KR100372030B1 - Panel coating layer of color crt - Google Patents

Panel coating layer of color crt Download PDF

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Publication number
KR100372030B1
KR100372030B1 KR1019950045470A KR19950045470A KR100372030B1 KR 100372030 B1 KR100372030 B1 KR 100372030B1 KR 1019950045470 A KR1019950045470 A KR 1019950045470A KR 19950045470 A KR19950045470 A KR 19950045470A KR 100372030 B1 KR100372030 B1 KR 100372030B1
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KR
South Korea
Prior art keywords
panel
coating layer
coating film
compound
color
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Application number
KR1019950045470A
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Korean (ko)
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KR970030002A (en
Inventor
이창한
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오리온전기 주식회사
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Priority to KR1019950045470A priority Critical patent/KR100372030B1/en
Publication of KR970030002A publication Critical patent/KR970030002A/en
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Publication of KR100372030B1 publication Critical patent/KR100372030B1/en

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/86—Vessels; Containers; Vacuum locks
    • H01J29/867—Means associated with the outside of the vessel for shielding, e.g. magnetic shields
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2229/00—Details of cathode ray tubes or electron beam tubes
    • H01J2229/863—Passive shielding means associated with the vessel
    • H01J2229/8631—Coatings
    • H01J2229/8632—Coatings characterised by the material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2229/00—Details of cathode ray tubes or electron beam tubes
    • H01J2229/863—Passive shielding means associated with the vessel
    • H01J2229/8635—Antistatic shielding
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2229/00—Details of cathode ray tubes or electron beam tubes
    • H01J2229/89—Optical components associated with the vessel
    • H01J2229/8913—Anti-reflection, anti-glare, viewing angle and contrast improving treatments or devices

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  • Laminated Bodies (AREA)
  • Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)

Abstract

PURPOSE: A panel coating layer of a color CRT is provided to enhance the luminance and the contrast by removing the static electricity and the external light from a surface of a panel. CONSTITUTION: A color CRT(10) includes a panel(12), a funnel(14), and a neck portion(16). An anti-explosion band(18) is wound around the panel(12) in order to prevent a damage of a side portion of the panel(12). The first coating layer(20) is formed on a surface of the panel(12) in order to improve the contrast of the panel(12). The first coating layer(20) is formed with antimony compound. The first coating layer(20) includes tin compound in order to increase the conductivity of the first coating layer(20). A composition ratio of the antimony compound and the tin compound is 1:5 to 1:9. The second coating layer(22) is coated on a surface of the first coating layer(20). The second coating layer(22) is formed with alkoxysilane compound.

Description

칼라브라운관의 패널 코팅막Panel Coating Film of Color Brown Tube

본 발명은 칼라브라운관의 패널 코팅막에 관한 것으로, 보다 상세하게는 패널표면에 도포되는 코팅막의 효과를 극대화 하고, 나아가 패널 표면에서 발생되는 정전기와 외부로부터 들어오는 빛을 차단시켜 칼라브라운관의 휘도 및 콘트라스트를 한층 향상시킬 수 있도록 한 칼라브라운관의 패널 코팅막에 관한 것이다.The present invention relates to a panel coating film of a color brown tube, and more particularly, to maximize the effect of the coating film applied to the surface of the panel, furthermore to block the static electricity generated from the surface of the panel and light from the outside to reduce the brightness and contrast of the color brown tube. The present invention relates to a panel coating film of a color brown tube that can be further improved.

일반적으로, 칼라브라운관의 패널 표면은 매끄러운 면으로 되어 있어, 외광을 강렬하게 정반사하고, 이로 인해 전등이나 창 등의 밝은 물체가 칼라브라운관 패널의 표면상에 비추어져 화상을 정확히 보기가 매우 어려웠다.In general, the panel surface of the color CRT has a smooth surface, and intensely specular reflection of external light causes bright objects such as a light or a window to shine on the surface of the CRT panel, making it very difficult to accurately see an image.

이와 같은 정반사를 방지하기 위해 칼라브라운관의 표면을 미세한 요철상의 면으로 코팅하여 외광을 난반사시키는 방법과, 상기 패널의 발광효율을 높이면서 외부로 들어오는 빚을 차단하여 휘도 및 콘트라스트를 향상시키고자 실리카를 도포하고 150℃ 이하의 온도에서 소성시키는 소위 외광반사 방지액을 도포하는 방법이 실시되어 왔다.In order to prevent such specular reflection, the surface of the color brown tube is coated with a fine uneven surface to diffuse the external light, and to improve the luminous efficiency of the panel and block debts from entering the outside to improve the brightness and contrast. The method of apply | coating so-called external light reflection prevention liquid which apply | coats and bakes at the temperature of 150 degrees C or less has been implemented.

