TWI356252B - Liquid crystal display screen - Google Patents

Description

1 356 252 [ [ [ [ [ [ [ [ [ [ [ [ [ [ [ [ [ [ [ [ [ [ [ [ [ [ [ [ [ [ [ [ [ [ [ [ [ [ [ [ [ [ [ [ [ [ [ [ [ [ [ [ [ [ [ [ [ [ [ LCD screen. [Prior Art] The liquid crystal alignment technology is one of the key technologies that determine the pros and cons of the liquid crystal display, because the quality of the liquid crystal alignment technology directly affects the quality of the final liquid crystal display. The liquid crystal display screen of the south quality requires a stable and uniform initial arrangement of the liquid crystal, and the thin layer which induces the alignment of the liquid crystal is called a liquid crystal alignment layer. Prior art known alignment layer materials for liquid crystal display panels are polystyrene and its derivatives, polyimine, polyvinyl alcohol, polyester, epoxy resin, polyurethane, polydecane, etc., the most common is polyfluorene. Imine. These materials are subjected to a film rubbing method, an oblique vapor deposition SiOx film method, and a microchannel treatment method for the film (see "Atomic-beam alignment of inorganic materials for liquid-crystal displays", P. Chaudhari, et al., Nature, After processing by vol 411, p56 (200 1 )) or the like, a plurality of trenches can be formed which can align the liquid crystal molecules. Referring to the liquid crystal display 100 shown in FIG. 1, a first substrate 104, a second substrate 112, and a liquid crystal layer 118 sandwiched between the first substrate 104 and the second substrate 112 are included. The first substrate 104 is disposed opposite to the second substrate 11 2 . The liquid crystal layer 118 includes a plurality of long rod-shaped liquid crystal molecules 1182. The first substrate 104 is disposed adjacent to the surface of the liquid crystal layer 118 in sequence with a first transparent electrode layer 106 and form number A0101. Page 4 / Total 24 pages 1003435011-0 [0005] 13562, 52 · 100 years. November 23 The first alignment layer 108 is disposed, and a first polarizer 102 is disposed on a surface of the first substrate 104 remote from the liquid crystal layer 118. A second transparent electrode layer 114 and a second alignment layer 116' are disposed on the surface of the second substrate n near the surface of the liquid crystal layer 118, and a second polarizer 110 is disposed on a surface of the second substrate 112 away from the liquid crystal layer us. [00〇6] The first alignment layer 108 is formed with a plurality of phases near the surface of the liquid crystal layer 118. • [0007] The first trenches 1082 are parallel to each other. The second alignment layer 116 is formed adjacent to the surface of the liquid crystal layer 118 with a plurality of second trenches H62 that are parallel to each other. The first trenches 1082 and the second trenches 1162 are arranged perpendicular to each other so as to be opposite to the liquid crystal layer. The liquid crystal molecules 1182 in 118 are oriented even if the liquid crystal molecules 1182 near the first trenches 1 082 and the second trenches 1162 are aligned in the direction of the first trenches 1 082 and the second trenches 1162, respectively. Thereby, the arrangement of the liquid crystal molecules 1182 is automatically rotated by 9 degrees from top to bottom. The first polarizer 1〇2 and the second polarizer 11. The light can be polarized, and the first transparent electrode layer 1〇6 and the second transparent electrode layer 114 can conduct electricity in the liquid crystal display 100. The role. However, the presence of the above plurality of laminations and their interfaces will increase the thickness, complexity, and manufacturing cost of the liquid crystal display, reduce the transmittance of light provided by the backlight, and affect the display quality. [0008] In addition, in order to enable the above liquid crystal display panel 1 to have a multi-pixel display function, the second transparent electrode layer 114 is generally disposed as a common electrode layer, and the first transparent 097110180 electrode layer 106 is disposed to have row electrodes and columns. Electrode electrode Zhan. The row electrode and the column electrode are vertically distributed on the first transparent electrode layer 1〇6 such that the first transparent electrode layer 106 has a plurality of unit regions, that is, the first transparent electrode layer 106 has a plurality of pixel electrodes. Control the form number by row and column electrodes A〇m Page 5 / Total 24f 1003435011-0 1356252 November 23, 1 1 positive _ page and change the voltage on any one of the pixel electrodes, thus changing the pixel electrode An optically active state of liquid crystal molecules between the common electrode layers. The liquid crystal molecules act like a small light valve, and each pixel electrode is a pixel point. However, the arrangement of the row electrodes and the column electrodes described above makes the structure of the liquid crystal display panel 100 relatively complicated. In view of the above, it is necessary to provide a liquid crystal display having a simple structure, a better alignment quality, and a multi-pixel display. [Summary of the Invention]

