TWI236033B - Alignment mark and flat display panels containing the same - Google Patents

Abstract

The present invention provides a set of alignment marks for flat display panel assembly. The set of alignment marks includes a first alignment mark composed of a first parallelogram and the diagonal lines thereof extending outward from the four corners, and a second alignment mark composed of a second parallelogram that is identical the first parallelogram in shape and plural sets of parallel line segments disposed along two sides of the diagonal lines extending outward from the four corners of the second parallelogram. The first and second alignment marks are disposed on corresponding areas of the front and rear panels of a flat display device, respectively. When assembling, the first parallelogram is overlapped with the second parallelogram. In addition, the diagonal lines of the first alignment mark are aligned to central axles of the sets of parallel line segments of the second alignment mark, which are designed to improve alignment accuracy.

Description

T236033_ V. Description of the invention (1) [Technical field to which the invention belongs] The present invention relates to plasma display panels (Plasma Display Panel, PDP for short), and in particular to stack calibration of substrates before and after plasma display. [Previous technology] Flat-panel displays are the mainstream of current displays, and large-sized main currents are plasma display panels (PDPs). The main principle of the plasma display is to use the ultraviolet radiation emitted by the gas arc (Arc) to excite the three primary colors of red (R), blue (B), and green (G) phosphorescent substances, and the three primary colors are mixed to display various colors of visible light. . A conventional plasma display panel structure is described below with reference to FIGS. 1A to 1C. FIG. 1A shows a conventional front panel (fr0nt p 1 a t e) structure of a plasma display device, or an upper panel structure. A long-shaped sustain electrode C and a scan electrode S are provided on the transparent glass substrate 10 in parallel with each other. Next, a dielectric layer 2 such as a transparent dielectric layer 'covers the surface of the transparent glass substrate 10 and covers sustain electrodes C and scan electrodes. Next, a protective layer is formed on the dielectric layer 12 14 and finish the front panel structure as shown in Figure 1 A. Figure 1B shows the rear panel structure of a conventional plasma display device, or the lower panel structure. First in glass A plurality of parallel address electrodes (addresse 1 ectr) a are formed on the substrate 丨 6. Then, the surface of the glass substrate 16 and the address electrode a are covered with a dielectric layer 18. Then, the surface of the dielectric layer is defined. Form a barrier wall as a color rendering unit

0632-A50010-TWf (Nl); AU0307008: Peggy.ptd 1236033____ V. Description of the Invention I2) ~~~~~~~: -...--- ............:: ..._— (barrier rib) 20, as shown in FIG. 1B, the barrier ribs 20 are at a predetermined distance from each other, and the strips are arranged in parallel on the surface of the dielectric layer 8 and each of the two barrier ribs 2 0 is sandwiched between a certain address electrode A to form a structure in which the barrier wall 20 and the address electrode A are spaced apart. And the phosphor layers 22 which generate red light, green light or blue light are coated between two adjacent barrier walls 20 to form a rear plate structure as shown in FIG. 1B. Referring to FIG. 1C, a side view of a PDP light-emitting unit formed by combining the panel structure before FIG. 1A and the panel structure after FIG. A is shown. After the flat electrodes of the front plate structure (^ and the scanning electrode and the address electrode A of the rear plate structure are overlapped with each other in a perpendicular direction, a plurality of light-emitting units are formed. As shown in FIG. 1c, the front plate and the rear plate The light-emitting units are separated between the boards by a barrier wall 20. Each light-emitting unit = the addressing electrode A of the rear plate writes display data, and the sustaining electrode c and the scanning electrode s of the front plate are used for discharging and actual display. Among them The sustaining electrode c and the scanning electrode S in FIG. Ic should be arranged perpendicular to the addressing electrode A: For convenience of illustration, the sustaining electrode c and the scanning electrode s in the figure are adjusted by 90 degrees to explain the structure of the light-emitting unit. Still see Figure 1C. After the front and back plates are combined with each other, the gap between the glass plate is filled with an inert gas, such as a mixed gas of neon and gas. The mother address electrodes A and a pair of sustain electrodes c and The intersection area of the scanning electrode s is: a light emitting element. When a voltage is applied, the inert gas to _ in the light-emitting unit is excited to generate a plasma effect and emit ultraviolet rays. When the light materials are 22R, 22G 422B, Generating I: ^ ,, green visible light or color monitor, and this combination of primary colors superimposed color display into the plane day.

