200820304 九、發明說明： 【發明所屬之技術領域】 本發明揭示-種平面螢光燈結構，_是有關於 位於氣體放電腔内侧以及外侧之平面螢光燈結構。 电4 【先前技術】 近年來，-般電視的顯示螢幕漸以液晶顯示面板 panel)為线。由嫌晶赫面板本妓不具有發柄功能， 故在液晶顯示面板下方必須設置一背光模組加舰咖副 以提供光源，進而達到顯示的功能。市售電視 源係以多數的冷陰極管(CCFL)所組成，亦有200820304 IX. Description of the Invention: [Technical Field] The present invention discloses a planar fluorescent lamp structure, _ relating to a planar fluorescent lamp structure located inside and outside the gas discharge chamber. Electric 4 [Prior Art] In recent years, the display screen of a general television has gradually become a line of a liquid crystal display panel. Since the 晶 晶 晶 面板 妓 妓 妓 妓 妓 妓 面板 面板 面板 面板 面板 面板 面板 面板 面板 面板 面板 面板 面板 面板 面板 面板 面板 面板 面板 面板 面板 面板 面板 面板 面板 面板 面板 面板Commercial TV sources are made up of a large number of cold cathode tubes (CCFLs).
士卿作為光源者，而’由於CCFL或LED係為以忒J ，源:因此《要藉由背細組中的擴散板，才能達到發光均 勻的效果。 由於液晶顯示面板尺寸日漸增大，對於f光模組發光 ^度，求亦愈來愈高。另有以賴發光元件製成的平面榮$ i光鱗娜_，可符合背光模組對 1 f ί—種電聚發光元件，其主要是_介電層放 2生Ζ*人電子’與氣體放電腔中陰極與陽極之間的情 ^體產生她’並職體離子化激發以形成電漿。之後 ^破激發缝態原子纽放射料光的方式酬基態，而所 2之紫外光會進-步激發平面縣财的榮紐，以產Shi Qing as a light source, and 'because CCFL or LED system is 忒J, source: Therefore, it is necessary to achieve uniform illumination by the diffusion plate in the thin group. As the size of the liquid crystal display panel is increasing, the illumination of the f-light module is becoming higher and higher. In addition, the plane made of Lai light-emitting elements can be used to match the backlight module to 1 f ί---------------------------------------------------------------------------------- The situation between the cathode and the anode in the gas discharge chamber produces her 'concurrent ionization excitation to form a plasma. After that, the method of stimulating the state of the atomic radiation of the atomic state is used to compensate the ground state, and the ultraviolet light of the 2nd step will inspire the glory of the county county.
見光。 J ^1圖表示習知平面螢光燈之結構的剖面圖。請參照第i :知的平面榮光燈主要係由氣體放電腔⑽、螢光體102、 ，電氣體104、内部電極106以及介電層1〇8 電腔勘係由下基板勘a、上基板臟=邊條= 厅，、且成’邊條100c係配置於下基板1〇〇a與上基板1〇〇b之間， 200820304 =益板臟以及上基板刚b的邊緣連接，以構成一密 部』===== 擊而損壞。由第 ^係位於氣體放電腔卿之内壁上。氣體腔仿二U 放電氣體104，氣體K)4通常為Xe、Ne、&或^充 此外，榮光體102配置在氣體放電腔觸^ =之的基 ==:的表面上^^^ 子與議發射電 ====版:rf形成並將 多” f印刷來構成 、告^酿者=層網版印刷所構成的介電層厚度不易控制， 二不足光ί之間、或是單一平面螢光燈不同區域的亮 均。因此，習知的平面螢光燈，其電路設計的成 【發明内容】 因此’本發明的目的在於提供一種平面螢光燈，可減少因 200820304 產生介電層厚度的不均’藉此改善平面$光燈的 儿度及句勻度，且減少介電層材料使用量。 且勺 氣體體本?：二=，燈，其係由- 極所構成。氣體放ΐΐ係為固第-及第二電 J氣體。螢光體係配置於氣體放；之4的以2放 ，形成一電極對，且第一電極與第二電，丄== 位^ίίίϋ ί較佳實施例所述，該平㈣光燈的第一電極 iiii ^ 的放電區域較大，發光在不同平面’故該平面螢光燈 依據本發明的較佳實施例所述，該平面螢光燈的第 Sirrr及第二電極位於下==面= t於下基板外表面的第—電極亦可為—平面狀。 載美if ”較佳實_，該平讀紐更具有一承 ϊϊί =Ιί板外，以支持該平面$光燈。第—電極係位 拓μ表面’或疋位於承載基板之—表面且同時與下基 《蓋有介電 熱固化膠以進行貝= 有玻娜、陶究膠、W膠或 =本發_較佳實施例職，該平面螢光燈更包括一第 [it 板之外表面，或位赴基板之内表面且覆蓋有 =主一电極位於下基板的外表面，且第二電極位於下基 面且覆盖有介電層。由於第一、第二及第三電極係位 在不同平面，因此放電區域較大，可增進發光效率。 依據本發明的較佳實施例所述，該平面營光燈更具有一反 、台位於下基板之外侧，且第一電極係位於該下基板及該反射 200820304 層之間。基於本發明同一電極對位在不同平面的概念，第二電 極係位在反射層之外侧，因此放電區域較大，可增進發光效率。 【實施方式】 在本發明的所有實施例中，平面螢光燈之上下基板的「内 表面」係指上下基板面對氣體放電腔之表面，且上下基板的「外 表面」係指該内表面的相對表面。 第一實施例 第2圖表示依照本發明第一較佳實施例之平面螢光燈的 剖面圖。請參照第2圖，本實施例之平面螢光燈其主要係由 下费板300a、上基板300b、螢光體302、放電氣體：3〇4以 及複數個第一電極306及第二電極307所構成。其中下基板 300a以及上基板3〇〇b之間形成氣體放電腔3〇〇且填充有放電 氣體304 ;第一電極306位於下基板300a之外表面；第二電 極307係位在下基板3〇〇a之内表面且介電層3〇9覆蓋在第二 電極307上；以及螢光體302配置於氣體放電腔3〇〇之内壁。 在本實施例中，由於成對之電極3〇6及307係位在不同平 面，因此放電區域較大，可激發較多的放電氣體形成電漿能並 放出紫外光，進而增進發光效率。