또한, 상기 칼라브라운관 패널 표면의 유리를 불산에 의해 에칭하여 요철을 만드는 화학적방법이 있으나, 이 방법은 공해문제를 유발하고, 패널이 손상되기 쉬우며 처리불량의 경우 재생처리가 불가능한 문제점이 있었다.In addition, there is a chemical method of forming irregularities by etching the glass on the surface of the color CRT panel with hydrofluoric acid, but this method causes pollution problems, the panel is easily damaged and there is a problem that the regeneration treatment is impossible in the case of poor processing.

그리고, 연마재를 사용하여 샌드브라스트법으로 패널 표면에 요철을 형성하는 방법은 이물질 혼입의 염려가 있는 문제점이 있었다.In addition, the method of forming irregularities on the surface of the panel by sandblasting using an abrasive has a problem of incorporation of foreign matter.

마지막으로, 규산의 알카리염수용액을 칼라브라운관의 패널 표면에 스프레이를 이용하여 도포하고 열처리시켜 표면에 요철상의 피막을 형성하는 방법이 있으나, 수용액 상태에 있기 때문에 스프레이를 이용하여도 유동 상태로 되기 쉽고, 알카리를 함유하고 있어 공기중의 수분과 반응하여 백탁해지며 표면에서 결정수가 용출되는 문제점이 이었다.Finally, alkali salt solution of silicic acid is applied to the surface of the panel of the color brown tube using a spray and heat-treated to form an uneven film on the surface.However, since it is in an aqueous state, it is easy to become flowable even if the spray is used. Alkali contains alkali, which reacts with water in the air to become cloudy and crystallized water elutes from the surface.

본 발명은 상기와 같은 문제점을 해소하기 위해 안출된 것으로 패널 표면에서 발생되는 정전기와 외부로부터 들어오는 빛을 차단하여 칼라브라운관의 휘도 및 콘트라스트를 보다 향상시킬 수 있도록 한 칼라브라운관의 패널 코팅막을 제공하는데 그 목적이 있다.The present invention provides a panel coating film of a color-brown tube which can improve the brightness and contrast of the color-brown tube by blocking static electricity generated from the surface of the panel and light coming from the outside to solve the above problems. There is a purpose.

상기와 같은 목적을 달성하기 위한 본 발명은 패널의 표면에 안티몬화합물과주석화합물을 1:5 ∼ 1:9의 조성비율로 혼합시킨 제 1코팅막이 코팅되어 있고, 이 제1코팅막의 표면에는 외광을 차단하기 위해 알콕시실랜화합물을 요철로 형성시킨 제2코팅막이 코팅된 코팅된 구조로서, 우선 패널 표면에 도포되는 코팅막의 효과를 극대화 하고, 아울러 상기 패널 표면에서 발생되는 정전기와 외부로부터 들어오는 빛을 차단시켜 칼라브라운관의 휘도 및 콘트라스트를 보다 향상시킬 수 있는 점에 특징이 있다.The present invention for achieving the above object is coated on the surface of the panel is coated with a first coating film in which the antimony compound and the tin compound in a composition ratio of 1: 5 to 1: 9, the outer surface of the first coating film The coating structure is coated with a second coating film in which an alkoxysilane compound is formed of unevenness to block the first, to maximize the effect of the coating film applied to the surface of the panel, and also to prevent static electricity generated from the surface of the panel and light from the outside. It is characterized in that the brightness and contrast of the color CRT can be further improved by blocking.

이하 본 발명을 첨부된 예시도면에 의거 상세히 설명한다.Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

본 발명의 제 1도는 칼라브라운관의 패널 코팅막을 나타낸 것으로, 칼라브라운관(10)은 크게 패널(12), 펀넬(14), 넥크부(16)로 구분되고, 또한 상기 칼라브라운관(10)은 일종의 진공용기로 대기압에 의한 팽창으로 패널(12)의 측면부가 파손되는 경향이 있기 때문에 이를 방지하고자 패널(12) 주위에 방폭밴드(18)가 권선되어 있다.1 of the present invention shows a panel coating film of a color brown tube, the color brown tube 10 is largely divided into a panel 12, a funnel 14, the neck portion 16, and the color brown tube 10 is a kind of An explosion-proof band 18 is wound around the panel 12 to prevent the side surface of the panel 12 from being damaged by expansion by atmospheric pressure in a vacuum container.

