TW200409990A - Liquid crystal display panel and its manufacturing method - Google Patents

Abstract

The present invention provides a liquid crystal display panel, which includes a first substrate such as TFT array substrate, a second substrate such as color filter substrate, a rubber frame arranged at the circumference of the first and second substrate, surrounding the area at the outside of the display region where the liquid crystal layer exists, and fixing the two substrates. The black matrix area with no alignment layer at the opposite side of the terminal vertical with the aligned substrate moving direction on the second substrate is formed to be larger than the moved distance by rotating the alignment rotation shaft for one time. Accordingly, it is able to obtain a liquid crystal display panel with excellent display characteristic.

Description

200409990 V. Description of the invention (1) Technical field to which the invention belongs: The present invention relates to a liquid crystal display panel and a manufacturing method thereof, and more particularly to a liquid crystal display panel with good display characteristics and a manufacturing method thereof. Prior technology:

A conventional liquid crystal display device includes a liquid crystal display panel, a polarizing plate attached to the outside of two substrates of the bath crystal display panel, and a backlight source arranged on a single US board debt. The formation of a liquid crystal display panel includes a transparent insulating substrate (array substrate) with a thin film transistor and an alignment layer, and a transparent insulating substrate (color filter base) with a color filter and an alignment layer. Plate), using spacers interspersed between the two layers at a certain interval and pasting each other at a certain distance, and using a frame glue around them, liquid crystal is injected from the liquid crystal injection port constituting one part / knife of the frame glue and sealed. Figures 3 to 4 show a conventional liquid crystal display panel. ^ 0 The next day, the liquid crystal display panel is not centered. As shown in the third figure, a black matrix 24 is formed around the effective display area 26 in the LCD panel + characterization a _ Fujian π # 士 m DAY 4 to shield the light r 1 a ^ ^ ^ nn . The distance from the 4th end of the black matrix to the 6th end of the display area is 2 to the 6th end of the board to the 6th end of the display area 垆). ΐΓ / ,, Lee Publication (Heisei) No. 8 — 234190). Among them, in Figure 3, 21

-0, u 0, ^ 1 are cedar color filter substrates, 23 is a color filter '25 is an alignment layer, and 31 is an alignment shaft. 4 As shown in Figures 3 ~ 4, Xizhisha Yiyou Yu ~ Nian # 1 ^ 失 #, which is applied to the shape filter substrate 2 i in the liquid crystal display panel, and ^ R is combined. > When the alignment layer 25 is aligned, the display area 26 will be dragged to the alignment layer 25 weeks.

200409990 V. Description of the invention (2) * " Array 27 pattern area, and this pattern is a vertical unevenness 41 toward the color filter substrate 21 in the direction S advancing toward the alignment rotation axis 31 (rotation direction R). In particular, the problem of poor display may occur in the vicinity of the alignment direction. SUMMARY OF THE INVENTION In order to solve the above problems, an object of the present invention is to provide a liquid crystal display panel with good display characteristics and a manufacturing method thereof.

In order to achieve the above object, the present invention provides a liquid crystal display panel, including a first substrate, a second substrate, and a sealant. The first substrate includes a transparent insulating substrate, a is placed on the transparent insulating substrate, and a metal layer The formed plurality of scanning lines, spaced insulation layers, and the scanning lines form a matrix-shaped complex signal line, and are arranged corresponding to each of the interlaced portions of the complex scanning line disk complex signal body, and form a plurality of pixel electrodes 1 in the display area. The second substrate is separated from each other by a liquid crystal layer and the first substrate, and is supported by a spacer therebetween. It includes a transparent insulating substrate, a black matrix formed on a surface facing the first substrate substrate as a light-shielding layer, a colored layer, The transparent " electrode and coating alignment layer, the frame adhesive is arranged around the i-th substrate and the second substrate, surrounds the area where the liquid crystal layer exists outside the display area, and fixes the two substrates. Alignment on the second substrate ° The black matrix area where the alignment layer is not formed on the opposite side of the terminal whose substrate advancing direction is perpendicular to During the rotation of the shaft, the distance it advances is still long. In addition, the present invention provides a method for manufacturing a liquid crystal display panel. The liquid crystal display panel includes a first substrate, a second substrate, and a sealant. The third substrate includes a transparent insulating substrate and is disposed on the transparent insulating substrate.

