealed plastic box and/or main sealed plastic box can also be infiltrated in the gap between barricade and infrabasal plate, thus avoid form bonding clear area below barricade, improve the adhesive effect of sealed plastic box to upper substrate and infrabasal plate.
On the other hand, the invention provides a kind of liquid crystal indicator, comprise the TN type liquid crystal panel that above-mentioned arbitrary technical scheme provides.
Due in the TN type liquid crystal panel that such scheme provides, when sealed plastic box coating width is certain, a part time sealed plastic box can be set in gate shift register, make time between sealed plastic box and gate shift register, certain overlapping region can be had, to reduce the frame of liquid crystal panel, therefore, provided by the invention have in the liquid crystal indicator of above-mentioned TN type liquid crystal panel, the frame of this liquid crystal indicator also can be less, is beneficial to the narrow frame design realizing liquid crystal indicator.
In addition, present invention also offers the preparation method of the TN type liquid crystal panel that a kind of such scheme provides, comprising:
The pixel electrode of described upper substrate is prepared described barricade, the public electrode of described infrabasal plate prepares gate shift register;
The part be positioned in the coating zone of described upper substrate inside barricade applies the secondary sealed plastic box of the gold goal that do not adulterate, and applies the main sealed plastic box doped with gold goal in other parts of coating zone;
Upper substrate is connected box with infrabasal plate; Wherein, after box, gate shift register and main sealed plastic box are separated by barricade, and secondary sealed plastic box and gate shift register have overlapping region;
Coating zone along main sealed plastic box cuts, and forms multiple TN type liquid crystal panel.
When using above-mentioned preparation method to prepare TN type liquid crystal panel, along the Width of sealed plastic box, the secondary sealed plastic box in sealed plastic box and gate shift register region can have certain overlapping region, thus the border width of whole liquid crystal panel can be arranged less.
Therefore, adopt preparation method provided by the invention, the TN type liquid crystal panel that border width is less can be prepared, be beneficial to the narrow frame design realizing TN type liquid crystal panel.
Preferably, the described cutting of the coating zone along main sealed plastic box, is specially: the center line along main sealed plastic box region cuts.Like this, the main sealed plastic box width after cutting in adjacent two pieces of TN type liquid crystal panels is identical, to ensure that main sealed plastic box in each the block liquid crystal panel after cutting can both effective bonding upper substrate and infrabasal plate, avoids the problem occurring poor attachment to occur.
Preferably, the thickness of described barricade is less than 50 μm.Like this, be conducive to reducing the spacing between gate shift register and main sealed plastic box, and then be conducive to the narrow frame design realizing TN type liquid crystal panel of the present invention.
Preferably, after box, the gap between described barricade and described infrabasal plate is less than the diameter of described gold goal.To ensure that the gold goal in main sealed plastic box cannot contact with gate shift register through barricade, can also ensure that gold goal cannot enter in time sealed plastic box through barricade simultaneously, and after to box, can not also infiltrate in the gap between barricade and infrabasal plate containing the part of gold goal in secondary sealed plastic box and/or main sealed plastic box, thus avoid form bonding clear area below barricade, improve the adhesive effect of sealed plastic box to upper substrate and infrabasal plate.
Accompanying drawing explanation
Fig. 1 is the marginal texture schematic diagram of TN type liquid crystal panel in prior art;
The marginal texture schematic diagram of a kind of TN type liquid crystal panel that Fig. 2 provides for the embodiment of the present invention one;
The inner structure schematic diagram of a kind of TN type liquid crystal panel that Fig. 3 provides for the embodiment of the present invention one;
Preparation method's process flow diagram of a kind of TN type liquid crystal panel that Fig. 4 provides for the embodiment of the present invention three;
Fig. 5 a is the upper substrate structure schematic diagram after having prepared barricade in the embodiment of the present invention three;
Fig. 5 b is the lower substrate structure schematic diagram after having prepared gate shift register in the embodiment of the present invention three;
Fig. 5 c applies not containing the upper substrate structure schematic diagram after the sealed plastic box of gold goal in the embodiment of the present invention three;
Fig. 5 d applies the upper substrate structure schematic diagram after containing the sealed plastic box of gold goal in the embodiment of the present invention three;
Fig. 5 e is the structural representation that in the embodiment of the present invention three, upper substrate forms TN type liquid crystal panel after being connected box with infrabasal plate.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment one
Please refer to Fig. 2, the present embodiment one provides a kind of TN type liquid crystal panel, comprise: the upper substrate 120 connected by sealed plastic box 110 pairs of boxes and infrabasal plate 130, upper substrate 120 has pixel electrode (not shown) towards the one side of infrabasal plate 130, and infrabasal plate 130 has public electrode (not shown) and gate shift register 140 towards the one side of upper substrate 120; Sealed plastic box 110 comprises the main sealed plastic box 111 of the gold goal 150 doped with switch on pixel electrode and public electrode, and the secondary sealed plastic box 112 of the gold goal that do not adulterate; Upper substrate 120 is provided with barricade 160 towards the one side of infrabasal plate 130, barricade 160 is between main sealed plastic box 111 and secondary sealed plastic box 112 and gate shift register 140 and main sealed plastic box 111 are separated, and secondary sealed plastic box 112 also has overlapping region with gate shift register 140.
