TW200946655A - Liquid crystal display panel and manufacturing method thereof - Google Patents

Abstract

A liquid crystal display panel and manufacturing method thereof are provided. The manufacturing method includes the following steps: providing a first substrate; providing a second substrate; forming a liquid crystal layer between the first substrate and the second substrate; and providing a liquid crystal stabilizing monomer material as indicated by molecular formula (1) to the liquid crystal layer. Then, provide a light to the liquid crystal stabilizing monomer material so as to form a liquid crystal stabilizing polymer layer between the liquid crystal layer and at least one of the first substrate and the second substrate. In molecular formula (1), A1 and A2 is respectively selected from vinyl, vinyloxy, acrylate, methylacrylate and epoxygroup, B1, B2 and B3 is respectively represent aromatic group, C1 and C2 respectively represent -COO-, -OCO- or-O-. In addition, M1 represents alkylene group or single bond, M2 represents alkylene group.

Description

^ZITW 26702twf.doc/n IX. Description of the Invention: [Technical Field] The present invention relates to a display element and a method thereof relating to a liquid crystal display panel and a method of fabricating the same '' The rapid progress of the multimedia society has mostly benefited from the advancement of the human-machine display device. On the display | set _,: enamel, space efficiency, low power consumption, no _ ^ more ^ flat display device has gradually become the mainstream of the market. Among various flat display devices, the liquid crystal display panel is a relatively mature display device of the prior art. * FIG. 1 is a schematic cross-sectional view of a conventional liquid crystal display panel. Referring to FIG. 1 , in the liquid crystal display, the conventional liquid crystal display panel 1 〇〇 mainly includes a color filter substrate 110 , a thin film transistor array substrate 12 , a color shape thereof, a light substrate 11 , and a thin film transistor array substrate. Each of the 12 turns has a common electrode layer 112 and a pixel electrode layer 122. Further, the liquid crystal layer 150 is sealed between the common electrode layer U2 of the color filter substrate 11A and the pixel electrode layer 122 of the thin film transistor array substrate 120. When a potential is applied between the common electrode layer 112 and the halogen electrode layer 122, the liquid crystal molecules of the liquid crystal layer 150 are deflected by the potential energy, so that the liquid crystal display panel 1 has a corresponding potential. The light penetration rate of energy. In this way, the liquid crystal display panel 100 can display different gray scale pictures according to the potential energy between the common electrode layer 112 and the halogen electrode layer 122, and 5 200946655, Z1TW 26702twf.doc/n. In addition, as shown in FIG. 1 , a protrusion 130 as shown in FIG. 1 may be formed on the common electrode layer 112 and the halogen electrode layer 122 respectively in the liquid crystal display panel 100 ′ so that the liquid crystal in the liquid crystal 150 The molecules produce a multi-directional alignment effect, increasing the viewing angle range of the liquid crystal display panel 100. ❿ Of course, the above-mentioned protrusions (pr〇trusi〇n) 3 can also be replaced by slits, in other words, patterned slits are formed on the pixel electrode layer 122 of the thin film transistor array substrate 12 ( The slit or the design of the protrusions and the slits at the same time, so that the liquid crystal molecules in the liquid crystal layer 150 also produce a multi-directional alignment effect', thereby increasing the viewable angle of the liquid crystal display panel and increasing the reaction of the liquid crystal molecules. speed. However, the above-mentioned design using the configuration protrusions and slits requires that in addition to the additional mask process, when the light penetrates the protrusions, part of the lines are absorbed by the protrusions. Therefore, the liquid crystal display panel There is usually a problem of darkness when cutting the face.

