522422 A7 B7522422 A7 B7
經濟部智慧財產局員工消費合作社印製 本發明係關於一種資訊顯示器之抗靜電/抗反射塗佈，尤指一種在含導電材 料之抗靜電塗佈藥液中，力口入折射率在1.8〜2.7之高折射率金屬氧化物，並在混合 均勻後，將其均勻地塗佈在一資訊顯示器之顯示面板表面上，形成一抗靜電塗佈 層，再於該抗靜電塗佈層上，均勻塗佈一含二氧化矽(Si02)成份之溶液，以形成 一具低折射率之二氧化矽薄膜。 先前技藝： 按，目前在製作陰極射線管時，所使用之抗反射（Anti-Reflection)及抗靜 電（Anti-Static )等塗佈處理，一般均係採用噴塗(spray)、旋轉式塗佈(spin coating) 或離子濺鍍(sputtering coating)方式，將含鍊錫氧化物(Antimony-doped Tin Oxide ’以下簡稱ΑΤΟ，如：鍊-二氧化錫Sb-Sn02)或銦錫氧化物(Indium-doped Tin Oxide，以下簡稱ITO，如：錫-三氧化二銦In2〇3-Sn 02)成份之抗靜電塗佈溶 液，塗佈在陰極射線管上呈曲面之顯示面板之外側表面，以形成一抗靜電塗佈層， 嗣再於該抗靜電塗佈層上，塗佈一含二氧化矽(Si02)(如：矽質凝膠，silica gel) 成份之抗反射塗佈溶液，形成一抗反射塗佈層，以實現抗靜電及抗反射之效果。 然而，近年來，陰極射線管之設計及製造業者，爲改善陰極射線管之可視角度及 外觀造型，已逐漸將呈曲面狀之顯示面板，設計成平面直角狀，由於此一設計上 之改變，頗受消費者喜愛，且已在坊間造成流行，幾乎有取代曲面狀陰極射線管 之趨勢。 按，在現今廣泛被使用之平面直角陰極射線管中，參閱第1圖所示，其顯 示面板上位於中央位置之玻璃，均較其周邊位置之玻璃爲薄，導致其中央位置玻 璃之穿透率爲80%，而周邊位置玻璃之穿透率則僅爲約72%，故爲使該等平面 直角陰極射線管之整體顯示面板具有較均勻之穿透率，一般均係藉降低整個顯示 本紙張尺度適用中國國家標準（CNS)A4規格（210 X 297公釐） (請先閱讀背面之注意事項再填寫本頁) --------訂-------- 522422 A7 B7 五、發d約將中心位置降至約50%)，以縮小顯示面板上中央與周邊位 置間玻璃穿透率之差距比，令顯示面板能呈現更均勻之整體畫面。以目前業界在 平面直角陰極射線管平面管上所使用之塗佈方式爲例，除了利用離子濺鍍方式， 將含ITO、鈦金屬(Ti)及氮化鈦(TiN)成份之材料，塗佈至該顯示面板上外，大都 係利用含銀鈀(Ag-Pd)或銀金(Ag-Au)成份等導電材料之抗靜電塗佈溶液，透過 旋轉式塗佈(Spin coating)法，將其噴塗在於該顯示面板上，以降地整個顯示面板 之穿透率，進而縮小中央與周邊位置間玻璃穿透率之差距比，然而，無論係利用 前者或後者之作法，其製作成本均相當昂貴。 有鑑於此，發明人曾硏發出一種在抗靜電塗佈溶液中，添加具超導電度且 折射率在1.5〜2·0間之碳黑（carbon black)藥液，俾透過簡單且低成本之塗佈 製程，藉調整碳黑之添加量，以有效調整其在一資訊顯示器之顯示面板表面上， 所形成之一抗靜電塗佈層之導電特性，及整個顯示面板穿透率之均勻性。然而， 在此種作法中，不僅該抗靜電塗佈溶液中所使用之ITO或ΑΤΟ等材料成本，並 不便宜，且由於碳黑材料具有高比表面積値(BET),故爲令該等材料能被均勻混 合於該抗靜電塗佈溶液中，需在該碳黑藥液中添加大量之分散劑(surface activation agent)，此舉卻大幅降低了該碳黑材料原有之高折射率，令其在與外 層所塗佈之折射率在1.4〜1.5間之二氧化矽薄膜相搭配時，根據Fresh Law，並 無法獲得最佳之抗反射效果。另，部份業者雖試圖透過在抗靜電塗佈溶液中，添 力口導電高分子，期降低其塗佈成本，但由於一般導電高分子材料之折射率，普遍 偏低，故所形成之抗靜電塗佈層與外層所塗佈之二氧化矽薄膜相搭配時，並無法 獲得良好之抗反射效果。 發明綱要： 本紙張尺度適用中國國家標準（CNS)A4規格（210 X 297公釐） (請先閱讀背面之注意事項再填寫本頁) - 訂---------線痛 經濟部智慧財產局員工消費合作社印製 522422 A7 B7 統視訊顯示器上所使用之抗靜電及抗反射塗佈材料之高成本 及抗反射效果不佳等問題，發明人乃硏究發明出一種「可在資訊顯示器上形成具 有電磁遮蔽、抗反射及可調穿透率塗佈層之方法」，期藉由在一含超導電之碳黑 及/或導電高分子之抗靜電塗佈溶液中，加入折射率在1.8〜2.7之高折射率金屬氧 化物，並在混合均勻後，將該抗靜電塗佈溶液均勻地塗佈在一資訊顯示器之顯示 面板表面上，形成一抗靜電塗佈層，再於該抗靜電塗佈層上，均勻塗佈一含二氧 化矽(Si02)成份之溶液，以形成一具低折射率之二氧化矽薄膜。 本發明之主要目的，係利用在該抗靜電塗佈溶液中，加入折射率在1.8〜2.7 之金屬氧化物，令所形成之抗靜電塗佈層，與其外層所形成之二氧化矽薄膜間， 保持一較高之折射率比，俾在該抗靜電塗佈溶液中添加大量分散劑，以令該碳黑 成份均勻混合於該抗靜電塗佈溶液時，不致大幅降低該抗靜電塗佈層之整體折射 率，令所形成之抗靜電航反射塗佈層可獲得一最佳之抗反射效果。 本發明之另一目的，係在該碳黑、導電高分子及該金屬氧化物材料之成本 均較低，故可透過簡單且低成本之製程，在該資訊顯示器上形成具有電磁遮蔽、 抗反射及可調穿透率之抗靜電航反射塗佈層。 圖式說明： 第1圖乃一傳統平面直角彩色陰極射線管之顯示面板之剖面示意圖； 第2圖乃一傳統彩色陰極射線管之縱剖面示意圖； 第3圖乃將抗靜電塗佈層及抗反射塗佈層應用於一傳統彩色陰極射線管之 顯示面板上之局部剖面示意圖。 詳細說明： -4- 本紙張尺度適用中國國家標準（CNS)A4規格（210 X 297公釐） (請先閱讀背面之注意事項再填寫本頁) τ -ϋ ^^1 n ·ϋ n - I Bui i·— I Mmmmmm 1 ·1 I - 經濟部智慧財產局員工消費合作社印製 522422 五、發明 經濟部智慧財產局員工消費合作社印製 A7 B7 統之彩色陰極射線管ίο，參閱第2圖所示，主要包括一密封 之玻璃管體(sealed glass envelope)l2，該管體Π設有一玻璃面板(faceplate) 14、 一管頸部(neck portion)18 及一中間漏斗部(intermediate furniel portion)16，該 玻璃面板14之內壁表面塗佈有螢光層(phosphor screen)24，該螢光層24包括 複數個可分別散發螢光之螢光單元，該密封玻璃管體12之管頸部18內，貝[J設 有複數個呈直線排列之電子槍20，用以產生三色電子束22，該等電子束22經 一磁偏掃軛（magnetic deflection yoke)之控制，可沿水平及垂直方向偏折，並 焦聚於該螢光層24上，當該彩色陰極射線管10所產生之三色電子束，焦聚在 該玻璃面板14內壁表面上之各該螢光單元時，該等單元將散發出有色光，以在 該玻璃面板14上顯示視訊影像。 參閱第3圖所示，乃一傳統之彩色陰極射線管上玻璃面板之局部剖面示意 圖，該玻璃面板40之內壁表面塗佈有一螢光層42，其外壁表面則塗佈有一塗 佈層44。該螢光層42係由複數個彼此間隔且呈點狀（dots)或帶狀（stripes) 分佈之螢光單元所組成。該塗佈層44包含內層之抗靜電塗佈層46及外層之抗 反射塗佈層48，該抗靜電塗佈層46之表面接設有一導電元件50，俾藉該導電 元件50將該玻璃面板40連接至接地端，以有效去除該玻璃面板40外壁表面所 累積之靜電荷；該抗反射塗佈層48則係用以減少該玻璃面板40外壁表面對外 界環境光之反射，俾該玻璃面板14上能呈現更淸晰之視訊影像。 