TWI339213B - - Google Patents

Description

1339213 V. DESCRIPTION OF THE INVENTION (1) [Invention] The display and the electric protective covering of the present invention are used in a film and a phase difference. The liquid crystal mold assembly process or staining, etc., or the combination of the two layers of the film and the liquid layer will have an adhesive material using an adhesive method. In recent years, the high-humidity conditions have been confirmed in the adhesion of the polymer of Cai Beizhi's reliability, and the display and transportation engineering of the PC film and the liquid crystal group are protected by the surface surface protection of the bismuth citrate module. The film strip of the protective cover layer is thin, and the display portion is widely used to reduce the surface of the protective film or the surface of the protective portion to reduce the surface of the color filter portion of the non-adhesive portion, the television, etc. Protecting the covering material to cover the material, and using the surface of the alcohol ester (PET) surface to be attached to the liquid crystal film to be fixed on the end surface of the liquid crystal film, the technical field is related to the use of liquid crystal for personal computers, televisions, etc. Polydisplay: A method of protecting the surface of the display portion of the flat panel display and the surface of the display portion. The liquid crystal module is formed by laminating a polarizing film or a glass substrate, etc., in order to prevent adhesion or damage to the liquid crystal module, dust, and the like. The materials are polyethylene, polypropylene film and the like. Then, the surface of the display portion of the adhesive module that can be peeled off is provided on the surface to be connected, and the surface of the display portion of the module is not used, and in the method of fixing the liquid crystal module or the like, the latter is used in the process of passing through. In the case of a high temperature tube, in particular, the stage of stripping the protective cover during use has an optical hue change, causing the display device to be known. To solve this problem, a method for solving the problem by reducing the difference in moisture absorption between the protective covering material and the surface of the polarizing plate by using the moisture permeable protective covering material

Page 5 1339213 V. Description of invention (2) Completed (refer to Patent Document 1). * In the environment of 35C, 8〇%rh, after 72, the knife is used in the case of iOOg/m2 · 72hr or more. "In addition to the above problems, the liquid crystal module is connected to the liquid crystal module, and the water vapor is retained in the close contact portion. The surface of the display portion and the surface of the display portion where the protective cover is infiltrated are in an optical color 1 state. After knowing that it is dry here, the surface of the display part is noticeable; the problem, or the infiltration is found in the form of the adhesive layer: f: problem. The special type of protection cover #, in the liquid crystal module; The reason is that the non-adhesive tape and the like are fixed in the periphery of the bezel, and the fixing frame is formed only by the end of the adhesive film, and the water vapor is freely inserted into the frame by the peripheral portion. In addition, the non-adhesive type of protective covering material is fixed to the ^^^--this basically protects the display of the covering material and the liquid crystal module sa, the group = the grooved portion, assembled, in fact, with the different stickers, = In the case of a non-closed manner, the covering material is drooped or curled, etc., causing frequent occurrences such as protective contact, etc. in the case of the condition of the environment. ☆When the shape is near the center of the crotch, it is near the center of the display part. The state of the peripheral edge is free to enter. In addition, this Even if the first two are scared, it becomes a polymer film that is excellent in infiltration and fishery; === The proposal is transparent, so only by protecting the covering material = = = : = ; = moisture amount) (4) Ϊ can not be solved The problem is the same as the liquid 曰: ^ and the protection of the 纟 纟 纟 , , , , , , , 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电The type of protective covering of the layer of the layer

2l88-6472-PF(N3).ptd 155^215 V. Description of the invention (3) His problem, and because of the problem of scratches caused by the shock during transportation. Patent Document: Japanese Patent Application No. [Invention] The surface of the display portion of the present invention is optically stopped. The surface of the display portion of the vibrator in the wheeling is invented by the inventor of the present invention, and the display portion is dried after the protective covering material is adhered thereto. The problem is particularly likely to occur in a particular liquid crystal mode. The 'high-profile type of high-profile group' will occur especially. The surface of the display portion is not in close contact with the protective covering material, and the friction between the two is generated. In the display portion = the special opening 2 0 0 1 - 2 0 9 0 3 9 The surface of the surface is sturdy and shows a smooth surface for the surface: it can be changed, in the display material and the surface of the stained surface generated by the water vapor of the investigation liquid, the near shape is prevented from being generated on the surface of the flat or significant stained portion. The stagnation of the crystal module on the surface of the display portion is a phenomenon in which the dip color changes. Gentleman, Ό Use the display panel that is not commonly used for the past year to display 'the image of the surface of the surface of the surface of the surface of the surface of the surface of the surface of the surface." . The surface side and the state have an excellent liquid crystal mold when entering the protective covering material. In addition, it is also known that the surface smoothness of the surface of the display portion is increased by a slight smoothness of 10 points. Know that the suppression number is below 〇·1. In addition, the 〆 is shot, so it is treated with tiny bumps. The first anti-product of the surface of the 4. Η From the LCD module, almost no k-like. 1 > 4 I knows the degree of W of the surface roughness of the surface where the fine unevenness is applied with a 10-point average roughness. '|里子 is 1.0 to 111~3.0"111