Page 8 1236033 ____ V. Description of the invention 13) — One —: ...... ::… And because the plasma_heater 7F device is a light-emitting unit composed of two front and rear substrates stacked as above, α 5 constitutes a light-emitting unit, Therefore, the accuracy of the superposition between the substrates affects the space size of the light-emitting unit and the degree of control of the light-emitting space by the electrodes. In general, the overlapping error may cause the area of the light-emitting unit to be inconsistent. Depending on: the electrode A or the sustaining electrode C and the sweeping electrode S deviate from the central position of the light-emitting unit, and the inert gas in the light-emitting space cannot be effectively excited to generate plasma. This causes problems such as reduced luminous efficiency and color unevenness, which affects display quality. As mentioned above, in order to make the front and back substrates accurately align, the planar display is usually set as an alignment mark on the subsequent substrate as the basis for alignment. Referring to FIGS. 2A to 2C, the alignment patterns provided on the front and rear substrates of the plasma display are shown. As shown in Figure 2A, alignment patterns are generally set in the non-display areas of the four corners of the front panel F and the rear panel R. As shown in Figure 2B, cross-shaped marks are set on the four corners of the non-display area on the transparent front plate F, and corresponding non-display areas on the transparent rear plate R are also set at four equally spaced intervals. It is rectangular, and when the front and rear plates are stacked, the stacked pattern shown in FIG. 2B is displayed. Alternatively, as shown in FIG. 2C, a hollow circular pattern is provided on the front plate F, and a smaller solid circle is provided on the rear plate r. When the front rear plates are paired, it will appear as shown in FIG. 2C The concentric circles overlap the pattern. << [Contents of the Invention] As the size of the flat display gradually increases, in order to make the flat display 'more accurate as shown in the above-mentioned plasma display panel, the object of the present invention is to provide an alignment pattern. mark), which can increase the alignment accuracy and recognition rate of the front and rear panels of the flat panel display and reduce the alignment error

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1236033 V. Description of the invention (4) —… — (alignment error), and further improve the output efficiency of the alignment assembly (Assembly). In order to achieve the above purpose, a set of alignment patterns according to the present invention is provided on a first substrate and a second substrate constituting a flat display, which are used for a substrate stack of a flat display, and include: a first pattern including The first parallelogram pattern and its diagonal line, and the diagonal line extends outward from the four corners of the first parallelogram pattern; and, a second pattern including: the shape of the second parallelogram pattern and the first parallelogram pattern The same and different sizes, as well as the symmetric line group of the complex array, are arranged in parallel on both sides of the diagonal direction extending outward from the four corners of the second parallelogram pattern, so that the diagonal direction of the second parallelogram pattern extends to be symmetrical The center position of the line segment group. Wherein, the above-mentioned first and second patterns are respectively disposed on the relative positions of the first substrate and the second substrate constituting the flat display. When the first and second substrates are overlapped, the first and second patterns of the same shape but different sizes are arranged. Two parallel four sides open &gt; The patterns face each other so that the alignment gaps on the four sides are consistent. In addition, the symmetrical line segment group is used as the alignment scale, and the extended diagonal of the first parallelogram pattern should be aligned with the center of the symmetrical line segment group of the second pattern to ensure the accuracy of the overlap. The present invention further provides another set of alignment patterns, including: a first pattern including a first parallelogram pattern and a diagonal line thereof, and the diagonal line = the four corners of the first bezel pattern extending outwardly; and, The next day, its ΐ ΐ and f? Γ: The quadrilateral pattern 'parallel to the first' shape ::: 3 is different from the true and a plurality of imaginary and linear lines are arranged symmetrically and radially on the brother's flat-shaped quadrilateral pattern Four corners extending outward

