KR970030192A - Screen manufacturing method of cathode ray tube and color cathode ray tube using the method - Google Patents

Screen manufacturing method of cathode ray tube and color cathode ray tube using the method Download PDF

Info

Publication number
KR970030192A
KR970030192A KR1019950045268A KR19950045268A KR970030192A KR 970030192 A KR970030192 A KR 970030192A KR 1019950045268 A KR1019950045268 A KR 1019950045268A KR 19950045268 A KR19950045268 A KR 19950045268A KR 970030192 A KR970030192 A KR 970030192A
Authority
KR
South Korea
Prior art keywords
film
ray tube
cathode ray
photoconductive film
primary
Prior art date
Application number
KR1019950045268A
Other languages
Korean (ko)
Inventor
이민수
Original Assignee
엄길용
오리온전기 주식회사
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 엄길용, 오리온전기 주식회사 filed Critical 엄길용
Priority to KR1019950045268A priority Critical patent/KR970030192A/en
Publication of KR970030192A publication Critical patent/KR970030192A/en

Links

Landscapes

  • Formation Of Various Coating Films On Cathode Ray Tubes And Lamps (AREA)

Abstract

본 발명은 1차 형광체의 혼색현상을 제거하는 음극선관의 스크린제조방법과 그 방법을 이용하여 제조되는 칼라음극선관에 관한 것이다. 본 발명은 광전도막 위에 현상된 1차형광체가 그 광전도막에 고착되기 이전에, 그 광전도막을 다시 한번 더 대전시키고 노광 시킴으로써 타연역에 부착된 1차형광체를 원래의 현상영역으로 환원시킨 다음, 나머지 공정을 통상의 방법으로 수행하는 음극선관스크린의 제조방법과, 그 방법을 이용하여 제조된 칼라음극선관을 제공한다. 본 발명은 음극선관스크린의 혼색현상을 제거할 수 있고, 또한 고품위의 칼라음극선관을 얻을 수 있게 된다.The present invention relates to a screen manufacturing method of a cathode ray tube for removing mixed color phenomenon of a primary phosphor and a color cathode ray tube manufactured using the method. Before the primary phosphor developed on the photoconductive film is fixed to the photoconductor film, the primary phosphor attached to the other region is reduced to the original developing region by charging and exposing the photoconductor film once again. Provided are a method for producing a cathode ray tube screen in which the remaining steps are performed in a conventional manner, and a color cathode ray tube manufactured using the method. The present invention can eliminate the color mixing of the cathode ray tube screen, and also obtain a high quality colored cathode ray tube.

Description

음극선관의 스크린 제조방법과 그 방법을 이용한 칼라음극선관Screen manufacturing method of cathode ray tube and color cathode ray tube using the method

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

제6도(a)는 본 발명에 의한 1차형광체의 환원단계에서 재대전할 경우의 전하분포를 나타낸 개략도, (b)는 재노광시의 전하분포 및 그로 인한 1차 형광체의 환원원리를 설명한 개략도이다.Figure 6 (a) is a schematic diagram showing the charge distribution when recharging in the reduction step of the primary phosphor according to the present invention, (b) illustrates the charge distribution during re-exposure and thereby the reduction principle of the primary phosphor Schematic diagram.

Claims (6)