In the prior art, an alignment method for stabilizing the boundary of the liquid crystal layer is proposed. In this technique, a monomer (face bribe) is added to the liquid crystal layer, and the liquid crystal molecules of the crystal layer are secreted by a single age, and the reaction rate of the crystal lattice is added. _, the liquid crystal display panel manufactured by the above technique performs poorly in the image residual (four) reliability test and affects the overall display quality of the liquid crystal display panel. =, in the reliability of the film to stay in the experiment, first, the liquid is not enough to display the panel - black and white test pattern, and burned 6 200946655^ZITW 26702twf.doc/n 200946655^ZITW 26702twf .doc/n

(bum-in) for 48 hours, and after the burn-in, the liquid crystal display panel to be tested displays a full-faced ash surface, and defines an image burn-in rate α = ((β-γ) / γ Χ1〇〇%, where β is the brightness when the white test pattern is displayed before, and γ is the brightness when the black test pattern is displayed. In other words, the larger the value of the alpha value, the less representative the performance of the liquid crystal display panel in terms of the reliability of image sticking. On the contrary, the smaller the value of the alpha value, the more the performance of the hemp crystal display panel in image residual (four) reliability. it is good. In the financial technology, the image burn rate of the liquid crystal display panel is preferably 6%. In addition to the above problem of image sticking, in general, the process conversion rate of the monomer material in the related art in the formation of the polymer is not good, and the yield of the liquid crystal aged panel is poor and the manufacturing cost is accompanied. Increased problem. [Summary of the Invention]

It is a kind of liquid crystal display panel which has a better alignment effect by changing the liquid crystal stability, and reduces the problem of image retention in the reliability test. The present invention further provides a liquid crystal display panel as a composition of a single material to reduce the problem of image retention in the liquid crystal display redundancy = measurement method. This method of fabrication, package (4) a V aa /, the first substrate, and The first substrate and the second base stabilizing body are two stable monomer materials, wherein the liquid crystal knife is represented by the following formula (1), and the liquid crystal stable single 7 ^ZITW 26702twf.doc/n body material is irradiated with a light A liquid crystal stabilizing polymer layer is formed between the first substrate and at least one of the liquid crystal layer and the second substrate and the liquid crystal layer. A1-B1-Ml-Cl-B2--Cl——B3——M2-A2 (1) wherein A, A2 independently represent a group having a vinyl group, a vinyloxy group, an acrylic group, and a mercapto propylene group The acid group or the group having the epoxy group 'B1, B2, B3 respectively represent an aromatic group (Aromatic), and C1 and C2 respectively represent a linking group, and C1 and C2 respectively represent a C00. -, a 0C0 - or a 0-, Ml represents an alkylene group having a carbon number of 1 to 11 or a single bond, and M2 represents an alkylene group. In an embodiment of the present invention, the method for manufacturing a liquid crystal display panel further includes applying a potential energy to a plurality of liquid crystal molecules in the liquid crystal layer before the liquid crystal stabilizing monomer material is irradiated with light, so that the liquid crystal molecules have a Pretilt angle. Further, after forming the liquid crystal stabilizing polymer layer, the potential energy is removed. In an embodiment of the invention, the method for fabricating the liquid crystal display panel further comprises providing a polymerization initiator prior to the irradiation of the light to reduce the reaction activation energy of the liquid crystal-stabilized polymer layer formed by the liquid crystal-stabilizing monomer material. In an embodiment of the present invention, the above-mentioned B1, B2, and B3 may include the following materials of the formulae (2) to (5), respectively. 8 (2)

20094665 5yZ1TW (2) 26702twf.doc/n

(3) (4) (5) In one embodiment of the present invention, the hydrogen at any position above the aromatic group of B2 may be substituted with a halogen group, an alkyl group, an alkoxy group, an aromatic group, or a cholesterol. At least one of a composition or a liquid crystal composition. ^ZITW 26702twf.doc/n In one embodiment, the cholesteric composition comprises the material of the following formula (6) and the liquid crystal composition comprises the material of the following formula (7).