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1236033___ V. Description of invention (5). Wherein, the first and second patterns are respectively disposed on the relative positions of the first substrate and the second substrate constituting the flat display, and when the first and second substrates are stacked, the first and second patterns of the same shape but different sizes are arranged The second parallelogram patterns overlap each other so that the alignment gaps of the four sides are consistent. The extended diagonal of the first parallelogram pattern is superimposed on the center of the symmetrical dotted line of the second pattern to ensure the accuracy of the superposition. The present invention further provides front and rear substrates of the flat display with the above-mentioned alignment pattern, which can more quickly and accurately perform substrate stacking. In order to make the above-mentioned objects, features, and advantages of the present invention more comprehensible, the following detailed description is given in conjunction with the accompanying drawings: [Embodiment 1] The first embodiment is described below with reference to FIGS. 3A, 4A, and 5A. A set of alignment patterns in one embodiment. The set of alignment patterns includes a first pattern as shown in FIG. 3A and a second pattern as shown in FIG. 4A, which are respectively disposed on the front panel and the rear panel of a polymer display. Preferably, the alignment patterns are provided on the front and rear plates, respectively, on the four corners of the non-display area. As shown in FIG. 3A, the first pattern includes the first parallelogram pattern 30 and a pair of diagonal lines 32 thereof, and the diagonal line 32 extends outward from the four corners of the first parallelogram pattern 30. The predetermined distance LA, and in a preferred embodiment, the first parallelogram pattern 30 is a hollow diamond pattern, for example, a hollow square pattern has a preferred side length of 2-3 μm. As shown in Figure 4A, the second pattern includes a second parallelogram pattern

0632-A50010-TOf (Nl): AU0307008; Peggy.ptd Page 11 T236033______ V. Description of the invention (6) —— ............ 40 'The shape is the same as that of the parallelogram pattern 30, but the size different. In one embodiment, the second parallelogram pattern 40 is a solid square, but is smaller than the first parallelogram pattern 30. On the diagonal direction 4 2 where the four corners of the second parallelogram pattern 40 extend outwards, the complex array alignment scale (A 1 i g n m e n t Y a r d s t i c k) is set with the extended diagonal line as the center axis. The better alignment scale is shown in Figure 4A. It is designed as a symmetrical line segment group 4 1 on both sides. For example, the line segment group is opposed to each other, and the length of the line segment decreases from the outside to the diagonal center axis and is located at The distances between the first and second side segments of the diagonal are equal and symmetrical. In a preferred embodiment, a complex array of symmetrical line segment groups 4 1 ′ are provided on each diagonal direction 42 of four corners of the second parallelogram pattern 42 extending outward, as shown in FIG. 4A. On the diagonal lines 4 2 of the side extensions, three groups of symmetrical line groups 41 are arranged at equal intervals. And at an appropriate distance LB from the midpoint of the diagonal line to the extended diagonal line 42, line segments 4 3 and 4 4 are arranged in a vertical T shape, wherein the line segment 4 3 is placed on the extended diagonal line 4 2 at a distance LB. , And the line segment 44 and the line segment 43 are perpendicular to each other, and the distance between two opposite τ-shaped shapes is about 10 to 20 mm. As shown in FIG. 4A, a complex array of symmetrical line segment groups 41 are sandwiched in the diagonal direction extending between the τ-shape and the square pattern. The distance LB between each τ-shape and the central second parallelogram pattern should be equal or slightly longer than the extended diagonal length la, of the second parallelogram pattern. The detailed configuration is detailed in the superimposed figure 5A below. Described. The first and second patterns may be formed on the relative positions of the front and rear plates of the plasma display panel by a conventional electrode manufacturing process, but there is no limitation on which one is provided on the front plate or the rear plate. In an embodiment, the four sides of the front panel F and the rear panel R of the plasma display are not displayed as shown in the aforementioned $ 2A diagram.