[0010] A liquid crystal display panel comprising a first substrate; a second substrate, wherein the first substrate is disposed opposite to the second substrate; a liquid crystal layer is disposed

Between the first substrate and the second substrate; a first alignment layer disposed on a surface of the first substrate adjacent to the liquid crystal layer, and the first alignment layer is adjacent to a surface of the liquid crystal layer a plurality of parallel first trenches; and a second alignment layer disposed on a surface of the second substrate adjacent to the liquid crystal layer, and the second alignment layer comprises a plurality of parallel surfaces adjacent to the liquid crystal layer a second trench, wherein the second trench is arranged in a direction perpendicular to the first trench alignment direction of the first alignment layer. Wherein, the first alignment layer and the second alignment layer respectively comprise a plurality of carbon nanotube strip structures arranged in parallel and spaced apart. [0011] Compared with the prior art, the liquid crystal display panel described in the embodiments of the present technical solution has the following advantages: First, since the carbon nanotube ribbon structure has a plurality of parallel gaps, the plurality of gaps can be used as The trench is used to align the liquid crystal molecules, so that the carbon nanotube ribbon structure can be used as an alignment layer. Second, since the carbon nanotube ribbon structure comprises a plurality of carbon nanotubes, the carbon nanotube ribbon structure has good electrical conductivity, 097110180 Form No. A0101 Page 6 / Total 24 Page 1003435011 -0 1356252 100 years old, 11th, 23rd revised replacement page

