1356438 ν |·loo年·〇8月 六、發明說明： 【發明所屬之技術領域】 [0001] 本發明涉及一種場發射裝置，尤其涉及一種場發射像素 管。 【先前技術3 [0002] 奈米碳管（Carbon Nanotube，CNT)係一種新型碳材料 ，由日本研究人員Π j ima在1991年發現，請參見"Helical Microtubules of Graphitic Carbon", S. Iijima，Nature，vol.354，p56 ( 1991 )。奈求碳管 具有極大的長徑比（其長度在微米量級以上，直徑只有 幾個奈米或幾十個奈米），具有良好的導電導熱性能， 並且還有很好的機械強度和良好的化學穩定性，這些特 性使得奈米碳管成為一種優良的場發射材料。因此，奈 米碳管在場發射裝置中的應用成為目前奈米科技領域的 一個研究熱點。 [0003] [0004] 096147940 奈米碳管長線―超順排奈米碳料列製備出來的線狀 奈米碳管材料。首先，從超順排奈米碳管陣列抽出奈米 碳管薄膜，再經有機溶較縮成_狀或㈣轉的方法 擰成繩狀。這種線狀奈W管材料具衫韻尺度，對 其進行-聽作極為方便。這種奈米碳f長線的端面且 有报好的場發魏力，係—軌好料發㈣子源/、 場發射像素管係奈米碳管場發射電子源的—個重要應用 領域。先前的場發射像素管包括殼體，該殼體 =有-個出光部，該出光部的内壁依次塗覆有螢光粉層 和陽極層，該殼體内部與該出光部相對處有一陰極發射 表單編號A0101 第3頁/共28頁 1003309587-0 1356438 100 年.08 月： 體，該陰極發射體包括一夺半 --- 木％管長線作為場發射電子 源。當該場發射像素管工作眩 崎’在陽極層和陰極之間加 上電壓形成電場，通過電場作用使陰極發射體尖端發射 出電子’電子穿透陽極層轟擊蟄光粉層，發出可見卢。 這種先前的場發射像素管，由 A刼用在殼體出光部内壁 塗覆形成螢光層和陽極，受制# 又I傷工藝限制，一般具有較 大的體積》 [0005] 先前的具有奈米碳管陰極發射體的像素管在用作大型戶 外顯示器時’由於像素管體積較大，則組裝成大型戶外 顯示器後’分辨率較低1且，每個像素管需要一個獨 立的真空管，且僅為一個顯示像素單元，一個個獨立的 真空管的製造和封裝係一個耗時又耗成本的過程，因此 會提高該像《的制成本j外，切的具有奈米碳 管陰極發射體的像素管，由於製造過財陰極與陽極需 要準瑞對準，製造工藝難度本，良品率低。 [0006] 有鑒於此，提供一種分辨率較高，成本低廉，且，更易 於製造和應用的場發射像素管實為必要。 【發明内容】 [0007] 一種場發射像素管，其包括一殼體及多個顯示像素單元 間隔設置於該殼體内，所述殼體包括—出光部，其中， 每個顯示像素單元包括一陰極，至少一陽極，以及至少 一螢光粉層，該陰極包括至少一個陰極發射體，該陰極 發射體與陽極對應設置，該陽極為金屬桿並包括一端面 ，該端面相對於所述殼體的所述出光部，該營光粉層設 置於陽極端面上。 096147940 表單编號Α0101 第4頁/共28頁 1003309587-0 1356438 [0008] 100 年.23日 [0009] [0010] 相較於Μ技術，所述的場發射像素營旦優點 第一’該場發射像素管包括㈣知料單元且每個 顯不像素單元體積彳Μ、，故，組裝成大型戶外顯示器後 辨率較高。第二，該場發射像素管中，多個顯示像 素單元置於-個殼體内，且每個顯示像素單元中陰極盘 陽極無需精仙準，可以簡化製紅藝，降低製備成本 ’易於實現大規模生產使用。 :實施方式】 以下將結合附圖對本技術方案作進一步的詳細說明。 請參閱圖1，本技術方案第一實施例提供_種場發射像素 管100,包括一殼體136以及設置於該殼體136内的多個 顯示像素單元102，所述的多個顯示像素單元1〇2間隔一 定距離設置，且按照預定規律排列。每個顯示像素單元 102包括一陰極112、一陽極106、一陰極引線124、一陽 極弓丨線122和一螢光粉層110 »每個陰極丨丨2分別與—陽 極對應且間隔設置。該陰極11 2包括一陰極支樓體 114與一陰極發射體116 ’該陰極支撐體114的一端與陰 極發射體116—端電連接，陰極支撐體114的另一端通過 陰極引線124電連接到殼體136外。該陰極發射體116 與陽極106對應設置。該陽極1〇6包括一端面108，該螢 光粉層110至少設置在該陽極106的端面1〇8上。該陽極 遠離端面1〇8的另一端通過一陽極引線122電連接到 殼體136外。 [0011] 096147940 所述殼體136為一真空密封的結構。該殼體136正對陽極 1〇6的端面1〇8的部分為一出光部1〇4。該殼體136的材料 表單塢號Α0101 第5頁/共28頁 1003309587-0 1356438 — 100年.08月ϋ日梭正_頁 為一透明材料，如：石英石或玻璃。本實施例中，該殼 體136為一中空玻璃圓柱體，且該圓柱體直徑為2毫米至 1 〇毫米’長度為5毫米至1 〇〇厘米。可以理解，該殼體 136還可以係中空的立方體、長方體三棱柱其他多邊 形棱柱或V型、S型、w型、ζ型或其他形狀的透明管，本 領域技術人員可以根據實際情況進行選擇。 [0012] 所述顯不像素單元102在殼體136中可以有不同的排列方 式，如線性排列或按一定的陣列排列，本領域技術人員 可以根據實際情況進行設置。本實施例中，顯示像素單 元102為線性等距離排列在殼體136中。可以理解，當用 該場發射像素管1〇〇組裝大螢幕顯示器時，多個顯示像素 單元10 2之間的行距與列距要保持相等。 [0013] 所述陰極支撐體114為一導電體，如：金屬絲或金屬桿。 該陰極支撐體114形狀不限，且能夠導熱並具有一定強度 。本實施例中該陰極支撐體114優選為鎳絲。 [0014] 所述的陰極發射體116可以選自奈米碳管長線、單根奈米 碳管、單根奈米碳纖維或其他場發射電子源《本實施例 中，陰極發射體116優選為一奈米碳管長線。該奈米碳管 長線的長度為0. 1毫米至1〇毫米，直徑為1微米至丨〇〇微 米。該奈米碳管長線係由多個平行的首尾相連的奈米碳 管束組成的束狀結構或由多個首尾相連的奈米碳管束組 成的絞線結構，該相鄰的奈米碳管束之間通過凡德瓦爾 力緊密結合，該奈米碳管束中包括多個定向排列的奈米 碳管。該奈米碳管長線中的奈米碳管為單壁、雙壁或多 096147940 壁奈米碳管。該奈米碳管的長度範圍為10〜100微米 表單编號A0101 第6頁/共28頁 ，且 1003309587-0 |·1ΌΟ年月 〜米碳官尖端的直徑小於5奈米。當採用該奈米碳管長線 為陰極發射體116時，奈米碳管長線一端與陰極支撐體 114電連接，奈米碳管長線遠離陰極支撐體114的另一端 作為陰極發射體116的電子發射端12〇。該奈米碳管長線 〜嶙與陰極支撐體114的電連接方式可以為通過一導電膠 電連接，也可以通過分子間力或者其他方式實現。請參 見_2，制奈料管長線作為陰極發射體116時，陰極 勢射體11 6的電子發射端120可以係平整的端面或包括多 匈突出的場發射尖端3GG。當陰極發射體116的電子發射 啕120可以包括多個突出的場發射尖端3〇〇時場發射尖 鳴300的頂端突出有一根奈米碳㈣2。該奈米碳管3〇2 與其他遠離該場發射尖端300蚜頂端的奈米碳管緊密結合 ’使得該場發射尖端300的頂端的奈采碳管在場發射= 中產生的熱量可以很有效地被傳導出去，並且可以承受 =強的電場力。請參閱圖3及圖4，其分別為採用奈米= 管長線作為陰極發射體116時’陰極發射體116的電子發 射端120的掃描電鏡照片和電子發射端12Q的場發射尖端 3〇〇的透射電鏡照片。可以理解’本實施例採 長線作為陰極發射體U6，且該奈米峻營長線包^多個二 出的場發射尖端3G0，可以有效降低該陰極發射體ιΐ6的 電場屏蔽效應，獲得具有較大密度的場發射電漭。 [0015] 所述的陽極U)6為-導電體，如：金屬桿。該陽極1〇6形 狀不限，且能夠導熱並具有-定強度4實施例中陽 極106優選為銅金屬桿。_麵桿直徑物Q微米至以 米。可以稍，鋪金屬桿直徑可以根據實際需要選擇 096147940 表單編號A0101 第7頁/共28頁 1003309587-0 1356438 100年.08月2b日核正替換頁 。所述的端面108位於陽極106的一端，且與出光部104 對應設置，從而使電子發射端120靠近端面108設置。該 端面108為一拋光面，可以為平面、半球面、球面、錐面 、凹面或其他形狀端面。該拋光的端面108可以反射螢光 粉層110發出的光。 [0016] 所述的螢光粉層110設置在陽極106表面，優選為設置於 陽極106的端面108上。該螢光粉層110的材料可以為白 色螢光粉，也可以為單色螢光粉，例如紅色，綠色，藍 色螢光粉等，當電子轟擊螢光粉層110時可發出白光或其 他顏色可見光。該螢光粉層110可以採用沈積法或塗敷法 設置在陽極106的一端的端面108上。該螢光粉層110厚 度為5至50微米。不同陽極106的端面108可以設置相同 或不同顏色的螢光粉層110。可以理解，該螢光粉層110 還可以設置在整個陽極106上，但需要確保端面108上有 螢光粉層110。 [0017] 所述的陰極發射體116—端與陰極支撐體114電連接，遠 離陰極支撐體114的另一端，即電子發射端120，靠近陽 極106的端面108，且與陽極的106端面108間隔設置。請 參見圖5至圖8，可以使電子發射端120與陽極106的端面 108正對設置；可以使奈米碳管長線與金屬桿軸向成一銳 角，使電子發射端120與陽極106的端面108斜對設置； 可以使奈米碳管長線與金屬桿轴向互相垂直或平行，使 電子發射端120設置在陽極106的端面108附近。總之， 電子發射端120與陽極106的端面108設置的位置不限， 只需使電子發射端120與端面108的距離小於5毫米即可， 096147940 表單編號A0101 第8頁/共28頁 1003309587-0 1356438 1:00年.08月23日接正_頁 本領域技術人員可以依據實際情況設置。 [0018] 另外，該場發射像素管100進一步包括一位於殼體136内 的吸氣劑118，用於吸附場發射像素管内的殘餘氣體，維 持場發射像素管内部的真空度。該吸氣劑118可以為蒸散 型吸氣劑金屬薄膜，在殼體136封接後通過高頻加熱蒸鍍 的方式形成於殼體136的内壁上。該吸氣劑118也可以為 非蒸散型吸氣劑’設置在陰極支撐體114上。