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1236033

1236033______ 5. Description of the invention (8) ---------------- It is not placed at the end of the diagonal extension direction, and a T-shaped pattern composed of line segments 43 and 44 can be used as the first Facing Ah gnment standard with the second pattern 'By adjusting the diagonal 32 and the line segment 43 to the same horizontal line to form a straight line, the overlapping accuracy between the two patterns can be ensured ^ Dingzi The line segment 44 in the pattern that is perpendicular to the line segment 43 and the diagonal line 32 also helps to increase the recognition effect during the alignment process. In order to achieve a better alignment effect, the distance lb between the line 43 in the τ-shaped pattern of the first pattern and the center of the diagonal of the square pattern should be approximately equal or slightly longer than the diagonal of the first pattern. The line h 2 extends from the diagonal center point and extends outward. To sum up, after the first pattern and the second pattern are set on the opposite positions of the front panel and the rear panel of the plasma display, respectively, when the front panel and the rear panel are overlapped, the central and The two parallelogram patterns 3 〇 and 4 〇 and the vertical and horizontal extension diagonal lines 32 and the alignment scale 4 丨 overlap, accurately calibrate the horizontal and vertical positions between the two substrates, and the length of the line segment gradually decreases. The line segment group 41 is helpful for improving the alignment recognition rate. Therefore, no matter whether the substrate stacking is performed manually or by aligning the machine, the stacking efficiency and accuracy of the substrate can be effectively improved. The T-shaped pattern in the second pattern terminal also provides the basis for the opposite alignment with the diagonal line 32 in the first pattern. The second embodiment is described below with reference to FIGS. 3B, 4B and 5B to illustrate a set of alignment patterns in another embodiment of the present invention. This set of alignment patterns includes a first pattern similar to that shown in FIG. 3A, and a second pattern such as that shown in FIG. 4B, which is respectively disposed on the front panel and the back panel of a plasma display. It is better to set the first and second panels respectively on the four corners of the non-display area.

0632-A50010-TWf (Nl); AU0307008; Peggy.ptd Page 14 1236033 V. Description of the invention (9). First and second registration pattern. Similarly, there is no restriction on which of the first or second patterns is provided on the front plate or the rear plate. As shown in FIG. 3B, the first pattern includes the first parallelogram pattern 30 and its diagonal line 32, and the diagonal lines 32 extend outward from the four corners of the first parallelogram pattern 30 by a predetermined distance LA. In the embodiment, the first parallelogram pattern 30 is a hollow rhombus pattern, such as a hollow square, and the side length is between 2 and 3 mm. In a more preferred embodiment, in addition to the actual diagonals 32 extending the distance l, a set of three-to-three opposites is provided at each of the four ends of the extending direction, and the length of the line segments extends from the outside to the diagonal center axis. The symmetrical symmetrical line segment group 31, which is decreasing and has equal and symmetrical line segments on both sides, serves as an alignment scale (Alignment Yardstick). The second pattern is shown in FIG. 4B, which includes a second parallelogram pattern 50. In a preferred embodiment, the second parallelogram pattern 50 and the first parallelogram pattern 30 have the same shape but different sizes. In one embodiment, the second parallelogram pattern 50 is a solid square, but is smaller than the first parallelogram pattern 30. The first parallelogram pattern 30 and the second parallelogram pattern 50 having the same shape but different sizes may be hollow or solid squares or may be hollow squares, but the present invention is not limited thereto. In the second parallelogram pattern 50, the diagonal direction i of which the four corners extend outwards, and the extended diagonal 52 as the center axis, set the complex array alignment scale (A1 ignment Yardstick), as shown in Section 4B As shown in the figure, η dashed lines are equidistantly symmetrically arranged on both sides of the dummy diagonal line 5 2 respectively. For example, 2 dashed lines 5 6A and 5 6B and 5 6 Α ′ and 5 6B are provided, respectively, and the dummy diagonal line. The 52 rooms are arranged radially with an angle of 0A and 'θ A and 0B and, respectively. While crossing diagonally

