JPH0154715B2 - - Google Patents
Info
- Publication number
- JPH0154715B2 JPH0154715B2 JP58250172A JP25017283A JPH0154715B2 JP H0154715 B2 JPH0154715 B2 JP H0154715B2 JP 58250172 A JP58250172 A JP 58250172A JP 25017283 A JP25017283 A JP 25017283A JP H0154715 B2 JPH0154715 B2 JP H0154715B2
- Authority
- JP
- Japan
- Prior art keywords
- glare
- display device
- front panel
- front plate
- sprayed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 230000004313 glare Effects 0.000 claims description 24
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 22
- 230000000694 effects Effects 0.000 claims description 16
- 235000012239 silicon dioxide Nutrition 0.000 claims description 11
- 239000000377 silicon dioxide Substances 0.000 claims description 11
- 238000005507 spraying Methods 0.000 claims description 8
- 239000002245 particle Substances 0.000 claims description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- -1 silicate ester Chemical class 0.000 claims description 5
- 150000003377 silicon compounds Chemical class 0.000 claims description 3
- VXEGSRKPIUDPQT-UHFFFAOYSA-N 4-[4-(4-methoxyphenyl)piperazin-1-yl]aniline Chemical compound C1=CC(OC)=CC=C1N1CCN(C=2C=CC(N)=CC=2)CC1 VXEGSRKPIUDPQT-UHFFFAOYSA-N 0.000 claims description 2
- 239000004973 liquid crystal related substance Substances 0.000 claims description 2
- 239000005049 silicon tetrachloride Substances 0.000 claims description 2
- 206010052128 Glare Diseases 0.000 description 23
- 239000007788 liquid Substances 0.000 description 14
- 230000007423 decrease Effects 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 150000004760 silicates Chemical class 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- NOKSMMGULAYSTD-UHFFFAOYSA-N [SiH4].N=C=O Chemical class [SiH4].N=C=O NOKSMMGULAYSTD-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- IJKVHSBPTUYDLN-UHFFFAOYSA-N dihydroxy(oxo)silane Chemical compound O[Si](O)=O IJKVHSBPTUYDLN-UHFFFAOYSA-N 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Landscapes
- Formation Of Various Coating Films On Cathode Ray Tubes And Lamps (AREA)
- Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Description
【発明の詳細な説明】
［発明の分野］
この発明は、正反射軽減（ノングレア）効果を
有する表示装置、とくに、その前面板上に２酸化
けい素もしくはその水和物からなる微細な凹凸層
によりノングレア効果を付与したノングレア表示
装置に関するものである。[Detailed Description of the Invention] [Field of the Invention] The present invention relates to a display device having a specular reflection reducing (non-glare) effect, in particular a fine uneven layer made of silicon dioxide or its hydrate on the front panel thereof. This invention relates to a non-glare display device that has a non-glare effect.
［従来技術］
一般に、この種のノングレア表示装置は、ガラ
スあるいはアクリル樹脂などの合成樹脂からなる
前面板に、予じめこの前面板を加熱したのち、部
分加水分解性けい酸エステルのようなけい素化合
物のコロイド溶液、あるいは４塩化けい素のよう
な反応性けい素化合物溶液を吹き付け、この前面
板上に２酸化けい素もしくはその水和物による微
細な凹凸層を形成したのち、この微細な凹凸層を
前面板に焼き付けることにより製造されていた。[Prior Art] In general, this type of non-glare display device has a front panel made of glass or a synthetic resin such as acrylic resin, which is heated in advance and then coated with a silicate material such as partially hydrolyzed silicate ester. A colloidal solution of an elementary compound or a reactive silicon compound solution such as silicon tetrachloride is sprayed to form a fine uneven layer of silicon dioxide or its hydrate on the front panel. It was manufactured by baking a textured layer onto the front panel.