1339213

Related to the related problem, in recent years, the display of the accompanying form, that is, even if the unevenness of the clip is not easy to show the surface of the part to accommodate the foreign matter according to the above results, the founding material is used in the set, so that the aforementioned or The invention of the cost incurred in the surface transport of the display portion. In the case of scratches, it is not often the case that the surface of the fine crystal is not scratched, and the problem of the surface of the foreign object is not reduced, and the situation of the foreign object is wiped out. The recurrence of the display of the person's repeated surface is low. The problem is that there is foreign matter on the surface of the liquid display portion on the upper surface of the front surface, and the surface of the liquid display portion is rubbed so that the sliding property is high. Therefore, it is possible to significantly deface the display portion with high smoothness. The damage also shows the high-profile appearance of the above-mentioned close-knit, and the protective cover and the display valley are more and more often eased. There are no scratches on the surface. Perform a sharp change to the thickness of the surface of the protective part of the liquid optical color. In addition, at the same time, 'smoothing occurs according to the problem. The surface of the surface of the surface of the surface of the surface of the surface of the surface of the surface of the display unit of the flat panel display is provided by the above-mentioned (four) 'the invention provides the surface roughness (1 〇 point average handle) The method of protecting the surface of the display portion by forming a Α ～2. The Α 覆 形成 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 : fouling,

2188-6472-PF(N3).pid Page 8 155νη^ V. Invention description (5), [Solution 1 side: The scratch on the surface of the display part which occurs in the rim rim. = modulo::; body-based - implementation type. Material), the characteristic system and the obvious covering material (the following is abbreviated as the protective cover is measured in the roughness of the 〇5 mesh & the surface of the rough seam picking point flat film. That is, the protection cover m is within the range The surface of the molecule is thinner than the size of the bump. 4, the surface of the surface where the surface is not connected

The larger the bump, the better, and the shuttle 1 〇 WJb 1A is better. In addition, when the surface is measured, the 二 丨 丨 一 一 一 一 液晶 液晶 液晶 液晶 ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; Also g ^ 5 cover friction 'towels cut granules δ vine cover table when measuring below 10 light #surface bumps to take 1 point average roughness for protective covering, not more than 20 #111 is not suitable. For example, a method of imparting irregularities to the surface of the polymer can be employed. For example, the film itself has a fineness: the material is kneaded into the inorganic filler or the rubber component, and when pressed, the film is pressed to have the right side, or the film of the polymer film is transferred to the surface of the concave and convex shape. Rubber roller or metal roll method, etc. Wanfa, or by corona treatment, etc., to make the surface rough and thin, the display of the two groups of liquids: in the state of the J to protect the covering material;" the degree of transparency is better.: the surface of the surface = scratches or dust The film and polystyrene are two-fold: polyethylene film, thin film, polyethylene terephthalate (PET) ^39213 five inventions (6) enamel film, polyacrylonitrile film, Polyisosaki film, nylon thin, 'the thickness of these thin enamels, from the olefin-based film, etc. 2 The function of scratching, etc., and the surface of the display part of the liquid crystal module only with tape, it will be too thin It is impossible to protect the end of the covering material = the function that cannot be functioned. It also protects the fruit, • is the film $ 3, and then 50 (four) or more, especially the two must have 25 (four) or more = the softness required by the damaged membrane Where the sex or thickness is too thick, = the use of the type 'in the economic side c, because the system uses w ~ Γ. "Ton. That is, ^ I annihilate the aponeurizing membrane 3, and then more preferably 50 (four) or more. "The item must be above the heart" = the softness or thickness required by the damaged membrane, the use pattern of the abandonment is not on the economic side: For the sake of the following, in addition to the above, as long as it meets the above requirements, it can be used as a protective cover material. It can be used to prevent dust, dust, etc. It is better to use the protection of the foreign matter. To protect the film from the anti-charged ί anti-charge treatment, you can use the high score: 耜 by co-extrusion molding, etc. in the polymer thin::: mixed with antistatic agent, : The film which is subjected to the electrification treatment of the layer of the anti-static agent of the polymer thin chess is bonded to the polymer and coated, and the type of the antistatic agent is treated as a treatment method. It can be 'unspecially limited. For example, it can be: a polymeric material: a type, a nonionic type, etc., an antistatic coating which is a binder of formic acid, and a hydrophilic agent. ^Permanent anti-static agent alloyed with propylene-propylene resin, or carbon stone