In TN type liquid crystal panel provided by the invention, sealed plastic box 110 comprises the secondary sealed plastic box 112 of main sealed plastic box 111 doped with gold goal 150 and the gold goal 150 that do not adulterate, and between main sealed plastic box 111 and secondary sealed plastic box 112, be also provided with the barricade 160 gate shift register 140 and main sealed plastic box 111 separated, make barricade 160 can not only prevent gold goal 150 from contacting with gate shift register 140, and can prevent gold goal 150 from entering in time sealed plastic box 112, and then, when secondary sealed plastic box 112 has overlapping region with gate shift register 140, also gate shift register 140 short circuit can not be caused, therefore a part for secondary sealed plastic box 112 can be coated in gate shift register 140, make time can have certain overlapping region D between sealed plastic box 112 and gate shift register 140, to reduce the frame of liquid crystal panel.
As shown in Figure 3, along a of direction shown in Fig. 3, between the secondary sealed plastic box 112 in sealed plastic box 110 and gate shift register 140, there is overlapping region D, thus the width of the liquid crystal panel frame vertical with direction a can be reduced.In like manner, along the b of direction shown in Fig. 3, between the secondary sealed plastic box 112 in sealed plastic box 110 and gate shift register 140, also there is certain overlapping region, therefore, also can reduce the width of the liquid crystal panel frame vertical with direction b; So the border width of the TN type liquid crystal panel that the present embodiment provides can be less.
Therefore, the TN type liquid crystal panel that the embodiment of the present invention one provides is conducive to the narrow frame design realizing TN type liquid crystal panel.
In some preferably embodiment, the cylindrical spacer that above-mentioned barricade 160 is formed for mask plate exposure.The mode being formed cylindrical spacer by mask plate exposure is comparatively simple, and what be conducive to raising barricade 160 arranges efficiency, thus improves the production efficiency of TN type liquid crystal panel of the present invention.
Certainly, above-mentioned barricade 160 also can be arranged on the pixel electrode of upper substrate 120 by other modes well known in the prior art, as long as barricade 160 can prevent the gold goal 150 in main sealed plastic box 111 from contacting with gate shift register 140, repeat no longer one by one herein.
In the respective embodiments described above, as shown in Figure 3, above-mentioned barricade 160 can be only be arranged at the sectional type barricade corresponding with gate shift register 140 region; It can also be the circular retaining wall (not shown) with sealing ring structure, like this, gate shift register 140 is positioned at circular retaining wall institute region with time sealed plastic box 112, main sealed plastic box 111 is positioned at outside circular retaining wall institute region, further increase the barriering effect of barricade to gold goal 150, to ensure that gold goal 150 can not contact with gate shift register 140 through barricade 160.
After upper substrate 120 arranges circular retaining wall, main sealed plastic box 111 can the outer ledge of annularly barricade apply, secondary sealed plastic box 112 can the inside edge of annularly barricade apply, what whole sealed plastic box 110 can be applied is more even, but also can improve the coating efficiency of sealed plastic box 110.
In addition, in the TN type liquid crystal panel that the present embodiment provides, the Main Function of barricade 160 prevents the gold goal 150 in sealed plastic box 110 in main sealed plastic box 112 from contacting with gate shift register 140, so, it is less that the thickness of barricade 160 can be arranged, as long as barricade 160 can effectively prevent gold goal 150 from contacting with gate shift register 140, such as, in some alternatively embodiment, the thickness of above-mentioned barricade 160 can be arranged within 50 μm, and then more be conducive to the narrow frame design realizing TN type liquid crystal panel.