(1) 판넬의 내면에 전도막을 형성시키고, 그 전도막 위에 광전도막을 형성시키는 코팅단계;(1) a coating step of forming a conductive film on an inner surface of the panel and forming a photoconductive film on the conductive film; (2) 광전도막 위에 균일한 정전하를 대전시키는 대전단계;(2) a charging step of charging a uniform electrostatic charge on the photoconductive film; (3) 광전도막의 정전하를 선택적으로 방출시키기 위해 섀도우마스크를 통하여 빛을 쪼이는 노광단계;(3) exposing light through a shadow mask to selectively release the electrostatic charge of the photoconductive film; (4) 광전도막의 노광부분과 비노광부분 중 어느 하나의 영역에 형광체입자(또는 빛흡수물질)를 부착시키는 현상단계;(4) developing the phosphor particles (or light absorbing materials) on one of the exposed and non-exposed portions of the photoconductive film; (5) 나머지 형광체입자(또는 빛흡스물질)에 대하여, 상기의 (2)대전단계 내지 (4)현상단게를 반복수행하여 3색의 형광체입자 및 빛흡수물질을 모두 광전도막에 부착시키는 반복수행단계;(5) Repeat the above (2) charging step to (4) developing step with respect to the remaining phosphor particles (or light absorbing material) to repeat attaching all three phosphor particles and light absorbing material to the photoconductive film. step; (6) 광전도막에 현상된 3색의 형광체입자 및 빛흡수물질을 그 광전도막에 견고하게 고착(fixing)시키는 고착단계;(6) a fixing step of firmly fixing the three-color phosphor particles and the light absorbing material developed on the photoconductive film to the photoconductive film; (7) 3차 형광체입자 및 빛흡수물질이 견고하게 고착된 광전도막 위에 유기도료성분으로 얇은 유기파막을 형성하고 그 위에 알루마이징 시켜 알루미늄박막층을 형성하여 그 후 베이킹 시키는 후처리단계로 구성된 음극선관스크린의 제조방법에 있어서, 상기의 (4) 1차 형상단계 이후에 광전도막을 다시 대전시키고 광전도막의 1차 현상영역을 다시 노광시키는 1차형광체 입자의 환원단계를 추가로 포함하며, 그 이후 나머지 형광체입자(또는 빛흡수물질)에 대한(5) 반복수행단계로 진행되는 것을 특징으로 하는 음극선관스크린의 제조방법.(7) A cathode ray tube consisting of a post-treatment step of forming an aluminum thin film layer by forming an organic thin film on the photoconductive film to which the tertiary phosphor particles and the light absorbing material are firmly fixed, and then aluminizing the film. In the method of manufacturing a screen, the method further comprises the step of reducing the primary phosphor particles for recharging the photoconductor film and exposing the primary developing region of the photoconductor film again after the (4) primary shape step. Method for producing a cathode ray tube screen, characterized in that proceeds to the repeating step (5) for the remaining phosphor particles (or light absorbing material). 제1항에 있어서, 환원단계는 1차형광체가 광전도막에 고착되기 이전에 그 광전도막 전체를 다시 한번 더 대전시키고, 이어서 1차형광체의 현상영역을 다시 한번 더 노광시킴으로써 타영역에 부착된 1차형광체를 원래의 현상영역으로 환원시키는 것을 특징으로 하는 음극선관스크린의 제조방법.The method of claim 1, wherein the reducing step is performed by charging the entire photoconductor once again before the primary phosphor is fixed to the photoconductor film, and then exposing the developing region of the primary phosphor once more to the other region. A method for manufacturing a cathode ray tube screen, the method comprising reducing the fluorescent substance to the original developing region. 제1항 또는 제2항에 있어서, 환원단계는 1차형광체가 현상된 이후에 광전도막을 재 대전시키고, 재 대전된 광전도막을 1차 노광시와 동일한 방법으로 동일한 1차 노광영역에 노광시키는 것을 특징으로 하는 음극선관스크린의 제조방법.The method of claim 1 or 2, wherein the reducing step comprises recharging the photoconductive film after the primary phosphor is developed, and exposing the recharged photoconductive film to the same primary exposure area in the same manner as in the first exposure. Method for producing a cathode ray tube screen, characterized in that. 제4항에 있어서, 환원단계는 재노광된 후 전하준위가 높은 광전도막의 비노광영역으로부터 전하준위가 낮은 노광영역으로 전기력선이 발생하게 되고, 이로 인하여 비노광영역에 있던 1차형광체 입자가 전기적 반발력(force)에 의해 전하준위가 낮은 광전도막의 노광영역으로 이동됨으로써 수행되는 것을 특징으로 하는 음극선관스크린의 제조방법.5. The method of claim 4, wherein in the reduction step, after the re-exposure, electric field lines are generated from the non-exposure region of the photoconductor film having a high charge level to an exposure region having a low charge level. A method of manufacturing a cathode ray tube screen, which is performed by moving to an exposure area of a photoconductive film having a low charge level by force. 판넬의 내면에 전도막과 광전도막을 차례로 코팅시키고, 상기의 공전도막을 대전시키고 노광시킨 후 1차 형광체 입자를 현상시킨 다음, 현상된 광전도막전체를 다시 대전시키고 그 현상된 영역을 다시 대전시키며 이어서 대전-노광-현상단계를 순차적, 반복적으로 수행하여 상기 광전도막에 3색의 형광체 입자 및 빛흡수물질을 모두 현상시키고, 그 후 광전도막에 현상된 3색의 형광체 입자 및 빛흡수물질을 그 광전도막에 견고하게 고착시키며, 이어서 통상의 후처리공정 등을 거쳐 제조되어지는 것을 특징으로 하는 칼라음극선관.The inner surface of the panel is coated with a conductive film and a photoconductive film in turn, and after charging and exposing the above-described conductive film, the primary phosphor particles are developed, then the entire developed photoconductive film is charged again and the developed region is charged again. Subsequently, the charge-exposure-development step is performed sequentially and repeatedly to develop all three-color phosphor particles and light absorbing material on the photoconductive film, and then the three-color phosphor particles and light absorbing material developed on the photoconductive film are removed. A color cathode ray tube, which is firmly fixed to a photoconductive film and is then manufactured through a normal post-treatment process or the like. 판넬의 내면에 전도막과 광전도막을 차례로 코팅시키고, 상기의 광전도막을 대전시키고 노광시키며 1차 형광체를 현상시킨 후, 현상된 광전도막 전체를 다시 대전시키고 그 현상된 영역을 다시 노광시킨 다음, 1차 형광체를 광전도막에 견고하게 고착시키며, 이어서 대전-노광-현상-고착단계를 순차적, 반복적으로 수행하여 상기 광전도막에 나머지 형광체 및 빛흡수물질을 견고하게 고착시키며, 이어서 통상의 후처리공정 등을 거쳐 제조되어지는 것을 특징으로 하는 칼라음극선관.After coating the conductive film and the photoconductive film in order on the inner surface of the panel, charging and exposing the photoconductive film, developing the primary phosphor, then recharging the entire developed photoconductive film and exposing the developed region again. The primary phosphor is firmly fixed to the photoconductor film, and then the charge-exposure-development-fixing step is performed sequentially and repeatedly to firmly fix the remaining phosphor and the light absorbing material to the photoconductor film, followed by a conventional post-treatment process. A color cathode ray tube, which is produced through a back light.
KR1019950045268A 1995-11-30 1995-11-30 Screen manufacturing method of cathode ray tube and color cathode ray tube using the method KR970030192A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950045268A KR970030192A (en) 1995-11-30 1995-11-30 Screen manufacturing method of cathode ray tube and color cathode ray tube using the method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950045268A KR970030192A (en) 1995-11-30 1995-11-30 Screen manufacturing method of cathode ray tube and color cathode ray tube using the method