0632-A50010-TWf (Nl); AU0307008; Peggy.ptd Page 15 1236033 V. Description of the invention (10) ~ One cross point midpoint extends an appropriate distance on the diagonal 52, and a vertical T-shaped line segment is set 53 and 54 'wherein the line segment 53 is placed on the extended diagonal line 52, and the line segment 54 and the line segment 53 are perpendicular to each other. The distance between the two U-shaped lines is about 10 to 20 mm. The distance Lc ′ of each __ T a polygonal pattern should be the same length or slightly larger than the diagonal length La of the second parallel quadrilateral in the center, detailed configuration = brother-parallelogram pattern. Xia Ze In the following superimposed Figure 5B, the above first and second patterns can be buried together. Feathers are formed on the front and back panels of the plasma display. The electrode process is known on the front or back panel, respectively. Unlimited. In one position, but where is the front panel 1 of the plasma display shown in Figure 2A? In the example, it is at the corner of the first area as described above, corresponding to the first _ / and ... reverse-up R = Four-sided non-display bit pattern (referring to the first and second pattern A, Le Er pattern, and each group is about 10 ~ 20 mm square. When the pattern is made of human and square), it is a better front plate When F and the rear plate R are superimposed and aligned, the pattern 30 or the alignment machine can be used to pattern 30 and the solid square plan on the rear plate R. The hollow square shape picture on the plate 1? Fortunately, the pattern is 50. Overlapping each other to form a square of 30 ° / Angstrom as shown in Figure 5B

When overlapping with the rear plate R, because of the hollow square current plate F, its four sides are long and the side is + η square 40. After it is doubled, r A /. + Τ buttercups, and the gap between the lengths Ent Interstlces) M 1 d] = d2 = d3 = d4, it means accurate alignment. And the above open = prepared ;: line: the polygonal pattern and the second parallelogram figure if Ding; or ... shape, or both are hollow square, the present invention; page 16 0632-A50010-TW_); AU0307008; Peggy. ptd 1236033 V. Description of invention (11) Limit. Still seeing in Figure 5B, the relative relationship between the dotted lines 56A and 56B and 56A, 56B, and the diagonal 32 can form the alignment scale (A1 ignmen1:

Yardstick). Because the dotted lines 56A and 56B, 56A, and 56B are arranged symmetrically and radially, when the diagonal lines 32 are aligned with the middle axes of the dotted lines, the distance between them and the diagonal lines 32 is calibrated as IA = IA 'and ΐβ = 'is used as the basis for alignment. Generally speaking, due to the radial arrangement, the magnification effect is formed on the outer side, which makes it easier to identify the outer side and also makes it easier to determine alignment errors. Referring again to FIG. 5B, the diagonal line 32 in the first pattern and the second pattern are arranged at the end of the diagonal extension direction, and a τ-shaped pattern composed of line segments 53 and 54 can be used as the first and second. The Facing Alignment standard between the patterns, by adjusting the diagonal 32 and the line segment 53 to the same horizontal line to form a straight line, can ensure the overlap accuracy between the two patterns. The T-shaped pattern perpendicular to the line segment 53 and the diagonal line 32 also &amp; helps to increase the recognition effect during the alignment process. In order to achieve better alignment effect, the distance Lc between the line segment 53 in the T-shaped pattern of the second pattern, the square pattern pair, and the center of the diagonal line should be approximately equal or slightly longer than the first / pattern. The length L of the diagonal line 32 extending outward from the diagonal center intersection. Back "In the preferred embodiment, the symmetrical line segment group 31 provided at the two solid terminals of the diagonal line 32 of the first pattern can be used as the alignment Yardstick of the line segment W in the second pattern. Its alignment efficiency. As the size of the substrate of the plasma display is increasing, in order to "accurately adjust the front and back substrates to form the light emitting unit, the alignment accuracy has become the focus of improvement in the manufacturing process = 2. The alignment pattern in the present invention , By pairing = ^ ^ 〆