Please refer to Fig. 2, one is preferably in embodiment, and in the main sealed plastic box 111 and time sealed plastic box 112 of barricade 160 both sides, the width of secondary sealed plastic box 112 is greater than the width of main sealed plastic box 111.Like this, when sealed plastic box 110 overall width is certain, secondary sealed plastic box 112 can be overlapping with gate shift register 140 largely, it is narrower that main sealed plastic box 111 then can be arranged, only otherwise the conductive effect of the pixel electrode of gold goal 150 pairs of upper substrates 120 affected in main sealed plastic box 111 and the public electrode of infrabasal plate 130, the narrow frame design realizing TN type liquid crystal panel is beneficial to further.
Please continue to refer to Fig. 2, one, preferably in embodiment, leave gap, and the height h in this gap is less than the diameter R of gold goal 150, to ensure that gold goal 150 cannot be crossed barricade and contact with gate shift register 140 between barricade 160 and infrabasal plate 130.And, part not containing gold goal 150 in secondary sealed plastic box 112 and/or main sealed plastic box can also be infiltrated in the gap between barricade 160 and infrabasal plate 130, thus avoid form bonding clear area below barricade 160, improve the adhesive effect of whole sealed plastic box 110 pairs of upper substrates 120 and infrabasal plate 130.
In some particularly embodiment, the upper substrate 120 in the present embodiment can be color membrane substrates, and infrabasal plate 130 can be array base palte.
Embodiment two
On the basis of the TN type liquid crystal panel provided at above-described embodiment one, the present embodiment two provides a kind of liquid crystal indicator, has the TN type liquid crystal panel that above-described embodiment one provides in this liquid crystal indicator.
Due in the TN type liquid crystal panel that such scheme provides, when sealed plastic box coating width is certain, along the Width of sealed plastic box, secondary sealed plastic box and gate shift register region also can have certain overlapping region, thus the border width of whole liquid crystal panel can be arranged less, therefore, provided by the invention have in the liquid crystal indicator of above-mentioned TN type liquid crystal panel, it is very little that the frame of this liquid crystal indicator also can do, and is beneficial to the narrow frame design realizing liquid crystal indicator.
Embodiment three
The basis of Fig. 4 please refer to Fig. 5 a ~ Fig. 5 e, and the present embodiment additionally provides a kind of preparation method preparing the TN type liquid crystal panel that embodiment one provides, and comprising:
Step 401, as shown in Figure 5 a, the pixel electrode of upper substrate 120 prepares barricade 160; As shown in Figure 5 b, the public electrode of infrabasal plate 130 prepares gate shift register 140;
Step 402, as shown in Figure 5 c, the part be positioned in the coating zone of upper substrate 120 inside barricade 160 applies the secondary sealed plastic box 112 of the gold goal 150 that do not adulterate; As fig 5d, in other parts of coating zone, apply the main sealed plastic box 111 doped with gold goal 150;
Upper substrate 120 and infrabasal plate 130 pairs of boxes as depicted in fig. 5e, are connected by step 403; Wherein, after box, gate shift register 140 and main sealed plastic box 111 are separated by barricade 160, and secondary sealed plastic box 112 and gate shift register 140 have overlapping region;
Step 404, the coating zone along main sealed plastic box 111 cuts, and forms multiple TN type liquid crystal panel.
The preparation method of the liquid crystal panel that the present embodiment provides can prepare the TN type liquid crystal panel that embodiment one provides, when using above-mentioned preparation method to prepare TN type liquid crystal panel, along the Width of sealed plastic box 110, secondary sealed plastic box in sealed plastic box 110 112 and gate shift register 140 region can have certain overlapping region, thus the border width of whole liquid crystal panel can be arranged less.
Therefore, the preparation method adopting the present embodiment three to provide, can prepare the TN type liquid crystal panel that border width is less, be beneficial to the narrow frame design realizing TN type liquid crystal panel.
In step 401, preferably, barricade 160 adopts mask plate exposure technology to be formed on the pixel electrode of upper substrate 120, makes the forming process of barricade 160 more simple, prepares barricade 160 to facilitate on the pixel electrode of upper substrate 120.
In step 403, particularly, upper substrate 120 and infrabasal plate 130 carry out being connected box under vacuum.
Main Function due to barricade 160 prevents the gold goal 150 in main sealed plastic box 111 from contacting with gate shift register 140, so in step 401, preferably, it is less that the thickness of barricade 160 can be arranged, such as, as long as barricade 160 can effectively prevent gold goal 150 from contacting with gate shift register 140, in some particularly embodiment, the thickness of above-mentioned barricade 160 can be arranged within 50 μm, and then be more conducive to the narrow frame design realizing TN type liquid crystal panel.