本發明主要係在超導電之碳黑粉末及/或導電高分子藥液中，加入分散劑， 將其調製成含超導電之碳黑及/或導電高分子之濃縮藥液，並於其中加入一由折 射率在1.8〜2.7之高折射率金屬氧化物粉末及分散劑混合調製而成之濃縮藥液，在 將該二濃縮藥液均勻混合後，再視實際需要，於其中加入一定比例之溶劑，加以 稀釋，以令該碳黑、導電高分子及金屬氧化物能均勻地混合於所形成之一抗靜電 塗佈溶液中，嗣，再將該抗靜電塗佈溶液均勻地塗佈在一資訊顯示器之顯示面板 -5- 本紙張尺度適用中國國家標準（CNS)A4規格（210 X 297公釐） (請先閱讀背面之注意事項再填寫本頁)Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economics The present invention relates to an antistatic / anti-reflective coating of an information display, especially an antistatic coating solution containing a conductive material with a refractive index of 1.8 ~ 2.7 high-refractive index metal oxide, and after uniform mixing, apply it evenly on a display panel surface of an information display to form an antistatic coating layer, and then uniformly coat the antistatic coating layer. Coating a solution containing silicon dioxide (Si02) to form a silicon dioxide film with a low refractive index. Previous skills: According to the current application of anti-reflection (Anti-Reflection) and anti-static (Anti-Static) coatings in the production of cathode ray tubes, generally spraying, spin coating ( spin coating) or ion sputtering coating, the antimony-doped tin oxide (hereinafter referred to as ATTO, such as: chain-tin dioxide Sb-Sn02) or indium-doped Tin Oxide, hereinafter referred to as ITO, such as: tin-indium trioxide (In2O3-Sn 02) antistatic coating solution, coated on the outer surface of the display panel with a curved surface on the cathode ray tube to form a primary antibody The electrostatic coating layer is coated with an anti-reflective coating solution containing silicon dioxide (Si02) (such as a silica gel) on the anti-static coating layer to form an anti-reflective coating. Fabric layer to achieve anti-static and anti-reflective effects. However, in recent years, in order to improve the viewing angle and appearance of the cathode ray tube, manufacturers and manufacturers of the cathode ray tube have gradually designed curved display panels to be flat rectangular. Due to this design change, It is loved by consumers and has become popular in the market. It has almost replaced the curved cathode ray tube. According to the flat right-angle cathode ray tube which is widely used today, as shown in Fig. 1, the glass in the central position on the display panel is thinner than the glass in the peripheral position, which leads to the penetration of the glass in the central position. The rate is 80%, and the penetration rate of the surrounding glass is only about 72%. Therefore, in order to make the overall display panel of these flat right-angle cathode ray tubes have a more uniform transmission rate, it is generally to reduce the entire display cost. Paper size applies to China National Standard (CNS) A4 (210 X 297 mm) (Please read the precautions on the back before filling this page) -------- Order -------- 522422 A7 B7 V. d. Reduce the center position to about 50%) to reduce the gap ratio of the glass transmittance between the central and peripheral positions on the display panel, so that the display panel can present a more uniform overall picture. Taking the coating method currently used in the flat right-angle cathode ray tube plane of the industry as an example, in addition to using ion sputtering, a material containing