KR920004041Y1 - Dry device of fluorescence film for crt - Google Patents
Dry device of fluorescence film for crt Download PDFInfo
- Publication number
- KR920004041Y1 KR920004041Y1 KR2019900001132U KR900001132U KR920004041Y1 KR 920004041 Y1 KR920004041 Y1 KR 920004041Y1 KR 2019900001132 U KR2019900001132 U KR 2019900001132U KR 900001132 U KR900001132 U KR 900001132U KR 920004041 Y1 KR920004041 Y1 KR 920004041Y1
- Authority
- KR
- South Korea
- Prior art keywords
- panel
- phosphor
- nozzle
- drying apparatus
- fluorescent film
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/20—Manufacture of screens on or from which an image or pattern is formed, picked up, converted or stored; Applying coatings to the vessel
- H01J9/22—Applying luminescent coatings
- H01J9/227—Applying luminescent coatings with luminescent material discontinuously arranged, e.g. in dots or lines
- H01J9/2271—Applying luminescent coatings with luminescent material discontinuously arranged, e.g. in dots or lines by photographic processes
- H01J9/2272—Devices for carrying out the processes, e.g. light houses
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2209/00—Apparatus and processes for manufacture of discharge tubes
- H01J2209/01—Generalised techniques
- H01J2209/012—Coating
- H01J2209/015—Machines therefor
Abstract
내용 없음.No content.
Description
제1도는 본 고안에 음극선관용 형광막 건조장치를 나타내는 요부 일부 절개 사시도.1 is a partial cutaway perspective view showing a main part of a fluorescent film drying apparatus for a cathode ray tube according to the present invention.
제2도는 본 고안의 작용상태를 나타내는 일부 단면도.2 is a partial cross-sectional view showing an operating state of the present invention.
제3도는 종래의 음극선관용 현광막 건조장치를 나타내는 일부 단면도.3 is a partial cross-sectional view showing a conventional display film drying apparatus for cathode ray tubes.
제4도는 패널의 건조상태를 설명하기 위한 도면이다.4 is a view for explaining the dry state of the panel.
* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings
1 : 노즐 2 : 경사부1: nozzle 2: inclined portion
3 : 안내판3: information board
본고안은 음극선관용 형광막 건조장치에 관한 것으로서, 더욱 상세하게는 형광체가 도포된 패널 안쪽면이 균일하게 건조되도록 하여 화질열화로 인한 불량율을 감소시킬 수 있는 음극선관용 형광막 건조장치에 관한 것이다.The present invention relates to a fluorescent film drying apparatus for a cathode ray tube, and more particularly to a fluorescent film drying apparatus for a cathode ray tube which can reduce the defect rate due to deterioration of image quality by allowing the inner surface of the panel coated with the phosphor to be uniformly dried.
칼라 음극선관은 패널의 내측면에 형광막을 형성함에 있어서, 형광막에 불순물이 혼입되지 않고 접착력이 용이하게 되도록 형광체를 도포하기 전에 불산및 순수로 패널 내면을 깨끗하게 세정한 후, 감광제를 도포 건조시키고 새도우스마스크를 개재하여 노광 현상하고 소정의 형광체를 도포하는 방법으로 더 상세하게는 새도우마스크를 개재하여 노광시하고 소정부위를 세정 제거하여 형성된 식각부를 건조하여 흑연 또는 형광체 슬러리를 도포하는 방법에 따라, 먼저 블랙매트릭스를 형성하고 난 다음, 하도액을 도포하고 건조하여 노광 현상, 그리고 형광체 슬러리 도포 및 건조를 3회 반복하여 녹, 청, 적색의 형광체 패턴을 얻게 된다.In the color cathode ray tube, in forming a fluorescent film on the inner surface of the panel, the inner surface of the panel is cleaned with hydrofluoric acid and pure water before application of the phosphor so that impurities are not mixed in the fluorescent film and the adhesive force is easy, and then the photosensitive agent is applied and dried. The exposure development is performed through a shadow mask and a predetermined phosphor is applied. More specifically, the exposure part is exposed through a shadow mask, and the etching portion formed by washing and removing a predetermined portion is dried to apply a graphite or phosphor slurry. First, a black matrix is formed, and then an undercoating solution is applied and dried to repeat the development of the exposure, and to apply and dry the phosphor slurry three times to obtain green, blue and red phosphor patterns.