200409990

$ And the plurality of scanning lines formed by the metal layer, the spaced insulation layer, and the upper part: 5 are composed of the matrix-shaped complex signal lines, and each of the interlaced portions corresponding to the complex scanning lines is formed and formed. The display unit, the electrode, and the second substrate are separated from each other. The liquid crystal layer and the first substrate are bonded to each other / supported by a spacer therebetween. The liquid crystal layer includes a transparent insulating substrate formed on a surface facing the first substrate substrate. As the black matrix layer of the light-shielding layer, the transparent electrode and the applied alignment layer, the frame adhesive is arranged around the first substrate and the second substrate, and surrounds the area where the liquid crystal layer exists outside the display area, and The fixed two substrates are characterized in that a black matrix region on which the alignment layer is not formed on the opposite side of the terminal perpendicular to the advancement direction of the substrate on which the second substrate is aligned is formed so that it is more advanced than the one it advances during the rotation of the alignment shaft once. The distance is still long. Embodiment: The formation of the liquid crystal display device of the present invention includes connecting a driving circuit to a liquid crystal display panel and bonding the liquid crystal display panel to a backlight (lighting device). The liquid crystal display panel includes a first The 1 substrate and the second substrate of the color filter substrate are supported by a spacer, and a liquid crystal layer is interposed between the substrates; the backlight is arranged on a single substrate side. The driving circuit is generally composed of a tape carrier package (TCP: Tape Carrier Package) for an LSI that drives a TFT, and a printed circuit board (PCB: Printed Circuit Board) used to transmit power and image signals on the film carrier. . The first substrate includes a transparent insulating substrate, and the transparent substrate is provided on the transparent substrate.

2066-5758-PF (Nl) .ptd Page 6 200409990 V. Description of the invention (4) On the marginal substrate, 1 is bordered by a metal layer, and the scanning line is arranged into a matrix scanning line, and a plurality of scanning lines are isolated from each other. The plurality of signal lines: =; =: number lines, corresponding plain electrodes, and digital images coated on the surface, such as the color moment P beam L t on the insulating substrate as a light-shielding layer and the second door shirt The starry sky is equipped with a door layer surrounded by the above-mentioned first substrate, f / °, using a sealant on the outside of the display area to surround the area where the liquid crystal layer exists to fix the two substrates. Advance: Perform the second substrate above The black moment of the aligned substrate array area # 二 二 # on the opposite side of the parallel terminal is not formed == 3, which is longer than the distance the substrate advances during the rotation of the alignment axis once. The liquid crystal display panel and the manufacturing method thereof of the present invention are described in detail. Please refer to the accompanying drawings. Embodiment 1 = 1 is a plan view showing a liquid crystal display panel according to an embodiment of the present invention. The LCD panel of Sadness 1 includes ^^ ^ ^ ^ 1 substrate and color filter Between the second substrates of the sheet substrate, there is a "intermediate object", and a liquid crystal layer is interposed between the layers. The main part of the present invention will be explained below. Please refer to the color filter substrate in the first figure. In the first figure, 1 is a transparent insulating substrate such as a glass substrate; 2 is the outline of the panel (that is, the outline of the liquid crystal display panel); 3 is a color filter formed on the transparent insulating substrate above Piece; 4 is formed on the top