且相鄰之第二電極3〇6 g的 距離較大，故可減少對於介電層3〇9印刷精度的要求，且 介電層材料使用量。 在本實施例中，第一電極306及第二電極307可為線狀' 條狀、鋸齒狀、波浪狀或其他形狀。 在本實施例中，若第一電極306位在下基板3〇〇a之外 面且以A表示，第二電極307位在下基板300a之内表面且以 B表示，以及η表示電極對的重複數目，則第2圖所示之平 螢光燈之電極為(ΑΒΑΒ)η的排列。依據本發明之概念，成 極亦可為(ΑΒΒΑ)η、（ΑΑΒ)η、（ΒΒΑ)η的排列。 电 200820304 第二實施例 第3A圖表示依照本發明第二較佳實施例之平面螢光燈的 Μ面圖。st參^第3A圖’本實施例之平面螢光燈係由下基板 400a、上基板400b、螢光體402、放電氣體404、第一電 極406及第二電極407所構成。在本實施例中，下基板4〇〇a 以及上基板400b之間形成氣體放電腔4〇〇且填充有放電氣體 404 ’苐一電極406位於下基板4〇〇a之外表面；第二電極407 位在下基板400a之内表面且覆蓋有介電層4〇9 ;以及螢光體 402配置於氣體放電腔4〇〇之内壁。 # 第3B及3C圖表示依照本發明第二較佳實施例之平面螢 光—中，該第一電極變化的示意圖。在第3B及3C圖中，僅 列,下基板400a與第一電極406的變化，上基板4〇〇b之型態 與第3A圖相同故予以省略。在第3B圖中，第一電極4〇6& 一平面狀且位在下基板400a之外表面；以及第二電極4〇7位 在下基板400a之内表面呈條狀且覆蓋有介電層4〇9。在第3b 圖所不^第二電極407亦可為線狀、鋸齒狀、波浪狀或其他形 狀。在第3C圖中，第一電極406及第二電極4〇7係為一條狀 且彼此垂f，該二電極亦可為線狀、鋸齒狀、波浪狀或其他形 ，。在;本實施例中，由於成對的電極係在不同平面，因此放電 區域較大，可激發較多的放電氣體形成電漿態並放出紫外光， 進而增進發光效率。 弟二實施例 第4圖表示依照本發明第三較佳實施例之平面螢光燈的 剖面圖。第4圖所示的平面螢光燈包括下基板5〇〇a、上基板 500b、螢光體502、放電氣體5〇4、第一電極5〇6及第二電極 。在本實施例中，下基板500a以及上基板5〇〇b之間形成 氣體放電腔500且填充有放電氣體5〇4 ;第一電極5〇6位於下 基板5〇〇a之外_表面；以及第二電極507係形成在下基板5〇〇a 之内表面且覆蓋有介電層509 ;以及螢光體502配置於氣體放 200820304 電腔500之内壁。 在本實施例中，下基板500a之下方更配置有一承載基板 510’該承載基板51〇可任擇地以一黏著劑508與該下基板5〇〇a 貼合’以支持該平面螢光燈。 在本實施例中，第一電極506亦可先形成在該承載基板 510之一表面，該承載基板510再以該表面與下基板5〇〇a進 行貼合。黏著劑508可為玻璃膠、陶瓷膠、UV膠或熱固化膠。 在本實施例中，若第一電極506位在下基板500a之外表 面且以A表示，第二電極507位在下基板500a之内表面且以 B表示，以及n表示電極對的重複數目，則第4圖所示之平面 榮光燈的電極則為(ΑΒΑΒ)η的排列。依據本發明之概念，該電 極對之排列亦可為(ΑΒΒΑ)η、（ΑΑΒ)η、（ΒΒΑ>η。 第四實施例 第5圖表示依照本發明第四較佳實施例之平面螢光燈的 剖面圖。請參照第5圖，本實施例之平面螢光燈係由下基板 600a、上基板600b、螢光體602、放電氣體604、第一電極 606及第二電極607所構成。在本實施例中，下基板6〇〇a以 及上基板600b之間形成氣體放電腔6〇〇且填充有放電氣體 604;第一電極606位於下基板6〇〇a之外表面；第二電極6〇7 係位在下基板600a之内表面且覆蓋有介電層6〇9 ;以及螢光 體602配置於氣體放電腔6〇〇之内壁。 在本實施例中，該平面螢光燈更具有一第三電極611位於 上基板600b。如第5圖所示，該第三電極611位於上基板6〇〇b 之外表=。第三電極611亦可任擇地位於上基板⑻㈨的内表 面且覆蓋有介電層。在本實施例中，由於各電極係在不同平 面，因此放電區域較大，可激發較多的放電氣體形成電漿態並 放出紫外光，進而增進發光效率。 篇五實施例 第6圖表示為依照本發明第五較佳實施例之平面螢光燈 200820304 的剖面圖。請參照第6圖，本實施例之平面螢光燈係由下基板 700a、上基板70〇b、螢光體702、放電氣體704、第一電極 706、第二電極712以及反射層718所構成。在本實施例中， 下基板700a以及上基板700b之間形成氣體放電腔7〇〇且填充 有放電氣體704;第一電極706係位在下基板700a之外表面； • 螢光體702配置於氣體放電腔700之内壁·，反射層718之一表 面與下基板700a貼合並覆蓋第一電極706，以及反射層718 之另'一表面設有弟二電極712。 在本實施例中，由於成對的第一電極706及第二電極712 係位在不同平面上，可調整最佳介電電容，可激發較多的放電 ® 氣體形成電漿態並放出紫外光，且反射層718可將螢光體受紫 外光照射而激發的可見光反射至上基板7〇〇b，故可增進發光 效率。 在本實施例中，第一電極706及第二電極712可為線狀、 條狀、鑛齒狀、波浪狀或其他形狀，且第一電極與第二電 極712彼此可為平行或垂直。該第二電極712亦可為一平面 狀，類似於第7B圖所示的第一電極406。 〃 ^本實施例中，亦可在反射層718之下設置一承載基板， 如弟二實施例所述；或在上基板700b之任一表面設置一第三 • 電極，如第四實施例所述；或同時設置一承載基板以及一第^ 電極。 在本貫施例中，若第一電極706位在下基板7〇〇a之外表 面且以A表示，位在反射層718之外表面的第二電極712以b 表示，以及η表示電極對的重複數目，在第6圖所示之平面 光燈的電極對係為(ΑΒΑΒ)η的排列。依據本發明之概念，該電 極對之排列亦可為(ΑΒΒΑ)η、（ΑΑΒ)η或⑽Α)η。 在本發明的較佳實施例中，下基板300a、400a、50〇a、 600a、700a可為例如玻璃或陶瓷的介電材料且厚度較佳為 11 200820304 0.3-2 mm ;上基板 3〇〇b、400b、500b、600b、700b 可為例如 玻璃的透明材料且厚度較佳為0.3-5 mm;電極306、307、406、See the light. The J^1 diagram shows a cross-sectional view of the structure of a conventional planar fluorescent lamp. Please refer to the ith: the known planar glory lamp is mainly composed of a gas discharge chamber (10), a phosphor 102, an electric gas 104, an internal electrode 106, and a dielectric layer 1〇8. Dirty = side strip = hall, and the 'side strip 100c is disposed between the lower substrate 1a and the upper substrate 1b, 200820304 = the edge of the board and the edge of the upper substrate b are connected to form a Secret Department 』===== Damaged. The system is located on the inner wall of the gas discharge chamber. The gas