所述的非蒸 散型吸氣劑118的材料主要包括鈦、錯、铪、钍' 稀土金 屬及其合金。 [0019] [0020] 當該場發射像素管1〇〇工作時，在一陽極1〇6和一陰極 114之間加上電壓形成電場，通過電場作用使陰極發射體 116尖瑞即電子發射端120發射出電子，發射的電子到達 陽極106 ’爲擊陽極1〇6表面的登光粉層⑴，發出可見 光。其中’-部分可見光直接透過殼體136 一端的出光部 1_出’另~部分可見光則經過揚極1〇6端面⑽反射 後，透過忒體136一側的出光部104射出。 所述場發射像素管⑽包括多個顯示像素單元m，而且 二=象素單體積較小，方便的用來組裝 大型戶外H且組裝的大型戶外顯 置:外像素管 置於-個殼體136内，且每個顯 114與陽極U)6無需精確 ：102中陰極 製備成本。 # 了⑽㈣備X藝，降低 [0021] 請參間圖9，本技術方案第 —實施例還進 一步提供場發射 096147940 表單編號A0101 第9頁/共28 頁 1003309587-0 1356438 [0022] [0023] [0024] [0025] [0026] [0027] [0028] [0029] 0961479401356438 ν |·loo年·〇August 6. Description of the Invention: [Technical Field] [0001] The present invention relates to a field emission device, and more particularly to a field emission pixel tube. [Prior Art 3 [0002] Carbon Nanotube (CNT) is a new type of carbon material discovered by Japanese researcher j ima in 1991, see "Helical Microtubules of Graphitic Carbon", S. Iijima, Nature, vol. 354, p56 (1991). The carbon tube has a very large aspect ratio (its length is above the order of micrometers, only a few nanometers or tens of nanometers in diameter), has good electrical and thermal conductivity, and has good mechanical strength and good The chemical stability of these properties makes the carbon nanotubes an excellent field emission material. Therefore, the application of carbon nanotubes in field emission devices has become a research hotspot in the field of nanotechnology. [0003] [0004] 096147940 nano carbon tube long line - super-shunned nano carbon column prepared linear carbon nanotube material. First, the carbon nanotube film is taken out from the super-sequential carbon nanotube array, and then twisted into a rope shape by the organic solution being reduced to _ or (4). This linear navel tube material has a woven scale and is extremely convenient for listening to it. This kind of nano-carbon f long-line end face has a good field of application, such as Wei Li, the system-rail good material (four) sub-source, and the field emission pixel tube system carbon nanotube field emission electron source - an important application field. The previous field emission pixel tube includes a housing, the housing has a light-emitting portion, and the inner wall of the light-emitting portion is sequentially coated with a phosphor layer and an anode layer, and a cathode is emitted inside the housing opposite to the light-emitting portion. Form No. A0101 Page 3 of 28 1003309587-0 1356438 100 years. 08 months: Body, the cathode emitter consists of a half--- wood long tube line as a field emission electron source. When the field emission pixel tube operates glare, a voltage is applied between the anode layer and the cathode to form an electric field, and the cathode emitter emits an electron by the action of an electric field. The electron penetrates the anode layer and bombards the phosphor layer to emit visible luminosity. The previous field emission pixel tube is coated with a fluorescent layer and an anode by A 刼 on the inner wall of the light exit portion of the housing, and is subjected to a process limitation of a damage process, generally having a large volume. [0005] The pixel tube of the carbon nanotube cathode emitter is used as a large outdoor display. 'Because of the large size of the pixel tube, the resolution is lower after assembly into a large outdoor display. 1 and each pixel tube requires a separate vacuum tube, and For a single display pixel unit, the manufacture and packaging of individual vacuum tubes is a time consuming and costly process, thus increasing the appearance of the cathode carbon nanotube cathode emitter. The pixel tube, because of the manufacturing of the cathode and the anode, requires quasi-Ray alignment, the manufacturing process is difficult, and the yield is low. In view of this, it is necessary to provide a field emission pixel tube which is high in resolution, low in cost, and more easily manufactured and applied. SUMMARY OF THE INVENTION [0007] A field emission pixel tube includes a housing and a plurality of display pixel units spaced apart from the housing, the housing includes a light exiting portion, wherein each display pixel unit includes a a cathode, at least one anode, and at least one phosphor layer, the cathode comprising at least one cathode emitter, the cathode emitter being disposed corresponding to the anode, the anode being a metal rod and including an end surface opposite to the housing The light exiting portion is disposed on the anode end surface. 