JPS62100671U - - Google Patents

Info

Publication number
JPS62100671U
JPS62100671U JP19221485U JP19221485U JPS62100671U JP S62100671 U JPS62100671 U JP S62100671U JP 19221485 U JP19221485 U JP 19221485U JP 19221485 U JP19221485 U JP 19221485U JP S62100671 U JPS62100671 U JP S62100671U
Authority
JP
Japan
Prior art keywords
short axis
shadow mask
axis
light transmittance
slit
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
JP19221485U
Other languages
Japanese (ja)
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 filed Critical
Priority to JP19221485U priority Critical patent/JPS62100671U/ja
Publication of JPS62100671U publication Critical patent/JPS62100671U/ja
Pending legal-status Critical Current

Links

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図乃至第３図は本考案のシヤドウマスクの
一実施例を示す図であり、第１図はスリツト状透
孔を有するシヤドウマスクと各軸を示す説明図、
第２図は長軸及びこの長軸に平行な軸上の光透過
率を示す曲線図、第３図は短軸及びこの短軸に平
行な軸上の光透過率を示す曲線図、第４図乃至第
７図は従来のシヤドウマスクを示す図であり、第
４図はスリツト状透孔を有するシヤドウマスクと
各軸を示す説明図、第５図は短軸、長軸及び対角
軸上の光透過率を示す曲線図、第６図はスリツト
状透孔間の関係を示す説明図、第７図はむらの一
例を示す説明図である。 １，１１……スリツト状透孔、２，１２……シ
ヤドウマスク。 1 to 3 are diagrams showing an embodiment of the shadow mask of the present invention, and FIG. 1 is an explanatory diagram showing a shadow mask having a slit-like through hole and each axis,
Fig. 2 is a curve diagram showing the light transmittance on the long axis and an axis parallel to the long axis, Fig. 3 is a curve diagram showing the light transmittance on the short axis and the axis parallel to the short axis, and Fig. 4 is a curve diagram showing the light transmittance on the short axis and the axis parallel to the short axis. Figures 7 to 7 are diagrams showing conventional shadow masks, Figure 4 is an explanatory diagram showing a shadow mask having a slit-shaped through hole and each axis, and Figure 5 is an illustration of a shadow mask having a slit-shaped through hole and an explanatory diagram showing each axis. FIG. 6 is a curve diagram showing transmittance, FIG. 6 is an explanatory diagram showing the relationship between slit-like through holes, and FIG. 7 is an explanatory diagram showing an example of unevenness. 1, 11... slit-like through hole, 2, 12... shadow mask.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 長方形状をなし、短軸に沿つてスリツト状透孔
が穿設されてなるシヤドウマスクにおいて、前記
短軸上及びこの短軸に平行かつ等間隔離れた軸上
の光透過率がそれぞれ、ほぼ同一であり、かつ前
記短軸上の光透過率を１００％としたとき、この
短軸に直角な長軸の端縁近傍の光透過率が８０％
以上であることを特徴とするシヤドウマスク。 In a shadow mask having a rectangular shape and having slit-like through holes perforated along the short axis, the light transmittances on the short axis and on axes parallel to the short axis and equally spaced apart are approximately the same. , and when the light transmittance on the short axis is 100%, the light transmittance near the edge of the long axis perpendicular to the short axis is 80%.
A shadow mask characterized by the above.
JP19221485U 1985-12-16 1985-12-16 Pending JPS62100671U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19221485U JPS62100671U (en) 1985-12-16 1985-12-16

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19221485U JPS62100671U (en) 1985-12-16 1985-12-16

Publications (1)

Publication Number Publication Date
JPS62100671U true JPS62100671U (en) 1987-06-26

Family

ID=31147080

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19221485U Pending JPS62100671U (en) 1985-12-16 1985-12-16

Country Status (1)

Country Link
JP (1) JPS62100671U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998029891A1 (en) * 1996-12-25 1998-07-09 Kabushiki Kaisha Toshiba Color image receiving tube

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5399760A (en) * 1977-02-10 1978-08-31 Mitsubishi Electric Corp Color picture tube
JPS57151151A (en) * 1981-03-12 1982-09-18 Nec Corp Color picture tube
JPS58147941A (en) * 1982-02-26 1983-09-02 Hitachi Ltd Color cathode-ray tube

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5399760A (en) * 1977-02-10 1978-08-31 Mitsubishi Electric Corp Color picture tube
JPS57151151A (en) * 1981-03-12 1982-09-18 Nec Corp Color picture tube
JPS58147941A (en) * 1982-02-26 1983-09-02 Hitachi Ltd Color cathode-ray tube

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998029891A1 (en) * 1996-12-25 1998-07-09 Kabushiki Kaisha Toshiba Color image receiving tube

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