KR950000792B1 - Crt - Google Patents

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Publication number
KR950000792B1
KR950000792B1 KR1019910025441A KR910025441A KR950000792B1 KR 950000792 B1 KR950000792 B1 KR 950000792B1 KR 1019910025441 A KR1019910025441 A KR 1019910025441A KR 910025441 A KR910025441 A KR 910025441A KR 950000792 B1 KR950000792 B1 KR 950000792B1
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KR
South Korea
Prior art keywords
axis
panel
curvature
tangent plane
radius
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KR1019910025441A
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Korean (ko)
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KR930014716A (en
Inventor
안민호
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삼성전관 주식회사
김정배
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Priority to KR1019910025441A priority Critical patent/KR950000792B1/en
Publication of KR930014716A publication Critical patent/KR930014716A/en
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Publication of KR950000792B1 publication Critical patent/KR950000792B1/en

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/02Electrodes; Screens; Mounting, supporting, spacing or insulating thereof

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

Abstract

The tube reduces the screen distortion by making the panel curvature uniform. The tube forms the uniform curvature at any point on Y1,...,Yn and X1,...,Xn lines which are projected in parallel with the X axis or the Y axis on the curved surface.

Description

음극선관Cathode ray tube

제 1a 도는 음극선관 패널을 나타낸 개략도이고, b는 a의 장축을 따른 단면도이고, c는 a의 단축을 따른 단면도이다.1A is a schematic view showing a cathode ray tube panel, b is a cross-sectional view along the long axis of a, and c is a cross-sectional view along the short axis of a.

제 2a, b 도는 본 발명과 종래와의 비교, 그래프이다.2A and 2B are graphs and comparisons between the present invention and the related art.

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

1 : 패널 2 : 접평면(接平面)1 panel 2 tangent plane

본 발명은 음극선관에 관한 것으로서, 특히 그 내면에 형광스크린이 형성되어 화상이 표시되는 패널의 구조변경에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cathode ray tube, and more particularly, to a structure change of a panel in which a fluorescent screen is formed on an inner surface thereof to display an image.

종래의 패널구조를 제 1 도 및 제 2 도를 참조하면서 설명하면 다음과 같다.The conventional panel structure will be described with reference to FIGS. 1 and 2 as follows.

먼저 패널(1)중심에 접하는 접평면(2)를 규정해서 그 수직방향축인 패널 단축을 X축, 수평방향축인 패널장축을 Y축이라고 하고, 상기 X축과 평행한 접평면(2)상의 축들을 상기 패널(1)상에 투영시켜서 된 선들을 Y1,Y2,…,Yn이라고 하고, 상기 Y축과 평행한 접평면(2)상의 축들을 상기 패널(1)상에 투영시켜서 된 선들을 X1, X2,…,Xn이라 하자, 이러한 약정속에서 패널장축 방향인 상기 X2선의 패널단면이 제 1b 도에 도시되어 있는 바, 종래에는 상기 단면상의 각 임의점(A,B,C)에서의 곡률반경이 서로 다르게 형성되어 있다. 즉, 제 2a 도의 b,c에서와 같이 X2선상의 임의점에서의 곡률반경이 점차 커지거나 점차 작아지게 형성되어 있다. 또한 패널단축 방향인 상기 Y4선의 패널단면이 제 1c 도에 도시되어 있는 바, 상기 단면상의 각 임의점(D,E,F)에서의 곡률반경이 제 2b 도의 e,f에서와 같이 점차 커지거나 점차 작아지게 형성되어 있다. 그리고 상기 X2, X4선상의 임의점에서의 곡률반경이 점차 증가 또는 감소되게 형성되어 있는 것처럼 상기 X1, X2,…,Xn 및 상기 Y1,Y2,…,Yn 각 선상의 임의점에서의 곡률반경이 제 2 도의 b,c,e,f곡선처럼 패널 중심으로부터 가장자리로 갈수록 증가 또는 감소되는 방향으로 형성되어 있다.First, a tangent plane (2) in contact with the center of the panel (1) is defined, and a panel axis short as its vertical axis is referred to as the X axis, and a panel axis long as the horizontal axis is referred to as the Y axis, and an axis on the tangent plane (2) parallel to the X axis is defined. Projecting the lines on the panel 1 to produce the lines Y 1 , Y 2 ,... , Yn, and the lines formed by projecting the axes on the tangent plane 2 parallel to the Y axis onto the panel 1 are X 1 , X 2 ,... Let Xn, the panel cross-section of the X 2 line in the direction of the panel long axis at such a constant speed is shown in Figure 1b, the conventional radius of curvature at each arbitrary point (A, B, C) on the cross-section It is formed differently. That is, as shown in b and c of FIG. 2A, the radius of curvature at any point on the X 2 line is gradually increased or gradually decreased. In addition, the panel cross-section of the Y 4 line in the direction of panel shortening is shown in FIG. 1C, and the radius of curvature at each arbitrary point D, E, F on the cross section is gradually increased as in e, f of FIG. 2B. Or gradually become smaller. The radius of curvature at any point on the X 2 , X 4 line is gradually increased or decreased, and the X 1 , X 2 ,... , Xn and the Y 1 , Y 2 ,... The radius of curvature at any point on each of the Yn lines is formed in a direction in which the curvature radius increases or decreases from the center of the panel to the edges as shown in the b, c, e, and f curves of FIG.