ITO, titanium metal (Ti) and titanium nitride (TiN) components is coated. To the display panel, most of them are anti-static coating solutions containing conductive materials such as silver-palladium (Ag-Pd) or silver-gold (Ag-Au) components, which are spin-coated by a spin coating method. Spraying is applied to the display panel to reduce the transmittance of the entire display panel, thereby reducing the ratio of the transmittance of the glass between the central and peripheral positions. However, whether the former or the latter method is used, the production cost is quite expensive. In view of this, the inventors have proposed to add a carbon black chemical solution with superconductivity and a refractive index between 1.5 and 2.0 in an antistatic coating solution. In the coating process, by adjusting the amount of carbon black added, the conductive characteristics of an antistatic coating layer formed on the surface of an information display display panel and the uniformity of the entire display panel transmittance can be effectively adjusted. However, in this method, not only the cost of materials such as ITO or ATTO used in the antistatic coating solution is not cheap, and because the carbon black material has a high specific surface area (BET), it is necessary to make these materials Can be uniformly mixed in the antistatic coating solution, a large amount of surface activation agent needs to be added to the carbon black chemical solution, but this greatly reduces the original high refractive index of the carbon black material, making When matched with a silicon dioxide film with a refractive index between 1.4 and 1.5 applied to the outer layer, according to Fresh Law, the best anti-reflection effect cannot be obtained. In addition, although some companies try to reduce the cost of coating by adding conductive polymers in antistatic coating solutions, the refractive index of general conductive polymer materials is generally low, so the resistance formed When the electrostatic coating layer is matched with the silicon dioxide film coated on the outer layer, a good anti-reflection effect cannot be obtained. Outline of invention: This paper size is applicable to China National Standard (CNS) A4 specification (210 X 297 mm) (Please read the notes on the back before filling this page)-Order --------- Ministry of Economic Affairs Printed by the Intellectual Property Bureau's Consumer Cooperative Cooperative 522422 A7 B7, the high cost of antistatic and antireflective coating materials used on unified video displays, and poor antireflective effects. The inventor has invented a " A method for forming a coating layer with electromagnetic shielding, anti-reflection and adjustable transmittance on a display ", by adding a refractive index to an antistatic coating solution containing superconductive carbon black and / or conductive polymer After the high refractive index metal oxide of 1.8 to 2.7 is mixed, the antistatic coating solution is evenly coated on the surface of a display panel of an information display to form an antistatic coating layer. On the antistatic coating layer, a solution containing silicon dioxide (Si02) component is evenly coated to form a silicon dioxide film with a low refractive index. The