1236033 V. Description of the invention (12) (Alignment Yardsti Interstices) and alignment help to improve the alignment efficiency of large-sized substrates, even if there is a distortion error, through the configuration of the alignment and alignment gap, make appropriate adjustments to improve the plasma Although the display of the present invention is based on the present invention, within any familiarity and scope, you can do some designs such as the attached application attached to the video, the alignment gap (Faced Alignment), and other designs. Accurate alignment accuracy and speed up the alignment speed. The unit structure of the rear substrate produces some inventions. The vertical and horizontal extended diagonal design can also be used in the horizontal and vertical directions during stacking to reduce electricity. ASsembly yield rate of plasma light-emitting unit. Gate is poor 1C: as above, but it is not used to limit fΞι ^ from the spirit of the present invention, two changes and retouching 'Therefore, it is defined by the scope of the present invention Whichever prevails.

1236033___ Brief description of the drawings — Figures 1A to 1C show the structure of a conventional plasma display front panel and rear panel and the light-emitting unit structure formed by combining them. Figures 2A to 2C show the conventional overlapping pattern of the front panel and the rear panel of a plasma display and the area where it is arranged. Figures 3A, 4A, and 5A illustrate a set of alignment patterns according to an embodiment of the present invention. Figures 3B, 4B, and 5B illustrate a pair of bit patterns according to another embodiment of the present invention. [Symbol description] 10, F ~ Front plate; 1, 2, 18 ~ Dielectric layer; 14 ~ Protective layer; 16, R ~ Rear plate; 20 ~ Barrier wall; 22R, 22G, 22B ~ Fluorescent Body layer; C ~ sustaining electrode; S ~ scanning electrode; A ~ addressing electrode; 30, 40, 50 ~ square pattern; 3 1, 4 1 ~ symmetrical line segment group; 32 ~ set diagonal line; 4 2, 5 2 ~ dummy diagonal lines; 43, 44, 53, 54 ~ line segments;

0632-.450010-TWf (Nl): AU0307008: Peggy.ptd Page 19 1236033 Brief description of the drawings 56A, 56A ', 56B, 56B' to dotted lines. Picture _ Picture 1 Page 20 0632-A50010-TWf (Nl): AU0307008; Peggy.ptd

Claims (1)