In the embodiment of the present invention, the above M1 represents a sub-alkyl group having a carbon number of 丨~^ or a single-bond H example towel, and M2 is a sub-alkyl group having a carbon number of 3 to 20, in a preferred embodiment. In the example, M2 represents an alkylene group having 3 to u carbon atoms. In an embodiment of the invention, the light is, for example, ultraviolet or visible. Further, the liquid crystal display panel includes a first-substrate and a first substrate, a liquid crystal layer, and a liquid crystal-stabilized polymer layer. The liquid crystal layer is disposed between the first substrate and the second substrate. a liquid crystal stabilizing polymer layer 200946655 ^1TW 26702 twf.doc / n between the first substrate and at least one of the first substrate and the liquid crystal layer, wherein the molecular structure of the liquid crystal stabilizing polymer layer is the following formula G) The bridging polymer formed by the liquid crystal stabilizing monomer material: A1 B1 M1 C1 B2 C2-B3-M2-A2 (1) wherein AbA2 independently represents a group having a vinylidyloxy group and an acid group a group having a methacryl group or a group having an epoxy group, B b B2 and B 3 each represent an aromatic group, and CM and C 2 respectively represent a functional group, and U and C 2 respectively represent -c〇 〇---〇c〇- or -ο- 'mi is not a sub-alkyl group or a single bond of the atomic number, and M2 represents an alkylene group. In the embodiment of the present invention, the liquid crystal layer has a plurality of liquid crystal molecules and a liquid crystal stabilizing monomer material, and the molecular formula (1) of the liquid crystal stabilizing monomer material is as follows: ❹ Al — B1 Ml C1^_B2_C2 —B3——^——A2 (1) wherein 'Al, A2 independently represent a group having a vinyl group, a vinyloxy group, a propyl acetophenate group, a group having a methacryl group or a group having an epoxy resin. 'Bl, B2, and B3 respectively represent an aromatic group, c and C2 respectively represent a linking functional group' and Cl and C2 each independently represent a COO-, an OCO- or -0-' M1 represents a carbon number of 1 to 11. The alkylene group is a single bond, and M2 represents an alkylene group. 11 200946655 , 1TW 26702twf.doc / n In an embodiment of the present invention, B B B2, B3 in the molecular formula of the liquid crystal stabilizing polymer layer or B B B2, B3 in the molecular formula of the above monomer material can be selected separately From the following formula (2) to the formula (5).

(2)

(3)

(4)

(5) In one embodiment of the present invention, the above-mentioned liquid crystal stabilizing polymer layer has a B2 or a monomer material 12 ^Z1TW 26702twf.doc/n in the formula B2. The ammonia at the position is also substituted with at least one of a dentate group, an alkyl group, an alkoxy group, an aromatic group, a cholesterol-based composition, or a liquid crystal-like composition. In an embodiment of the invention, the above cholesterol composition comprises a material of the formula (6). In one embodiment, the liquid crystal-like composition comprises a material of the formula (7).

13 200946655 -Z1TW 26702twf.doc/n 200946655 -Z1TW 26702twf.doc/n

(7) In one embodiment of the present invention, M2 in the molecular formula of the liquid crystal-stable polymer layer or M2 in the molecular formula of the monomer material represents an alkylene group having 3 to 2 carbon atoms, respectively. In one embodiment, M2 in the molecular formula of the liquid crystal-stable polymer layer or M2 in the molecular formula of the monomer material represents a carbon number of 3 to [alkylene], respectively. In one embodiment of the present invention, the ratio of the content of the residual liquid crystal stabilizing monomer material to the content of the liquid crystal molecules is less than 5% by weight. In one embodiment, the ratio of the content of the residual liquid crystal stabilizing monomer material to the content of the liquid crystal molecules is less than 0.3% by weight. Based on the above, the liquid crystal stabilizing monomer material of the present invention has both a hard group and a soft group for the liquid crystal molecules, so that the portion of the hard group after the polymerization can form a three-dimensional structure with better strength, which contributes to In order to improve the structural strength of the liquid crystal-stable polymer layer, on the other hand, in the liquid crystal-stabilized polymer layer after polymerization, the soft group portion allows the liquid crystal layer to have a moderate space for rotation, and the liquid crystal display panel can be improved. The performance at the time of the guilt test 'effectively reduces the phenomenon of image retention in the conventional technology. The above and other objects, features, and advantages of the present invention will be apparent from the description and appended claims ‘Embodiment】 14 200946655^Z1TW 26702twf.doc/n FIGS. 2A to 2C are schematic views showing the fabrication of a liquid crystal-stable polymer layer in a liquid crystal display panel of the present invention. First, as shown in FIG. 2A, a first substrate 210 and a second substrate 220 are provided, wherein the first substrate 210 and the second substrate 220 are respectively a thin film transistor array substrate and a color filter substrate ', respectively, and the first substrate 210 is, for example, The pixel electrode layer 212 and the alignment layer 214' are formed, and the common electrode layer 222 and the alignment layer 224 are formed on the second substrate 220, for example. Next, as shown in FIG. 2B, the assembly process of the liquid crystal display panel 200 is performed and a liquid crystal layer 230 is formed between the first substrate 210 and the second substrate 220, wherein the liquid crystal layer 230 has a plurality of bits at the boundary of the liquid crystal layer. The liquid crystal molecules 232 and the plurality of liquid crystal stabilizing monomer materials 240. Further, in the present embodiment, the alignment layer 214 and the alignment layer 224 are provided between the liquid crystal layer 230 and the halogen electrode layer 212 and between the liquid crystal layer 230 and the common electrode layer 222, respectively. Wherein, the molecular formula (1) of the liquid crystal stabilizing monomer material 240 is as follows:

Al - Bl - Ml - Cl - B2 - C2 - B3 - M2 - A2 (1) Thereafter, as shown in Fig. 2C, the liquid crystal stabilizing monomer material 240 is irradiated with a light L, so that The liquid crystal stabilizing monomer material 240 is polymerized. In practice, the light L may be irradiated with a single light L. Of course, the light L may also be irradiated in multiple stages, and the polymerization process requirement of the liquid crystal stabilizing monomer material 240 is required. The invention is not limited to this. After the illuminating light L, a liquid crystal stabilizing polymer layer 250 is formed between the first substrate 210 and the liquid crystal layer 230 and the second substrate 220 and the liquid crystal layer 230, as shown in FIG. 2C, to complete 15 26702 twf.doc/n

20094665 5^Z1TW • Production of liquid crystal display panel 200. In the present embodiment, the liquid crystal stabilizing polymer layer 250 is formed on the first substrate 21 and the second substrate 22, respectively. Further, the above light is, for example, ultraviolet light or visible light. It is worth mentioning that, in practice, it is generally desirable that the liquid crystal molecules 232 located at the boundary of the liquid crystal layer in the liquid crystal layer 230 have a stable pretilt angle 'to improve the reaction rate of the liquid crystal display panel when displaying images, and thus the steps in the foregoing FIG. 2B. Then, the step of 'applying a potential energy to the liquid crystal molecules 232 at the boundary of the liquid crystal layer in the liquid crystal layer 230 by a voltage source V is first performed as shown in FIG. 3A, so that the liquid crystal molecules 232 located at the boundary of the liquid crystal layer are poured. Angle Θ ° Next, light L is further supplied to polymerize the liquid crystal stabilizing monomer material 240, and the potential energy is removed after the forming step of the liquid crystal stabilizing polymer layer 250 as shown in Fig. 2C. After the above steps, due to the action of the liquid crystal stabilizing polymer layer 250, the liquid crystal molecules 232 at the boundary of the liquid crystal layer in the liquid crystal layer 230 can be maintained at the angle of the tilting to form a pretilt angle of 0, in this embodiment The tilt angle of the liquid crystal molecules 232 located at the boundary of the liquid crystal layer can be adjusted to a predetermined angular extent by modulating the value of the voltage source V. In addition, in some embodiments of the present invention, the polymerization initiator 26 is provided before the step of irradiating light of FIG. 2C, as shown in FIG. 3B, to reduce the liquid crystal-stabilizing monomer material. The reaction activation energy for forming the liquid crystal-stable polymer layer 250, in other words, the polymerization initiator 26 〇 can make the polymerization of the liquid crystal-stable monomer material 240 proceed more smoothly and further increase the conversion rate of the polymerization reaction. Wherein, A A2 of the above formula (1) independently represents a liquid crystal stabilization list 16 200946655 . 1TW 26702twf.doc/n 200946655 . 1TW 26702twf.doc/n

The terminal group of the bulk material 240, or a reactive group, such as a group having a vinyl group, a vinyloxy group, an acrylic group, a methacryl group, or an epoxy group, respectively. The group consists of. Further, Bl, B2, and B3 each represent an aromatic group, and are exemplified below. Further, 'Cl and C2 each represent a linking functional group, and ci and C2 are each independently selected from any one of COO-, one OCO- or -. Further, M1 of the above formula (1) represents an alkylene group having a carbon number of 丨 to 丨丨 or a single bond, and M2 represents an alkyl group. For example, M2 is, for example, an alkylene group composed of 3 to 2 carbon atoms. In a preferred embodiment, M2 is, for example, an alkylene group having 3 to 11 carbon atoms.

