TW516340B - AC type plasma apparatus for flat lamp and the manufacturing method thereof - Google Patents

Abstract

The present invention provides an AC type plasma apparatus for flat lamp and the manufacturing method thereof. The purpose of the invention is to simplify the manufacture and reduce the manufacture expense, and additionally, to increase image brightness and decrease the drive voltage of discharging. In the invention, the improved separate manufacture method and the structure of the dielectric layer and the fluorescent layer are used in LCD back light, the illumination flat panel light source and so on. The invented AC drive type plasma apparatus is composed of an upper plate and an lower plate, and is characterized in that the upper plate is formed by covering the transparent electrode having a thickness of several thousand angstroms and the protection layer on the glass substrate; the lower plate is the backside glass substrate manufactured by laser processing or the shaped mold, in which a discharging electrolyzing trough formed by several glass separation walls with a certain height is disposed on the backside glass substrate; the side planes and the bottom plane of the discharging electrolyzing trough are coated with white color fluorescent material; a metal electrode structure is deposited on the lower portion plane of the backside glass substrate; and the deposition plane of the transparent electrode and the protection film is opposite to the formation portion of the lower plate discharging electrolyzing trough. After melting the molding material to tightly seal the upper plate and the lower plate, air in the discharging electrolyzing trough is expelled immediately. Furthermore, the discharging gas is injected at the same time such that a sealing state is formed for the discharging electrolyzing trough.

Description

^ 340 [post: detailed description of the first one---- — _______]: clear purpose] L invention belongs to # ^ the present invention / the field and the conventional technology in the field] and it is more tolerant and reduced and Dielectric-plasma-mixed-cathode cathodes are strongly produced with time. I :: Guan Ying: Easy to install AC plasma on flat light source and reduce production =: & It is also to make the plasma device in operation. At the same time, in order to improve its screen resolution, the body layer and dm have been improved and their separation has been improved. The manufacturing method device and its appearance are shown after the application of flat-panel light sources: the sex j㊁m and the “same” with the same voltage To make its discharge gas active: beautiful again: more stable state and emit like aurora-the plasma device applied to the flat panel light source is to use the plasma to emit light, and then used in liquid crystal displays (LCD; Uquid crystal

Display) backlight, flat light source for lighting, etc. On the other hand, Fig. 1 is a cross-sectional view of a conventional plasma light source device applied to a flat panel light source. As shown in FIG. 1, generally, a plasma device for a flat-plate light source includes an upper plate (10) and a lower plate (15) that are fused and sealed with a sealing material (7), and a discharge electrolytic cell is provided in the inside. (8). The front part of the above-mentioned upper plate (10) is coated with a flat transparent electrode (2) such as a front glass substrate (1), and its back is coated with a 516340 I when a gas is discharged. V. Description of the invention (2): Three-wavelength white fluorescent layer structure that emits white light. At this time, since the front glass substrate (1) is located under the transparent electrode (2), the same capacity device as the PDp device also has the function of a dielectric. Furthermore, the aforementioned lower plate (1 5) means: a metal electrode (5) formed on the back glass substrate (4) by using silver solder paste and the like, and can store the electric charge during AC driving to limit the current flowing into the device, And the white light is reflected to the white dielectric layer (6) in the direction of the front glass substrate (1), and the white light emitting layer (3) which can emit three wavelengths of white light on the day of gas discharge. The resulting structure.

The upper plate (丨 0) and the lower plate (丨 5) having the above-mentioned structures are caused by gas discharge by melting, contacting and contacting through a sealing sealing material (7) mainly composed of transparent glaze glass, thereby forming a discharge. The electrolytic cell (8), after evacuating the air in the discharge electrolytic cell, injecting a mixed gas such as argon (Ar), mercury (Hg), neon (Ne), and xenon) mercury (Hg), the electricity for the flat-plate light source is completed. Jie Jun, at this time, when AC power is applied to the transparent electrode (2) and the metal electrode (5), the discharge gas in the discharge electrolytic cell (8) transmitted through b through the discharge phenomenon will be

^ I outside line, which excites the white camping light body (3), so that the white visible light is diffused to the outside of the front glass substrate (丨). X

As described by kt 剐 f, the conventional plasma light source device for flat light sources has a white phosphor (3) on the front glass substrate (1) and the back glass substrate (4) in order to have a certain shell degree of IL. ), So there are problems such as unnecessary praise and high production costs. In addition, the front glass substrate (丨) is used as a dielectric.