1236033 6. Scope of applying for patents ............ 1. A set of alignment patterns, which are used to stack the substrates of a flat display, including: A first pattern including a first parallelogram pattern and a diagonal thereof, and the diagonal line extending outward from four corners of the first parallelogram pattern; and a second pattern including: a second parallelogram pattern, and The first parallelogram pattern has the same shape but different sizes; and the symmetric line segment group of the complex array is arranged in parallel on the two sides of the diagonal direction extending outward from the four corners of the second parallelogram pattern to make the second parallelogram pattern The extended diagonal direction is located at the center of the line segment group; wherein the first and second patterns are respectively disposed at the relative positions of a first substrate and a second substrate constituting the flat display, and when the first and When the second substrate is overlapped, the first and second parallelogram patterns are overlapped with each other, and the diagonals of the first parallelogram pattern are superposed on the center position of the symmetrical line segment group of the second pattern. 2. The alignment pattern according to item 1 of the scope of patent application, wherein one of the first and second parallelogram patterns is a solid square, and the other is a hollow square, and the hollow square is larger than the solid square, When the first and second substrates are overlapped, the hollow square and the solid square are centered on each other. 3. The alignment pattern according to item 1 of the scope of patent application, wherein the first and second parallelogram patterns are rhombuses. 4. According to the registration pattern described in item 1 of the scope of patent application, wherein 0632-A50010-TWf (Nl): AU0307008: Peggy.ptd Page 21 1236033__ VI. Scope of patent application The length of the line segment of the symmetrical line segment group decreases from the outside to the central diagonal. 5. According to the alignment pattern described in item 4 of the scope of patent application, wherein the four parallel lines of the second parallelogram pattern extend outward in four diagonal directions, and two sets of the symmetrical line segment groups are provided. 6. The alignment pattern according to item 1 of the scope of the patent application, wherein the bottom ends of the four diagonal lines in which the second parallelogram pattern extends outwards are further provided with a T-shape outside the symmetrical line segment group Line segment. 7. The registration pattern according to item 6 of the scope of patent application, wherein the distance between each two opposite T-shaped line segments is about 10 to 20 mm. 8. — Set of alignment patterns, which are used for a pair of substrates of a flat display, including: a first pattern including a first parallelogram pattern and its diagonal, and the diagonal line is formed by the first parallelogram pattern The four corners extend outward; and a second pattern includes: a second parallelogram pattern having the same shape and different size as the first parallelogram pattern; and a plurality of dotted lines arranged symmetrically in a radial pattern on the first The four corners of the two parallelogram patterns extend outward on both sides in the diagonal direction; wherein, the first and second patterns are respectively disposed at relative positions of a first substrate and a second substrate constituting the flat display, when When the first and second substrates are overlapped, the first and second parallelogram patterns are overlapped with each other, and the diagonals of the first parallelogram pattern are superimposed on the center position of the symmetrical dotted line of the second pattern. . 0632-A50010-Wf (Nl): AU0307008: Peggy.ptd Page 22 1236033 _ ** &quot; '1 1 * ·· ^--...----.................. Application Scope of patent 9 · According to the registration pattern described in item 8 of the scope of patent application, wherein one of the first and second parallelogram patterns is a solid square, and the other is a hollow square, and the hollow square is larger than the solid square When the first and second substrates are paired, the hollow square and the center point of the through square are superimposed on each other. I 0 · The registration pattern according to item 8 of the scope of patent application, wherein the first and second parallelogram patterns are rhombuses. II. The alignment pattern according to item 8 of the scope of the patent application, wherein the bottom ends of the four diagonal lines of the second parallelogram pattern extending outward are further provided with T-shaped line segments. 1 2 · According to the registration pattern described in item 11 of the scope of the patent application, wherein the distance between the T-shaped line segments of each pair of cypress pairs is about 0 to 20 mm. 1 3. The alignment pattern according to item 11 of the scope of patent application, wherein the first pattern further includes a complex array of symmetric line segments, which are arranged in parallel to the outside of the extending diagonal of the first parallelogram pattern, so that the first The diagonal direction of a parallelogram pattern extension is located at the center of the symmetrical line segment group. 1 4 · According to the registration pattern described in item 3 of the patent scope, the length of the line segments of the symmetrical line segment group decreases from the outer side to the central diagonal. A group of "flat display substrates" includes a first substrate and a second substrate. At least one set of alignment patterns is provided on the first and second substrates. The set of alignment patterns includes: the first pattern includes a first parallelogram pattern and A diagonal line extending outward from four corners of the first parallelogram pattern; Page 23 1236033_ 6. The scope of patent application and a second pattern include: a second parallelogram pattern that is the same shape but different in size from the first parallelogram pattern; and a symmetric line segment group of a complex array arranged in parallel The four parallel corners of the second parallelogram pattern extend outward on both sides of the diagonal direction, so that the diagonal direction of the second parallelogram pattern extension is located at the center of the line segment group; wherein the first and second patterns are provided separately At the relative positions of the first and second substrates constituting the planar monitor, when the first and second substrates are overlapped, the first and second parallelogram patterns are overlapped with each other, and the first parallel The diagonal lines of the quadrangular pattern are superimposed on the center position of the symmetrical line segment group of the second pattern. 