TH15536B - The method of plastering the electrically lit part of the cathode ray tube using photovoltaic organic surface layer. - Google Patents

Abstract

According to this invention, it will be a way to manufacture a set of backlit displays on the inner surface. Of faceplate 12 for colored CRT tubes 10 that consist of a process of surface coating The inside of the faceplate with volatile conductive organic solvents. To cause It is a conductive organic surface layer (OC) 32 and OC layer coating with organic solution. That conducts light energy that can evaporate To form a photovoltaic organic surface layer (OPC). 34 OPC layer coatings are applied to this OPC layer. Improved by small steps Of the surface grounding, OC arrangement has Which organic solution Photovoltaic conductivity (OPC) made up of resin. Materials that give electrons Materials that accept electrons And suitable solvent And spraying electrostatically charged droplets of OPC solution onto the OC layer with at least 47 electrostatic spray guns to form a uniform thick OPC surface layer that overlaps the OC surface layer. say

Claims (8)

1.How to manufacture a luminescent screen assembly for the surface cathode ray tube (CRT)? Inside of the viewing faceplate of the panel, which consists of the steps of a) the inner surface coating of the aforementioned face plate to form a 5th layer of conductive organic (OC) surface that can evaporate. ) Coating over the surface layer Such conductive organic (OC) to form a volatile photovoltaic organic surface layer (OPC) c) electrostatic charge to such photovoltaic integral layer (OPC) d). Exposure to selected areas of the organic skin layers that conduct photovoltaic (OPC) to light to create Is a charged or ionized image, and e) washing a charged image with at least one type of phosphorus material, with the improvement of In step b) there are sub-steps: i) the wiring of the conductive organic surface layer (OC); ii) the provision of photovoltaic organic solvents. Which consists of resin, a material that provides electrons Electron receiving material And a mixture of two solvents with different boiling points; and iii) spraying electrostatically charged droplets of the conductive organic solution. Electric power goes onto such conductive organic skin layers (OC) with at least a static spray gun. One to form a uniform-density photovoltaic (OPC) organic surface layer that overlaps the surface layer. Such conductive organic (OPC) 2. Method as stated in claim 1, where the solid part of the said solution Will be within the range of 6 to 9% by weight 3. Method as stated in claim 1, where the solid part of the solution Will be within the range 7 to 8% by weight 4. The method specified in claim 1, in which the two destroyer mixtures will include: One solvent with a low boiling point of approximately 111 ° C and a second solvent with a high boiling point of approximately 111 ° C. 5.The method is stated in claim 4, where low boiling point solvents contain toluene and high boiling solvents contain xylene. 6. Method as stated in claim 1, where organic solvents conduct photovoltaic It consists of a significant portion of approximately 4.8 to 7.2% by weight of polystyrene resin approximately 0.8 to 1.2% by weight of 2,4-DMPBT as the residual electron-electron-electron material. Will be a mixture of toluene and xylene 7. Method as stated in claim 6, in which toluene contained in the rest of the substance The solubility ranges from 18 to 75% by weight and xylene ranges from 75 to 18% by weight. 8. The methods described in claim 6 also contain approximately 0.3% DOP. By weight, which is a plasticizer And silicone number U-7602 amount 0.01% by weight Which is like a surface diffuser 9. The method is stated in claim 1, before step b) conductive organic surface layer (OC) as It is revealed to solvents having a high boiling point regardless of first by wetting the aforementioned surface (OC). Or by inducing the vapor pressure in the area close to the surface by using a solvent with a high boiling point 1 0. Method as stated in Clause 9, where the solvent with high boiling point is Sy Lean 1 1. How to manufacture a fluorescent screen assembly for a colored cathode ray tube (CRT) on the surface. Inside of the viewing page of the panel This consists of steps of a) coating the inner surface of the aforementioned viewing plate to form a surface layer. Volatile organic compounds (OC) and b) top coatings Such conductive organic matter (OC) to layer the skin. Volatile photovoltaic (OPC) sensitivities with light band sensitivity not lower than 550 nm. C) Electrostatic charge layer. D) Exposure to selected areas of photovoltaic organic layer (OPC) to light to generate photovoltaic (OPC) regions. D) Phosphor first emitting color, dry powder and electrically charged three angles; f) Repetition of the procedure c. And E, respectively, with the second and third phosphors, which are powdered places and are electrically charged at three angles to form a fluorescent display that It consists of a piece of a phosphor's three-angled image that emits a chalk), stabilizing the phosphor material on a layer. Such photovoltaic (OPC) organic surface (h) phosphor-based coating), adhesion of the aluminum substrate on it to form the screen assembly, and j). Curing the monitor unit at a higher temperature to capture the elements that could Evaporation of such things away The improvements in step B) will consist of The sub-steps are: k) Grounding of the conductive organic surface layer (OC) as such. L) Provision of a photovoltaic organic solution containing at least One resin Materials that provide electrons Electron receiving material And suitable solvent mixture With different boiling points and m) spraying electrostatically charged droplets of photovoltaic organic solvents. Go onto the conductive layer (OC) with a static spray gun, at least to achieve a layer of skin. Photovoltaic organic (OPC) of uniform thickness overlaying conductive organic surface (OC) is 1 2. Method as stated in claim 11, where the photovoltaic organic solution It consists of approximately 4.8 to 7.2% of polystyrene resin by weight of 2,4-DMPBT, which is approximately 0.16 to 0.42% electron-producing material. TNF and EAQ, which are electron receiving materials, the remainder are the first solvent mixture. And the second solvent 1 3. Method as described in claim 12, where the first solvent in the substance The remaining solute ranges from 18 to 75% by weight and the second solvent in the range 75 to 18% by weight 1 4. Method as stated in claim 12 which contains DOPs. Approximately 0.3% by weight, which is a plasticizer medium. And silicone number U-7602 0.01% by weight 1 5. Method as stated in claim 11, before step b) such conductive organic surface layer (OC) is exposed to contact with high boiling point solvents. Either by making the surface The conductive layer (OC) is wet before or by inducing a local vapor pressure. 1 6. Method as stated in Clause 15, where the high boiling solvent is xylene 1. 7. Method as stated in Clause 15. Clause 1 is also included after the procedure. E) There are additional minor steps as follows: f) Stabilization of the phosphor material on the floor. Such photovoltaic (OPC) organic materials, g), phosphor film coating, c) adhesion of the aluminum substrate on top of them to form the screen; and i) baking. The monitor at a higher temperature to expel Evaporation of the above 1 8. The method specified in claim 12, in which the first destructive agent is toluene. With a 111 C blood point and the second exacerbation is xylene with a 144 ํ boiling point.