이와 같이 종래에는 상기 X1, X2,…,Xn 및 Y1,Y2,…,Yn 각 선을 따르는 각 인접된 단면 임의점에서의 곡률의 변화가 불규칙적으로 일어나 화상이 왜곡되어 보이는 문제점이 있다.As described above, the X 1 , X 2 ,... , Xn and Y 1 , Y 2 ,... There is a problem that the image is distorted due to irregular change in curvature at each adjacent section random point along the Yn line.

본 발명은 상기의 문제점을 해결하기 위하여 안출된 것으로서 음극선과 패널의 구조를 변경하여 화면의 왜곡(歪曲)된 현상을 줄여 상품적 가치를 높이는데 그 목적이 있는 것이다.The present invention has been made to solve the above problems is to change the structure of the cathode ray and the panel to reduce the distorted phenomenon of the screen to increase the merchandise value.

상기 목적을 달성하기 위하여 본 발명은, 소정의 장단비를 갖는 장방향의 곡면 패널을 구비한 음극선관에 있어서, 상기 패널의 중심에 접평면을 규정해서 그 수직방향축인 패널단축을 X축, 수평방향축인 패널장축을 Y축이라 하고, 상기 X축과 평행한 접평면상의 축들을 상기 패널상에 투영시켜서된 선들을 Y1,Y2,…,Yn이라 하고, 상기 Y축과 평행한 접평면상의 축들을 상기 패널상에 투영시켜서된 선들을 X1,…,Xn 이라 하면, 상기 각 X1,…,Xn선상의 각 임의점(A,B,C)에서의 곡률반경이 같도록 형성하고, 상기 각 Y1,,…,Yn선상의 각 임의점(D,E,F)에서의 곡률반경이 같도록 형성한 것을 특징으로 한다.SUMMARY OF THE INVENTION In order to achieve the above object, the present invention provides a cathode ray tube having a curved panel having a long direction having a predetermined long ratio, wherein a tangent plane is defined at the center of the panel so that the panel short axis, which is the vertical axis thereof, is X-axis and horizontal. The panel long axis, which is the direction axis, is referred to as the Y axis, and the lines formed by projecting the axes on the tangent plane parallel to the X axis on the panel are Y 1 , Y 2 ,. , Yn, and the lines formed by projecting the axes on the tangent plane parallel to the Y axis on the panel are X 1 ,. , Xn, each X 1 ,... Are formed to have the same radius of curvature at each arbitrary point (A, B, C) on the Xn line, and the above Y 1 , .... And the curvature radii at the arbitrary points D, E, and F on the Yn line are the same.

본 발명의 특징에 의하면 상기 X1,X2,…,Xn 및 Y1,Y2,…,Yn 각 선상의 임의점에서의 곡률 반경이 같도록 형성하였으므로 왜곡현상이 없는 화면을 이루게 된다.According to a feature of the invention, the X 1 , X 2 ,. , Xn and Y 1 , Y 2 ,... Since the radius of curvature at any point on each of the Yn lines is the same, the screen is free of distortion.

이하 첨부된 도면을 참조하면서 본 발명에 따른 바람직한 일실시예를 제 1 도 및 제 2 도를 참조하면서 상세히 설명한다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to FIGS. 1 and 2 with reference to the accompanying drawings.