In terms of structural strength, the different functional groups in the liquid crystal stabilizing monomer material 240 are adapted to provide different strength structures. In the case of β 2 Β 2: B 3 representing an aromatic group and M 2 representing an alkylene group, the aromatic group is a group having a higher structural strength, which can enhance the alignment of the liquid crystal-stable polymer layer after polymerization at the boundary of the liquid crystal layer The alignment effect of the liquid crystal molecules 232 at the place. In contrast, the sub-alkylene group M2 belongs to a group having a lower structural strength in the liquid crystal-stabilizing monomer material 24 ,, which contributes to alleviating the problem that the structural strength formed by the aromatic is too high, and provides a position at the boundary of the liquid crystal layer. The liquid crystal molecules 232 at the place have a moderate active space in the liquid crystal stabilizing polymer layer 250. In more detail, B2 and B3 of the above formula (1) may each be composed of, for example, the following formula (7) to formula (5).

(2) 17 (3) 200946655 1TW 26702twf.doc/n

(4)

(5) Further, hydrogen at any position above the aromatic group of B2 in the above formula (1) may be substituted with a halogen group, an alkyl group, an alkoxy group, an aromatic group, or 18 200946655.Z1TW 26702twf.doc/ n is, for example, a cholesterol-based composition composed of the following formula (6), or a liquid crystal-like composition composed of, for example, the following formula (7), or a combination thereof. 200946655.Z1TW 26702twf.doc/n

(CH2)3-〇

When the liquid crystal-stabilizing monomer material 240 after replacing the hydrogen at any position above the B2 aromatic group with the above group, the above-mentioned group for replacing the hydrogen at any position above the B2 aromatic group can be used as the B2 fragrance. The side chain of the group base makes the B2 aromatic group form a stereo structure, and the affinity between the side chain and the liquid crystal molecule 232 located at the boundary of the liquid crystal layer can assist the liquid crystal molecules to align in a specific direction and enhance the liquid crystal molecules. Stable and silk. For example, when a bile solid composition or a liquid crystal composition is substituted for hydrogen at any position above the B2 aromatic group, the liquid crystal stable monomer material 24G has a cholesterol composition or a liquid crystal group 200946655 to 1TW 26702twf. .doc/n 200946655~1TW 26702twf.doc/n

The side chain structure of the product, the side bond structure can assist in aligning the liquid crystal molecules 232 located at the boundary of the liquid crystal layer 230 in a specific direction during the polymerization reaction. For example, the liquid crystal stabilizing monomer material 240 can be, for example, ' (1) , (II) or (III):

(III) wherein R2 represents the above-mentioned halogen group, alkyl group, alkoxy group, aromatic group, cholesterol-based composition, or liquid-like composition. Further, in the liquid crystal display panel 200 of the present invention, the liquid crystal layer 230 after the polymerization has a residual liquid crystal stabilizing monomer material 270 dispersed in the liquid crystal layer 230, as shown in FIG. 3C, and the residual liquid crystal stabilizing monomer material 270 has a general molecular formula of the formula (1). A1--B1——Ml-Cl-B2-C2-B3-M2-A2 (1) It is worth mentioning that the ratio of the content of the residual liquid crystal stabilizing monomer material 270 to the content of the liquid crystal layer 230 is less than 5% by weight. Percentage, in the present embodiment 'polymerization using the liquid crystal-stabilizing monomer material 240 described above, 20 20702twf.doc/n

