KR940006967Y1 - Frame for fixing shadow mask of flat crt - Google Patents
Frame for fixing shadow mask of flat crt Download PDFInfo
- Publication number
- KR940006967Y1 KR940006967Y1 KR2019910021627U KR910021627U KR940006967Y1 KR 940006967 Y1 KR940006967 Y1 KR 940006967Y1 KR 2019910021627 U KR2019910021627 U KR 2019910021627U KR 910021627 U KR910021627 U KR 910021627U KR 940006967 Y1 KR940006967 Y1 KR 940006967Y1
- Authority
- KR
- South Korea
- Prior art keywords
- shadow mask
- panel
- frame
- support frame
- fixing
- Prior art date
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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
- H01J29/073—Mounting arrangements associated with shadow masks
-
- 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
- H01J2229/0722—Frame
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2229/00—Details of cathode ray tubes or electron beam tubes
- H01J2229/86—Vessels and containers
- H01J2229/8613—Faceplates
- H01J2229/8616—Faceplates characterised by shape
Landscapes
- Electrodes For Cathode-Ray Tubes (AREA)
Abstract
내용 없음.No content.
Description
제1도는 종래의 평면 브라운관을 나타낸 종단면도.1 is a longitudinal sectional view showing a conventional planar CRT.
제2도의 (a)는 종래 판넬과 지지프레임을 나타낸 사시도, (b)는 종래 판넬에 지지프레임이 형성된 상태의 사시도.Figure 2 (a) is a perspective view showing a conventional panel and a support frame, (b) is a perspective view of a state in which a support frame is formed on a conventional panel.
제3도는 종래 판넬의 지지프레임이 부착된 상태의 단면도.Figure 3 is a cross-sectional view of a conventional support frame attached to the panel.
제4도는 본 고안에 의하여 판넬에 프레임이 부착된 상태에서의 브라운관의 단면도.4 is a cross-sectional view of the CRT in a state where the frame is attached to the panel by the present invention.
제5도의 (a)(b)(c)는 본 고안 판넬에 프레임이 부착된 상태의 단면도.Figure 5 (a) (b) (c) is a cross-sectional view of the frame attached to the panel of the present invention.
* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings
1 : 판넬 2 : 그라스1: Panel 2: Grass
3 : 네크부 4 : 휀넬3: neck portion 4: chanel
5 : 전자빔 6 : 전자총5: electron beam 6: electron gun
7 : 새도우마스크 8, 10 : 지지프레임7: shadow mask 8, 10: support frame
9 : 형광체 10, 10' : 절곡부9: phosphor 10, 10 ': bend
본 고안은 평면 브라운관의 새도우마스크 고정프레임에 관한 것으로 특히 새도우마스크를 고정하는 프레임의 장착공정을 단순화 시킬 수 있도록 구성한 것이다.The present invention relates to a shadow mask fixing frame of a flat CRT, in particular configured to simplify the mounting process of the frame for fixing the shadow mask.
종래의 평면 브라운관의 새도우마스크 고정프레임을 제1도에 의하여 설명한다.The shadow mask fixing frame of the conventional flat CRT will be described with reference to FIG.
방폭특성을 유지시키기 위한 그라스(2)가 실리콘 접착재에 의하여 판넬(1)에 고정되고, 상기 판넬(1)에는 네크부(3)가 일체로 형성된 훤넬(4)이 고정되며, 상기 네크부(3)내에는 전자빔(5)이 부딪치는 판넬(1)에는 공극형상 또는 원형의 작은 구멍이 무수히 뚫린 새도우마스크(7)를 형성하며, 상기 새도우마스크(7)와 판넬(1)사이에 일정간격을 유지하기 위하여 지지프레임(8)의 프릿그라스(8')에 의하여 구성되었다.The glass 2 for maintaining the explosion-proof characteristics is fixed to the panel 1 by a silicone adhesive, and the panel 4 is fixed to the panel 4 having the neck portion 3 integrally formed thereon, and the neck portion ( 3) In the panel 1, which the electron beam 5 collides, a shadow mask 7 is formed in which numerous small holes in a void shape or a circular hole are formed, and a predetermined interval is formed between the shadow mask 7 and the panel 1. It was constructed by the fritgrass 8 ′ of the support frame 8 to maintain.
그리고, 판넬(1)의 내면에는 형광체(9)가 도포되어 있다.The phosphor 9 is coated on the inner surface of the panel 1.