chamber is like a U U discharge gas 104, and the gas K) 4 is usually Xe, Ne, & or ^. Further, the glory body 102 is disposed on the surface of the gas discharge chamber where the base ==: ^^^ It is difficult to control the thickness of the dielectric layer formed by the printing of the electricity ==== version: rf and multi-f f printing, and the thickness of the dielectric layer formed by the screen printing. The brightness of different areas of the fluorescent lamp. Therefore, the conventional planar fluorescent lamp has a circuit design. Therefore, the object of the present invention is to provide a planar fluorescent lamp capable of reducing the dielectric layer generated by 200820304. The unevenness of thickness is used to improve the child's degree and sentence uniformity of the plane light, and to reduce the amount of dielectric layer material used. And the scoop gas body?: two =, the lamp, which is composed of - pole. The ΐΐ is a solid-and a second electric J gas. The fluorescent system is disposed in the gas; the 4 is placed in 2 to form an electrode pair, and the first electrode and the second electrode are 丄== bits ^ίίί ί In the preferred embodiment, the first electrode iiii ^ of the flat (four) light lamp has a larger discharge area and emits light in different planes. According to a preferred embodiment of the present invention, the first electrode of the planar fluorescent lamp and the second electrode located at the lower surface of the lower substrate may also be planar. If the beauty of the "if better", the reading of the new one has a ϊϊ Ι = Ι 板 outside the board to support the plane $ light. The first electrode is positioned on the surface of the carrier substrate or the crucible is located on the surface of the carrier substrate and simultaneously with the lower substrate "covered with a dielectric thermosetting adhesive to carry out the bead = have a glass, a ceramic, a glue or a hair / preferably In an embodiment, the planar fluorescent lamp further includes an outer surface of the [it board] or is located on the inner surface of the substrate and is covered with the main electrode located on the outer surface of the lower substrate, and the second electrode is located on the lower surface. It is covered with a dielectric layer. Since the first, second, and third electrodes are in different planes, the discharge area is large, and the luminous efficiency can be improved. According to a preferred embodiment of the present invention, the planar camping light has a reversed side, and the stage is located on the outer side of the lower substrate, and the first electrode is located between the lower substrate and the reflective layer 200820304. Based on the concept that the same electrode is aligned in different planes according to the present invention, the second electrode is located on the outer side of the reflective layer, so that the discharge area is large, and the luminous efficiency can be improved. [Embodiment] In all embodiments of the present invention, the "inner surface" of the upper and lower substrates of the planar fluorescent lamp refers to the surface of the upper and lower substrates facing the gas discharge chamber, and the "outer surface" of the upper and lower substrates refers to the inner