Publications (1)

Publication Number Publication Date
KR970030192A true KR970030192A (en) 1997-06-26

Family

ID=66593323

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019950045268A KR970030192A (en) 1995-11-30 1995-11-30 Screen manufacturing method of cathode ray tube and color cathode ray tube using the method

Country Status (1)

Country Link
KR (1) KR970030192A (en)

Similar Documents

Publication Publication Date Title
KR900010861A (en) Electrophotographic Manufacturing Method of Light Emitting Screen Assembly for Cathode Ray Tube
CZ14190A3 (en) Process of photoelectric manufacture of color picture tube luminescent screen
MY112009A (en) Method of manufacturing a luminescent screen for a crt
KR970030192A (en) Screen manufacturing method of cathode ray tube and color cathode ray tube using the method
KR100395317B1 (en) Method of manufacturing a black matrix for a cathode-ray tube
KR920704325A (en) Screen assembly device for color cathode ray tube and manufacturing method
KR970705827A (en) METHOD OF ELECTROPHOTO GRAPHICALLY MANUFACTURING A SCREEN ASSEMBLY FOR SCREEN ASSEMBLY
KR970030187A (en) Screen manufacturing method of cathode ray tube and color cathode ray tube using the method
TW326095B (en) Method of electrophotographic phosphor deposition
US3775116A (en) Method for making a phosphor screen of a cathode-ray tube
JPH10188806A (en) Black matrix applying method
US5750295A (en) Method for screening a panel of a color CRT
JPH0721914A (en) Method for forming luminous screen structure in electrophotographic way
KR960039086A (en) Screen manufacturing method of cathode ray tube and photoconductive coating solution used therein and cathode ray tube manufactured thereby
JPH0160831B2 (en)
KR960042827A (en) Method for manufacturing electrophotographic screen of cathode ray tube
KR960039088A (en) Screen manufacturing method of cathode ray tube and cathode ray tube manufactured thereby
KR960042818A (en) Method for Manufacturing Electrophotographic Screen of Cathode Ray Tube by Shadow Mask Electrode
US3905811A (en) Electrophotography using CRT exposure and liquid developer
KR960042815A (en) Method for manufacturing electrophotographic screen of cathode ray tube and photoconductive solution
KR960042831A (en) Electrophotographic Screen Manufacturing Method of Cathode Ray Tube and (Photo) Conducting Film Solution Used in It
US6165657A (en) Method of electrophotographically manufacturing a luminescent screen assembly for a CRT and a CRT comprising a luminescent screen assembly manufactured by the method
JPH09134671A (en) Black matrix, fluorescent face and these manufacturing processes
JPS59116763A (en) Multicolor recording device
KR970030148A (en) Method for manufacturing screen of cathode ray tube and cathode ray tube

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E601 Decision to refuse application