096147940 Form No. 101 0101 Page 4 / Total 28 Page 1003309587-0 1356438 [0008] 100 years. 23 [0009] [0010] Compared to the Μ technology, the field emission pixel has the advantage of the first 'this field The emission pixel tube includes (4) a knowing unit and each of the display pixel units is 彳Μ, so that the resolution is higher after assembly into a large outdoor display. Secondly, in the field emission pixel tube, a plurality of display pixel units are placed in a casing, and the anode of the cathode disk in each display pixel unit does not need to be refined, which can simplify the red art and reduce the manufacturing cost. Mass production use. Embodiments The present technical solution will be further described in detail below with reference to the accompanying drawings. Referring to FIG. 1 , a first embodiment of the present invention provides a field emission pixel tube 100 including a housing 136 and a plurality of display pixel units 102 disposed in the housing 136 . The plurality of display pixel units 1〇2 is set at a certain distance and arranged according to a predetermined rule. Each display pixel unit 102 includes a cathode 112, an anode 106, a cathode lead 124, an anode bow line 122, and a phosphor layer 110. Each of the cathodes 2 is disposed at an interval from the anode. The cathode 11 2 includes a cathode support body 114 and a cathode emitter 116'. One end of the cathode support 114 is electrically connected to the cathode emitter 116-end, and the other end of the cathode support 114 is electrically connected to the shell through a cathode lead 124. Outside the body 136. The cathode emitter 116 is disposed corresponding to the anode 106. The anode 1?6 includes an end face 108, and the phosphor layer 110 is disposed at least on the end face 1?8 of the anode 106. The other end of the anode away from the end face 1〇8 is electrically connected to the outside of the casing 136 via an anode lead 122. [0011] 096147940 The housing 136 is a vacuum sealed structure. The portion of the casing 136 facing the end face 1〇8 of the anode 1〇6 is a light exiting portion 1〇4. The material of the housing 136 Form No. Α0101 Page 5 of 28 1003309587-0 1356438 — 100 years. 08. The next day is a transparent material, such as quartz stone or glass. In this embodiment, the casing 136 is a hollow glass cylinder, and the cylinder has a diameter of 2 mm to 1 mm. The length is 5 mm to 1 cm. It can be understood that the housing 136 can also be a hollow cube, a rectangular parallelepiped prism or other polygonal prism or a V-shaped, S-shaped, w-shaped, ζ-shaped or other shaped transparent tube, which can be selected by those skilled in the art according to actual conditions. [0012] The display pixel units 102 may be arranged in different manners in the housing 136, such as linearly arranged or arranged in a certain array, and can be set by a person skilled in the art according to actual conditions. In this embodiment, the display pixel units 102 are linearly equidistantly arranged in the housing 136. It can be understood that when the large-screen display is assembled by the field emission pixel tube 1 , the line spacing and the column pitch between the plurality of display pixel units 10 2 are kept equal. [0013] The cathode support 114 is an electrical conductor such as a wire or a metal rod. The cathode support 114 is not limited in shape and is capable of conducting heat and having a certain strength. The cathode support 114 in the present embodiment is preferably a nickel wire. [0014] The cathode emitter 116 may be selected from the group consisting of a carbon nanotube long line, a single carbon nanotube, a single nano carbon fiber or other field emission electron source. In the present embodiment, the cathode emitter 116 is preferably one. Nano carbon tube long line. The length of the carbon nanotube long line is from 0.1 mm to 1 mm, and the diameter is from 1 μm to 丨〇〇 micrometer. The carbon nanotube long line is a bundle structure composed of a plurality of parallel end-to-end connected carbon nanotube bundles or a strand structure composed of a plurality of end-to-end connected carbon nanotube bundles, the adjacent carbon nanotube bundles Intimately coupled by van der Waals force, the carbon nanotube bundle includes a plurality of aligned