surface. The opposite surface. First Embodiment Fig. 2 is a cross-sectional view showing a flat fluorescent lamp in accordance with a first preferred embodiment of the present invention. Referring to FIG. 2, the planar fluorescent lamp of the present embodiment is mainly composed of a lower cost plate 300a, an upper substrate 300b, a phosphor 302, a discharge gas: 3〇4, and a plurality of first electrodes 306 and second electrodes 307. Composition. A gas discharge chamber 3 is formed between the lower substrate 300a and the upper substrate 3b, and is filled with a discharge gas 304; the first electrode 306 is located on the outer surface of the lower substrate 300a; and the second electrode 307 is positioned on the lower substrate 3. The inner surface of a and the dielectric layer 3〇9 are overlaid on the second electrode 307; and the phosphor 302 is disposed on the inner wall of the gas discharge chamber 3〇〇. In the present embodiment, since the paired electrodes 3〇6 and 307 are in different planes, the discharge area is large, and more discharge gas can be excited to form plasma energy and emit ultraviolet light, thereby improving luminous efficiency. Moreover, the distance between the adjacent second electrodes 3 〇 6 g is large, so that the requirement for the printing accuracy of the dielectric layer 3 〇 9 and the amount of dielectric layer material used can be reduced. In this embodiment, the first electrode 306 and the second electrode 307 may be in a linear shape, a zigzag shape, a wave shape or the like. In the present embodiment, if the first electrode 306 is located outside the lower substrate 3〇〇a and denoted by A, the second electrode 307 is located on the inner surface of the lower substrate 300a and is denoted by B, and η represents the number of repetitions of the electrode pair, Then, the electrode of the flat fluorescent lamp shown in Fig. 2 is an arrangement of (ΑΒΑΒ)η. According to the concept of the present invention, the electrodes may also be an arrangement of (ΑΒΒΑ)η, (ΑΑΒ)η, (ΒΒΑ)η. Electric 200820304 Second Embodiment Fig. 3A is a plan view showing a flat fluorescent lamp in accordance with a second preferred embodiment of the present invention. The reference planar light fluorescent lamp of the present embodiment is composed of a lower substrate 400a, an upper substrate 400b, a phosphor 402, a discharge gas 404, a first electrode 406, and a second electrode 407. In this embodiment, a gas discharge chamber 4 is formed between the lower substrate 4a and the upper substrate 400b and is filled with a discharge gas 404'. The electrode 406 is located on the outer surface of the lower substrate 4a; the second electrode 407 is located on the inner surface of the lower substrate 400a and covered with the dielectric layer 4〇9; and the phosphor 402 is disposed on the inner wall of the gas discharge chamber 4''. #图3B and 3C are diagrams showing changes in the first electrode in the plane fluorescing according to the second preferred embodiment of the present invention. In the third and third embodiments, only the lower substrate 400a and the first electrode 406 are changed, and the type of the upper substrate 4b is the same as that of the third embodiment, and therefore omitted. In FIG. 3B, the first electrode 4〇6& is