Maim 2188-6472-PF(N3).ptd No. 10 1 1339213 V. Description of invention (7) Materials, etc. Among them, the permanent antistatic agent, ϋ does not have a reduction in the antistatic property in a low-humidity environment which is common to various surfactants, and there is no decrease in antistatic property due to precipitation of an antistatic agent or wiping. Further, when carbon black or graphite or the like is used, it is also possible to achieve transparency (visualization) which is difficult to achieve, and is economically superior to metal oxides and the like. The protective covering material configured as described above is, for example, a liquid crystal module having a smooth surface on the display portion (the surface of the display portion is measured at an average roughness of 10 points, which is less than 1 A m). It is used to prevent foreign matter, dust, and the like from adhering to the surface of the display portion or to cause scratches or stains. The protective covering material is fixed to the liquid crystal module by using an adhesive tape to cover the surface of the display portion. (Embodiment) Hereinafter, the present invention will be described in detail by way of examples and comparative examples, but the invention is not limited thereto. <First Embodiment> A copolymer composed of a styrene monomer and a (meth)acrylate monomer (trade name: C 1 ear P act (TI Trans.) TI 3 0 0: Dainippon Ink Chemical Industry ()) 7 重量% by weight, mixed with polyetheresteramide (trade name: palestate) (transliteration NC7530: Sanyo Chemical Co., Ltd.) 3 〇 by weight. Then, a film having a thickness of 1 〇 〇 # m was formed by pressing the cymbal type nozzle along a metal casting roll. Also, a film formed by a sheet-shaped nozzle, along the metal

1339213 V. INSTRUCTIONS (8) The casting rolls are cooled when they are rolled. This cooling was the same in the following examples and comparative examples. <Second embodiment> A copolymer composed of a styrene monomer and a (meth)acrylate monomer (trade name: Clear Pact T 1 30 0 : Dainippon Ink Chemical Industry Co., Ltd.) 70% by weight, mixed with 30 parts by weight of polyetheresteramide (trade name: palestate) (transliteration NC7530: Sanyo Chemical Co., Ltd.). Then, the sheet-shaped nozzle is pressed out along the metal casting roll, and the average sugar content of the fineness is 10 " (1) The Shixi rubber roller is pressed on one side to form a thin layer having a thickness of 1 &; 13th application Example> The same mixture as that of the second embodiment was extruded from a sheet-type nozzle roll, and the average roughness of the product was 1 〇 铸 铸 没 没 1 1 1 1 m m 1 1 1 ' ' ' A film having a thickness of l〇〇em. <4th embodiment> The Zhan 4 rolls which are the same as in the second embodiment are extruded, and the thickness is 100" with a 1 〇 point average roughness 0 / piece type nozzle along the metal casting surface. The film of "." is pressed with a rubber roller of <1 in the fifth embodiment> 'The polypropylene is used as the raw material from the sheet-shaped mouth with a mean roughness of 20 (four). A film of 1 〇 ^ ^. On the surface, the thickness is made to <First Comparative Example>

1339213

Anti-charged 2-axis extended polyethylene terephthalate (PET) film (trade name: Rumilar-X53; manufactured by Tosoh) <2nd comparative example>

_ A copolymer of a stupid vinyl monomer and a (meth) acrylate monomer (trade name: Clear Pact TI 300: Dainippon Ink A Chemical Industry Co., Ltd.) monomer, sheet type The mouth is extruded along a metal casting roll to form a film having a thickness of 100. &lt;Sample&gt; The films of the first to fifth embodiments and the first and second comparative examples were superposed on the surface of the display portion of the hard-coat-treated liquid crystal module (the average roughness of the 〇 point was 〇 .〇5 em or less), the thin film and the liquid crystal module are fixed with tape at the end. When the surface roughness of the film is different, the rough surface is in contact with the surface of the display portion of the liquid crystal module. &lt;Adhesive state&gt; The film was placed on the upper surface in a high-temperature and high-humidity bath at a temperature of 40 ° C and a humidity of 95 % RH, and the film and the liquid crystal module display portion were visually observed after 5 hours. In the close contact state of the surface, when the adhesion was not observed, it was evaluated as 〇', and X was evaluated when the adhesion was observed. &lt;Water vapor transmission rate&gt; The water vapor transmission rate of each of the thin rafts was measured in accordance with JIS Z0208. <haze> &gt; Turbidity is determined by the standard of J I SK 7 105. &lt;Adhesion of foreign matter&gt; The adhesion of the foreign matter is "Yes" when it is visually discernible.