상기한 과정중에 패널은 척킹수단에 의해 고속으로 회전하여 내측에 투여된 형광체 슬러리가 균일한 두께로 확산되게 하고, 또 한편으로는 별도 배치된 노즐에서 건조공기를 패널의 내측면으로 분사시켜 확산되는 형광체 슬러리가 건조되게 하고 있다.During the above process, the panel is rotated at a high speed by the chucking means so that the phosphor slurry administered therein is diffused to a uniform thickness, and on the other hand, the sprayed air is diffused by spraying the dry air to the inner side of the panel from a separately arranged nozzle The phosphor slurry is allowed to dry.
건조된 형광체 슬러리는 노광부위에 채워진 것만 남고 나머지는 세정 제거된다.The dried phosphor slurry remains only filled in the exposed part and the rest is washed away.
이렇게 얻어진 형광체 패턴의 위로 다시 유기수지 피막을 도포하고 알루미늄층 증착한후, 일괄 소성하여 상기한 유기수지 피막이 열분해 되게 함으로써 소망의 형광면을 얻게 된다.The organic resin film is applied again on the obtained phosphor pattern, the aluminum layer is deposited, and then collectively fired to thermally decompose the organic resin film, thereby obtaining a desired fluorescent surface.
제3도는 종래의 음극선관용 형광막 건조장치를 나타내는 일부 단면도로서, 모우터(A)에 의해 생성되는 건조한 공기가 배관(B)을 통하여 필터(C)를 통과한 후 노즐(D)에서 패널(P)의 내측면을 향해 붙어짐으로써 패널(P)의 내측면을 건조시키는 구성을 보여주고 있다.3 is a partial sectional view showing a conventional fluorescent film drying apparatus for cathode ray tube, wherein the dry air generated by the motor A passes through the filter C through the pipe B, and then the panel ( It shows the structure which dries the inner surface of panel P by sticking toward the inner surface of P).
이 장치에서 패널(P)은 척킹수단(E)에 의해 회전되기 때문에 그 내측면에 투여된 형광체 슬러리는 고르게 확산된다.In this apparatus, the panel P is rotated by the chucking means E, so that the phosphor slurry administered to its inner side is evenly spread.
그러나 상기한 바와같은 종래의 구성은 노즐(D)의 선단부에서 분사되는 건조공기의 영향이 패널(P)의 중앙부위가 그 주변부위보다 더 강하게 가해지게 된다.However, in the conventional configuration as described above, the influence of the dry air injected from the tip of the nozzle (D) is more strongly applied to the center portion of the panel (P) than the peripheral portion thereof.
따라서 패널(P)은 제4도에 나타낸 바와같이 화면중앙부(가)는 충분하게 건조되지만 그 주변부(나)에서 미건조부분이 남게 되는 단점이 있다.Therefore, the panel P has a disadvantage in that the center portion of the screen is sufficiently dried as shown in FIG. 4, but the undried portion remains in the peripheral portion (b) thereof.
상기한 미건조부위에 있는 형광체는 패널 내측면과의 접합력이 약해져서 세정시에 씻겨져 나가거나 인접 형광체와 혼재하게 되고, 이것은 화면 주변부의 색얼룩을 일으키는 가장 큰 원인의 하나로 되어 제품의 불량률을 높이는 요인이 되고 있다.The phosphor in the undried portion is weakened in the bonding strength with the inner surface of the panel and is washed off or mixed with the adjacent phosphor, which is one of the biggest causes of color staining on the periphery of the screen, thereby increasing the defective rate of the product. It is becoming.
본 고안은 상기한 바와같은 종래기술의 문제점을 해결하기 위하여 안출된 것으로서, 본 고안의 목적은 패널 내측면을 균일하게 전면 건조시킬 수 있는 음극선관용 형광막 건조장치를 제공하는데 있다.The present invention has been made to solve the problems of the prior art as described above, an object of the present invention is to provide a fluorescent film drying apparatus for cathode ray tubes that can uniformly dry the entire inner surface of the panel.
이를 위하여 본 고안은 노즐에서 회전되는 패널의 내측면으로 건조공기를 분사하여 상기한 패널의 내측면에 확산되는 형광체 슬러리가 건조되게 하는 형광막 건조장치에 있어서, 상기한 노즐의 분사공 내면에 선단이 굽혀져 경사부를 형성하고 있는 안내판을 설치하여 상기한 분사공을 통해 분사되는 건조공기가 상기한 경사부에 안내되어 패널의 주변부까지 확산되도록 구성하고 있음을 특징으로 한다.To this end, the present invention is a fluorescent film drying apparatus for spraying dry air to the inner surface of the panel rotated in the nozzle to dry the phosphor slurry diffused on the inner surface of the panel, the tip of the nozzle in the inner surface of the injection hole The guide plate is formed to be bent to form an inclined portion is characterized in that the dry air is injected through the injection hole is guided to the inclined portion is configured to diffuse to the peripheral portion of the panel.