200409990 V. Description of the invention (5) Black matrix as a light-shielding layer on a transparent insulating substrate 丨 5 is an alignment layer; 6 is a display area of a liquid crystal display panel; 7 is a black matrix area without an alignment layer; 11 is an alignment axis . The above-mentioned color filter substrate 10 includes a color phosphor 3 formed on the transparent substrate 1 and a J-shaped magnet formed by a multilayer network, etc .; Lu 4, which has Red (Red), Green (Green), BlUe (Blue) Three-color colored layers, transparent electrodes such as IT0 (Indium Tin 0xide), and alignment layers 5 and 0. Here, ΪΪΓΛ is used to form a multi-layer chrome film by using the old money method, and then using exposure and display. ’,: Plating method; The color layer can be formed by a pigment dispersion method, a dyeing method, or the like. The transparent electrode is made of, for example, a transparent electrode material that forms a 1 T0 temple by a mask sputtering method or the like. The above array substrate includes a pixel electrode on a forming board, t, a transparent insulating base of the substrate. This array substrate can be dreamed of ::, trace, line, signal line, and alignment layer. Shadowing, etching and light are formed by film formation, photoresist coating, exposure, and contrast coating. The layers are formed by: (layering) (patterning). Layer 5, the specific method, considering the light sheet substrate 10 and the array Alignment steps on the substrate L ☆, the orientation steps. In the frame adhesive of the above liquid crystal display surface, the mixed package is made of a thermosetting epoxy resin screen printing or dispensing machine, fiber, etc. Use a spacer inside the sealant, and apply the mixed bistable filter substrate 10 or the upper and lower substrates of the array substrate on the surrounding part to make it two I. 5 Then, support it with interlayer spacers and then , And then adhere to each other in the assembly system, and then harden them. Crystal, and then injected into the knife cutting substrate, and then injected into the liquid Zhao Feng from the liquid crystal injection port. 200409990 V. Description of the invention (6) The color in the first embodiment On the filter substrate 10, as shown in FIG. 丨, the black matrix area formed by the alignment substrate on the color filter 3 in the advancing direction s is vertical, and is not formed by the alignment layer on the opposite side of the terminal. The width of 7 is longer than the alignment axis 丨 丨 in the direction of arrow R During the rotation, the color filter substrate 10 advances a long distance. For example, when the alignment is wiped, when the rotation speed of the alignment shaft is set to A (rpm), the time required for one rotation is 60. / A (sec). When the stage speed during wiping alignment is set to B (mm / sec), the distance between the stage, that is, the transparent insulating substrate, and the distance between the orientation rotation i times is Bx60 / A (nm). In addition, the distance from the 6th end of the display area to the 5th end of the alignment layer is set to C (mm), and the distance between the 4th end of the display array and the 4th end of the Fu array is set to D (color). The area of the black matrix 4 forming the alignment layer is D ~ c. (If the alignment layer 5 is not formed on the opposite side of the terminal, ^^^ is set at 0x above Bx60 / A (mm), and the soil is 丄 J. The visibility DC (mm) will be greater than the distance traveled by the black matrix 4 of the alignment layer 2 and the two-layer layer 5. The transparent insulating substrate 10 is made during the moving period; the alignment cloth can be used to prevent the formation of the alignment layer. Array advancement = surface alignment, so that the damage of the alignment cloth can be caused by uneven hooks. 'J Caused by the pattern of the reduced black matrix, it shows the pivot of the recent panel The distance towards the end of the display area tends to be miniaturized, which is longer than the distance from the opposite side of the terminal :: the end of the end of the car. However, because the end .. the shoulder is not larger than the black matrix, and goes above the black matrix area line :: :::;:

2066-5758-PF (Nl) .ptd Page 9 200409990 V. Description of the Invention (7) " " " " " " " '——_—: tanning: raw ... This will transform the black matrix Distance from end to end of display area: From the contour end of the panel on the opposite side of the terminal to the display area, it is sincere and long. In addition, for the terminal side, after the second part of the black matrix is aligned, the part outside the display area can be aligned. During this period, the following directions are used: the direction in which the second axis is advancing is perpendicular to the direction; the second direction; the direction of J and the direction of rotation. Next, the embodiment of the present invention will be described, and the embodiment is limited. One embodiment of the present invention is not limited to this embodiment. First, the rotation speed of the rotating shaft ^ of the alignment shaft is set to 100 mm / sec. The terminal is relatively defined as 1000 rpm, and the distance of the contour of the panel is set to 9 mm. At this time, the distance from the end of the display area at 1 to the advance of the stage is 6mm. The period during which the sensible F σ is rotated once is set to 1-, and the distance c from the end of the display area to the end of the alignment layer is set to pseudo # 脱 a 麻 而 ..., the distance D of the end of the matrix matrix is set to 8mm, and the black matrix is not m. The area (D_c) is 7_. Wipe alignment is performed from the opposite side of the open terminal. As a result, in order to make the advancing distance longer, the black matrix area of the stage was wiped with the alignment during one rotation of the alignment to avoid the occurrence of uneven display due to the side facing the alignment layer; the damage of the alignment cloth was The description of "Homogeneous" will be described in the second embodiment. In order to miniaturize the LCD display, it is necessary to make the sides of the frame small. Therefore, as shown in FIG. 2 ’, the present κ, as in the second form, will only report real energy to the power] In the conditions of the embodiment in the yoke type 1, the terminal