16. According to a group of flat display substrates described in item 15 of the scope of patent application, the alignment patterns are respectively provided on the four corners of the first substrate and the second substrate. 1 7. A group of flat display substrates according to item 15 of the scope of patent application, wherein the first and second substrates are suitable for plasma displays. 1 8. According to a group of flat display substrates according to item 15 of the scope of patent application, wherein one of the first and second parallelogram patterns is a solid square, and the other is a hollow square, and the hollow square is larger than the A solid square, when the first and second substrates are overlapped, the hollow square and the center of the solid square overlap each other. 19. The group of flat display substrates according to item 15 of the scope of patent application, wherein the first and second parallelogram patterns are diamond-shaped. 0632- ^ 0010-TWf (Nl); AU0307008: Peggy.ptd Page 24 1236033_ VI. Patent application scope 2 0. According to one of the group of flat display substrates described in item 15 of the patent application scope, wherein the symmetrical line segment group The length of the line segment decreases from the outside to the central diagonal. 2 1. A set of flat display substrates according to item 15 of the scope of the patent application, wherein four diagonally extending outward four corners of the second parallelogram pattern are each provided with three symmetrical line segment groups. 2 2. According to a group of flat display substrates described in item 15 of the scope of the patent application, the four diagonally extending bottom ends of the second parallelogram pattern extending outward are further provided outside the symmetrical line segment group. There are T-shaped line segments. 2 3. A set of flat display substrates according to item 22 of the scope of the patent application, wherein the distance between each two opposite T-shaped line segments is about 10 to 20 mm. 2 4. — A group of flat display substrates, including a first substrate and a second substrate. At least one set of alignment patterns is disposed on the first and second substrates. The set of alignment patterns includes: a first pattern, including a A first parallelogram pattern and its diagonal, and the diagonal line extends outward from the four corners of the first parallelogram pattern; and, a second pattern including: a second parallelogram pattern parallel to the first The four-sided row patterns have the same shape but different sizes; and a plurality of dotted lines are symmetrically and radially disposed on both sides of the diagonal direction of the four corners of the second parallelogram pattern extending outward; wherein the first and second patterns Set separately to make up the plane display 0632-.A50010-TWf (Nl): AU0307008; Peggy.ptd, page 25, 1236033 ~ VI. Patent application range II Tian: In the relative position of the substrate between the scholar and the brother, when the first and second base pairs are = The first and second parallelogram patterns are overlapped with each other, and the diagonals of the second parallel male pattern are superimposed on the center position of the pair of rocking dotted lines of the second pattern. 〇 ir gen j: Ha • | A set of flat display panels described in the scope of patent application No. 24 soil plate ', four corners of the first substrate and the second substrate in the middle, corresponding to the% poetic pattern. , • 乂 辕 one of the flat-panel display substrates described in item 24 of the scope of patent application, and the first and second substrates in Chinese reading are suitable for plasma displays. 2 7. 之一 One of the group of flat display substrates described in the scope of application for patent No. 24 '', one of the first and second parallelogram patterns recorded in the record is a solid square, and the other &amp; one ', each: 〆 ~ It is a hollow square, and when the hollow square is larger than the solid square and the second and second substrates are overlapped, the hollow square and the center of the solid square overlap each other. 28. A group of flat display substrates according to item 24 of the scope of patent application, wherein the first and second parallelogram patterns are diamond-shaped. 2 9 · According to a group of flat display substrates described in item 24 of the scope of the patent application, wherein the bottom ends of the four diagonal directions in which the second parallelogram pattern extends outwards are further provided with T-shaped line segments. , 30 · According to a group of flat display substrates described in item 29 of the scope of the patent application, wherein the distance between each two opposite T-shaped line segments is from 0 to 20 mm. 3 1 · According to a group of flat display substrates described in item 24 of the scope of the patent application, wherein the first pattern further includes a group of symmetrical line segments, which are arranged in parallel to the outer diagonal of the first parallelogram pattern, Make the first 〇632- ^ 0010-T \ Vf (Nl); AU0307008; Peggy.ptd Page 26 1236033__ VI. Scope of patent application The diagonal direction of a parallelogram pattern extension is located at the center of the symmetrical line segment group. 3 2. According to a group of flat display substrates described in item 31 of the scope of patent application, the length of the line segments of the symmetrical line segment group decreases from the outside to the central diagonal. 0632-A50010-TWf (Nl): AU0307008: Peggy.ptd Page 27