CN100361000C

CN100361000C - Liquid crystal panel and manufacture thereof

Info

Publication number: CN100361000C
Application number: CNB2005100509402A
Authority: CN
Inventors: 张豪裕; 林荣祥; 董人郎
Original assignee: AU Optronics Corp
Current assignee: TCL Huaxing Photoelectric Technology Co Ltd
Priority date: 2005-02-24
Filing date: 2005-02-24
Publication date: 2008-01-09
Anticipated expiration: 2025-02-24
Also published as: CN1645200A

Abstract

The present invention relates to a liquid crystal panel which comprises a first base plate, a second base plate which is arranged on the first base plate in parallel, a liquid crystal layer which is positioned between the first base plate and the second base plate, and a composite type divider which is positioned between the first base plate and the second base plate, wherein the divider comprises a plurality of soft bodies and a plurality of rigid bodies. The present invention relates to a manufacturing method for a liquid crystal panel.

Description

Liquid crystal panel and its manufacture method

Technical field

The present invention relates to a kind of liquid crystal panel and manufacture method thereof, particularly relate to a kind of manufacture method with liquid crystal panel of special interval thing.

Background technology

LCD (liquid crystal display, LCD) be one of the most general present display, Fig. 1 is its diagrammatic cross-section, comprise first substrate 12 and second substrate 14, as colored filter substrate (color filter substrate, CF substrate) or thin film transistor base plate (thin film transistorsubstrate, TFT substrate), still comprise therebetween sept 18 with as substrate 12 and 14 s' support so that liquid crystal 16 insert.

(one drop fill, ODF) replace conventional process techniques gradually becomes the major technique of making liquid crystal panel to instillation formula liquid crystal filling technology.Fig. 2 A～2C is the synoptic diagram of ODF technology, in Fig. 2 A, at first around first substrate 12, be coated with upper ledge glue 13, again under the vacuum environment with 16 in liquid crystal to first substrate 12, then make

second substrate

14 and 12 pairs of groups of first substrate, return back to normal barometric pressure again, utilize atmospheric pressure to make two substrates being combined into panel, shown in Fig. 2 C, to form liquid crystal panel 10; And light spacer shown in Figure 1 (photo spacer) 18 can be formed on first substrate 12 or second substrate 14, after 12,14 pairs of groups of first and second substrate, support first and

second substrate

12,14 by light spacer 18, in addition, the amount of splashing into of liquid crystal with the height of light spacer 18, highly, width, volume shared on panel be relevant, therefore must determine the volume of the spacing distance of first and

second substrate

12,14 and light spacer 18 and number etc. before splashing into the liquid crystal step in advance.

Yet, ODF technology exists the not enough critical bottleneck of liquid crystal process operation permission (LC margin) at present, the amount of liquid crystal deviation range that just satisfies low temperature bubble test condition is too little, and wherein the low temperature bubble refers to the vacuum gap that liquid crystal is caused between two substrates because of volumetric contraction under the low temperature; During inaccurate or sept offsets in height, just be easy to generate bubble when amount of liquid crystal.

And one of settling mode of the problems referred to above is to use softer sept or the area of sept is reduced, so that improve in the adjustment space of substrate distance in technology; Though but this mode can increase LC margin, resistance to pressure is reduced, be unsuitable for producing in batches.

Summary of the invention

In view of this, one of purpose of the present invention just provides a kind of liquid crystal panel and its manufacture method, mainly is to utilize compound sept to replace traditional light spacer, operates permission to increase liquid crystal process, and promotes resistance to pressure.

For achieving the above object, the invention provides a kind of liquid crystal panel, comprise first substrate; Second substrate is set in parallel in first substrate; Liquid crystal layer is positioned between first substrate and second substrate; And compound sept is positioned between first substrate and second substrate, and wherein sept comprises a plurality of soft bodies and a plurality of rigid body.

For achieving the above object, the present invention also provides a kind of manufacture method of liquid crystal panel, and comprising provides first substrate; Form a plurality of compound septs on first substrate, wherein each compound sept comprises a plurality of soft bodies and a plurality of rigid body; Liquid crystal is splashed on first substrate; And provide second substrate and first substrate to group.

Description of drawings

Fig. 1 is a sectional view, in order to the structure of existing liquid crystal panel to be described.

Fig. 2 A～2C is a series of sectional views, in order to the technology of existing liquid crystal panel to be described.

Fig. 3 A～3C is a series of sectional views, in order to the technology of liquid crystal panel of the explanation embodiment of the invention.

Fig. 4 A～4C is a series of sectional views, in order to the structure of compound sept of the explanation embodiment of the invention.

The simple symbol explanation

10,100～liquid crystal panel

12,110～the first substrates

14,140～the second substrates

16,130～liquid crystal

18～light spacer

120～compound sept

122～rigid body

124～soft body

A～first photoresist the layer

The B second photoresist layer

Embodiment

Below explanation will cooperate Fig. 3 A～3C and Fig. 4 A～4C that the manufacture method of the liquid crystal panel 100 of present embodiment is described.

See also Fig. 3 A, first substrate 110 at first is provided, this first substrate 110 is as can be from glass substrate or prepared thin film transistor base plate of indium tin oxide substrate or colored filter substrate etc.

