KR960039088A - Screen manufacturing method of cathode ray tube and cathode ray tube manufactured thereby - Google Patents

Screen manufacturing method of cathode ray tube and cathode ray tube manufactured thereby Download PDF

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Publication number
KR960039088A
KR960039088A KR1019950010422A KR19950010422A KR960039088A KR 960039088 A KR960039088 A KR 960039088A KR 1019950010422 A KR1019950010422 A KR 1019950010422A KR 19950010422 A KR19950010422 A KR 19950010422A KR 960039088 A KR960039088 A KR 960039088A
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South Korea
Prior art keywords
conductive film
visible light
ray tube
cathode ray
film
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KR1019950010422A
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Korean (ko)
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KR100202863B1 (en
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신동기
이복수
윤상열
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엄길용
오리온전기 주식회사
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Priority to KR1019950010422A priority Critical patent/KR100202863B1/en
Priority to PCT/KR1996/000058 priority patent/WO1996035222A1/en
Publication of KR960039088A publication Critical patent/KR960039088A/en
Priority to US08/814,255 priority patent/US5827628A/en
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Publication of KR100202863B1 publication Critical patent/KR100202863B1/en

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/70Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Formation Of Various Coating Films On Cathode Ray Tubes And Lamps (AREA)

Abstract

광전도막에 직접 전원을 인가하여 대전시키는 건식 전자사진식 음극선관의 스크린 제조방법 및 이에 의해 제조된 음극선관이 개시된다.Disclosed are a method of manufacturing a screen of a dry electrophotographic cathode ray tube which is directly charged by applying power to a photoconductive film, and a cathode ray tube manufactured thereby.

판넬내면에 휘발성전도막을 형성시키는 1차코팅 단계, 그 전도막위에 자외선에 감응하는 물질을 함유하는 휘발성의 자외선광전도막을 형성시키는 2차코팅 단계, 그 자외선광전도막위에 가시광선에 감응하는 물질을 함유하는 휘발성의 가시광선광전도막을 형성시키는 3차코팅 단계, 그리고 그 가시광선광전도막에+직류전극을 인가하고 상기 전도막에-직류전극을 인가하면서 그 가시광선광전도막에 가시광선을 전면에 걸쳐 노광하므로써 균일한 정전하를 그 가시광선전도막에 대전시키는 대전단계를 포함하는 스크린 제조방법이 제공된다. 이에 따라, 전도막위에 자외선 감응 자외선 광전도막과 가시광선광전도막을 이중으로 형성하고 직접 전원을 인가하여 그 가시광선광전도막에 대전시키므로써 대전을 균일하게 할 수 있어 스크린의 형광체 밀도를 균일하게 할 수 있는 효과가 있다.The first coating step of forming a volatile conductive film on the inner surface of the panel, the second coating step of forming a volatile ultraviolet photoconductive film containing a material sensitive to ultraviolet rays on the conductive film, the material sensitive to visible light on the ultraviolet light conductive film Tertiary coating step of forming a volatile visible light conductive film containing a volatile visible light conductive film, and applying a + direct electrode to the visible light conductive film and applying a-direct electrode to the conductive film, and spreading visible light across the visible light conductive film There is provided a screen manufacturing method comprising a charging step of charging a uniform electrostatic charge to the visible light conductive film by exposure. Accordingly, the UV-sensitive UV photoconductive film and the visible light conductive film are formed on the conductive film in double, and the power is applied directly to the visible light conductive film to make the charging uniform, thereby making the phosphor density of the screen uniform. It has an effect.

Description

음극선관의 스크린 제조방법 및 이에 의해 제조된 음극선관Screen manufacturing method of cathode ray tube and cathode ray tube manufactured thereby

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제5도 (가) 내지 (마)는 본 발명에 따른 건식 전자사진식 스크린 제조방법을 설명하기 위한 개략도, 제6도는 본 발명에 따른 건식 전자사진식 스크린 제조방법에 의해 칼라음극선관을 제조하는 공정도.5 (a) to (e) is a schematic view for explaining a dry electrophotographic screen manufacturing method according to the present invention, Figure 6 is a method for producing a color cathode ray tube by a dry electrophotographic screen manufacturing method according to the present invention Process diagram.