516340 V. Description of the invention (3) The thickness of the "A" is "A" because the height of the discharge electrolytic cell t is 1 · |, so in order to discharge the gas, about 1 kV must be added between the two electrodes. This is one of its disadvantages. In addition, since the impurities generated during the discharge between the white dielectric (6) and the metal electrode are generally gas-type, the useful life of the device is reduced, which is also one of its disadvantages. In terms of cooling, the plasma light source for flat light sources with a layered structure capacity device: ΐΐΐΐ; the driving voltage applied will make the substrates of the glass unsolvable: ;; electricity: and must reduce the function of the dielectric The height of the [electrode: solve the second problem, Λ release] electrolyzer. The clear solution; = various problems are designed and produced, and the system of this invention ... is to use the modified drive electric purple device and reduce the product system = fee input =; ease of product production, and driving voltage. In order to improve the brightness of the screen and reduce the discharge [invention structure] In order to achieve the above-mentioned seed-driven plasma device, the special material & the flat panel light source of the present invention is sealed with AC, forming a discharge = will Second, the phenomenon of plasma discharge of hermetically sealed materials, the sixth part of the emitted light: the power is applied by the parent ", L power, in the partially driven electric water device through the front glass substrate, the upper plate is made of < thousands of A thickness The transparent electrode and the protective film 516340 II. Formation of the invention; 4 The glass substrate is formed; the transparent part of the glass substrate is placed on the transparent part of the glass substrate, and the two materials are tightly closed; the above-mentioned bright electrode layer protective film is separated from the glass wall by the above It is about // the outer electrode is made around the upper electrode of the glass substrate electrode layer, the above-mentioned sink is hidden on the transparent medium, the back surface is broken (4), and the direction of the lower bright electrode forming the electrolysis on the lower plate is closed. It is densely packed on the board only; other coatings on the back glass are about 'several millimeters left. With this method, the vacuum steam covers a part of the shape of the flow electrode. The shape of the electrode is divided into chromium or the substrate.