이하, 본 고안의 바람직한 실시예를 첨부된 도면에 따라서 더욱 상세하게 설명한다.Hereinafter, preferred embodiments of the present invention will be described in more detail with reference to the accompanying drawings.
제1도는 본 고안의 음극선관용 형광막 건조장치를 나타내는 일부 절개 사시도로서, 부호(1)은 노즐을 나타내고 있다.1 is a partially cutaway perspective view showing a fluorescent film drying apparatus for a cathode ray tube according to the present invention, wherein reference numeral 1 denotes a nozzle.
상기한 노즐(1)의 분사공 내측에는 바깥쪽으로 경사진 경사부(2)를 선단부에 보유한 안내판(3)이 고정바아(4), (4')에 의해 고정되어 있다.The guide plate 3 which has the inclined part 2 inclined outward at the front end inside the injection hole of the said nozzle 1 is fixed by the fixing bars 4 and 4 '.
본 실시예에서는 상기한 안내판(3)이 단지 끝이 굽은 평판으로 되어 있으나 이에 한정되는 것은 아니며 예컨데 원호상의 안내판(3)으로도 적용 가능하다.In the present embodiment, the above-described guide plate 3 is merely a curved end plate, but is not limited thereto. For example, the guide plate 3 may also be used as a guide plate 3 in an arc shape.
이와같이 구성되는 본 고안은 제2도에 나타낸 바와같이 모우터(A)에 의해 생성된 건조공기(G)가 필터(C)를 통과하여 노즐(1)내로 진입되면 일부는 패널(P)의 중앙부를 집중적으로 접촉하게 되고, 나머지 일부는 안내판(3)의 선단측 경사부(2)에 안내되어 패널(P)의 주변부를 향하여 보다 멀리 분사된다.The present invention constructed as described above has a part in the center of the panel P when the dry air G generated by the motor A enters the nozzle 1 through the filter C as shown in FIG. Is concentrated, and the remaining part is guided to the tip side inclined portion 2 of the guide plate 3 and sprayed farther toward the periphery of the panel P.
이때 패널(P)은 척킹수단(E)에 의해 회전되는 것이므로 패널(P)의 내측면 전체에 걸쳐 건조공기가 골고루 확산 접촉하게 된다.At this time, since the panel P is rotated by the chucking means E, dry air is evenly spread and contacted over the entire inner surface of the panel P. FIG.
그러므로 본 고안 장치는 종래와는 달리 패널의 내측면에 확산되는 형광체 슬러리가 균일하게 건조되기 때문에 노광부위에 채워진 형광체는 패널의 내측면과 충분히 친화력을 갖고 달라 붙게 되므로 다음의 세정공정에서 씻겨 나가는 일이 생기지 않는다.Therefore, the device of the present invention, unlike the prior art, since the phosphor slurry diffused on the inner side of the panel is uniformly dried, the phosphor filled in the exposed part is sufficiently affinity with the inner side of the panel to be stuck and washed in the next cleaning process. This doesn't happen.
따라서 미진한 건조에 의해 막불량의 문제점을 근본적으로 해결하는 실용성을 얻게 해준다.Therefore, it is possible to obtain practicality that fundamentally solves the problem of film defects by poor drying.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019900001132U KR920004041Y1 (en) | 1990-01-31 | 1990-01-31 | Dry device of fluorescence film for crt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019900001132U KR920004041Y1 (en) | 1990-01-31 | 1990-01-31 | Dry device of fluorescence film for crt |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR910014660U KR910014660U (en) | 1991-08-31 |
| KR920004041Y1 true KR920004041Y1 (en) | 1992-06-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR2019900001132U KR920004041Y1 (en) | 1990-01-31 | 1990-01-31 | Dry device of fluorescence film for crt |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR920004041Y1 (en) |
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1990
- 1990-01-31 KR KR2019900001132U patent/KR920004041Y1/en not_active IP Right Cessation
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| Publication number | Publication date |
|---|---|
| KR910014660U (en) | 1991-08-31 |
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