carbon nanotubes. The carbon nanotubes in the long line of the carbon nanotubes are single-walled, double-walled or multi-096147940 wall-nanocarbon tubes. The length of the carbon nanotubes ranges from 10 to 100 microns. Form No. A0101 Page 6 of 28, and 1003309587-0 |·1ΌΟ年月~ The diameter of the tip of the carbon carbon is less than 5 nm. When the carbon nanotube long line is used as the cathode emitter 116, one end of the long carbon nanotube line is electrically connected to the cathode support body 114, and the other end of the carbon nanotube long line away from the cathode support body 114 serves as the electron emission of the cathode emitter 116. End 12〇. The electrical connection between the long carbon nanotubes of the carbon nanotubes and the cathode support 114 may be by a conductive adhesive connection, or by intermolecular force or other means. Referring to _2, when the long line of the tube is used as the cathode emitter 116, the electron-emitting end 120 of the cathode emitter 116 may be a flat end surface or a field emission tip 3GG including a plurality of Hungarian protrusions. When the electron emission enthalpy 120 of the cathode emitter 116 may include a plurality of protruding field emission tips 3, a nano carbon (four) 2 protrudes from the top end of the field emission squealing 300. The carbon nanotube 3〇2 is tightly coupled with other carbon nanotubes remote from the top end of the field emission tip 300蚜, so that the heat generated in the field emission of the carbon nanotube at the tip of the field emission tip 300 can be effective. The ground is conducted out and can withstand = strong electric field force. Please refer to FIG. 3 and FIG. 4, which are respectively a scanning electron micrograph of the electron emission end 120 of the cathode emitter 116 and a field emission tip of the electron emission end 12Q when the nanometer tube length line is used as the cathode emitter 116. Transmission electron micrograph. It can be understood that the length line of the present embodiment is used as the cathode emitter U6, and the nanometer battalion long-line package includes a plurality of two field emission tips 3G0, which can effectively reduce the electric field shielding effect of the cathode emitter ι 6 and obtain a comparison. Large density field emission. [0015] The anode U) 6 is a conductor, such as a metal rod. The anode 1 is not limited in shape and is capable of conducting heat and has a constant strength. 4 In the embodiment, the anode 106 is preferably a copper metal rod. _ face rod diameter Q microns to meters. Can be slightly, the diameter of the metal rod can be selected according to actual needs. 096147940 Form No. A0101 Page 7 / Total 28 Page 1003309587-0 1356438 100 years. August 2b nuclear replacement page. The end face 108 is located at one end of the anode 106 and is disposed corresponding to the light exiting portion 104 such that the electron emitting end 120 is disposed close to the end face 108. The end face 108 is a polished surface which may be a flat, hemispherical, spherical, conical, concave or other shaped end face. The polished end face 108 can reflect the light emitted by the phosphor layer 110. [0016] The phosphor layer 110 is disposed on the surface of the anode 106, preferably on the end surface 108 of the anode 106. The material of the phosphor layer 110 may be white fluorescent powder or monochromatic fluorescent powder, such as red, green, blue fluorescent powder, etc., when the electron bombards the fluorescent powder layer 110, it may emit white light or other Color visible light. The phosphor layer 110 may be disposed on the end face 108 of one end of the anode 106 by a deposition method or a coating method. The phosphor layer 110 has a thickness of 5 to 50 microns. The end faces 108 of the different anodes 106 may be provided with a phosphor layer 110 of the same or different colors. It will be appreciated that the phosphor layer 110 may also be disposed throughout the anode 106, but it is desirable to ensure that the phosphor layer 110 is present on the end face 108. [0017] The cathode emitter 116-end is electrically connected to the cathode support 114, away from the other end of the cathode support 114, that is, the electron-emitting end 120, close to the end face 108 of the anode 106, and spaced apart from the end face 108 of the anode 106. Settings. Referring