Then on first substrate 110, utilize materials such as photoresist to form a plurality of compound septs 120, and this compound sept 120 comprises a plurality of soft bodies 124 and a plurality of rigid bodies 122, the material of wherein soft body 124 is as being pencil hardness acryl system (Alkyl group) material less than 3H, and the material of rigid body 122 is pencil hardness acryl system (acrylic resin) material greater than 3H, and soft body 124 can be evenly distributed with rigid body 122, shown in Fig. 4 A, or be layered distribution, shown in 4B and 4C figure, wherein soft body 124 is evenly with rigid body 122 and the distribution proportion of layering can be allocated voluntarily according to various demand.In addition, please notice in description of the invention that " rigidity " only represents its relative response with " soft ", uninevitable is the boundary with pencil hardness 3H; And be not limited to use two kinds of materials that hardness is different, use that the material of different hardness also belongs to scope of the present invention more than three kinds.

If desire forms the compound sept 120 shown in Fig. 4 A, can earlier soft body 124 be mixed the formation uniform mix with rigid body 122 in modes such as stirrings, or directly adopt the compound photoresist of equally distributed soft body 124 and rigid body 122, modes such as utilization coating are formed at uniform mix or compound photoresist on first substrate 110, then utilize modes such as little shadow and etching to define this uniform mix or photoresist again, to form a plurality of compound septs 120.

If desire forms the compound sept 120 shown in Fig. 4 B or the 4C, can directly adopt single compound photoresist, utilize all factors such as the difference of density, hydrophilic hydrophobic characteristic or surface tension, make soft body 124 and rigid body 122 natural layering after coating in the compound photoresist, form rigid body 122 in lower floor, soft body 124 the compound sept 120 on the upper strata, as Fig. 4 B, or form rigid body 122 on the upper strata, soft body 124 is at the compound sept 120 of lower floor, as Fig. 4 C.

Compound sept 120 shown in Fig. 4 B or the 4C still can utilize the photoresist of two kinds of different hardness to divide secondary to form, as utilize modes such as coating in regular turn the first photoresist layer A and the second photoresist layer B to be formed on first substrate 110, define the first photoresist layer A and the second photoresist layer B in modes such as little shadow and etchings again, to form compound clearance thing 120.If the first photoresist layer A comprise that rigid body 122, the second photoresist layer B comprise soft body 124,120 of then formed compound clearance things are shown in Fig. 4 B; If the first photoresist layer A comprise that soft body 124, the second photoresist layer B comprise rigid body 122,120 of then formed compound clearance things are shown in Fig. 4 C.

And the thickness of compound sept 120 is according to first substrate 110 and decide with its needs such as interval of second substrate 140 to group subsequently, and is about 1～10 μ m, and this compound sept 120 can be column or spherical (not shown).

Shown in Fig. 3 B, then liquid crystal 130 utilizes instillation formula liquid crystal filling technology (one dropfill, ODF) etc. mode is dripped to first substrate 110, or liquid crystal is splashed into therebetween after

first substrate

110 and 140 pairs of groups of second substrate again in a vacuum.

Shown in Fig. 3 C, with

second substrate

140 and 110 pairs of groups of first substrate, this second substrate 140 can be as being from glass substrate or prepared thin film transistor base plate of indium tin oxide substrate or colored filter substrate.

The liquid crystal panel of institute's technology in this way is in instillation formula liquid crystal filling technology, so because of the existence of soft body can reduce total crushing resistance of sept, to reduce the generation of bubble; And after instillation formula liquid crystal filling technology, so because of the existence of rigid body can improve total crushing resistance of sept, to improve the supporting degree of panel integral body.

Though the present invention discloses as above with preferred embodiment; yet it is not in order to limit the present invention; those skilled in the art can do a little change and retouching without departing from the spirit and scope of the present invention, thus protection scope of the present invention should with accompanying Claim the person of being defined be as the criterion.

Claims

1, a kind of liquid crystal panel comprises:

One first substrate;

One second substrate is set in parallel in this first substrate;

One liquid crystal layer is positioned between this first substrate and this second substrate; And

One compound sept is positioned between this first substrate and this second substrate, and wherein this sept comprises a plurality of soft bodies and a plurality of rigid body, and the hardness of this soft body is less than the hardness of this rigid body.

2, liquid crystal panel as claimed in claim 1, wherein this first substrate is glass substrate, indium tin oxide substrate, thin film transistor base plate or colored filter substrate.

3, liquid crystal panel as claimed in claim 2, wherein this second substrate is glass substrate, indium tin oxide substrate, thin film transistor base plate or colored filter substrate.

4, liquid crystal panel as claimed in claim 1, wherein these soft bodies and this rigid body are evenly distributed.

5, liquid crystal panel as claimed in claim 1, wherein the material of this soft body is the acryl based material of pencil hardness less than 3H.

6, liquid crystal panel as claimed in claim 1, wherein the material of this rigid body is the acryl based material of pencil hardness greater than 3H.

7, liquid crystal panel as claimed in claim 1, wherein these soft bodies and this rigid body are layered distribution.

8, liquid crystal panel as claimed in claim 7, wherein the material of this rigid body is the acryl based material of pencil hardness greater than 3H.

9, liquid crystal panel as claimed in claim 7, wherein the material of this soft body is the acryl based material of pencil hardness less than 3H.

10, liquid crystal panel as claimed in claim 1, wherein the thickness of this compound sept is roughly 1～10 μ m.

11, a kind of manufacture method of liquid crystal panel comprises first substrate is provided; Form a plurality of compound septs on first substrate, wherein each compound sept comprises a plurality of soft bodies and a plurality of rigid body; Liquid crystal is splashed on first substrate; And provide second substrate and first substrate to group.