Therefore, the carbon nanotube ribbon structure can replace the transparent electrode layer in the prior art to conduct electricity. Therefore, when the liquid crystal display panel of the embodiment adopts an alignment layer containing a carbon nanotube ribbon structure, it is not necessary to additionally add a transparent electrode layer, thereby making the liquid crystal display panel have a thin thickness, simplifying the structure and manufacture of the liquid crystal display panel. Cost, improve backlight utilization, and improve display quality. Third, the first alignment layer and the second alignment layer in the liquid crystal display respectively comprise a plurality of spaced carbon nanotube strip structures, and the carbon nanotube strip structures in the two alignment layers are perpendicular to each other, so The carbon nanotube ribbon structure functions as a row electrode and a column electrode, thereby enabling display of a plurality of pixels of the liquid crystal display. [Embodiment] [0012] The present technical solution will be further described in detail below with reference to the accompanying drawings. [0013] Please refer to FIG. 2, FIG. 3 and FIG. 4, which is a liquid crystal display 300 provided by an embodiment of the present invention, which includes a first substrate 302; a second substrate 322, the first substrate 302 and The second substrate 322 is disposed opposite to each other; a liquid crystal layer 338 is disposed between the first substrate 302 and the second substrate 322; a first alignment layer 304, the first alignment layer 304 is disposed on the first a surface of the substrate 302 adjacent to the liquid crystal layer 338, and the surface of the first alignment layer 302 adjacent to the liquid crystal layer 338 includes a plurality of parallel first trenches 308; and a second alignment layer 324 disposed on the second alignment layer 324 The surface of the second substrate 322 is adjacent to the surface of the liquid crystal layer 338, and the surface of the second alignment layer 324 adjacent to the liquid crystal layer 338 includes a plurality of parallel second trenches 328, and the second trench 328 of the second alignment layer 324 The arrangement direction is perpendicular to the direction in which the first trenches 308 of the first alignment layer g〇4 are arranged. [0014] The material of the first base 302 and the second base 322 is rigid or flexible 097110180 Form No. A0101 Page 7 / Total 24 Page 1003435011-0 1356252 100 years. November 23 ^ Positive _ page transparent material, Such as glass, quartz, diamond or plastic. In this embodiment, the material of the first substrate 302 and the second substrate 322 is a flexible material such as Cellulose Triacetate (CTA). Preferably, the materials of the first substrate 302 and the second substrate 322 are both formed of a CTA material. It can be understood that the materials of the first substrate 302 and the second substrate 322 may be the same or different. [0015] The liquid crystal layer 338 includes a plurality of long rod-shaped liquid crystal molecules. The liquid crystal layer 338 is formed of a liquid crystal material commonly used in the prior art. [0016] The first alignment layer 304 and the second alignment layer 324 respectively include a plurality of carbon nanotube strip structures arranged in parallel and spaced apart. The arrangement direction of the carbon nanotube strip structures of the first alignment layer 304 is perpendicular to the arrangement direction of the carbon nanotube strip structures in the second alignment layer. The carbon nanotube ribbon structure comprises at least one layer of carbon nanotube film, each of the carbon nanotube film comprises a plurality of carbon nanotubes arranged in a preferred orientation in the same direction, and the plurality of carbon nanotubes Arranged along the length of the carbon nanotube ribbon structure. [0017] In addition, the carbon nanotube ribbon structure may also be an overlapping of at least two layers of carbon nanotube film, each of the carbon nanotube film comprising a plurality of carbon nanotubes arranged in a preferred orientation in the same direction. And the carbon nanotubes in the adjacent two layers of carbon nanotube film are arranged along the length direction of the carbon nanotube band structure. Specifically, the carbon nanotube film further comprises a plurality of carbon nanotube bundle segments connected end to end by a van der Waals force, each of the carbon nanotube bundle segments having equal lengths and composed of a plurality of parallel carbon nanotube bundles . The adjacent carbon nanotube bundles are tightly coupled by a van der Waals force, and the carbon nanotube bundle comprises a plurality of carbon nanotubes of equal length and arranged in parallel, and the adjacent carbon nanotubes pass between Van der Valli is closely integrated. 097110180 Form No. A0101 Page 8 of 24 1003435011-0 1356252. [0018] 100 years. November 23rd nuclear replacement page Further, the carbon nanotube ribbon structure may also be a plurality of nanometers The long lines of carbon tubes are closely arranged in parallel to form a thin film layer. The long carbon nanotube line comprises a bundle structure consisting of a parallel arrangement of carbon nanotube bundles connected end to end by Van der Waals force or a strand structure consisting of a plurality of carbon nanotube bundles connected end to end. Each nanotube bundle includes a plurality of carbon nanotubes of equal length and arranged in parallel. [0019] The carbon nanotube band structure comprises a plurality of aligned carbon nanotubes, the carbon nanotubes being single-walled carbon nanotubes, double-walled carbon nanotubes and multi-walled carbon nanotubes One or more. The diameter of the single-walled carbon nanotube is 0.5 nm to 10 nm, the diameter of the double-walled carbon nanotube is 1.0 nm to 15 nm, and the diameter of the multi-walled carbon nanotube is 1.5 nm. ~ 50 nm. [0020] The width and thickness of the carbon nanotube ribbon structure are not limited, preferably, the carbon nanotube ribbon structure has a width of 0.1 mm to 10 mm and a thickness of 20 nm to 1 μm. The spacing between the carbon nanotube ribbon structures is between 50 microns and 150 microns. It can be understood that there are parallel and even distributions between the plurality of carbon nanotube bundles, the plurality of carbon nanotubes, or/and the lengths of the plurality of carbon nanotubes in the carbon nanotube ribbon structure. Clearance. The gap can be used as the first trench 308 and the second trench 328 to align liquid crystal molecules. The first alignment layer 304 and the second alignment layer 324 have thicknesses ranging from 20 nm to 5 μm, respectively. [0021] The surface of the carbon nanotube layer structure of the first alignment layer 304 or the second alignment layer 324 near the liquid crystal layer 338 further includes a fixed layer. When the material of the fixed layer is diamond-like hydride, tantalum nitride, amorphous yttrium hydride, tantalum carbide, cerium oxide, aluminum oxide, cerium oxide, tin oxide, zinc titanate or indium titanate, Evaporation, sputtering or plasma enhancement can be used 097110180 Form No. A0101 Page 9 / Total 24 Page 1003435011-0 1356252 100 years. November 23 & A method of chemical vapor deposition (PECVD) growth is attached to The surfaces of the first alignment layer 304 and the second alignment layer 324. When the material of the fixing layer is polyvinyl alcohol, polyimine, polymethyl methacrylate or polycarbonate, it can be attached to the fence by the leisure method. The thickness of the fixed layer is 20 nm to 2 μm. [0022] In this embodiment, the first alignment layer 304 includes a plurality of parallel and spaced first carbon nanotube strip structures. 304a and first fixed layer 304b, the second alignment layer 324 includes a plurality of parallel and spaced second carbon nanotube strip structures 324a and second fixed layer 324b, namely a first alignment layer 304 and a second alignment layer The layers 324 are both of a carbon nanotube ribbon structure and a fixed layer structure. [0023] Since the surfaces of the carbon nanotube ribbon structures of the first alignment layer 304 and the second alignment layer 324 have a plurality of parallel and evenly distributed a gap, so that the first fixed layer 304b and the second fixed layer 324b cover when the first carbon nanotube ribbon structure 304a and the second carbon nanotube ribbon structure 324a are close to the surface of the liquid crystal layer 338, The surfaces of the first pinned layer 304b and the second pinned layer 324b form a plurality of parallel grooves. The first trench 308 and the second trench 328 of the alignment layer 304 and the second alignment layer 324, the first trench 308 and the second trench 328 may be liquid crystal in the liquid crystal layer 338 The molecules are aligned. When the first substrate 302 and the second substrate 322 are both formed of a flexible transparent material, since the carbon nanotube ribbon structure 1 as an alignment layer has better toughness, the liquid crystal display panel 300 can be bent. .