main purpose of the present invention is to add a metal oxide having a refractive index of 1.8 to 2.7 to the antistatic coating solution, so that the formed antistatic coating layer and the silicon dioxide film formed by the outer layer thereof, Maintaining a high refractive index ratio, a large amount of dispersant is added to the antistatic coating solution so that the carbon black component is uniformly mixed in the antistatic coating solution, so that the antistatic coating layer is not greatly reduced. The overall refractive index enables the formed anti-static aerial reflection coating layer to obtain an optimal anti-reflection effect. Another object of the present invention is that the cost of the carbon black, the conductive polymer and the metal oxide material are relatively low, so that the information display can be formed with electromagnetic shielding and anti-reflection through a simple and low-cost process. And anti-static aerial reflection coating with adjustable transmittance. Description of the drawings: Fig. 1 is a schematic cross-sectional view of a display panel of a traditional flat right-angle color cathode ray tube; Fig. 2 is a longitudinal cross-sectional view of a conventional color cathode ray tube; Fig. 3 is an antistatic coating layer and anti- A schematic partial cross-sectional view of a reflective coating applied to a display panel of a conventional color cathode ray tube. Detailed description: -4- This paper size applies to China National Standard (CNS) A4 (210 X 297 mm) (Please read the precautions on the back before filling this page) τ -ϋ ^^ 1 n · ϋ n-I Bui i · — I Mmmmmm 1 · 1 I-Printed by the Consumers ’Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs, printed 522422 5. Invented by the Consumers’ Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs, printed A7 B7 uniform color cathode ray tubes It mainly includes a sealed glass envelope l2, which is provided with a faceplate 14, a neck portion 18 and an intermediate furniel portion 16 The inner surface of the glass panel 14 is coated with a phosphor screen 24. The phosphor layer 24 includes a plurality of fluorescent units capable of emitting fluorescent light respectively. The neck portion 18 of the sealed glass tube 12 Inside, Be [J is provided with a plurality of electron guns 20 arranged in a straight line to generate three-color electron beams 22. These electron beams 22 are controlled by a magnetic deflection yoke and can be horizontal and vertical. Deflect and focus on the fluorescent layer 24 When the three-color electron beams generated by the color cathode ray tube 10 are focused on each of the fluorescent units on the inner wall surface of the glass panel 14, the units will emit colored light to be on the glass panel 14. Display video image. Refer to FIG. 3, which is a schematic partial cross-sectional view of a glass panel on a conventional color cathode ray tube. The inner surface of the glass panel 40 is coated with a fluorescent layer 42 and the outer wall surface is coated with a coating layer 44. . The fluorescent layer 42 is composed of a plurality of fluorescent units spaced apart from each other and distributed in dots or stripes. The coating layer 44 includes an inner anti-static coating layer 46 