In step 403, as depicted in fig. 5e, preferably, after box, gap is left between barricade 160 and infrabasal plate 130, and the height h in this gap is less than the diameter R of gold goal 150, can also ensure that gold goal 150 cannot pass barricade 160 and enter in secondary sealed plastic box 112 to ensure that gold goal 150 in main sealed plastic box 111 cannot contact with gate shift register 140 through barricade 160 simultaneously, and after to box, part not containing gold goal 150 in secondary sealed plastic box 112 and/or main sealed plastic box 111 can also be infiltrated in the gap between barricade 160 and infrabasal plate 130, thus avoid form bonding clear area below barricade 160, improve the adhesive effect of sealed plastic box 110 pairs of upper substrates 120 and infrabasal plate 130.
In step 404, preferably, the above-mentioned cutting of the coating zone along main sealed plastic box 111, is specially: the center line along main sealed plastic box 111 region cuts.Like this, main sealed plastic box 111 width after cutting in adjacent two pieces of TN type liquid crystal panels is identical, to ensure that the main sealed plastic box 111 in each the block liquid crystal panel after cutting can both effective bonding upper substrate 120 and infrabasal plate 130, the problem occurring poor attachment is avoided to occur.
Obviously, those skilled in the art can carry out various change and modification to the embodiment of the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.

Claims (9)

1. a TN type liquid crystal panel, comprise: upper substrate box connected by sealed plastic box and infrabasal plate, described upper substrate has pixel electrode towards the one side of described infrabasal plate, and described infrabasal plate has public electrode and gate shift register towards the one side of described upper substrate; It is characterized in that, described sealed plastic box comprises the main sealed plastic box of the gold goal doped with pixel electrode described in conducting and public electrode, and the secondary sealed plastic box of the gold goal that do not adulterate; Described upper substrate is provided with barricade towards the one side of described infrabasal plate, described barricade is between described main sealed plastic box and described sealed plastic box and described gate shift register and described main sealed plastic box are separated, and described sealed plastic box and described gate shift register have overlapping region; Between described barricade and described infrabasal plate, the height in gap is less than the diameter of described gold goal.
2. TN type liquid crystal panel according to claim 1, is characterized in that, described barricade is the cylindrical spacer adopting mask plate exposure to be formed.
3. TN type liquid crystal panel according to claim 1, is characterized in that, described barricade is the circular retaining wall of sealing ring structure.
4. TN type liquid crystal panel according to claim 1, is characterized in that, the main sealed plastic box of described barricade both sides is with in time sealed plastic box, and the width of described sealed plastic box is greater than the width of described main sealed plastic box.
5. a liquid crystal indicator, is characterized in that, comprises the TN type liquid crystal panel as described in any one of Claims 1 to 4.
6. the preparation method of TN type liquid crystal panel as described in any one of Claims 1 to 4, is characterized in that, comprising:
The pixel electrode of described upper substrate is prepared described barricade, the public electrode of described infrabasal plate prepares gate shift register;
The part be positioned in the coating zone of described upper substrate inside barricade applies the secondary sealed plastic box of the gold goal that do not adulterate, and applies the main sealed plastic box doped with gold goal in other parts of coating zone;
Upper substrate is connected box with infrabasal plate; Wherein, after box, gate shift register and main sealed plastic box are separated by barricade, and secondary sealed plastic box and gate shift register have overlapping region;
Coating zone along main sealed plastic box cuts, and forms multiple TN type liquid crystal panel.
7. preparation method according to claim 6, is characterized in that, the described cutting of the coating zone along main sealed plastic box, is specially: the center line along main sealed plastic box region cuts.
8. preparation method according to claim 7, is characterized in that, the thickness of described barricade is less than 50 μm.
9. the preparation method according to any one of claim 6 ~ 8, is characterized in that, after box, between described barricade and described infrabasal plate, the height in gap is less than the diameter of described gold goal.
CN201310713117.XA 2013-12-20 2013-12-20 A kind of TN type liquid crystal panel and preparation method thereof and liquid crystal indicator Active CN103698947B (en)

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CN104950528A (en) * 2015-07-13 2015-09-30 深圳市华星光电技术有限公司 Substrate for LCD panel and preparation method of LCD panel
CN109298566A (en) * 2018-10-10 2019-02-01 惠科股份有限公司 A kind of display panel and display device
CN209446924U (en) * 2018-11-06 2019-09-27 惠科股份有限公司 A kind of display panel and display device
CN109541858A (en) * 2019-01-04 2019-03-29 深圳市华星光电技术有限公司 Liquid crystal display panel
CN110068964A (en) * 2019-04-09 2019-07-30 深圳市华星光电技术有限公司 A kind of display panel and preparation method thereof

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