この種の凹凸層としては、前面板の表面に均一
な厚みで吹き付け塗布されるもの（たとえば、特
開昭53−147549号公報参照）や、前面板の表面を
粗面化した後、この粗面上に吹き付け塗布される
もの（たとえば、特開昭53−13349号公報参照）
が知られている。 This type of uneven layer may be spray-coated to a uniform thickness on the surface of the front panel (for example, see Japanese Patent Application Laid-Open No. 147549/1983), or may be applied after the surface of the front panel has been roughened. Those that are sprayed onto surfaces (for example, see Japanese Patent Application Laid-open No. 13349/1983)
It has been known.
ところが、上記従来の凹凸層では、スプレーノ
ズルの状態、あるいは吹き付け後の供給圧力や供
給流速などの条件により、同じ吹き付け処理を施
しても全く正反射軽減効果が得られず、しかも、
形成された微細な凹凸層が容易に剥離するという
問題が頻繁に発生し、良品率の低下および品質の
悪化をもたらしていた。その結果、市場での不良
品発生率が高く、この種のノングレア表示装置の
価値を著しく損なつていた。 However, with the above-mentioned conventional uneven layer, depending on the condition of the spray nozzle, the supply pressure and supply flow rate after spraying, even if the same spraying treatment is performed, no specular reflection reduction effect can be obtained at all.
The problem that the formed fine uneven layer easily peels off occurs frequently, leading to a decrease in the yield rate and deterioration of quality. As a result, the incidence of defective products in the market is high, significantly reducing the value of this type of non-glare display device.
［発明の概要］
この発明は上記従来の欠点を解消するためにな
されたもので、凹凸層を構成する多数の衝突輪の
平均直径を50μ以下とすることにより、凹凸層が
前面板から剥離するのを防止できるようにし、こ
れにより、上記凹凸層の正反射軽減（ノングレ
ア）効果を長期間にわたつて維持できる高品質の
ノングレア表示装置を提供することを目的とす
る。[Summary of the Invention] This invention was made to solve the above-mentioned conventional drawbacks, and by setting the average diameter of the many collision wheels constituting the uneven layer to 50μ or less, the uneven layer peels off from the front plate. It is an object of the present invention to provide a high-quality non-glare display device that can maintain the specular reflection reducing (non-glare) effect of the uneven layer over a long period of time.
［発明の実施例］
以下、この発明の実施例を図面にしたがつて説
明する。[Embodiments of the Invention] Examples of the invention will be described below with reference to the drawings.
発明者は、不安定な品質の原因を探るために、
吹き付け液の供給量を正反射軽減効果（以下、ノ
ングレア効果と称す。）およびその表面状態につ
いて多くの実験を行なつた結果、吹き付け液の粒
径が最も支配的であることを見い出した。吹き付
け液の粒径の測定は非常に困難であるが、粒子が
前面板に衝突する際に形成される衝突輪から吹き
付け液粒子の粒径を推定できる。なお、ノングレ
ア効果は日本工業規格による光沢度、つまりJIS
光沢度（Z8741）で評価した。 In order to find the cause of unstable quality, the inventor
As a result of conducting many experiments on the specular reflection reduction effect (hereinafter referred to as non-glare effect) and the surface condition of the supply amount of the sprayed liquid, it was found that the particle size of the sprayed liquid is the most dominant factor. Although it is very difficult to measure the particle size of the sprayed liquid, the particle size of the sprayed liquid particles can be estimated from the collision ring formed when the particles collide with the front plate. In addition, the non-glare effect is based on the glossiness according to Japanese Industrial Standards, that is, JIS.
Evaluation was made based on glossiness (Z8741).
第１図は吹き付けエア圧が一定の条件におい
て、吹き付け液が部分加水分解性けい酸エチルア
ルコロイドエタノール溶液の場合の液圧と、ノン
グレア処理後のガラス前面板のJIS光沢度および
表面抵抗との関係を示す図である。図中、実線ａ
は光沢度、破線ｂは表面抵抗をそれぞれ示してい
る。 Figure 1 shows the relationship between the liquid pressure when the spraying liquid is a partially hydrolyzed ethyl silicate alcohol ethanol solution and the JIS glossiness and surface resistance of the glass front plate after non-glare treatment under the condition that the spraying air pressure is constant. It is a figure showing a relationship. In the figure, solid line a
indicates glossiness, and broken line b indicates surface resistance.