[0024] In this embodiment, the carbon nanotubes in the first carbon nanotube ribbon structure 304a are parallel and oriented along the X-axis direction; the carbon nanotubes in the second carbon nanotube ribbon structure 324a along the Z The axes are oriented parallel and oriented. Thus, the arrangement direction of the carbon nanotubes of the carbon nanotube ribbon structure 304a is the same as the second nanometer 097110180. Form No. A0101 Page 10 of 24 1003435011-0 1356252 .

[0025]

[0026] 100 years. On November 23, the arrangement of the carbon nanotubes of the carbon nanotube strip structure 324a is reversed, so that the first carbon nanotube strip structure 304a and the second carbon nanotube strip shape The structure 324a constitutes one pixel in a region where the spaces overlap each other. The liquid crystal molecules between each pixel can be aligned in an overlapping region between the first alignment layer 304 and the second alignment layer 324. Since the first alignment layer 304 and the second alignment layer 324 respectively include a plurality of carbon nanotube ribbon structures, a plurality of pixel dots can be formed between the first alignment layer 304 and the second alignment layer 324. Since the carbon nanotube ribbon structure comprises a plurality of carbon nanotubes, so that the carbon nanotube ribbon structure has good electrical conductivity properties, the carbon nanotube ribbon structure can replace the transparent electrode in the prior art. The layer acts as a conductor. Therefore, when the liquid crystal display panel 300 of the present embodiment adopts an alignment layer containing a carbon nanotube ribbon structure, it is not necessary to additionally add a transparent electrode layer, so that the liquid crystal display panel 300 has a thin thickness and simplifies the structure of the liquid crystal display panel. And manufacturing costs, improve backlight utilization, and improve display quality. In addition, the carbon nanotube ribbon structure does not need to be mechanically brushed or otherwise processed after being disposed on the substrate, so that static electricity and dust are not generated, so that the liquid crystal display panel 300 has better alignment quality. It can be understood that covering a fixed layer on the surface of the carbon nanotube strip structure can make the carbon nanotube strip structure used as the alignment layer not fall off when it is in contact with the liquid crystal material for a long time, thereby The liquid crystal display 300 has better alignment quality. The plurality of carbon nanotubes in the carbon nanotube ribbon structure are aligned, so the carbon nanotube ribbon structure has a polarization effect on natural light, so that it can replace the polarizing plate in the prior art. Polarization effect. Of course, in order to make the liquid crystal display 300 have a better polarization effect, it can also be used in the 097110180 form number A0101 page 11 / 24 pages 1003435011-0 1356252 100 November 23 'replacement ί page a substrate 322 and / Or at least one polarizing plate (not shown) is disposed on the surface of the second substrate 302 away from the liquid crystal layer 338. [0027] The operation of one pixel of the liquid crystal display 300 of the present embodiment will be described below with reference to FIGS. 5 and 6. [0028] As shown in FIG. 5, the plurality of first carbon nanotube ribbon structures 304a in the first alignment layer 304 and the plurality of second carbon nanotube ribbon structures 324a in the second alignment layer 324 are perpendicular to each other. And because the first carbon nanotube ribbon structure 304a and the second carbon nanotube ribbon structure 324a have good electrical conductivity properties, can be used as an electrode layer, so a plurality of first carbon nanotube band structures The 304a and the plurality of second carbon nanotube strip structures 324a can be used as the row electrodes and the column electrodes, thereby aligning liquid crystal molecules in any region of the liquid crystal display panel 300. It can be understood that the plurality of first carbon nanotube strip structures 304a in the first alignment layer 304 and the plurality of second carbon nanotube strip structures 324a in the second alignment layer 324 are spatially overlapping each other. Can be used as a pixel for liquid crystal display. [0029]