또한, 상기 패널(12)의 콘트라스트를 향상시키고자 패널(12)의 표면에 안티몬화합물로 이루어진 제 1코팅막(20)이 코팅되어 있는데, 이 제 1코팅막(20)에는 도전성을 높이기 위해 주석화학물이 포함되어 있다.In addition, a first coating film 20 made of an antimony compound is coated on the surface of the panel 12 to improve the contrast of the panel 12. The first coating film 20 has a tin chemical to increase conductivity. This is included.

여기서, 상기 안티몬화합물과 주석화물은 1:5 ∼ 1:9의 조성비율로 혼합되며, 바람직하게는 1:6의 조성비율이 가장 적합하다.Herein, the antimony compound and the tin compound are mixed at a composition ratio of 1: 5 to 1: 9, and a composition ratio of 1: 6 is most suitable.

또한, 상기 제 1코팅막(20)의 표면에는 패널(12)의 표면에서 발생되는 외광을 제거하고자 알콕시실랜화합물로 이루어진 제 2코팅막이 코팅되어 있다.In addition, a second coating film made of an alkoxysilane compound is coated on the surface of the first coating film 20 to remove external light generated from the surface of the panel 12.

따라서, 상기 칼라브라운관(10) 패널(12)의 표면에 정전기가 발생할 경우,상기 제 1코팅막(20)에 포함된 주석화합물이 정전기를 어스시켜 제거하고, 상기 제 2코팅막(22)을 이루는 알콕시실랜화합물이 외광을 제거하게 되는 것이다.Therefore, when static electricity is generated on the surface of the color brown tube 10 panel 12, the tin compound included in the first coating layer 20 removes the static electricity by grounding, and the alkoxy forms the second coating layer 22. The silane compound will remove external light.

위와 같이 본 발명은 패널 표면에 안티몬화합물과 주석화합물을 혼합시켜 코팅된 제 1코팅막과, 제 1코팅막의 표면에 외광을 제거하기 위해 알콕시실랜화합물로 이루어진 제 2코팅막이 패널 표면에서 발생되는 정전기 밑 외광을 제거하여 칼라브라운관의 휘도 및 콘트라스트를 한층 향상시킬 수 있는 효과가 있다.As described above, in the present invention, a first coating film coated by mixing an antimony compound and a tin compound on the surface of a panel, and a second coating film made of an alkoxysilane compound to remove external light on the surface of the first coating film are generated under the static electricity generated on the panel surface. By removing external light, there is an effect of further improving the brightness and contrast of the color CRT.

제 1도는 본 발명에 따른 칼라브라운관의 패널 코팅막을 나타낸 개략도이다.1 is a schematic view showing a panel coating film of a color brown tube according to the present invention.

*도면의 주요부분에 대한 부호의 설명** Description of the symbols for the main parts of the drawings *

10 : 칼라브라운관 12 : 패널10: color brown tube 12: panel

14 : 펀넬 16 : 넥크부14: funnel 16: neck portion

18 : 방폭밴드 20 : 제 1코팅막18: explosion-proof band 20: the first coating film

22 : 제 2코팅막22: second coating film

Claims (1)

칼라브라운관(10)의 패널(12) 표면에 형성되는 코팅막에 있어서,In the coating film formed on the surface of the panel 12 of the color brown tube 10, 상기 패널(12)의 표면에 안티몬화합물과 주석화합물을 1:5 ∼ 1:9의 조성비율로 혼합시킨 제 1코팅막(20)이 코팅되어 있고, 이 제 1코팅막(20)의 표면에는 외광을 차단하기 위해 알콕시실랜화합물을 요철로 형성시킨 제 2코팅막이 코팅된 것을 특징으로 하는 칼라브라운관의 패널 코팅막.On the surface of the panel 12 is coated a first coating film 20 in which an antimony compound and a tin compound are mixed at a composition ratio of 1: 5 to 1: 9, and external light is applied to the surface of the first coating film 20. Panel coating film of the color-brown tube characterized in that the coating is coated with a second coating film formed of an alkoxysilane compound in the unevenness to block.
KR1019950045470A 1995-11-30 1995-11-30 Panel coating layer of color crt KR100372030B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950045470A KR100372030B1 (en) 1995-11-30 1995-11-30 Panel coating layer of color crt

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950045470A KR100372030B1 (en) 1995-11-30 1995-11-30 Panel coating layer of color crt

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Publication Number Publication Date
KR970030002A KR970030002A (en) 1997-06-26
KR100372030B1 true KR100372030B1 (en) 2003-03-26

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