KR930003220A

KR930003220A - Shadow Mask Type CRT

Info

Publication number: KR930003220A
Application number: KR1019920013573A
Authority: KR
Inventors: 료지 히타이; 유이찌 이우에
Original assignee: 카나이 쯔또무; 가부시기가이샤 히다찌세이사구쇼
Priority date: 1991-07-30
Filing date: 1992-07-29
Publication date: 1993-02-24
Also published as: FR2680045A1; FR2680045B1; KR950012697B1; CN1047688C; CN1070768A

Abstract

내용 없음.No content.

Description

Shadow Mask Type CRT

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명에 의한 섀도마스크형 컬러브라운관의 페이스플레이트패널의 정면도,1 is a front view of a face plate panel of a shadow mask type color tube according to the present invention;

제2도는 제1도에 도시한 페이스플레이트의 단면도로서,2 is a cross-sectional view of the face plate shown in FIG.

제2도 (a)는 선 X-X를 따라 절단한 단면도,2 (a) is a cross-sectional view taken along the line X-X,

제2도 (b)는 선 Y-Y를 따라 절단한 단면도,2 (b) is a cross-sectional view taken along the line Y-Y,

제3도는 본 발명에 의한 섀도마스크형 컬러브라운관의 페이스플레이트패널의 유효화면경계부의 단면도로서,3 is a cross-sectional view of an effective screen boundary of a face plate panel of a shadow mask type color brown tube according to the present invention;

제3도 (a)는 장축 X-X에 평행인 단변유효화면경계부를 따른 단면도,3 (a) is a cross-sectional view along a short side effective screen boundary parallel to the long axis X-X,

제3도 (b)는 단축 Y-Y에 평행인 장변유효화면경계부를 따른 단면도,3 (b) is a cross-sectional view along the long side effective screen boundary parallel to the short axis Y-Y,

제4도는 본 발명에 의한 섀도마스크형 컬러브라운관의 페이스플레이트패널 및 섀도마스크의 화면대각방향의 단면도.4 is a cross-sectional view of a face mask panel and a shadow mask of a shadow mask type brown tube according to the present invention in a diagonal direction.

Claims

In a shadow mask type color brown tube having a rectangular faceplate panel having an effective screen portion and a peripheral portion surrounding the effective screen portion, and having a long axis and a short axis, a curved shape of at least an outer surface of the face plate panel is rectangular. the long axis of the faceplate panel of the shaped X-axis, the speed-Y axis, when the tube axis, represented by a three-dimensional expression in the Z-axis, the long axis curved surface shape on the phase and speed-Z and Z _Y a Z _X = a ₁ X, respectively ² + A ₂ X ⁴ + A ₃ X ⁶ Z _Y = A ₄ Y ² + A ₅ Y ⁴ + A ₆ Y ⁶ and approximate to the point of the effective screen boundary that is the boundary between the effective screen and the periphery (X = At least the outer surface P _X and P _Y of at least the outer surface of the faceplate panel in X ₁ , Y = Y ₁ ) are respectively P _X = A ₁ X ₁ ² / (A ₁ X ₁ ² + A ₂ X ₁ ⁴ + A ₃ X ₁ ⁶ ) P _Y = A ₄ Y ₁ ² / (A ₄ Y ₁ ² + A ₅ Y ₁ ⁴ + A ₆ Y ₁ ⁶ ) Once, the integers A ₁ , A ₂ , A ₃ , A ₄ , 0.5 for A ₅ and A ₆ P _X (X = X ₁ ) 0.9 0.6 P _Y (Y = Y ₁ ) A shadow mask type color tube, characterized in that it is set to satisfy 1.0.

The curved surface of claim 1, wherein the curved surface of the short side effective screen boundary portion and the curved surface of the long side effective screen boundary portion of the outer surface of the face plate panel have an arc shape having substantially the same curvature. 2.0 (42.5 V + 45.0) when the effective diagonal diameter of the faceplate panel is set to V (inch) R Shadow mask type color tube characterized in that it satisfies 4.0 (42.5V + 45.0).

The shadow mask type color-brown tube according to claim 2, wherein the curved expression of the cross section in the diagonal direction of the shadow mask is not changed at least in the effective portion.

The shadow mask type color tube according to claim 2, wherein the quadratic curved surface in the diagonal direction of the shadow mask does not change to the periphery.

※ Note: The disclosure is based on the initial application.