20094665 5. Z1TW should have a high conversion ratio, and the ratio of the content of the liquid crystal stabilizing monomer material 240 to the content of the liquid crystal layer 230 is less than 0.3% by weight. - It is worth mentioning that the liquid crystal-stabilizing monomer material 240 provided by the present invention provides both an aromatic group having a higher structural strength and an alkylene group having a lower structural strength in the main chain structure, and the liquid crystal of the present invention is stable. The monomer material 240 is different from the prior art. In the formula (1), the group attached to the both ends of Al and A2 belongs to an asymmetric structure, for example, the first part and the second part in the formula (III). The first part and the second part can make the liquid crystal stabilizing polymer layer 250 after the polymerization of the liquid crystal molecules 232 at the boundary of the liquid crystal layer have a moderate binding force. Compared with the prior art, the liquid crystal is stabilized. The structural strength of the polymer layer 250 is to enhance the alignment effect of the liquid crystal molecules 232 located at the boundary of the liquid crystal layer. The present invention simultaneously sets a moderate swing space required for the liquid crystal molecules 232 located at the boundary of the liquid crystal layer in actual operation. And taking into consideration the second part of (III) provides a more elastic structure of the group ' can moderately relax the liquid crystal stable polymer aligns the liquid crystal at the boundary of the liquid crystal layer within a certain range Sub-232 bound to help ❿ liquid crystal display panel 200 in the reliability performance of the image sticking. Hereinafter, taking the above formula (I), formula (II), and formula (III) of the present invention as an example, some measured data are provided to help explain the performance of the liquid crystal display panel 200 of the present invention in the reliability test of image sticking. Table 1 Liquid crystal display panel Conventional formula (I) Type (Π) Type (III) Burning time (hours) 48 120 120 120 21 200946655„Z1TW 26702twf.doc/n

In detail, Table 1 lists the measured data of the image burn-in rate of several liquid crystal display panels in this embodiment. Referring to Table 1, comparing the conventional techniques, the liquid crystal display panel 2 in the present red example and the conventional image retention reliability test conditions are similarly used, and in this embodiment, the burn-in time and the measured temperature are used. As well as the test conditions for applying the voltage, even the more stringent standards are applied to the liquid crystal display panel 2 to be tested. For example, the burn-in time and the measured temperature of the conventional liquid crystal display panel are 48 hours and room temperature, respectively, and the burn-in time and the measured temperature of the liquid crystal display panel 2 of the present embodiment are 120 hours and 5 〇 ° C, and the voltage applied by the conventional liquid crystal display panel is 1 volt, in this embodiment, the liquid crystal display

The voltage applied to the panel 200 is 12 volts. As can be seen from Table 1, the liquid crystal display panel 200 of the present embodiment is different from the conventional one, even though the more severe test conditions are used. The reliability of image residue is still better than conventional. Furthermore, the illumination energy of the liquid crystal stabilizing monomer material 240 of the present embodiment substantially uses ultraviolet light having an energy of 焦69 joules/cm 2 , in other words, the present invention can obtain higher energy by using lower energy than conventionally. The effect of conversion rate. Liquid crystal stabilization formed by the above-mentioned liquid crystal stabilizing monomer material 24 22 22 20094665 5^1TW 26702twf.doc/n 20094665 5^1TW 26702twf.doc/n