Claims (7)

판넬내면에 형광면을 형성시키기 위한 전자사진식 음극선관의 스크린제조방법에 있어서 ; (1) 상기 판넬내면에 휘발성전도막을 형성시키는 1차코팅 단계 ; (2 그 전도막위에 자외선에 감응하는 물질을 함유하는 휘발성의 자외선광전도막을 형성시키는 2차코팅 단계 ; (3) 그 자외선광전도막위에 가시광선에 감응하는 물질을 함유하는 휘발성의 가시광선전도막을 형성시키는 3차코팅 단계 ; 그리고 (4) 그 가시광선광전도막에+직류전극을 인가하고 상기 전도막에-직류전극을 인가하면서 그 가시광선광전도막에 가시광선을 전면에 걸쳐 노광하므로써 균일한 정전하를 그 가시광선전도막에 대전시키는 대전단계를 포함하는 것을 특징으로 하는 전자사진식 음극선관의 스크린제조방법.In the screen manufacturing method of an electrophotographic cathode ray tube for forming a fluorescent surface on the inner surface of the panel; (1) forming a volatile conductive film on the inner surface of the panel; (2) forming a volatile ultraviolet photoconductive film containing a material sensitive to ultraviolet light on the conductive film; (3) forming a volatile visible light conductive film containing a material sensitive to visible light on the ultraviolet light conductive film. A third coating step of forming the same, and (4) uniform electrostatic by exposing visible light to the visible light conductive film over the entire surface while applying + direct electrode to the visible light conductive film and applying-direct electrode to the conductive film. And a charging step of charging the visible light conducting film to the visible light conducting film. 제1항에 있어서 ; (5) 그 가시광선광전도막의 정전하를 선택적으로 방출시키도록 자외선 광원으로 새도우마스크를 통과시켜 노광하는 노광단계 ; 및 (6) 미세분말을 방전전극을 통과시켜 대전시키면서 분사시켜, 상기 노광단계(4)에서 정전하가 선택적으로 방출된 광전도막의 노광부분과 그 나머지 광전도막의 비노광부분중 어느 하나의 영역에 그 대전된 미세분말을 부착시키는 현상단계를 추가로 포함하는 것을 특징으로 하는 전자사진식 음극선관의 스크린 제조방법.The method of claim 1; (5) an exposure step of exposing through a shadow mask through an ultraviolet light source so as to selectively release the electrostatic charge of the visible ray photoconductive film; And (6) injecting the fine powder through the discharge electrode while charging the charged powder, wherein any one of the exposed portion of the photoconductive film selectively discharged from the electrostatic charge in the exposure step (4) and the non-exposed portion of the remaining photoconductive film And a developing step of attaching the charged fine powder to the electrophotographic cathode ray tube. 제2항에 있어서, 상기 현상단계(5)에서의 미세분말이 제1, 제2 및 제3 형광체분말의 어느 하나를 포함하며, 그 각 제1, 제2 및 제3형광체 분말에 대해 소망의 배열을 이루도록 상기 대전단계(4), 노광단계(5) 및 현상단계(6)가 반복적으로 실시되고, 그 후 각 형광체들을 고착시키는 고착단계를 포함하는 것을 특징으로 하는 전자사진식 음극선관의 스크린제조방법.The method of claim 2, wherein the fine powder in the developing step (5) comprises any one of the first, second and third phosphor powders, and the desired powder for each of the first, second and third phosphor powders. The screen of the electrophotographic cathode ray tube, characterized in that the charging step (4), the exposure step (5) and the developing step (6) are repeatedly carried out to form an arrangement, and then a fixing step of fixing the respective phosphors. Manufacturing method. 제3항에 있어서, 상기 고착단계직전에 상기 부착된 제1, 제2 및 제3 형광체의 배열을 분리시키는 매트릭스 패턴을 형성하도록 빛흡수물질 분말에 대해 상기 대전 단계(4)와 현상단계(5)가 실시되고, 그 고착단계는 배열된 각 형광체와 매트릭스패턴을 이룬 빛흡수물질을 고착시키는 단계인 것을 특징으로 하는 전자사진식 음극선관의 스크린제조방법.4. The charging step (4) and the developing step (5) for the light absorbing material powder according to claim 3, in order to form a matrix pattern separating the array of the first, second and third phosphors attached immediately before the fixing step. ), And the fixing step is a step of fixing the light absorbing material forming the matrix pattern with each of the phosphors arranged. 