and an outer anti-reflective coating layer 48. A surface of the anti-static coating layer 46 is provided with a conductive element 50, and the glass is borrowed from the conductive element 50. The panel 40 is connected to a ground terminal to effectively remove the electrostatic charge accumulated on the outer wall surface of the glass panel 40; the anti-reflection coating layer 48 is used to reduce the reflection of the outer wall surface of the glass panel 40 to the external ambient light, and the glass The panel 14 can present a clearer video image. The present invention is mainly adding a dispersant to a super-conductive carbon black powder and / or a conductive polymer medicinal solution to prepare a concentrated medicinal solution containing super-conductive carbon black and / or a conductive polymer, and adding it A concentrated chemical solution prepared by mixing a high refractive index metal oxide powder with a refractive index of 1.8 to 2.7 and a dispersant. After the two concentrated chemical solutions are uniformly mixed, a certain proportion of the chemical solution is added according to actual needs. The solvent is diluted so that the carbon black, the conductive polymer and the metal oxide can be uniformly mixed in one of the formed antistatic coating solutions, and then the antistatic coating solution is evenly coated in one. Information display display panel-5- This paper size is applicable to China National Standard (CNS) A4 (210 X 297 mm) (Please read the precautions on the back before filling this page)
522422 經濟部智慧財產局員工消費合作社印製 A7 B7 五、么‘成一 1¾靜電塗佈層，再於該抗靜電塗佈層上，均勻塗佈一含二氧化砍 (si〇2)成份之溶液，以形成一具低折射率之二氧化矽薄膜，如此，即可透過簡單 且低成本之製程，形成具有電磁遮蔽、抗反射及可調穿透率之抗靜電/抗反射塗 佈層。 在本發明中，該超導電碳黑及/或導電高分子之折射率均係在1.5〜2.0間，其 中該導電局分子可由3,4聚乙燃雙氧塞吩(Polyethylenedioxythiophene)與聚苯 乙稀磺酸鹽(Polystyrenesulphonate)以1:1分子比率，加以混合反應而成。本發 明在該等含超導電碳黑及/或該導電高分子之濃縮藥液中，加入折射率在1.8〜2.7 之高折射率金屬氧化物，並予均勻混合後，可藉該金屬氧化物之高折射率特性， 令混合而成之濃縮藥液具備較高之折射率，該金屬氧化物可爲一折射率在1.98之 二氧化锆(Zr02)、一折射率在2·02之氧化鋅(ZnO)、一折射率在2.37之二氧化鋅 (Ζη02)或一折射率在2·7之二氧化鈦(Ti02)等金屬氧化物，或由該等金屬氧化物 依一定比率混合而成之高折射率金屬氧化物，該等金屬氧化物之添加量與該碳黑 及/或導電高分子之重量百分比，可視實際上對其折射率之要求，力卩以調整，約 爲5%〜70%範圍間。俟該等材料成份混合均勻後，可視實際需要，加以稀釋，再 於其中加入一定比例之溶劑，該溶劑可爲甲、乙、丙或丁醇等含有〇Η·結構之有 機溶劑，或水、醚類及酮類等溶劑，俾藉由該等溶劑令該等材料成份能被均勻 Μ合’調製成所需之抗靜電塗佈溶液。在本發明中，該等高折射率金屬氧化物係 與分散劑依5%〜35°/。之重量百分比，加以混合，該分散劑可爲陰離子型之高分子 分散劑’如·多兀殘化物(polycarboxylate)及聚苯乙儲磺化物(polystyrene sulfonate) 等。 在本發明中，俟該抗靜電塗佈溶液中之各成份被均勻混合後，可採用噴塗 (spray)或旋轉式塗佈(spin coating)方式，將該抗靜電塗佈溶液均勻地塗佈在資 訊顯示器之顯示面板表面上，以形成一層抗靜電塗佈層，並可藉調整該碳黑或該 -6 — 本紙張尺度適用中國國家標準（CNS)A4規格（210 X 297公爱） .I----1-------- I --- (請先閱讀背面之注意事項再填寫本頁) 訂： 丨線 522422 A7 B7 五、發之添^量，以有效調整該抗靜電塗佈層之穿透率及折射率，並輕易獲 得一低成本且具有適當穿透率之高導電度塗佈層。嗣，再於該抗靜電透明薄膜上， 塗佈含二氧化矽(Si02)成份之溶液，該溶液可由矽氧烷基化合物(silicon alkoxide) 在酸中水解而成，以形成一層具低折射率之二氧化矽膜。如此，本發明即可透過 簡單之製程，及較低之成本，在該彩色陰極射線管之玻璃面板上依序形成所需 之抗靜電及抗反射塗佈層，並令該抗靜電塗佈層在加入折射率在L8〜2.7之該金屬 氧化物後，可令其與外層所形成之二氧化矽薄膜間，保持一較高之折射率比，俾 在添加大量分散劑時，仍不致大幅降低該抗靜電塗佈層之整體折射率，令所形成 之抗靜電/抗反射塗佈具備最佳之抗靜電、抗反射效果及均勻之穿透率。 在本發明之一最佳實施例中，該資訊顯示器之玻璃面板外壁表面上，所形 成之該抗靜電塗佈層，其厚度約在50〜500nm(其中ιιξΙΟ：9，m=公尺)範圍，而該 抗靜電塗佈層上所塗佈之二氧化矽膜，其厚度約在50〜500nm(其中n=l〇·9，m= 公尺)範圍，在該等可行之厚度範圍內，又以該抗靜電塗佈層厚度在80〜120nm， 且二氧化矽膜厚度在80〜120jmL之範圍內，所製作出之資訊顯示器爲最佳。 以上所述，僅係本發明之較佳實施例，惟，本發明所主張之權利範圍，並 不局限於在彩色陰極射線管之顯示面板上之應用’按凡熟悉該項技藝人士，依 據本發明所揭露之技術內容，在其它資訊顯示器(如：電漿顯示器或液晶顯示器) 之顯示面板上可輕易思及之等效應用，均應屬不脫離本發明之保護範疇。 (請先閱讀背面之注意事項再填寫本頁) 裝 . 