The polymer layer 250 can stabilize the liquid crystal molecules 232' located at the boundary of the liquid crystal layer 230 and accelerate the reaction speed of the entire liquid crystal layer 230. In addition, for a wide viewing angle requirement, the liquid crystal stabilizing polymer layer 250 can also provide the liquid crystal molecules 232 at the boundary of the liquid crystal layer - pretilt angle to improve the stability of the alignment of the liquid crystal molecules 232 located at the boundary of the liquid crystal layer. In such an application, the present invention is different from the prior art, and it is not necessary to provide a protrusion or a slit pattern on the substrate to enable the liquid crystal molecules to have a multi-directional alignment effect. Therefore, the liquid crystal display panel of the present invention can make a wide viewing angle. The brightness of the liquid crystal display panel increases. Of course, the liquid crystal stabilizing polymer layer 250 formed by the present invention can be applied to other designed liquid crystal display panels in addition to maintaining a pretilt angle of the liquid crystal molecules 232 located at the boundary of the liquid crystal layer in response to the demand of a wide viewing angle. In the above, the invention does not limit the application range of the liquid crystal display panel. In summary, the liquid crystal stabilizing monomer material of the present invention has at least the following advantages: ^ The liquid crystal stabilizing monomer material of the present invention forms a matrix group having a high structural strength and high degree after polymerization to help improve the overall liquid crystal stabilizing wire. The structural strength of the composite layer 'strengthens the alignment effect of the liquid crystal ruthenium polymer layer on the liquid crystal molecules. On the other hand, after the polymerization of the liquid crystal stabilizing monomer of the present invention, the line base of the structure η can make the liquid crystal molecules moderately m2 in the range of the liquid crystal display panel in the reliability measurement of the image residue. Poor performance. The present invention has been disclosed in the above embodiments, and the corrections are not intended to limit the ordinary knowledge in the field of the present invention, without departing from the spirit and scope of the present month, when some changes can be made with 23 200946655 „Z1TW 26702twf .doc/n _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ A schematic diagram of a liquid-stable polymer layer in a liquid crystal display panel. Figure 3A shows a schematic diagram of the present invention applying a potential energy to liquid crystal molecules to maintain a pretilt angle of liquid crystal molecules.

Fig. 3B is a schematic cross-sectional view showing a liquid crystal display panel of the present invention before the polymerization reaction. Fig. 3C is a cross-sectional view showing a liquid crystal display panel of an embodiment of the present invention. [Main component symbol description] 100, 200: Liquid crystal display panel 11〇: Color filter substrate 120: Thin film transistor array substrate 130: Projection

150: liquid crystal layer 112, 222: common electrode layer 122, 212: pixel electrode layer 210: first substrate 214, 224: alignment layer 220: second substrate 230: liquid crystal layer 232. liquid crystal molecules located at the boundary of the liquid crystal layer 24 200946655 _Z1TW 26702twf.doc/n 240 : Liquid crystal stabilizing monomer material 250 : Liquid crystal stabilizing polymer layer 260 : Polymerization initiator 270 : Residual liquid crystal stabilizing monomer material L : Light V : Voltage source Θ : Angle 200946655 _Z1TW 26702twf .doc/n

25

Claims (1)