A white phosphor is coated on the side and bottom of a groove formed by discharge & grooves separated by multiple glass barriers after cutting or shaping the mold, and the back portion is formed by metal electrode evaporation. The structure, the bucket and the protective film evaporation surface and the lower plate of the discharge electrolytic cell shape 4 are facing each other. When the upper plate and the lower plate are densely ^ 1, the air in the discharge electrolytic cell is exhausted and injected into the sealed state. / On the transparent part of the bottom surface of the front glass substrate, the bus electrode is vapor-deposited on the bottom surface of the vapor-deposited glass substrate, and the above transparent electrode is ideal. The glass substrate has a height of about 5mm ^ right, and the above-mentioned 4 〇 〇 ____. ^ J back surface sealing discharge ^ has a height of about 2 ~ 3mm, and the interval to the right of the partition glass wall is optimal. The features of the flat panel light source used to form the upper and lower plates in the Ming Dynasty are the production process of the upper plate, which is divided into the stage of indium tin plating in front to form a transparent electrode layer; on the transparent metal mask or vacuum evaporation Aluminum is at a stage of being transparently formed into a bus electrode with a certain thickness; and is a stage of being covered with a metal mask, being vacuum-deposited with magnesium oxide, and having a protective film layer with a fixed thickness. The next step is a back glass substrate with a thickness of 4 or more; vacuum evaporation to form a metal electrode layer; "other surfaces, cut and processed to have a f-space of about 2 ~ 3mm, less 516340! 5. Description of the invention ( 5) Several discharge electrolytic cells with a width of several micrometers to several mm, and the stage of forming glass partition walls that can separate these grooves; and the white phosphor film is printed on the side of the glass partition wall and the bottom surface of the discharge electrolytic cell. Coating or firing by spraying or spraying. The protective film of the upper plate and the white phosphor of the lower plate are in a relative state. The upper plate and the lower plate made by the above method are sealed and sealed. After the materials are melted and tightly sealed, the discharge electrolytic cell is in a vacuum state, and a fixed pressure gas is injected to form a completely sealed state. I The ideal embodiment of the present invention will be described in detail with reference to the drawings added. I. The description is as follows. Fig. 2 is a cross-sectional view of a plasma display device for a flat light source in the present invention. I. As shown in Fig. 2, the upper plate (20) and the lower plate (25) of the present invention are sealed with a seal. 1 material (2 7) to seal And inside it is separated by a glass partition wall (3 1) to form several discharge electrolytic cells (30), and argon (Ar), helium (He), Structures such as neon (Ne), xenon (Xe), mercury i (Hg), and discharge caused by external power supply. The upper plate (20) is a front glass substrate (21) with a thickness of about 2 to 3 mm, | Thousands of transparent electrodes (22) made of indium tin oxide (in2O3: Sn) of thickness A and a bus electrode (23 > I) made of chromium (Cr) or aluminum (Ai) were vapor-deposited thereunder. A protective film (24) of magnesium oxide (Mg 0) with a thickness of several thousand A is formed under the transparent electrode (2 2). I The protective film (24) of (Mg〇) is radiated twice when the gas is discharged. Electrons, while reducing the discharge voltage, and by the ions generated during gas discharge, I prevent the front glass substrate (20) from abrasion. 516340 丨 V. Description of the invention (6) In addition, the area of the above-mentioned transparent electrode (2 2) If it becomes larger, as the resistance increases, the lower surface of the aforementioned front glass substrate (21) is coated with a transparent electrode (2 2) As shown in FIG. 2, a transparent electrode layer (22) is formed only in the visible light transmitting portion, and the above-mentioned bus electrode is formed in the surrounding portion, which can reduce the resistance between the electrodes and thus form good discharge characteristics.

On the other hand, the 'lower plate (25)' is a glass I partition wall (31) formed by cutting or molding (molding) on the upper part i of the rear glass substrate (26). A discharge electrolytic cell (30), the lower part of the back glass substrate | (26), a metal electrode layer with good light reflectivity, chromium (Cr) or inscription (A1) material, is deposited on the surface with thousands of constraints, And the above-mentioned glass substrate! (3 1) is composed of a structure in which the side surface and the bottom surface of each tank (discharge electrolytic cell) are coated with a white phosphor (2 9).

The back glass substrate (26) has a height of about 5 ram, and the height of the broken glass 丨 partition wall (31) and the discharge electrolytic cell (30) is about 3 to 4 bands. Compared with the dielectric layer, the discharge electrolytic cell (30) ) Has a higher height, and a slightly lower voltage has sufficient voltage for the discharge electrolytic cell (30) to drive it. '' In addition, the side of the glass partition wall (31) along the height and the bottom surface of the groove are widely coated with white phosphor, which can increase the A of the device screen.

The above-mentioned glass partition wall (31) has the function of supporting the upper plate (20) b, δ. When the discharge electrolytic cell (30) is vented, the (20) deformation occurs. "Can prevent the upper plate" The following is a description of the manufacturing method and effect of the electropolymerization device for a flat panel light source according to the present invention.