따라서, 제1도에서와 같이 전자총(6)에 발사된 전자빔(5)은 전자편향장치에 의해 편향되어 색선별 역활을하는 새도우마스크(7)의 구멍을 통과한다.Accordingly, as shown in FIG. 1, the electron beam 5 emitted to the electron gun 6 passes through the hole of the shadow mask 7 which is deflected by the electron deflecting device and serves as color screening.
그리고, 새도우마스크(7)의 구멍을 통과하면서 소정의 형광체(9)를 여기시켜 빛을 방출한다.Then, a predetermined phosphor 9 is excited while passing through the hole of the shadow mask 7 to emit light.
이때, 새도우마스크(7)는 약 20∼30㎛ 두께를 가지며 일정한 장력으로 당겨진 후 레이저용접으로 지지프레임(8)에 고정된다.At this time, the shadow mask 7 has a thickness of about 20 ~ 30㎛ and is pulled to a constant tension and then fixed to the support frame 8 by laser welding.
그리고, 새도우마스크(7)에 일정한 장력을 사방으로 인가하여 주는 이유는 전자빔(5)의 새도우마스크(7)를 통해 판넬(1)로 갈때 20%만 새도우마스크(7)에 형성된 구멍을 통과하고 나머지는 새도우마스크(7)에 충돌함에따라 새도우마스크(7)가 열팽창하여 부풀어 오르게 하는 도핑현상을 막기 위한 것이다.The reason for applying a constant tension to the shadow mask 7 in all directions is that only 20% passes through the hole formed in the shadow mask 7 when going to the panel 1 through the shadow mask 7 of the electron beam 5. The rest is to prevent the doping phenomenon which causes the shadow mask 7 to expand and swell as it collides with the shadow mask 7.
즉, 새도우마스크(7)에 장력을 인가하여 일정한 장력으로 당긴 후 지지프레임(8)에 용접할 경우 브라운관의 동작시 전자빔(5)에 의한 새도우마스크(7)의 열팽창이 장력과 상쇄되므로서 브라운관의 색순도에 영향을 미치지 않게 된다.That is, when the tension is applied to the shadow mask 7 and pulled to a constant tension, and then welded to the support frame 8, the thermal expansion of the shadow mask 7 by the electron beam 5 during operation of the CRT cancels the tension and the CRT. It will not affect the color purity.
따라서, 전자총(6)에서 발사된 전자빔(5)을 판넬(1)의 안쪽에 도포된 형광체(9)에 여기시켜주기 위한 새도우마스크(7)를 판넬(1)에 고정하기 위해 제3도에 도시한 바와같이 V형상의 단면을 가진 지지프레임(8)의 내부에 프릿그라스를 충진시켜 융착시킨다.Accordingly, in order to fix the shadow mask 7 to the panel 1 to excite the panel 1 with the shadow mask 7 for exciting the electron beam 5 emitted from the electron gun 6 to the phosphor 9 coated on the inside of the panel 1. As shown in the figure, the frit glass is filled and fused to the inside of the support frame 8 having a V-shaped cross section.
이후 복합체를 또 다른 프릿그라스를 이용하여 판넬(1)의 안쪽면에 고정시킨 다음 새도우마스크(7)를 지지프레임(8)에 지지하거나 V형상의 세라믹프레임에 금속편을 프릿그라스로 결합시킨 후, 상기 결합체 안쪽에 프릿그라스를 이용하여 고정함으로써 작업공수를 증가시키는 등의 문제점이 있었다.After fixing the composite to the inner surface of the panel (1) using another frit glass, and then supporting the shadow mask (7) to the support frame (8) or to bond the metal pieces to the V-shaped ceramic frame with frit glass, There was a problem such as increasing the number of work by fixing the frit glass to the inside of the combination.
본 고안은 이러한 점을 감안하여 고안한 것으로서 지지프레임의 양단을 판넬의 내면에 매입 고정함으로써 작업공수를 줄일 뿐만 아니라 공정에서 제품의 불량이 발생하는 것을 방지할 수 있도록 하는데 목적이 있다.The present invention was devised in view of this point, and the purpose of the present invention is not only to reduce the labor but also to prevent the occurrence of product defects in the process by fixing both ends of the support frame to the inner surface of the panel.