200946655^1TW 26702twf.doc/n X. Application for patents: Including: 1. A method for fabricating a liquid crystal display panel provides a first substrate; knowing 1 for a first substrate, the second substrate ΐ: crystal: on the first substrate and the; two base: ίΓ and: medium =: fixed ===, Α1-Βί——-Ml--Cl B2-C2 -M2 A2(1) W wherein H and A2 each independently represent a group having a vinyl group, a group having a olefin group, an group having an acryl group, a group having a methyl propyl group or a group having an epoxy group. Bl, B2, B3 respectively represent an aromatic group; 〇 and C2 respectively represent a linking functional group, and C1 and C2 respectively represent a COO-, a 〇c〇~ or; Ml represents an alkylene group having a carbon number of i~u or a single bond; M2 represents a sub-alkyl group; and irradiating a light to the liquid crystal-stabilizing monomer material to form a light between the first substrate and the second substrate The liquid crystal stabilizes the polymer layer. 2. The method of manufacturing a liquid crystal display panel according to claim 1, further comprising: applying a potential energy to the plurality of liquid crystal molecules in the liquid crystal layer before the liquid crystal stabilizing monomer material is irradiated with the light. . 26 200946655 ^ZITW 26702twf.doc/n 3. The method of manufacturing a liquid crystal display panel as described in claim 1 further includes providing a polymerization initiator before irradiating the light. 4. The manufacture of a liquid crystal display panel as described in claim 1, wherein B1, B2, and B3 are each selected from the following materials comprising the formula (7) to the formula (5). (2) (4) 27 200946655 .J1TW 26702twf.doc/n (5) 5. The method for producing a liquid crystal display panel according to claim 1, wherein the hydrogen at any position above the aromatic group of B2 may be substituted with a halogen group, an alkyl group, an alkoxy group, an aromatic group, or a cholesterol. At least one of a composition or a liquid crystal composition. 6. The method of producing a liquid crystal display panel according to claim 5, wherein the cholesterol-based composition comprises the material of the following formula (6). The manufacturing method of the liquid crystal display panel of the invention of claim 5 wherein the liquid crystal composition comprises the material of the following formula (7). 8. The method of producing a liquid crystal display panel according to claim 1, wherein M2 represents an alkylene group having 3 to 20 carbon atoms. 9. The method of producing a liquid crystal display panel according to claim 1, wherein M2 represents an alkylene group having 3 to 11 carbon atoms. 10. The method of manufacturing a liquid crystal display panel according to claim 1, wherein the light includes ultraviolet light or visible light. A liquid crystal display panel comprising: a first substrate; a second substrate opposite to the first substrate; and a plurality of liquid crystals and a liquid crystal stabilizing polymer layer disposed on the first substrate and the second substrate The molecular structure of the liquid crystal-stabilized polymer layer is a bridging polymer formed by the liquid crystal-stabilizing monomer material of the following formula (1): A1-Bl - Ml - Cl - B2 - C2 - B3 - —M 2 —A 2 ( 1 ) wherein A 1 and A 2 each independently represent a group having a vinyl group, a group having a vinyl group, a group having an acryl group, a group having a mercaptoacryl group, or a group having an epoxy group. Bl, B2, and B3 respectively represent an aromatic group; C and C2 respectively represent a linking functional group, and Cl and C2 independently represent _COO-, an OCO- or a 0-; 29 200946655"TW 267〇2twf.dcK /n M1 represents a sub-wire or a single bond having 1 to ii carbon atoms; and M2 represents a sub-alkyl group. 12. The liquid crystal display panel according to claim 5, wherein the liquid crystal layer has a plurality of liquid crystal molecules and a liquid crystal stabilizing monomer material, and the molecules of the liquid crystal stabilizing monomer material are as follows: A1 B1 Ml- Cl-B2-C2 B3——M2——A2 (1) Wherein 'A1, A2 each independently represent a group having an epoxy group, a group of a vinyl group, a group of an ethylene group, a group of a (4) acid group or a group having a methacryl group; B1, B2, B3 Respectively represent an aromatic group (A_tic); C1 and C2 respectively represent a linking group, and C and C2 are each independently, meaning -c〇〇---〇c〇-^-〇-; Ml represents a carbon atom a sub-alkyl group or a single bond (g(four)^ bond); M2 represents an alkylene group. The liquid crystal display according to the U or the 12th item of the patent application = B1, B2, B3 in the molecular formula of the liquid crystal stabilizing polymer layer or B1, B in the molecular formula of the early body material, the following formula (2) to the formula (5) )one. J knife is J 30 (3) 200946655 J1TW 26702tw£doc/n (3) 200946655 J1TW 26702tw£doc/n The surface of the liquid crystal display liquid crystal stabilizing polymer layer described in Item 12 of the U-th surface or the B2 in the monomer=knife type, respectively, is substituted at any position above the aromatic group to be substituted into a burnt group. At least one of a oxy group, an aromatic group, a dentate group, a cholesterol-based composition, or a liquid crystal-like composition. The liquid crystal display panel according to claim 2, wherein the cholesterol-based composition comprises the material of the following formula (6). 31 200946655^1TW 26702twf.doc/n The liquid crystal display panel according to claim 14, wherein the liquid crystal composition comprises the material of the following formula (7). , 17. The liquid crystal display panel according to claim 11 or 12, wherein M2 in the molecular formula of the liquid crystal stabilizing polymer layer or M2 in the molecular formula of the monomer material respectively represents a subunit having 3 to 20 carbon atoms. alkyl. 18. The liquid crystal display panel according to claim 11, wherein M2 in the molecular formula of the liquid crystal stabilizing polymer layer or M2 in the molecular formula of the monomer material respectively represents a carbon atom number of 3 to 11. Sub-burning base. 19. The liquid crystal display panel of claim 1, wherein the ratio of the content of the residual liquid crystal stabilizing monomer material to the content of the liquid crystal molecules is less than 5% by weight. 20. The content of the residual liquid crystal stabilizing monomer material in the liquid crystal display panel according to the first aspect of the patent application is related to the liquid crystals! The ratio of containing ^ is less than 0.3% by weight. 32