516340 1 V. Description of the invention (7) 丨 First, the manufacturing process of the upper plate (20) is about 3m 'on the right front glass substrate (21)' by vacuum evaporation with thousands of edges of indium tin oxide (In2) 〇3: | Sn) 'The transparent electrode layer (22) is formed. In addition, the transparent electrode layer (22) is covered with a metal mask, and then vacuum-deposited with chromium, (Cr), or aluminum (A1), and the bright electrode layer (2) on the front glass substrate (21). 2) forming a bus electrode (2 3) with a fixed thickness on the periphery. With the increase of the area of the transparent electrode layer (22), the resistance also increases, so i reduces the resistance generated by the transparent electrode layer (22) by the bus electrode (23), so that it has the function of maintaining good discharge characteristics . I, f, cover the metal mask to hide the above-mentioned bus electrode (23), and apply a layer of magnesium oxide (Mg0) to the true medical therapy, and form thousands of A # degrees on the transparent electrode layer (22). Protective film (24). On the other hand, the edge of the glass substrate (2 6) on which the lower plate is made is covered with chromium (C r) and aluminum (A 1) with good metal emissivity, (28). The weight is "a glass mask on the backside of 5mm thick" and vacuum-evaporated to form a metal electrode with a thickness of several thousand A. The other side of the glass substrate (26) without the metal electrode (28) is formed ^ Degree, force ^ 3mm, the interval between the grooves is about several hundred microns, and several grooves are cut by sandblasting to form several discharge electrolytic cells = 0) 丄: formed between the discharge electrolytic cells The width is about several hundred microns to several colors left = i is a glass partition wall (31) of 2 to 3 mm. Such a glass partition wall I7 makes it possible not to use a cutting method, but also to use a molding method (^ wdlng) to make a partition shape, and then inject the glass into the mold to make it into 516340. 5. Description of the invention (8) I and ' The white phosphor (29) is coated with a thick film printing method or a spray coating method on a side surface of a glass partition wall (3 1) and a bottom surface of a groove, and then fired into a lower plate (25). Take I to make the upper plate (20) and the lower plate (25) by the above method, and use a sealing sealing material with transparent I glaze glass as the main component to make it melt and tightly bond. I is discharged from the discharge electrolytic cell. Air, after injecting tens to hundreds of T0H argon | (Ar), helium (He), neon (Ne), xenon (Xe), mercury (Hg) and other mixed gas |, the electricity for flat panel light sources of the present invention is completed Pulp device.丨 If a high-voltage current of 30 kHz and 30 kHz is introduced between the transparent electrode (22) and the metal electrode (28) of the plasma device for a flat-plate light source, the white phosphor is excited by ultraviolet rays generated in the mixed gas by the discharge phenomenon (2 9), to obtain Bai Lu; color visible light. As described above, in the plasma device for a flat panel light source of the present invention, the metal electrode 1 (28) is formed under the back glass substrate (26), and the back glass substrate (26) has a function of a dielectric, and removes the The white dielectric layer (6) and the metal electrode (5) can prevent the generation of impure gas, so the cost of making the white dielectric material can be saved in production, thus reducing the production cost: compared with The thickness of the dielectric layer formed by the substrate and the protective film can be increased by the height of the discharge electrolytic cell, and the discharge voltage can be fully discharged even at a lower driving voltage. _ In addition, the white phosphor (2 9) is uniformly and uniformly coated on the side of the glass partition wall (31) and the bottom of the groove, thus forming a large fluorescent area, which can increase the brightness of the device to more than twice As the glass partition wall (3 1) formed inside has the function of supporting the upper plate (2 0), it is electrolyzing the discharge,

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516340 V. Description of the invention (9) The i-slot is used for exhausting the air, which can prevent the abrasion of the upper plate by atmospheric pressure. The present invention is not limited to the above-mentioned embodiments, and within the range allowed by the technical idea of the present invention, all of them can be used more widely and more flexibly. [Simplified description of the drawing] FIG. 1 is a cross-sectional view of a conventional AC plasma device applied to a flat light source; FIG. 2 is a cross-sectional view of an AC plasma device applied to a flat light source in the present invention. [Description of the symbols on the main part of the drawing] 1,2 1. Front glass substrates 2, 2 2. Transparent electrodes 3, 29. White phosphors 4, 2 6. Back glass substrates 5, 2 8. Metal electrodes 6. White Dielectric layer 7, 27. Sealing material 23. Bus electrode 31. Glass partition wall [Inventive effect] As described in the present invention, by removing the white dielectric and metal electrode in the discharge electrolytic cell, The formation of metal electrodes under the back glass substrate can not only prevent the generation of impurities in the discharge electrolytic cell, prolong the life of the device, but also increase the ease of production and reduce the product.