본 고안 정면 브라운관의 새도우마스크 고정프레임을 제4도 및 제5도에 의하여 구성을 설명한다.The shadow mask fixing frame of the present invention front tube will be described with reference to FIGS. 4 and 5.
방폭특성을 유지시키기 위한 그라스(2)가 실리콘 접착제에 의하여 판넬(1)에 고정되고, 상기 판넬(1)에는 네크부(3)가 일체로 형성된 훤넬(4)이 고정되며, 상기 네크부(3)내에는 전자빔(5)을 판넬(1) 측으로 발사하기 위한 전자총(6)을 형성하고, 상기 전자빔(5)이 부딪치는 판넬(1)에는 공극형상 또는 원형의 가는 구멍이 무수히 뚫린 새도우마스크(7)를 형성하며, 상기 새도우마스크(7)와 판넬(1)의 사이를 유지해주는 지지프레임(10)의 양단을 판넬(1)에 매임고정하였다.The glass 2 for maintaining the explosion-proof characteristics is fixed to the panel 1 by a silicone adhesive, and the panel 4 is formed with the neck 4 formed integrally with the neck 3. 3) In the inside of the panel (1) to form an electron gun (6) for firing the electron beam (5) toward the panel 1 side, the shadow mask in which a number of pore-shaped or circular thin holes are drilled (7) was formed, and both ends of the support frame 10 to hold between the shadow mask (7) and the panel (1) was fixed to the panel (1).
그리고, 상기 지지프레임(10)이 판넬(1)에 매입되는 양단을 안쪽으로 절곡한 절곡부(10')와 바깥쪽으로 절곡한 절곡부(10") 등의 실시예에 의하여 매입고정하였다.Then, the support frame 10 was fixed by the embodiment, such as the bent portion 10 'bent inwardly both ends to be embedded in the panel 1 and the bent portion 10 "bent outward.
이와 같이 구성된 본 고안의 작용효과를 제4도 및 제5도에 의하여 설명한다.Effects of the present invention configured as described above will be described with reference to FIGS. 4 and 5.
본 고안은 전자통(6)에서 방출된 전자빔(5)이 다수의 구멍이 형성된 새도우마스크(7)를 통과한다.In the present invention, the electron beam 5 emitted from the electron cylinder 6 passes through the shadow mask 7 in which a plurality of holes are formed.
그리고, 통과된 전자빔(5)은 판넬(1)의 내면에 도포된 형광체(9)에 충돌하여 빛을 방출 시킨다.Then, the passed electron beam 5 impinges on the phosphor 9 coated on the inner surface of the panel 1 to emit light.
이와 같은 본 고안의 판넬(1)은 제5도에서 보는 바와 같이 지지프레임(10)의 양단을 판넬(1)내에 매입고정과 그 상단면을 평탄하게 그라인딩하여 새도우마스크(7)를 지지할 수 있도록 하였다.As shown in FIG. 5, the panel 1 of the present invention can support the shadow mask 7 by fixing both ends of the support frame 10 in the panel 1 and flatly grinding the upper end surface thereof. It was made.
따라서, 본 고안은 종래와 같이 프릿그라스를 사용하여 융착할 필요가 없기 때문에 융착시 발생하는 불량을 없앨 수 있고, 제조공정시 휠씬 단순화되는 유용한 고안이다.Therefore, the present invention does not need to be fused using frit glass as in the prior art, thereby eliminating the defects generated during fusion, and is a useful design that is greatly simplified during the manufacturing process.
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019910021627U KR940006967Y1 (en) | 1991-12-06 | 1991-12-06 | Frame for fixing shadow mask of flat crt |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019910021627U KR940006967Y1 (en) | 1991-12-06 | 1991-12-06 | Frame for fixing shadow mask of flat crt |
Publications (2)
Publication Number | Publication Date |
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KR930016100U KR930016100U (en) | 1993-07-28 |
KR940006967Y1 true KR940006967Y1 (en) | 1994-10-07 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR2019910021627U KR940006967Y1 (en) | 1991-12-06 | 1991-12-06 | Frame for fixing shadow mask of flat crt |
Country Status (1)
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KR (1) | KR940006967Y1 (en) |
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1991
- 1991-12-06 KR KR2019910021627U patent/KR940006967Y1/en not_active IP Right Cessation
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Publication number | Publication date |
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KR930016100U (en) | 1993-07-28 |
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