to FIG. 5 to FIG. 8 , the electron emitting end 120 and the end surface 108 of the anode 106 may be disposed opposite to each other; the carbon nanotube long line may be axially formed at an acute angle to the metal rod, and the electron emitting end 120 and the end surface 108 of the anode 106 may be disposed. The oblique pair is disposed; the carbon nanotube long line and the metal rod may be axially perpendicular or parallel to each other such that the electron emission end 120 is disposed near the end surface 108 of the anode 106. In short, the position where the electron emitting end 120 and the end surface 108 of the anode 106 are disposed is not limited, and the distance between the electron emitting end 120 and the end surface 108 is less than 5 mm, 096147940 Form No. A0101 Page 8 / Total 28 Page 1003309587-0 1356438 1:00 years. August 23rd is connected to the positive page. The person skilled in the art can set according to the actual situation. In addition, the field emission pixel tube 100 further includes a getter 118 disposed in the housing 136 for adsorbing residual gas in the field emission pixel tube to maintain the vacuum inside the field emission pixel tube. The getter 118 may be an evaporable getter metal film formed on the inner wall of the casing 136 by high-frequency heating evaporation after the casing 136 is sealed. The getter 118 may also be provided on the cathode support 114 as a non-evaporable getter. The material of the non-evaporable getter 118 mainly includes titanium, erbium, niobium, tantalum rare earth metals and alloys thereof. [0020] When the field emission pixel tube 1 〇〇 operates, a voltage is applied between an anode 1 〇 6 and a cathode 114 to form an electric field, and the cathode emitter 116 is deflected by an electric field, that is, an electron emission end. 120 emits electrons, and the emitted electrons reach the anode 106' as a layer of light-emitting powder (1) on the surface of the anode 1〇6, emitting visible light. The portion of the visible light directly passes through the light exiting portion 1_ at one end of the casing 136. The other visible light is reflected by the end face (10) of the rising pole 1〇6, and then exits through the light exiting portion 104 on the side of the body 136. The field emission pixel tube (10) includes a plurality of display pixel units m, and the second pixel is small in size, and is convenient for assembling a large outdoor H and assembling a large outdoor display: the outer pixel tube is placed in a housing Within 136, and each display 114 and anode U) 6 need not be precise: the cathode preparation cost in 102. #了(10)(四)备艺艺,低 [0021] Please refer to Figure 9, the technical solution - the embodiment further provides field emission 096147940 Form No. A0101 Page 9 / Total 28 Page 1003309587-0 1356438 [0023] [0028] [0029] [0029] [0029] 096147940
100年08月日fe正春換頁I 像素官100的製備方法，具體包括以下步轉： 步驟一，提供一玻璃芯柱，該玻璃芯柱包括兩個金屬絲 分別作為陰極引線124與陽極引線122。 所述的玻璃芯柱進一步包括一玻璃將上述兩個金屬絲固 定並隔開，形成Η形狀玻璃芯柱。該金屬絲為可以實現和 玻璃熔封的材料，通常為杜美絲、鎢絲、鉬絲等。 步驟一，提供一金屬桿作為陽極106 ,並將該陽極1〇6與 上述陽極引線122—端電連接。 將作為陽極1 06的金屬桿的一端通過點焊技術與陽極引線 122端電連接。本技術方案實施例巾該金屬桿優選為 銅金屬桿’直;^為100微米至i厘米。將金屬桿的另一端 端面108拋光’該抛光端面1〇8可以為平面半球面球 面、錐面、凹面或其他形狀端面。步驟三’提供1光粉，並將該螢光粉設置於上述陽極 1〇6-端的端面108上，形成一營光粉層11〇。 將上述勞光粉採用塗敷或沈積的方法設置於陽極⑽抛光 的端面108。該螢光粉可以為白色勞光粉，也可以為單色 螢光粉，例如紅色’綠色，藍色螢光粉等。 步驟四’提供—金屬絲作為陰極支撐體"4，並將該陰極 支撐體"4與上述陰極引線124 一端電連接。 將陰極切體114錄極㈣124—端電糾的方法為點 焊法。本技術方案實施财，陰極切體114優選為錄絲 表單編號A0101 第丨0頁/共28頁 1003309587-0 1356438 [0030] [0031] [0032] [0033] [0034] [0035] [0036] 096147940 10_0;年,〇8為23曰接正_^頁 步驟五’提供一陰極發射體116，並將該陰極發射體116 與陰極支撐體114遠離陰極引線丨24的一端電連接，形成 一顯示像素單元1〇2。 陰極發射體116為奈米碳管長線，單根奈米碳管，單根奈 米碳纖維或其他場發射電子源。本實施例中，陰極發射 體11 6優選為奈米碳管長線。其中，該奈米碳管長線的長 度為〇. 1毫米至10毫米，直徑為】微米至1〇〇微米。奈米 碳官長線—端通過導電膠與陰極支撐體114 一端電連接， 另一端作為電子發射端12〇。該電子發射端120可以係一 平整的端面或包括多個突出的場發射尖端300。當使用奈 米碳S長線作為陰極發射體116時製備該陰極發射體 116具體包括以下步驟： 首先，提供-超順排奈米碳管陣列形成於—碎基板上。 其次，從上述超順排奈米碳管陣列中抽出一奈米碳管薄 膜或一奈米碳管絲，通過使用有機溶劑或者施加機械外 力處理該奈米碳管薄膜或者奈米碳管絲得到一奈米碳管 長線。 從超順排奈求碳管陣列中抽出一束奈米碳管時 ，相鄰的 奈米碳管由於凡德瓦爾力的作用而相互連接在一起而形 成一奈米碳管薄膜或一奈米碳管絲。本實施例中，也可 以採用杻轉紡紗技術製備一奈米碳管長線。 最後，使上述奈米碳管長線斷裂，從而得到一陰極發射 體 116。 上述使奈来碳管長線斷裂的方法為機械切割法或錯射燒 表單編號A0101 第11頁/共28頁 1003309587-0 1356438 [0037] [0038] [0039] [0040] 的玻璃管。