When no voltage is applied between the one pixel points, the arrangement of the liquid crystal molecules is in accordance with the first carbon nanotube ribbon structure 304a of the first alignment layer 304 and the second carbon nanotube ribbon of the second alignment layer 324. Depending on the alignment of structure 324a. In the liquid crystal display panel 300 of the present embodiment, the alignment directions of the first carbon nanotube ribbon structure 304a of the first alignment layer 304 and the second carbon nanotube ribbon structure 324a of the second alignment layer 324 are formed. 90 degrees, so the arrangement of liquid crystal molecules will automatically rotate 90 degrees from top to bottom. When the incident light L passes through the first alignment layer 304, since the transmission axis of the first alignment layer 304 is along the Z-axis direction, only the polarization L1 whose polarization direction is parallel to the transmission axis passes. When the polarized light L1 passes through the liquid 097110180 Form No. A0101 Page 12 / Total 24 pages 1003435011-0 13562.52 · α 100 years. November 23, when the replacement of the smectic molecule, since the liquid crystal molecules have rotated a total of 90 degrees, When the polarized light L1 reaches the second alignment layer 324, the polarization direction of the polarized light L1 is just rotated by 90 degrees. Since the transmission axis of the second alignment layer 324 is along the X-axis direction, that is, the polarization direction of the polarized light L1 is parallel to the transmission axis by 90 degrees, so that the second alignment layer 324 can pass smoothly. The liquid crystal display panel 300 of the embodiment is in a light-passing state. [0030] As shown in FIG. 6, when any of the above-mentioned pixel points is applied, the liquid crystal molecules in the pixel region are affected by the electric field, and the alignment direction thereof tends to be parallel to the electric field direction. A state perpendicular to the first substrate 302. At this time, when the polarized light L1 passing through the first alignment layer 304 passes through the liquid crystal molecules, the polarization direction is not changed, and therefore the second alignment layer 324 cannot be passed. At this time, the liquid crystal display panel 300 of the present embodiment is in a light-shielded state. [0031] The liquid crystal display panel 300 has the following advantages: First, since the carbon nanotube ribbon structure has a plurality of parallel gaps, the plurality of gaps can be used as grooves for liquid crystal molecules The alignment, therefore, the carbon nanotube ribbon structure can be used as an alignment layer. Second, since the carbon nanotube ribbon structure comprises a plurality of carbon nanotubes, so that the carbon nanotube ribbon structure has good electrical conductivity properties, the carbon nanotube ribbon structure can replace the prior art. The transparent electrode layer acts as a conductive. Therefore, when the liquid crystal display panel of the embodiment adopts an alignment layer containing a carbon nanotube ribbon structure, it is not necessary to additionally add a transparent electrode layer, thereby making the liquid crystal display panel 300 have a thin thickness, simplifying the structure of the liquid crystal display panel and Manufacturing costs, improved backlight utilization, and improved display quality. Third, the first alignment layer 304 and the second alignment layer 324 in the liquid crystal display panel 300 respectively comprise a plurality of spaced carbon nanotube strip structures, and the carbon nanotube strip structures in the two alignment layers are 097110180. No. A0101 Page 13 of 24 1003435011-0 1356252 On November 23, 100, kE is perpendicular to ¥100, so the above-mentioned carbon nanotube band structure acts as a row electrode and a column electrode, thereby realizing liquid crystal A plurality of pixels of the display screen 300 are displayed [0032] In summary, the present invention has indeed met the requirements of the invention patent, and the patent application is filed according to law. However, the above description is only a preferred embodiment of the present invention, and it is not possible to limit the scope of the patent application of the present invention. Equivalent modifications or variations made by those skilled in the art to the spirit of the invention are intended to be included within the scope of the following claims.