2188-6472-PF(N3).ptd Page 13 1339213 V. Description of invention (10) "None" when attached. &lt;actual transport test&gt; Further, the actual transport test (transport distance of about 200 km) was carried out on each of the films of the first to fifth examples and the first and second comparative examples (transport distance: about 200 km), and the film and the liquid crystal module were visually observed after the transport. In the close contact state of the surface of the display portion, the number of people with scars is η, and the defect rate is n/5 〇0 X 1 0 0 (%). The particles remaining on both surfaces of the wounded were recovered, and the average particle diameter (/z m ) was observed under a microscope. The results are shown in Table 1 below. Whether the first table is in close contact with or without 10 points of average roughness water vapor transmission rate (g/m2/34hr) Thickness (μχτι) Turbidity m The adhesion rate of the foreign matter of the intermetallic adhesion test (°/0) The average particle diameter ( Μια) 1st sinus application 〇2.1 44.5 100 20 no 0.8 3.5 2nd sinus application 〇47 44.5 100 34 no 0.5 3.4 3rd animal application 〇8.2 44.5 100 38 0.6 3.5 4th treasure 刿〇10.3 44.5 100 40 0.8 3 6 5th Example 〇10.1 0.6 100 Not tempted to have the first comparative example X 0.1 8.5 100 2 •---- no 38 2 5 2nd comparative example X 0.1 _40, 2 100 4 The first embodiment to the fifth yoke example of the human beings have not been connected, and the average thickness of 1 point is closely connected with that of the second comparative example. The first comparative example having a smaller size, the second comparative example in which the average roughness at 10 points is as small as 〇. j so that the water vapor transmission rate is large and there is still a close contact, that is,

2188-6472-PF(N3).ptd Page 14 1339213 V. Description of the Invention αι) No adhesion was observed in any of the first to fifth embodiments. However, in the fourth embodiment in which the surface unevenness is large, the turbidity is high, and the fifth embodiment in which crystallization occurs in the case of coldness becomes opaque. In the fourth and fifth embodiments, it is known that it is difficult to confirm the liquid crystal mold through the covering material. The group displays the surface of the part. It is not required that the turbidity must be small. 'There is no need for high transparency in the use of the protective covering material. As long as the surface of the display portion can be visually confirmed through the protective covering material, the turbidity is no problem at the level of 20%. It will be affected by the thickness of the protective covering material, but the visual confirmability of the turbidity value exceeding 40% is deteriorated. Further, in the fifth embodiment and the second comparative example in which the antistatic treatment was not performed, it was found that the protective covering material adsorbed dust in the surrounding environment, and the surface of the liquid crystal module display portion was stained. The result of the actual conveyance test and the defective rate after the conveyance were as high as 3.8 % with respect to the first comparative example. In the first embodiment, 〇. 8 %, and in the second embodiment, 〇. 5 % ' The third embodiment is 0.6%, and the fourth embodiment is 〇. 8 %. Compared with the first comparative example, the effect of reducing the defect defect rate after transport can be seen. — The average particle size of the surface of the liquid crystal display module and the protective cover of the liquid crystal module showing the scratches of her example: i is 3.4~3. 6 core' and the average roughness of the second embodiment is low: Since the fruit ground is accommodated in the uneven portion, the rate of occurrence of the flaw is reduced, and this only mode has the following advantages. 1 Display with 液晶 LCD; # 平均 以 以 以 以 以 以 以 以 以 以 以 以 以 以 以 以 以 以 以 以 以 以 以 以 以 以 以 祖 祖 祖 祖 祖 祖 祖 祖 祖

1339213 V. INSTRUCTIONS (12) ------- The composition of the southern molecular film. In other words, when it is used in a state in which the surface of the display unit having a high surface smoothness of the liquid crystal module 2 is covered, it is possible to avoid the protection of the covering material and the display during the circulation or storage of the thirst condition. The surface is closely connected. As a result, unlike the case of using the conventional protective covering material, =曰 is a state in which the water vapor is retained in the close contact portion between the protective covering material and the surface of the display portion, and the optical color tone is prevented from being generated on the surface of the display portion at the wetted portion. 'Or a problem of preventing significant staining of the surface of the display portion after drying at the infiltrated portion', and it is possible to suppress the occurrence of abrasion marks caused by impurities or the like interposed between the protective covering material and the surface of the display portion due to factors such as transportation.