この図から液の供給量が増えるのにともなつ
て、表面抵抗が低下し、ノングレア表示装置の前
面板に析出する２酸化けい素が増加するにもかか
わらず、JIS光沢度はある供給量を越えると急に
高くなり、逆にノングレア効果が失なわれること
がわかる。表面状態を顕微鏡で観察すると、第２
図に示されるように、吹き付け液の粒子がノング
レア表示装置の前面板に衝突して形成された衝突
輪ｃが多数見られる。この衝突輪ｃの平均径ｄと
JIS光沢度ａとの関係を表わしたものが第３図で
あり、この図から衝突輪ｃの平均径ｄが50μを越
えるとJIS光沢度ａが逆に上がつてノングレア効
果が低下することがわかる。この原因は、衝突輪
ｃの平均径ｄが50μを越えると、２酸化けい素が
前面板で被膜状に発達するため、この上に吹き付
けられた液は、上に重層されるだけで凹凸層の形
成が阻害されるためと考えられる。この結果、前
面板にはうろこ状に２酸化けい素被膜が形成さ
れ、ノングレア効果が全くないばかりでなく、非
常に剥離し易く、傷つき易いという問題が生じて
いた。 This figure shows that as the amount of liquid supplied increases, the surface resistance decreases and the amount of silicon dioxide deposited on the front panel of the non-glare display device increases. It can be seen that when the value is exceeded, the height suddenly increases and the non-glare effect is lost. When observing the surface condition with a microscope, the second
As shown in the figure, there are many collision rings c formed by particles of the sprayed liquid colliding with the front panel of the non-glare display device. The average diameter d of this collision wheel c and
Figure 3 shows the relationship with the JIS gloss level a, and from this figure it can be seen that when the average diameter d of the collision ring c exceeds 50μ, the JIS gloss level a increases and the non-glare effect decreases. Recognize. The reason for this is that when the average diameter d of the collision ring c exceeds 50μ, silicon dioxide develops in the form of a film on the front plate, so the liquid sprayed on top of this is simply layered on top of it, creating an uneven layer. This is thought to be because the formation of As a result, a scale-like silicon dioxide film was formed on the front panel, which not only had no anti-glare effect but also was extremely easy to peel off and be easily damaged.
したがつて、吹き付け液が前面板に衝突して形
成される衝突輪ｃの径を50μ以下とすることによ
り、前記欠点を除去できる。以下、この発明の実
施例を詳細に説明する。 Therefore, by setting the diameter of the collision ring c formed by the collision of the sprayed liquid against the front plate to 50 μm or less, the above-mentioned drawback can be eliminated. Examples of the present invention will be described in detail below.
［実施例 １］
部分加水分解したエチルシリケートコロイドエ
タノール溶液を、50℃に予熱した陰極線管のフエ
ース面にスプレーする際に、ノズル口径および吹
き付け液圧を調整して、スプレーされた液滴がフ
エース面に衝突してできた衝突輪ｃの平均直径が
40μになるように制御したところ、焼き付け処理
後の陰極線管フエース面に形成された２酸化けい
素の凹凸によるノングレア効果はJIS光沢度ａに
おいて５２となつて十分であり、しかも、9Hの
鉛筆でも傷や剥離が発生しないばかりでなく、ノ
ングレア陰極線管としての十分な品質を備えてい
た。[Example 1] When spraying a partially hydrolyzed ethyl silicate colloid ethanol solution onto the face of a cathode ray tube preheated to 50°C, the nozzle diameter and spraying liquid pressure were adjusted to ensure that the sprayed droplets were on the face. The average diameter of the collision ring c formed by colliding with the surface is
When controlled to 40μ, the non-glare effect due to the unevenness of silicon dioxide formed on the cathode ray tube face after baking was sufficient with a JIS gloss level a of 52, and even with a 9H pencil. Not only was it free from scratches and peeling, but it also had sufficient quality to be used as a non-glare cathode ray tube.