BRIEF DESCRIPTION OF THE DRAWINGS [0033] FIG. 1 is a perspective view of a prior art liquid crystal display. 2 is a cross-sectional view of a liquid crystal display according to an embodiment of the present invention. [0035] FIG. 3 is a cross-sectional view taken along line III-III of FIG. 4 is a cross-sectional view taken along line IV-IV shown in FIG. 2. [00] FIG. 5 is a schematic view showing the structure of a liquid crystal display in a light-passing state according to an embodiment of the present invention. .

6 is a schematic diagram of a vertical structure of a liquid crystal display panel in a light blocking state according to an embodiment of the present disclosure. [Main component symbol description] [0039] Liquid crystal display: 100, 300 [0040] First polarizer: 102 [0041] First substrate: 104, 302 097110180 Form number A0101 Page 14 of 24 page 1003435011-0 1356252 100 years. November 23 nuclear replacement page

[0042] First transparent electrode layer: 106 [0043] First alignment layer: 108, 304 [0044] First trench: 1 082, 308 [0045] Second polarizer: 110 [0046] Second substrate: 112 322 [0047] second transparent electrode layer: 114 [0048] second alignment layer: 116, 324 [0049] second trench: 1162, 328 [0050] liquid crystal layer: 118, 338 [0051] liquid crystal molecule: 1182 [0052] First carbon nanotube band structure: 304a [0053] First pinned layer: 304b [0054] Second carbon nanotube band structure: 324a [0055] Second pinned layer: 324b 097110180 Form number A0101 Page 15 of 24 1003435011-0

Claims (1)