(2) The polymer film constituting the protective covering material is subjected to an antistatic portion, that is, "the protective covering material can be prevented from adsorbing dirt, and the protective covering member can be visually confirmed and displayed in a state where the surface of the display portion is covered" There are no scratches or dust on the surface of the part. (3) Anti-static treatment is a case where a polymer material is mixed with a permanent antistatic agent. Even in a high-humidity environment, it is possible to stably prevent the surface of the display unit from protecting the covering material from adsorbing dirt.

(4) The main component polymer material constituting the polymer film is mixed with a polymer material functioning as a permanent antistatic agent, and is extruded from a sheet changing nozzle along a metal casting roll to form a thin crucible. Polymer film. That is, after the production of the polymer film, the surface coating of the antistatic agent is carried out, and the film subjected to the antistatic treatment is bonded to the antistatic treatment such as the polymer film, which saves the antistatic treatment. (5) A copolymer composed of a stupid vinyl monomer and a (meth) acrylate monomer is used as a polymer material constituting a main component of the polymer thin crucible

1339213 V. Inventive Note (13) When polyetheresteramide is used as a permanent antistatic agent, the dispersibility of a polymer material that functions as a permanent antistatic agent is excellent. The embodiment is not limited to the foregoing, and may be embodied, for example, as follows. In the protective covering material, the lubricating materials and processing aids used in general plastic processing can also be added. Further, a stabilizer, a plasticizer, a coloring agent, or the like may be added as needed. It is not limited to the protective covering material for protecting the surface of the display portion of the liquid crystal module, and may be applied to a protective covering material for protecting the surface of the display portion of a flat panel display such as a plasma display panel.

2188-6472-PF(N3).ptd Page 17 1339213 f Brief description of the diagram [Simplified illustration] [Main component symbol description]

Iii Painting II 2188-6472-PF(N3).ptd Page 18

Claims (1)

_ Case No. 93922687 VI. Patent Application Area 1. A covering material for protecting the surface of a display portion of a flat panel display, characterized in that: The average roughness is measured in a polymer film in the range of 2. 1 # m~2 0 # m. 2. The covering material of claim 1, wherein the polymer film is subjected to an antistatic treatment. 3. The covering material according to item 2 of the patent application, wherein the antistatic treatment is to mix a permanent antistatic agent with the polymer material. 4. The covering material of claim 1, 2 or 3, wherein the high molecular film has a haze of 40% or less. 5. For the covering material of claim 1, 2 or 3, wherein the surface roughness of the above-mentioned high molecular weight film is within the range of 〜10//m when the average roughness of 10 points is measured. 6. For the covering material of the first, second or third part of the patent application, the roughness of the surface of the aforementioned display portion is measured at 0. 1 // m or less when the average thick chain degree is measured. 7. The covering material of claim 1, 2 or 3, wherein the flat panel display is a liquid crystal display. 8. The covering material according to claim 1, wherein the polymer film has a film thickness of 25 /zm to 300. 9. The covering material according to item 8 of the patent application, wherein the film thickness of the polymer film is 50 μπι or more. 1 0. If the covering material of claim 8 or 9 is applied, the aforementioned high score 2188-6472-PF2(N3).ptc Page 19 1339213 Case No. 6. The thickness of the patented sub-film is 2〇〇#πιατ 11. A flat panel display includes: .4 no surface protection method, The package is 1 point by surface roughness. It is called the second degree of the polymer film in the range: the surface of the display part of the amount of 2., ~, and the flat panel display of the material, and the cover material is attached to the display part table. , the formula 'fixes the aforementioned covering material. 12. A flat panel display of the 疋 ..., 贝不. The surface protection method is based on the surface roughness of 1 〇 匕 20 &quot;m in the range of the polymer pound κ 没 量 在 在 在 在 2 2 2 2 2 2 2 2 2 2 2 2 2 : The cover material 'covers the flat plate 1' and the surface of the display portion; and the roughness is measured at the center of the core: the lower cover member is attached to the surface of the display portion by the covering material, and the cover material is fixed to the flat panel display. ...use turtle glue 2188-6472-PF2(N3).ptc Page 20 曰 One correction will