제3항 또는 제4항에 있어서, 고착단계가 솔벤트증기를 접촉시켜 미세분말을 고착시키는 것을 특징으로 하는 전자사진식 음극선관의 스크린제조방법.The method for manufacturing an electrophotographic cathode ray tube according to claim 3 or 4, wherein the fixing step comprises contacting solvent vapor to fix the fine powder. 제1항 내지 제4항중 어느 한 항에 있어서, 상기 2차 코팅단계에서 자외선에 감응하는 물질이 비스디메틸 페닐 디페닐 부타트리엔, 트리니트로플루오리논 및 에틸 안트라퀴논(ethyl anthraquinone : EAQ) 중 적어도 한가지 이상을 각각 0.01 내지 10중량% 함유하는 것을 특징으로 하는 전자사진식 음극선관의 스크린제조방법.The material according to any one of claims 1 to 4, wherein the material sensitive to ultraviolet rays in the secondary coating step is at least one of bisdimethyl phenyl diphenyl butatriene, trinitrofluorinone and ethyl anthraquinone (EAQ). Screen production method of an electrophotographic cathode ray tube, characterized in that it contains 0.01 to 10% by weight of at least one. 판넬의 내면에 코팅된 휘발성전도막위에 자외선에 감응하는 물질을 함유하는 휘발성의 자외선광전도막을 형성시키며, 그 자외선광전도막위에 가시광선광전도막을 형성시키고, 그 가시광선광전도막에 +직류전극을 인가하고 상기 전도막에 -직류전극을 인가하면서 그 가시광선광전도막에 가시광선을 전면에 걸처 노광하므로써 균일한 정전하를 그 가시광선전도막에 대전시킨 후, 그 자외선광전도막들을 자외선광원으로부터 자외선으로 선택적 노광을 시키고, 그 노광된 부분에 방전전극에 의해 대전된 제1형광체를 부착시키며, 제2 및 제3형광체에 대해서도 각각 소망의 배열로 상기 대전단계, 노광단계 및 부착단계를 반복하고 나서 그 형광체들을 솔벤트증기를 쪼여 고착시켜 형성된 형광면을 지니는 것을 특징으로 하는 음극선관.A volatile ultraviolet photoconductive film containing a material sensitive to ultraviolet rays is formed on the volatile conductive film coated on the inner surface of the panel, a visible light conductive film is formed on the ultraviolet light conductive film, and a + DC electrode is applied to the visible light conductive film. After applying the -DC electrode to the conductive film, the visible light photoconductive film is exposed to visible light over the entire surface, so that a uniform electrostatic charge is applied to the visible light conductive film, and the ultraviolet light conductive films are selectively selected from the ultraviolet light source to the ultraviolet light. After exposure, the first phosphor charged by the discharge electrode is attached to the exposed portion, and the charging step, the exposure step and the attaching step are repeated in the desired arrangement for the second and third phosphors, respectively, and then the phosphor Cathode ray tube, characterized in that having a fluorescent surface formed by cleaving the solvent vapor. ※ 참고사항 : 최초출원 내용에 의하여 공개되는 것임.※ Note: This is to be disclosed by the original application.
KR1019950010422A 1995-04-29 1995-04-29 Manufacturing method of crt screen and crt manufactured by thereof KR100202863B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
KR1019950010422A KR100202863B1 (en) 1995-04-29 1995-04-29 Manufacturing method of crt screen and crt manufactured by thereof
PCT/KR1996/000058 WO1996035222A1 (en) 1995-04-29 1996-04-27 AN ELECTROPHOTOGRAPHICALLY MANUFACTURING OF A LUMINESCENT SCREEN FOR CRTs
US08/814,255 US5827628A (en) 1995-04-29 1997-03-11 Method of electrographically manufacturing a luminescent screen assembly for a CRT and CRT comprising a luminescent screen assembly manufacturing by the method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950010422A KR100202863B1 (en) 1995-04-29 1995-04-29 Manufacturing method of crt screen and crt manufactured by thereof

Publications (2)

Publication Number Publication Date
KR960039088A true KR960039088A (en) 1996-11-21
KR100202863B1 KR100202863B1 (en) 1999-06-15

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