먼저 종래와 같은 패널(1)중심에 접하는 접평면(2)을 규정해서 그 수직방향 축인 패널단축을 X축, 수평방향축인 패널장축을 Y축이라고 하고, 상기 X축과 평행한 접평면(2)상의 축들을 상기 패널(1)상에 투영시켜서 된 선들을 Y1,Y2,…,Yn이라 하고, 상기 Y축과 평행한 접평면(2)상의 축들을 상기 패널(1)상에 투영시켜서 된 선들을 X1,X2,…,Xn이라 하자, 이러한 약정속에서 패널장축 방향인 상기 X2선을 따른 패널단면이 제 1b 도에 도시되어 있는 바, 본 발명에서는 상기 패널단면상의 각 임의점(A,B,C)에서의 곡률반경이 같게 형성하였다. 즉, 제 2a 도의 a와 같이 X2선상의 임의점에서의 곡률반경이 일정하도록 형성하였다. 또한 패널단축 방향인 상기 Y4선의 패널단면인 제 1c 도에 도시되어 있는 바, 그 단면상의 각 임의점(D,E,F)에서의 곡률반경이 제 2b 도의 d와 같이 일정하도록 형성하였다. 그리고 상기 X2, X4선상의 임의점에서의 곡률반경이 일정하도록 형성한 것처럼 상기 X1, X2,…,Xn 및 상기 Y1,Y2,…,Yn 각 선상의 임의점에서의 곡률반경이 일정하도록 형성하였다.First, the tangent plane (2) in contact with the center of the panel (1) as in the prior art is defined, and the panel short axis (the vertical axis) is called the X axis, and the panel long axis (the horizontal axis) is the Y axis, and the tangent plane (2) parallel to the X axis. The lines formed by projecting the axes of the image onto the panel 1 are Y 1 , Y 2 ,... , Yn, and the lines formed by projecting the axes on the tangent plane 2 parallel to the Y axis on the panel 1 are X 1 , X 2 ,. Let Xn, the panel cross-section along the X 2 line in the direction of the panel long axis at such a fixed speed is shown in Figure 1b, in the present invention at each arbitrary point (A, B, C) on the panel cross-section The radius of curvature was formed equal. That is, as shown in a of FIG. 2A, the radius of curvature at an arbitrary point on the X 2 line is formed to be constant. Further, as shown in FIG. 1C, which is a panel section of the Y 4 line in the panel short axis direction, the curvature radius at each arbitrary point D, E, and F on the cross section is formed to be constant as in d of FIG. 2B. X 1 , X 2 ,... As the curvature radius at any point on the X 2 , X 4 line is formed to be constant. , Xn and the Y 1 , Y 2 ,... The curvature radius at any point on each of the Yn lines is formed to be constant.

이상에서 설명한 바와 같이 본 발명에 따른 음극선관은 상기 패널(1)상의 X1, X2,…,Xn 및 Y1,Y2,…,Yn 각 선을 따르는 곡률반경이 일정하므로 인접단면 상호간의 곡률변화가 일정하여 화상의 왜곡이 거의 발생되지 않게 된다.As described above, the cathode ray tube according to the present invention includes X 1 , X 2 ,... , Xn and Y 1 , Y 2 ,... Since the curvature radius along each of the Yn lines is constant, the curvature change between adjacent sections is constant, and image distortion is hardly generated.

상술한 바와 같이 본 발명은 간단한 패널구조의 변경으로 화상의 왜곡이 거의 없는 화면을 제공하여 음극선관의 상품적 가치를 향상시키는데 효과적인 발명인 것이다.As described above, the present invention is an effective invention for improving the merchandise value of a cathode ray tube by providing a screen with little distortion of an image by changing a simple panel structure.

Claims (1)

소정의 장단비를 갖는 장방형의 곡면 패널을 구비한 음극선관에 있어서, 상기 패널(1)의 중심에 접하는 접평면(2)을 규정해서 그 수직방향축인 패널단축을 X축, 수평방향축인 패널장축을 Y축이라 하고, 상기 X축과 평행한 접평면(2)상의 축들을 상기 패널(1)상에 투영시켜서 된 선들을 Y1,Y2,…,Yn이라 하고, 상기 Y축과 평행한 접평면(2)상의 축들을 상기 패널(1)상에 투영시켜서 된 선들을 X1, X2,…,Xn이라 하면, 상기 각 X1, X2,…,Xn선상의 각 임의점(A,B,C)에서의 곡률반경이 같도록 형성하고, 상기 각 Y1,…,Yn선상의 각 임의점(D,F,F)에서의 곡률반경이 같도록 형성한 것을 특징으로 하는 음극선관.In a cathode ray tube having a rectangular curved panel having a predetermined length-to-length ratio, a tangent plane (2) in contact with the center of the panel (1) is defined so that the vertical axis of the panel is the X axis and the horizontal axis. The long axis is referred to as the Y axis, and the lines formed by projecting the axes on the tangent plane 2 parallel to the X axis on the panel 1 are Y 1 , Y 2 ,... , Yn, and the lines formed by projecting the axes on the tangent plane 2 parallel to the Y axis onto the panel 1 are X 1 , X 2 ,... , Xn, each of X 1 , X 2 ,... Each any point Xn line (A, B, C), and formed such that the radius of curvature is equal at each of the Y 1, ... And the curvature radius at each arbitrary point (D, F, F) on a Yn line is the same, The cathode ray tube characterized by the above-mentioned.
KR1019910025441A 1991-12-30 1991-12-30 Crt KR950000792B1 (en)

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KR1019910025441A KR950000792B1 (en) 1991-12-30 1991-12-30 Crt

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Application Number Priority Date Filing Date Title
KR1019910025441A KR950000792B1 (en) 1991-12-30 1991-12-30 Crt

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KR930014716A KR930014716A (en) 1993-07-23
KR950000792B1 true KR950000792B1 (en) 1995-02-02

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Publication number Priority date Publication date Assignee Title
KR100330147B1 (en) * 1998-09-19 2002-09-05 삼성에스디아이 주식회사 Cathode ray tube

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