200409990 V. Description of the invention (8) The distance from the end of the display panel 6 on the opposite side T to the contour end of the panel was changed to 4mm. The cutting line of the panel outline 2 on the opposite side T of the terminal is included in the portion of the black matrix 4 area. Regarding the terminal opposite side T, even if the area is cut at the area of the black matrix 4, no short circuit occurs, so that a panel with a narrow frame edge can be formed. As described above, in the present invention, the black matrix area where the alignment layer is not formed is made larger than the distance advanced by the stage during one rotation of the alignment, so that the display unevenness in the alignment process can be avoided. Therefore, a liquid crystal display device with good display characteristics and a method for manufacturing the same can be obtained.

2066-5758-PF (Nl) .ptd Page 11 200409990 Brief Description of Drawings Figure 1 is a plan view showing a liquid crystal display panel according to Embodiment 1 of the present invention. Fig. 2 is a plan view showing a liquid crystal display panel according to a second embodiment of the present invention. FIG. 3 is a plan view showing a conventional color filter substrate. Fig. 4 is a diagram showing a display unevenness in a conventional color filter substrate. Explanation of symbols: 1: transparent insulating substrate 2 · panel 3 3 > 23: color filters 4, 24 ·· black matrix 5 ^ 25: alignment layer 6 ^ 26: display area 7: no alignment layer is formed Black matrix region 10 > 21: color filter substrates 1 1, 31: alignment axis 41: uneven

2066-5758-PF (Nl) .ptd Page 12

Claims (1)

Sixth, the scope of application for patent No. 1-a type of liquid crystal display panel, including: a substrate, a substrate ± r, a reliable substrate, and a transparent insulating substrate, which is disposed on the transparent insulation layer and scans the common metal layer The formed plural scanning lines, the spaced insulated plural scanning lines and the complex plural signal lines in a matrix form, and the plural intersecting parts of the plural pixels corresponding to the above-mentioned display area ^ 2 lines are arranged, and a second substrate is formed, phase P V '«Supported by a spacer, the complex M liquid crystal layer and the above first substrate are bonded to each other, during which the first substrate Mitutoyo includes a transparent insulating substrate and is formed on the surface facing the transparent electrode ~ coating and cloth surface The black matrix, the coloring layer, and the frame-adhesive layer as the light-shielding layer; and the outside of the display area; the substrate 1 and the second substrate surround the area where the above-mentioned Lizhong 4 / liquid crystal layer exists, and the two substrates are fixed, The black matrix ㈣ of the vertical if si 1 and the second substrate on the second substrate in the forward direction of the phase rotation axis does not form an alignment layer, which is longer than the distance it advances during the second rotation of the alignment axis. Including:-A method for manufacturing a liquid crystal display panel, the liquid crystal display panel having a marginal 2 slab of clay on the ground, including a transparent insulating substrate, disposed on the transparent insulation layer, and the sweep layer: a plurality of scanning lines formed, and spaced insulation A plurality of scanning line disks; a plurality of signal lines and corresponding interlaced portions of the plurality of image wave lines corresponding to the above-mentioned display area are provided, and a spacer supporting plate is formed to support the liquid crystal layer and the first substrate of the knife, In between, a transparent insulating substrate is formed, and the surface is formed to face the above Γϊ r- r-m f ，: V. 页 Page 13 200409990 6. Scope of Patent Application Number! The surface of the substrate and the transparent electrode on the substrate are coated with a black matrix alignment layer as a light-shielding layer; and a coloring layer and a% frame adhesive are disposed around the first substrate and the second substrate and surround the outer side of the display area ^ α _ 'area where the night sa layer exists, and the two substrates are fixed, the black matrix area where the lieutenant is perpendicular to the advancing direction of the substrate on which the second substrate is aligned, and the opposite side of the child is not formed, The formation distance is longer than that during the rotation of the alignment shaft. 3. The manufacturing method of the liquid crystal display panel according to item 2 of the scope of the patent application, wherein the second substrate is cut in a black matrix area on the opposite side of the terminal perpendicular to the advance direction of the aligned substrate, and the second side of the terminal is cut. The liquid crystal display panel end is included in the above-mentioned black matrix region. 4. The liquid crystal display manufacturing method described in item 2 or 3 of the patent application scope, wherein the alignment and advancing direction of the second substrate is performed from the side of the #panel system. . While the relative