Page 13 516340 1 V. Description of Invention (ίο) | Funding for production. Furthermore, after the back glass substrate is cut or molded, a plurality of glass partition walls and discharge electrolytic cells having a considerable height are formed, and then a white phosphor is coated on the side surfaces and the grooves of the glass partition wall. The bottom of the electrode increases the formation area, and can still obtain a sufficient discharge effect even at a lower voltage, and also improve the brightness of the daytime surface.

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Claims (1)

516340 6. Scope of patent application | ίΐ. An AC-driven plasma device applied to a flat-plate light source, features | ί,; I lies in the formation of a discharge electrolytic cell after the upper plate and the lower plate are sealed through a sealing material. The input of the power supply can be irradiated with an AC-driven plasma device according to the condition of the plasma discharge. Among them, the above-mentioned upper plate is under the glass substrate and is transparent by thousands of A thickness. Electrode |;! I laminated structure with protective film; 1: the lower plate above is cut or shaped on the back glass substrate;! I is a discharge electrolysis separated by several glass partition walls The side and bottom of the discharge electrolytic i-tank are coated with white phosphors, and the back glass substrate | i is a structure formed by vapor deposition of a metal electrode; The formation part of the discharge electrolytic cell, the two are in a relative state. After the upper plate and the lower plate are tightly sealed through the sealing material I, the air in the discharge electrolytic cell is exhausted, the discharge gas is injected and added. Seal. 2. If the first invention of the patent application applies to an AC-driven plasma device for a flat-plate light source, the upper plate is only in the bottom surface of the front glass substrate, and the transparent part is vapor-deposited with a transparent electrode layer. A bus electrode is vapor-deposited on the bottom surface of the other front glass substrate, and the above-mentioned protective film is only coated on the transparent electrode layer. 3. If the first or second invention of the scope of the patent application is applied to an AC-driven plasma device for a flat-plate light source φ, the above-mentioned transparent electrode is made of indium tin oxide (In203: Sn). of. 4. The AC-driven plasma device applied to a flat light source, such as the first invention in the scope of patent application, is characterized in that the back glass substrate is provided with about 5 mm 516340: 6. The height of the right of the patent application range f, and the height of the glass partition wall is about 2 ~ 3mm, and the distance between the partition walls is about several hundred to several meters to the right.丨 · * If the application of the 丨 or 2 invention in the scope of the patent application is applied to a flat-plate light source ^ type driving plasma device, it is characterized in that the bus electrode and the gold electrode are made of chromium (Cr) or aluminum (A1) as Material. ^ 乂 A manufacturing method of an AC plasma device applied to a flat light source, which is composed of an upper plate and a lower plate, and an AC-driven plasma device for a flat light source. Divided into: the stage of vacuum deposition of indium tin oxide (1 ^ 2 03: Sn) on a glass substrate to form a transparent electrode layer; covering the transparent electrode layer with gold, a mask, vacuum evaporation of chromium or aluminum, and The stage where the electrode peripheral part is opened to form a fixed thickness bus electrode; the stage where the metal electrode is covered with a metal mask to hide the bus electrode. After vacuum evaporation of magnesium oxide, a solid protective film layer is formed on the transparent electrode layer. The lower plate process is divided into: one side of a back glass substrate having a thickness of 4 mm or more is electroplated with chromium or aluminum by vacuum evaporation to form a metal electrode, and the other side of the back glass substrate is Cutting process to form a large number of discharge electrolytic cells L & with a depth of I # 2 ~ 3π 与 ιη and a width of several hundred micrometers to several millimeters L & used to separate the glass partition walls of these slots; and on the side of the glass knife partition and The bottom surface of the discharge electrolytic cell is coated with a white dielectric by a thick film printing method or a spray coating method, and then is fired. Ji ^ # The protective film is in a relative position with the white dielectric system of the lower plate. The upper plate and the lower plate are melted and joined by the sealing sealing material, and the discharge gas is injected into the electrolytic cell at a predetermined pressure instead of the air in the lightning cell. 516340 I VI. Apply for patent scope and complete the sealing action. Page 17