封裝具體包 [0041] [0042] [0043]The preparation method of the pixel orientation 100 of the first spring of the year of the first year of the present invention includes the following steps: Step one, providing a glass core column comprising two wires as the cathode lead 124 and the anode lead 122, respectively. The glass stem further includes a glass to fix and separate the two wires to form a crucible-shaped glass stem. The wire is a material which can be melted with glass, and is usually Dumet wire, tungsten wire, molybdenum wire or the like. In the first step, a metal rod is provided as the anode 106, and the anode 1 is electrically connected to the anode lead 122. One end of the metal rod as the anode 106 is electrically connected to the anode lead 122 end by spot welding. The metal rod of the embodiment of the present invention is preferably a copper metal rod 'straight; ^ is from 100 micrometers to 1 centimeter. The other end face 108 of the metal rod is polished. The polished end face 1〇8 may be a planar hemispherical spherical surface, a tapered surface, a concave surface or other shaped end surface. In the third step, a light powder is provided, and the phosphor powder is placed on the end face 108 of the anode 1 - 6 end to form a camping powder layer 11 . The above-mentioned plaster is applied to the polished end face 108 of the anode (10) by coating or deposition. The phosphor powder may be a white plaster powder or a monochromatic phosphor powder such as red 'green, blue phosphor powder, or the like. Step 4' provides a wire as a cathode support "4, and electrically connects the cathode support "4 to one end of the cathode lead 124 described above. The method of recording the cathode (114) of the cathode body 114 (four) 124-end is a spot welding method. The technical solution is implemented, and the cathode cutting body 114 is preferably a silk drawing form number A0101. Page 0/28 pages 1003309587-0 1356438 [0030] [0033] [0036] [0036] 096147940 10_0; year, 〇8 is 23 曰 _ 步骤 步骤 步骤 步骤 ' ' ' ' ' 阴极 阴极 阴极 阴极 阴极 阴极 阴极 阴极 阴极 阴极 阴极 阴极 阴极 阴极 阴极 阴极 阴极 阴极 阴极 阴极 阴极 阴极 阴极 阴极 阴极 阴极 阴极 阴极 阴极 阴极 阴极 阴极 阴极 阴极 阴极Pixel unit 1〇2. The cathode emitter 116 is a long carbon nanotube tube, a single carbon nanotube, a single carbon fiber or other field emission electron source. In the present embodiment, the cathode emitter 11 6 is preferably a long carbon nanotube tube. Wherein, the long length of the carbon nanotube is from 1 mm to 10 mm, and the diameter is from μm to 1 μm. The carbon carbon long line-end is electrically connected to one end of the cathode support 114 through a conductive paste, and the other end serves as an electron-emitting end 12〇. The electron emitting end 120 can be a flat end face or include a plurality of protruding field emission tips 300. The preparation of the cathode emitter 116 when the nanowire S long line is used as the cathode emitter 116 specifically includes the following steps: First, an array of super-sequential carbon nanotubes is provided on the substrate. Next, a carbon nanotube film or a nano carbon tube wire is extracted from the super-aligned carbon nanotube array, and the carbon nanotube film or the carbon nanotube wire is treated by using an organic solvent or applying a mechanical external force. One nanometer carbon tube long line. When a bundle of carbon nanotubes is extracted from the super-shun-down carbon nanotube array, the adjacent carbon nanotubes are connected to each other by the action of van der Waals force to form a carbon nanotube film or a nanometer. Carbon tube wire. In this embodiment, a long carbon wire of a carbon nanotube can also be prepared by a twist spinning technique. Finally, the above long carbon nanotubes are broken to obtain a cathode emitter 116. The above method for breaking the long line of the nylon tube is a mechanical tube or a misfired form No. A0101, page 11 of 28, 1003309587-0 1356438 [0037] [0040] [0040]. Package specific package [0041] [0043]