しかし、従来のようにスプレーされた液滴の衝
突輪ｃの平均直径ｄが60μのものは、焼き付け処
理後の陰極線管フエース面に２酸化けい素がうろ
こ状に被膜を形成しており、JIS光沢度ａが60と
なつた、ノングレア効果が少ないばかりでなく、
触れると簡単に剥離し、全く実用にならなかつ
た。 However, in the case where the average diameter d of the collision ring c of sprayed droplets is 60 μm, a scale-like film of silicon dioxide is formed on the cathode ray tube face after baking treatment, and the JIS With a gloss level a of 60, it not only has a low non-glare effect, but also
It peeled off easily when touched, making it completely useless.
［実施例 ２］
４塩化けい素ブタノール溶液を40℃に予熱した
液晶テレビジヨンのアクリル製前面板に吹き付け
て微細な凹凸層を形成するノングレア処理におい
て、スプレーされた液滴の径を制御しない従来の
方法では、うろこ状２酸化けい素被膜ができ易
く、品質的に不安定であつた。しかし、この実施
例では、ノズル口径および吹き付け液の供給速度
を制御して、スプレーされた液滴が前面板に衝突
して形成される衝突輪ｃの平均径ｄを20μになる
ようにした。その結果、加熱処理後の前面板の
JIS光沢度ａは58で、ノングレア効果は十分あり、
しかも剥離にも強く、ノングレア表示装置として
十分な品質を備えていた。[Example 2] In the non-glare treatment in which a silicon tetrachloride butanol solution is sprayed onto the acrylic front panel of a liquid crystal television preheated to 40°C to form a fine uneven layer, the diameter of the sprayed droplets is not controlled in the conventional method. In the method described above, a scaly silicon dioxide film was easily formed and the quality was unstable. However, in this example, the nozzle diameter and the supply speed of the sprayed liquid were controlled so that the average diameter d of the collision ring c formed when the sprayed droplets collided with the front plate was 20μ. As a result, the front plate after heat treatment
JIS gloss level a is 58, which has sufficient non-glare effect.
Moreover, it was resistant to peeling and had sufficient quality as a non-glare display device.
なお、この発明において使用できる吹き付け液
としては、前面板に２酸化けい素もしくはその水
和物の微細な凹凸層を形成できるものであれば、
前述した溶液だけに限定されるものではなく、け
い酸エステル、部分加水分解性けい酸エステル、
ハロゲン化けい素、部分加水分解性ハロゲン化け
い素、イソシアネートシラン化合物などが使用で
きることはいうまでもない。 In addition, the spraying liquid that can be used in this invention is one that can form a fine uneven layer of silicon dioxide or its hydrate on the front plate.
It is not limited to the above-mentioned solutions, but also includes silicate esters, partially hydrolysable silicate esters,
It goes without saying that silicon halides, partially hydrolyzable silicon halides, isocyanate silane compounds, and the like can be used.
［発明の効果］
以上のように、この発明によれば、凹凸層を構
成する多数の衝突輪の平均直径を50μ以下に設定
したから、うろこ状の２酸化けい素被膜の発生を
防止して、十分なノングレア効果を有するととも
に、被膜の剥離も生じない高品質のノングレア表
示装置を安定して供給でき、工業的価値がきわめ
て大きい。[Effects of the Invention] As described above, according to the present invention, since the average diameter of the many collision rings constituting the uneven layer is set to 50μ or less, the generation of a scaly silicon dioxide film can be prevented. , it is possible to stably supply a high-quality non-glare display device that has a sufficient non-glare effect and does not cause peeling of the coating, and has extremely high industrial value.
第１図は一定のエア圧下におけるスプレー液の
圧力と日本工業規格による光沢度ａとの関係およ
び表面抵抗との関係を示す図、第２図はスプレー
された液滴が前面板表面に衝突して形成される衝
突輪ｃとその重なりを示す模式図、第３図は第２
図の衝突輪ｃの平均径ｄと光沢度ａとの関係を示
す図である。
なお、図中同一符号は同一または相当部分を示
す。
Figure 1 shows the relationship between the pressure of the spray liquid under a constant air pressure, the glossiness a according to the Japanese Industrial Standards, and the relationship with the surface resistance. Fig. 3 is a schematic diagram showing the collision ring c formed by
It is a figure which shows the relationship between the average diameter d of the collision ring c of a figure, and the glossiness a. Note that the same reference numerals in the figures indicate the same or corresponding parts.