線 '經濟部智慧財產局員工消費合作社印製 -7- 本紙張尺度適用中國國家標準（CNS)A4規格（210 X 297公釐） 522422 A7 _B7 五、發明說明（7") 附圖之圖號說明： 玻璃管體 …… …··12 玻璃面板 ..... .......14、40 管頸部 ·…… …··18 漏斗部 ..... .......16 電子槍 ....... • •…20 螢光層 ..... .......24、42 抗靜電塗佈層....... …"46 抗反射塗佈層..... .......48 導電元件 ....... ·····50 (請先閱讀背面之注意事項再填寫本頁) 經濟部智慧財產局員工消費合作社印製 冬 本紙張尺度適用中國國家標準（CNS)A4規格（210 X 297公釐）522422 A7 B7 printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs. Five, what's into a 1¾ electrostatic coating layer, and then evenly apply a solution containing the component SiO2 on the antistatic coating layer. In order to form a silicon dioxide film with a low refractive index, an antistatic / anti-reflective coating layer with electromagnetic shielding, anti-reflection and adjustable transmittance can be formed through a simple and low-cost process. In the present invention, the refractive index of the superconductive carbon black and / or conductive polymer is between 1.5 and 2.0, and the conductive local molecules can be selected from 3,4 polyethylenedioxythiophene and polystyrene. Poly sulphonate (Polystyrenesulphonate) is mixed at a ratio of 1: 1. In the present invention, a high refractive index metal oxide having a refractive index of 1.8 to 2.7 is added to the concentrated chemical liquid containing superconductive carbon black and / or the conductive polymer, and the metal oxide can be borrowed after uniform mixing. The high refractive index characteristics make the mixed concentrated liquid have a higher refractive index. The metal oxide can be a zirconium dioxide (Zr02) with a refractive index of 1.98 and a zinc oxide with a refractive index of 2.02. (ZnO), a metal oxide such as zinc dioxide (Zη02) with a refractive index of 2.37 or a titanium dioxide (Ti02) with a refractive index of 2.7, or a high refractive index formed by mixing these metal oxides at a certain ratio Ratio of metal oxides, the amount of these metal oxides and the weight percentage of the carbon black and / or conductive polymer can be adjusted according to the actual requirements of its refractive index, in the range of about 5% to 70% between.俟 After the ingredients of these materials are mixed uniformly, they can be diluted according to actual needs, and then a certain proportion of solvent is added. The solvent can be organic solvents containing Η · structure such as methyl, ethyl, propyl, or butanol, or water, Solvents such as ethers and ketones, through which these materials can be uniformly mixed to prepare the desired antistatic coating solution. In the present invention, the high-refractive-index metal oxide system and the dispersant are 5% to 35 ° /. The dispersant may be an anionic polymer dispersant, such as polycarboxylate and polystyrene sulfonate. In the present invention, after the components in the antistatic coating solution are uniformly mixed, the antistatic coating solution may be uniformly coated on the antistatic coating solution by spraying or spin coating. On the surface of the display panel of the information display, an antistatic coating can be formed, and the carbon black or the -6 can be adjusted by this paper. This paper size applies to the Chinese National Standard (CNS) A4 specification (210 X 297 public love) .I ---- 1 -------- I --- (Please read the precautions on the back before filling in this page) Order: 丨 Line 522422 A7 B7 V. Add the amount to effectively adjust the resistance The electrostatic coating layer has a transmittance and a refractive index, and a low-conductivity, high-conductivity coating layer with appropriate transmittance is easily obtained.