KR970071958A - Shadow mask for color cathode ray tube - Google Patents

Shadow mask for color cathode ray tube Download PDF

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Publication number
KR970071958A
KR970071958A KR1019960013074A KR19960013074A KR970071958A KR 970071958 A KR970071958 A KR 970071958A KR 1019960013074 A KR1019960013074 A KR 1019960013074A KR 19960013074 A KR19960013074 A KR 19960013074A KR 970071958 A KR970071958 A KR 970071958A
Authority
KR
South Korea
Prior art keywords
beam passing
length
ray tube
cathode ray
long side
Prior art date
Application number
KR1019960013074A
Other languages
Korean (ko)
Other versions
KR100192441B1 (en
Inventor
이재엽
Original Assignee
구자홍
Lg 전자주식회사
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 구자홍, Lg 전자주식회사 filed Critical 구자홍
Priority to KR1019960013074A priority Critical patent/KR100192441B1/en
Publication of KR970071958A publication Critical patent/KR970071958A/en
Application granted granted Critical
Publication of KR100192441B1 publication Critical patent/KR100192441B1/en

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Classifications

    • 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
    • H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
    • H01J29/06—Screens for shielding; Masks interposed in the electron stream
    • H01J29/07—Shadow masks for colour television tubes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2229/00—Details of cathode ray tubes or electron beam tubes
    • H01J2229/07—Shadow masks
    • H01J2229/0727—Aperture plate
    • H01J2229/075—Beam passing apertures, e.g. geometrical arrangements

Landscapes

  • Electrodes For Cathode-Ray Tubes (AREA)

Abstract

본 발명은 칼라 음극선관의 섀도우마스크에 관한 것으로서, 각 열을 이룬 빔통과공의 길이를 달리하여 장변의 가장자리 부분에서의 빔통과공 길이가 필요이상 짧아지지 않도록 함에 따라 섀도우마스크에 의해 패널면에 스크린을 형성할 때 장변의 가장자리 부분 스크린 요철이 심하게 발생되지 않도록 하고 이로 인해 음극선관 동작시 스크린의 전부분에서 화질이 깨끗해 지도록 한 것이다.The present invention relates to a shadow mask of a color cathode ray tube, in which the length of a beam passing hole formed in each row is different so that a length of a beam passing hole at an edge portion of a long side is not shortened more than necessary, When the screen is formed, the edge of the long side is prevented from being severely scratched by the screen, so that the image quality is cleaned from the entire portion of the screen during the operation of the cathode ray tube.

이를 위해 본 발명은 빔통과공이 동일간격을 두고 형성되어 수직 방향으로 복수개의 열을 이루는 것에 있어서, 장변 가장자리 부분에 위치한 모든 열의 빔통과공 길이가 정상적인 빔통과공 길이의 2/3 이상을 유지한 상태로 형성된 것이다.To this end, in the present invention, the beam passing holes are formed at equal intervals to form a plurality of rows in the vertical direction. In this case, the beam passing holes of all the columns located at the long side edge portions are maintained at 2/3 or more of the normal beam passing hole length .

Description

칼라 음극선관용 새도우마스크Shadow mask for color cathode ray tube

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is a trivial issue, I did not include the contents of the text.

제4도는 본 발명 칼라음극선관용 섀도우마스크를 나타낸 평면도, 제5도는 본 발명 칼라 음극선관용 섀도우마스크를 사용하여 패널에 스크린을 형성한 상태를 나타낸 평면도.FIG. 4 is a plan view showing a shadow mask for a color cathode ray tube of the present invention, FIG. 5 is a plan view showing a state where a screen is formed on a panel using a shadow mask for a color cathode ray tube of the present invention.

Claims (2)

빔통과공이 동일간격을 두고 형성되어 수직 방향으로 복수개의 열을 이루는 것에 있어서, 장변 가장자리 부분에 위치한 모든 열의 빔통과공 길이가 정상적인 빔통과공 길이의 2/3이상을 유지한 상태로 형성됨을 특징으로 하는 칼라 음극선관용 섀도우마스크.And the beam passing holes are formed at equal intervals so as to form a plurality of rows in the vertical direction, the beam passing holes of all the columns located at the long side edge portions are formed in a state of maintaining at least 2/3 of the normal beam passing hole length A shadow mask for a color cathode ray tube. 제1항에 있어서, 장변 가장자리 부분에 위치한 각 열의 빔통과공중 정상적인 길이(L)의 빔통과공보다 그 길이가 2/3이하인 빔통과공의 길이는 상기 2/3 이하인 빔통과공의 길이에 수직으로 연속해서 형성된 두개의 빔통과공 길이를 더한 길이합의 1/3이 되도록 함에 따라 장변 가장자리 부분에 위치한 모든 열의 빔통과공 길이가 정상적인 빔통과공 길이의 2/3이상을 유지하도록 함을 특징으로 하는 칼라 음극선관용 섀도우마스크.2. The apparatus according to claim 1, wherein a length of the beam passage hole having a length of 2/3 or less than a beam passage hole of a normal length (L) of a beam passing through each column located at a long side edge portion is 2/3 or less, The beam passing hole length of all the columns located at the edge portion of the long side is maintained to be 2/3 or more of the normal beam passing hole length by making the length of the beam passing holes formed in the vertical direction to be one third A shadow mask for a color cathode ray tube. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: It is disclosed by the contents of the first application.
KR1019960013074A 1996-04-26 1996-04-26 Shadow mask for crt KR100192441B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019960013074A KR100192441B1 (en) 1996-04-26 1996-04-26 Shadow mask for crt

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019960013074A KR100192441B1 (en) 1996-04-26 1996-04-26 Shadow mask for crt

Publications (2)

Publication Number Publication Date
KR970071958A true KR970071958A (en) 1997-11-07
KR100192441B1 KR100192441B1 (en) 1999-06-15

Family

ID=19456800

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019960013074A KR100192441B1 (en) 1996-04-26 1996-04-26 Shadow mask for crt

Country Status (1)

Country Link
KR (1) KR100192441B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100418035B1 (en) * 2001-05-31 2004-02-11 엘지전자 주식회사 Flat cathode-ray tube containing improved shadow mask

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100418035B1 (en) * 2001-05-31 2004-02-11 엘지전자 주식회사 Flat cathode-ray tube containing improved shadow mask

Also Published As

Publication number Publication date
KR100192441B1 (en) 1999-06-15

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