Claims (1)
スプレイなどの表示装置における前面板に、部分
加水分解性けい酸エステルのようなけい素化合物
のコロイド溶液、あるいは４塩化けい素のような
反応性けい素化合物のアルコール溶液を吹き付け
て、上記前面板に２酸化けい素もしくはその水和
物の微細な凹凸層を形成することにより、正反射
軽減効果を生起させたノングレア表示装置におい
て、吹き付けられた液滴粒子が上記前面板に衝突
する際に形成される衝突輪の平均直径が50μ以下
である微細な凹凸の繰り返しからなる凹凸層を上
記前面板に形成したことを特徴とするノングレア
表示装置。1. The front panel of a display device such as a cathode ray tube, liquid crystal television, or plasma display is coated with a colloidal solution of a silicon compound such as partially hydrolyzed silicate ester, or a reactive silicon compound such as silicon tetrachloride. In a non-glare display device in which a specular reflection reduction effect is produced by spraying an alcohol solution to form a fine uneven layer of silicon dioxide or its hydrate on the front panel, the sprayed droplet particles A non-glare display device characterized in that a concavo-convex layer is formed on the front plate, the concavo-convex layer consisting of repeating fine concavities and convexities in which the average diameter of collision wheels formed when colliding with the front plate is 50 μm or less.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25017283A JPS60142685A (en) | 1983-12-28 | 1983-12-28 | Non-glare display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25017283A JPS60142685A (en) | 1983-12-28 | 1983-12-28 | Non-glare display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60142685A JPS60142685A (en) | 1985-07-27 |
| JPH0154715B2 true JPH0154715B2 (en) | 1989-11-20 |
Family
ID=17203885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP25017283A Granted JPS60142685A (en) | 1983-12-28 | 1983-12-28 | Non-glare display device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60142685A (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62143348A (en) * | 1985-12-18 | 1987-06-26 | Hitachi Ltd | Cathode-ray tube |
| JPS6376247A (en) * | 1986-09-17 | 1988-04-06 | Hitachi Ltd | Cathode-ray tube |
| JPH0831306B2 (en) * | 1986-09-22 | 1996-03-27 | ソニー株式会社 | High-definition cathode ray tube device manufacturing method |
| JPS63193436A (en) * | 1987-02-06 | 1988-08-10 | Hitachi Ltd | Manufacture of dazzling-proof cathode-ray tube |
| JPH0517795Y2 (en) * | 1987-02-20 | 1993-05-12 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5313349A (en) * | 1976-07-22 | 1978-02-06 | Nec Home Electronics Ltd | Nonreflective cathode ray tube |
| JPS53147549A (en) * | 1977-05-30 | 1978-12-22 | Toshiba Corp | Forming method of antireflection film |
| JPS57204002A (en) * | 1981-06-10 | 1982-12-14 | Toray Ind Inc | Plastic filter for luminous displaying |
| JPS59222268A (en) * | 1983-05-31 | 1984-12-13 | Sumitomo Chem Co Ltd | Production of product having rugged surface |
| JPS609038A (en) * | 1983-06-27 | 1985-01-18 | Matsushita Electronics Corp | Picture tube |
-
1983
- 1983-12-28 JP JP25017283A patent/JPS60142685A/en active Granted
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5313349A (en) * | 1976-07-22 | 1978-02-06 | Nec Home Electronics Ltd | Nonreflective cathode ray tube |
| JPS53147549A (en) * | 1977-05-30 | 1978-12-22 | Toshiba Corp | Forming method of antireflection film |
| JPS57204002A (en) * | 1981-06-10 | 1982-12-14 | Toray Ind Inc | Plastic filter for luminous displaying |
| JPS59222268A (en) * | 1983-05-31 | 1984-12-13 | Sumitomo Chem Co Ltd | Production of product having rugged surface |
| JPS609038A (en) * | 1983-06-27 | 1985-01-18 | Matsushita Electronics Corp | Picture tube |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60142685A (en) | 1985-07-27 |
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