嗣 Then, on the antistatic transparent film, a solution containing a component of silicon dioxide (Si02) is coated, and the solution can be hydrolyzed by a silicon alkoxide in an acid to form a layer with a low refractive index. The silicon dioxide film. In this way, the present invention can sequentially form the required antistatic and antireflection coating layers on the glass panel of the color cathode ray tube through a simple manufacturing process and a lower cost, and make the antistatic coating layer After adding the metal oxide with a refractive index of L8 to 2.7, it can keep a high refractive index ratio between the metal oxide and the silicon dioxide film formed on the outer layer, and it will not be greatly reduced when a large amount of dispersant is added. The overall refractive index of the anti-static coating layer enables the formed anti-static / anti-reflective coating to have the best anti-static, anti-reflective effect and uniform transmittance. In a preferred embodiment of the present invention, the thickness of the antistatic coating layer formed on the outer wall surface of the glass panel of the information display is about 50 ~ 500nm (where ιιξΙΟ: 9, m = meter). , And the thickness of the silicon dioxide film coated on the antistatic coating layer is in the range of about 50 to 500 nm (where n = 10 · 9, m = meters), within these feasible thickness ranges, With the thickness of the antistatic coating layer in the range of 80 to 120 nm and the thickness of the silicon dioxide film in the range of 80 to 120 jmL, the information display produced is the best. The above description is only a preferred embodiment of the present invention. However, the scope of the claimed rights of the present invention is not limited to the application on the display panel of a color cathode ray tube. The technical contents disclosed in the invention, equivalent applications that can be easily considered on display panels of other information displays (such as plasma displays or liquid crystal displays), should all not depart from the protection scope of the present invention. (Please read the precautions on the back before filling out this page) Packing. Printed on the line 'Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs -7- This paper size applies to China National Standard (CNS) A4 (210 X 297 mm) 522422 A7 _B7 V. Description of the invention (7 ") Drawing number description of the drawings: Glass tube body ... ...... 12 glass panel ... 14 tube neck ... 40 ·· 18 Funnel section ........... 16 Electron gun ....... • •… 20 Fluorescence layer ........... 24、42 Antistatic Coating layer ......... " 46 Anti-reflection coating layer ... 48 Conductive element ... 50 (please first (Please read the notes on the back and fill in this page) The winter paper size printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs applies the Chinese National Standard (CNS) A4 specification (210 X 297 mm)