[Ι0〇年.08月2·3日修正替I 祕斷法。奈米碳管長線斷裂後，在中斷點形成㈣電 子發射端120。其中’採用機械切割法得到的電子發射端 120為平整的端面。採用鐳射燒灼溶斷法得到的電子發 射端，20包括多個突出的場發射尖端編且每個場發射 尖端30G的頂端突出有—根奈米碳管3〇2。 步驟’、提供一玻璃管作為殼體咖，將多個上述顯示像 素單元叫封裝在玻璃管内，得到—場發射像素管1〇〇。 玻璃管為一端開口，另一端封口 括以下步驟： 首先將夕個上述顯不像素單Μ Μ通過管壁裝入該玻璃 管内’並對開口進行密封，密封時在密封處留—排氣孔 〇 將顯示像素單元1G2通過管壁裝人該玻璃管内時 ，使陰極 與陽極引線122固定在玻璃管《上，玻璃芯柱 的璃則位於玻璃督内以保證陰極11 2與陽極⑽位於同 絲笼内封裝後的顯示像素單元102按玻璃管長度方向 \距離排列。可以理解，也可以將多個顯示像素單 按…預疋陣列排列封褒於一殼體136内，得到一場 發射像素官副’如顯示像素單元1G2可以5x5排列。 其將該排氣孔外接真空泵，用以將殼趙136抽真空， 使殼體136内達到-定㈣ 最後密封排氣孔’得到所述場發射像素管100。 可以理解’在封裝上料發射像素管1GG前，進-步還可 096147940 表單編我ΑΟίοι 第12頁/共28頁 1003309587-0 [0044] [0044] 1356438. 以在場發射像素管l〇〇内設置 118設置於殼體136内壁。 •100%：08J 230^^^^ 吸氣劑118，該吸氣劑 之内 本領賴術人員可以根據上述方法製心㈣構的場發 射像素管100，都屬於本發明的保護範圍 [0045] 本實施例中，將多個顯示像素單元iG2封裝在—個殼禮 136中’簡化了製備工藝，降低了製備成本。另外 ，採# 機械切割法或鐳射燒灼賴法製備奈米碳管長線作為除 極發射體116，製備方法簡單，且陰極發射體⑴的電孑 發射端120中包括多個場發射尖端_，可以有效降低該 陰極發射體116的電場屏蔽效應。 [0046] 請參閱圖10，本技術方案第二實施例提供—種具有_彡 原色的場發射像素管200，該場發射像素管2〇〇的結構與 本技術方案第一實施例提供的場發射像素管1〇〇的結構基 本相同，包括一殼體204及設置於該殼體2〇4内的多個像 素單元202，所述的多個顯示像素單元2〇2間隔設置，真 按照預定規律排列。其區別在於，每個顯示像素單元2 〇 2 包括一個陰極212，三個陽極206以及分別設置於該三俩 陽極206端面的螢光粉層210。每個陰極212包括一個陰 極支撐體214和三個陰極發射體216，且每個陰極發射體 216與一陽極206對應設置。三個陰極發射體216的/端 與陰極支撐體214—端電連接。三個陰極發射體216成/ 夾角設置，優選為成120度夾角設置。三個陽極206墓三 角形設置，優選為呈等邊三角形設置，陰極212設置於三 角形中間》三個陽極端面上分別設置有紅色螢光粉層210 096147940 、綠色螢光粉層210和藍色螢光粉層210。本技術領威人 表單編號 A0101 第 13 頁/共 28 S 1003309587-0 1356438 100’年,08月23日修正辦作; 員可以理解，三個陽極206端面上可以設置相同或不同顏 色的螢光粉層210。 [0047] 綜上所述，本發明確已符合發明專利之要件，遂依法提 出專利申請。惟，以上所述者僅為本發明之較佳實施例 ，自不能以此限制本案之申請專利範圍。舉凡熟悉本案 技藝之人士援依本發明之精神所作之等效修飾或變化， 皆應涵蓋於以下申請專利範圍内。 【圖式簡單說明】 [0048] 圖1係本技術方案第一實施例的場發射像素管的結構示意 圖。[Ι0〇年.08月2·3日 Revision I I secret method. After the long carbon nanotube breaks, the (four) electron-emitting end 120 is formed at the interruption point. Wherein the electron-emitting end 120 obtained by the mechanical cutting method is a flat end face. The electron emitting end obtained by the laser cauterization method, 20 includes a plurality of protruding field emission tips, and the top end of each field emission tip 30G protrudes with a carbon nanotube 3〇2. In the step of providing a glass tube as a casing, a plurality of the above-mentioned display pixel units are packaged in a glass tube to obtain a field emission pixel tube. The glass tube is open at one end, and the other end is sealed by the following steps: First, the above-mentioned display pixel is inserted into the glass tube through the wall of the tube and seals the opening, and the seal is left at the seal - the vent hole 〇 When the display pixel unit 1G2 is loaded into the glass tube through the tube wall, the cathode and anode lead 122 are fixed on the glass tube, and the glass stem is placed in the glass to ensure that the cathode 11 2 and the anode (10) are located in the same wire cage. The inner packaged display pixel units 102 are arranged in the length direction/distance of the glass tube. It can be understood that a plurality of display pixels can be arranged in a housing 136 in a pre-array array arrangement to obtain a field of emission pixels. The display pixel unit 1G2 can be arranged 5x5. The venting port is externally connected to a vacuum pump for evacuating the casing 136 to bring the inside of the casing 136 to a final (four) final sealing venting port to obtain the field emission pixel tube 100. It can be understood that 'Before the package is loaded with the pixel tube 1GG, the step-in step can also be 096147940. The form is edited by me ΑΟίοι Page 12/28 pages 1003309587-0 [0044] [0044] 1356438. The pixel tube is emitted in the field. The inner setting 118 is disposed on the inner wall of the housing 136. • 100%: 08J 230^^^^ getter 118, within the getter, the field emission pixel tube 100 can be made according to the above method, all of which belong to the protection scope of the present invention [0045] In this embodiment, encapsulating a plurality of display pixel units iG2 in a shell 136 simplifies the preparation process and reduces the manufacturing cost. In addition, the mechanical cutting method or the laser cauterization method is used to prepare the long carbon nanotube line as the depolarization emitter 116, and the preparation method is simple, and the electrophoresis emitting end 120 of the cathode emitter (1) includes a plurality of field emission tips _, The electric field shielding effect of the cathode emitter 116 is effectively reduced. [0046] Referring to FIG. 10, a second embodiment of the present invention provides a field emission pixel tube 200 having a primary color, a field emission pixel tube 2〇〇, and a field provided by the first embodiment of the present technical solution. The structure of the transmitting pixel tube 1 is substantially the same, and includes a housing 204 and a plurality of pixel units 202 disposed in the housing 2〇4. The plurality of display pixel units 2〇2 are spaced apart, and are actually scheduled. Regularly arranged. The difference is that each display pixel unit 2 〇 2 includes a cathode 212, three anodes 206, and a phosphor layer 210 disposed on the end faces of the three anodes 206, respectively. Each