1356252 VII. Patent application scope: "100 years. November b 1 · A liquid crystal display comprising: a first substrate; a second substrate, the first substrate being disposed opposite to the second substrate; a layer disposed between the first substrate and the second substrate; a first alignment layer disposed on a surface of the first substrate adjacent to the liquid crystal layer, and the first alignment layer is adjacent to the liquid crystal layer The surface of the layer includes a plurality of parallel first trenches; and a second alignment layer disposed on a surface of the second substrate adjacent to the liquid crystal layer, and the second alignment layer is adjacent to a surface of the liquid crystal layer a plurality of parallel second trenches, wherein the second trench alignment direction of the second alignment layer is perpendicular to the first trench alignment direction of the first alignment layer; and the improvement is that the first alignment layer and the first The two alignment layers respectively comprise a plurality of carbon nanotube strip structures arranged in parallel and spaced apart, the carbon nanotube strip structure comprising a plurality of aligned carbon nanotubes, the carbon nanotubes along the nanometer Length direction of carbon tube strip structure The liquid crystal display according to claim 1, wherein the arrangement direction of the carbon nanotube ribbon structure in the first alignment layer and the carbon nanotube in the second alignment layer The liquid crystal display according to claim 1, wherein the carbon nanotube ribbon structure comprises a plurality of aligned carbon nanotubes, the nanocarbon The official includes one or more of a single-walled carbon nanotube, a double-walled carbon nanotube, and a multi-walled carbon nanotube having a diameter of 05 nm to 10 nm, and a double wall. The diameter of the carbon nanotubes is 丨0 nm to 15 nm, and the diameter of the multi-walled carbon nanotubes is 1. 5 nm to 50 nm. 097110180 Form No. A0101 Page 16 of 24 1003435011-0 ' The liquid crystal display panel of claim 1, wherein the carbon nanotube strip structure is at least two overlappingly disposed. The layer of carbon nanotube film per nanometer tube comprises a plurality of carbon nanotubes arranged in a preferred orientation in the same direction, and adjacent two layers of naphthalene The carbon nanotubes in the carbon tube film are arranged along the length direction of the carbon nanotube strip structure. The liquid crystal display panel of claim 4, wherein the carbon nanotube film further comprises A plurality of carbon nanotube bundle segments connected end to end by van der Waals force each of the carbon nanotube bundle segments having equal lengths and consisting of φ plurality of mutually parallel carbon nanotube bundles. 6. As claimed in claim 5 The liquid crystal display screen, wherein the adjacent carbon nanotube bundles are closely coupled by a van der Waals force, and the nano carbon official beam comprises a plurality of carbon nanotubes of equal length and arranged in parallel. The liquid crystal display of claim 6, wherein the plurality of nano tube bundles or/and the carbon nanotubes have a plurality of parallel and evenly distributed gaps. 8. The liquid crystal display according to the patent application scope, wherein the carbon nanotube ribbon structure is a thin film layer in which a plurality of carbon nanotube long lines are closely arranged in parallel. The liquid crystal display # of claim 8, wherein the carbon nanotube long line comprises a plurality of bundle structures consisting of a parallel arrangement of van der Waals force end-to-end bundles or a plurality of end-to-end connections a twisted wire structure composed of nano carbon bundles, and the adjacent carbon nanotube bundles are tightly coupled by van der Waals force, and each bundle of broken bundles includes a plurality of Nevi carbon tubes of equal length and parallel arrangement The liquid crystal display of claim 9, wherein the plurality of carbon nanotube long lines, between the plurality of carbon nanotube bundles or/and the plurality of too 1003435011-0 form numbers Delete 1 Page 17 / Total 24 pages No 10 252 100 years 11. Month 23 曰 Corrected a number of parallel and evenly distributed gaps between the carbon tubes. The liquid crystal display according to claim 8 or claim 1, wherein the surface of the carbon nanotube layer in the first alignment layer or the second alignment layer is near the surface of the liquid crystal layer Further, a fixed layer is provided. 12. The liquid crystal display of claim U, wherein the solid layer is adjacent to a surface of the liquid crystal layer, and has a groove corresponding to a gap in the carbon nanotube ribbon structure, the trench Forming a first trench or a second trench. The liquid crystal display of claim U, wherein the material of the fixed layer is diamond-like hydride, tantalum nitride, hydride of amorphous ruthenium, ruthenium carbide, ruthenium dioxide, oxidation Aluminum, oxidized, tin oxide, titanium titanate or titanic acid. The liquid crystal display according to claim 5, wherein the material of the fixing layer is polyvinyl alcohol, polyimine, polymethyl methacrylate or polycarbonate. The liquid crystal display of claim 11, wherein the fixed layer has a thickness of 20 nm to 2 μm. The liquid crystal display of claim 1, wherein the alignment layer has a thickness of 20 nm to 5 μm. The liquid crystal display of claim 1, wherein the adjacent two carbon nanotube strip structures have a pitch of 50 μm to 150 μm. The liquid crystal display according to claim 2, wherein the material of the first substrate and the second substrate is a flexible material or a hard transparent material, and the flexible transparent material is cellulose triacetate, The rigid transparent material is glass, quartz, diamond or plastic. 19. The liquid crystal display of claim 1, wherein the liquid crystal 097110180 display further comprises at least one polarizer sheet number A0101, page 18 of 24, the polarizer is disposed at the first 1003435011-0 13562.52 . • 100 years. November 2-3, the replacement of the substrate or / and the second substrate away from the surface of the liquid crystal layer. _ 097110180 Form No. A0101 Page 19 of 24 1003435011-0