cathode 212 includes a cathode support 214 and three cathode emitters 216, and each cathode emitter 216 is disposed corresponding to an anode 206. The ends of the three cathode emitters 216 are electrically connected to the ends of the cathode support 214. The three cathode emitters 216 are disposed at an angle, preferably at an angle of 120 degrees. The three anodes 206 are arranged in a tomb triangle, preferably in an equilateral triangle, and the cathode 212 is disposed in the middle of the triangle. The three anode end faces are respectively provided with a red phosphor layer 210 096147940, a green phosphor layer 210 and blue phosphor. Powder layer 210. The technology leader form number A0101 page 13 / 28 S 1003309587-0 1356438 100 'year, August 23 revised work; the staff can understand that the three anodes 206 end face can be set with the same or different colors of fluorescent Powder layer 210. [0047] In summary, the present invention has indeed met the requirements of the invention patent, and the patent application is filed according to law. However, the above description is only a preferred embodiment of the present invention, and it is not possible to limit the scope of the patent application of the present invention. Equivalent modifications or variations made by those skilled in the art to the spirit of the invention are intended to be included within the scope of the following claims. BRIEF DESCRIPTION OF THE DRAWINGS [0048] FIG. 1 is a schematic structural view of a field emission pixel tube according to a first embodiment of the present technical solution.
II
[0049] 圖2係本技術方案第一實施例採用奈米碳管長線作為陰極 發射體的電子發射端放大示意圖。 [0050] 圖3係本技術方案第一實施例採用奈米碳管長線作為陰極 發射體的電子發射端的掃描電鏡照片。 [〇〇51]圖4係本技術方案第一實施例採用奈米碳管長線作為陰極 發射體的場發射尖端的透射電鏡照片。 [0052] 圖5至圖8係本技術方案第一實施例的陰極發射體與陽極 的位置關係示意圖。 [0053] 圖9係本技術方案第一實施例的場發射像素管的製備方法 的流程示意圖。 [0054] 圖10係本技術方案第二實施例的場發射像素管的結構示 意圖的俯視圖。 【主要元件符號說明】 096147940 表單編號A0101 第14頁/共28頁 1003309587-0 1356438 [0055] 場發射像素管： 100 [0056] 顯示像素單元： 102 [0057] 出光部：104 [0058] 陽極：1 0 6 [0059] 端面：108 [0060] 螢光粉層：110 [0061] 陰極：112 [0062] 陰極支撐體：114 [0063] 陰極發射體：116 [0064] 吸氣劑：118 [0065] 電子發射端：120 [0066] 陽極引線：122 [0067] 陰極引線：124 [0068] 殼體：136 [0069] 場發射尖端：300 [0070] 奈米碳管：302 [0071] 場發射像素管： 200 [0072] 顯示像素單元： 202 [0073] 殼體：204 096147940 表單編號A0101 第15頁/共28頁2 is an enlarged schematic view showing an electron-emitting end of a first embodiment of the present invention using a long carbon nanotube tube as a cathode emitter. [0049] FIG. 3 is a scanning electron micrograph of an electron-emitting end of a first embodiment of the present invention using a long carbon nanotube tube as a cathode emitter. [0050] FIG. Fig. 4 is a transmission electron micrograph of the field emission tip of the first embodiment of the present invention using a long carbon nanotube tube as a cathode emitter. 5 to FIG. 8 are schematic diagrams showing the positional relationship between the cathode emitter and the anode of the first embodiment of the present technical solution. 9 is a schematic flow chart of a method of fabricating a field emission pixel tube according to a first embodiment of the present technical solution. 10 is a plan view showing the structure of a field emission pixel tube of a second embodiment of the present technical solution. [Main component symbol description] 096147940 Form No. A0101 Page 14 of 28 1003309587-0 1356438 [0055] Field emission pixel tube: 100 [0056] Display pixel unit: 102 [0057] Light exit portion: 104 [0058] Anode: 1 0 6 [0059] End face: 108 [0060] Phosphor layer: 110 [0061] Cathode: 112 [0062] Cathode support: 114 [0063] Cathode emitter: 116 [0064] Getter: 118 [0065] Electron emission terminal: 120 [0066] Anode lead: 122 [0067] Cathode lead: 124 [0068] Housing: 136 [0069] Field emission tip: 300 [0070] Carbon nanotube: 302 [0071] Field emission pixel Tube: 200 [0072] Display pixel unit: 202 [0073] Housing: 204 096147940 Form No. A0101 Page 15 of 28
Idd年.08.月23日按正替赛br 1003309587-0 1356438 100年08月妁日梭正替換頁 [0074] 陽極：206 [0075] 螢光粉層：210 [0076] 陰極：212 [0077] 陰極支撐體：214 [0078] 陰極發射體：216 096147940 表單編號A0101 第16頁/共28頁 1003309587-0Idd year. 08. 23rd, according to the race br 1003309587-0 1356438 100 years August, the next day is the replacement page [0074] Anode: 206 [0075] Fluorescent powder layer: 210 [0076] Cathode: 212 [0077 Cathode Support: 214 [0078] Cathode Emitter: 216 096147940 Form No. A0101 Page 16 of 28 1003309587-0