planar and positioned on the outer surface of the lower substrate 400a; and the second electrode 4〇7 is strip-shaped on the inner surface of the lower substrate 400a and covered with the dielectric layer 4〇. 9. In the third embodiment, the second electrode 407 may be linear, zigzag, wavy or other shape. In Fig. 3C, the first electrode 406 and the second electrode 4?7 are in a strip shape and are perpendicular to each other. The two electrodes may be linear, zigzag, wavy or other shapes. In this embodiment, since the paired electrodes are in different planes, the discharge area is large, and more discharge gas can be excited to form a plasma state and emit ultraviolet light, thereby improving luminous efficiency. Second Embodiment FIG. 4 is a cross-sectional view showing a flat fluorescent lamp in accordance with a third preferred embodiment of the present invention. The flat fluorescent lamp shown in Fig. 4 includes a lower substrate 5a, an upper substrate 500b, a phosphor 502, a discharge gas 5?4, a first electrode 5?6, and a second electrode. In this embodiment, a gas discharge chamber 500 is formed between the lower substrate 500a and the upper substrate 5〇〇b and is filled with a discharge gas 5〇4; the first electrode 5〇6 is located outside the lower substrate 5〇〇a; And the second electrode 507 is formed on the inner surface of the lower substrate 5〇〇a and covered with the dielectric layer 509; and the phosphor 502 is disposed on the inner wall of the gas discharge 200820304 electric cavity 500. In this embodiment, a lower substrate 500a is further disposed with a carrier substrate 510'. The carrier substrate 51 can optionally be adhered to the lower substrate 5A with an adhesive 508 to support the planar fluorescent lamp. . In this embodiment, the first electrode 506 may also be formed on one surface of the carrier substrate 510. The carrier substrate 510 is further bonded to the lower substrate 5A by the surface. Adhesive 508 can be glass glue, ceramic glue, UV glue or heat curing glue. In this embodiment, if the first electrode 506 is located on the outer surface of the lower substrate 500a and is represented by A, the second electrode 507 is located on the inner surface of the lower substrate 500a and is represented by B, and n represents the number of repetitions of the electrode pair, then The electrode of the planar glory lamp shown in Fig. 4 is an arrangement of (ΑΒΑΒ)η. According to the concept of the present invention, the arrangement of the pair of electrodes may also be (ΑΒΒΑ)η, (ΑΑΒ)η, (ΒΒΑ>η. Fig. 5 of the fourth embodiment shows the planar fluorescent light according to the fourth preferred embodiment of the present invention. A cross-sectional view of the lamp. Referring to Fig. 5, the planar fluorescent lamp of the present embodiment is composed of a lower substrate 600a, an upper substrate 600b, a phosphor 602, a discharge gas 604, a first electrode 606, and a second electrode 607. In this embodiment, a gas discharge chamber 6〇〇 is formed between the lower substrate 6〇〇a and the upper substrate 600b and is filled with a discharge gas 604; the first electrode 606 is located on the outer surface of the lower substrate 6〇〇a; the second electrode 6〇7 is located on the inner surface of the lower substrate 600a and covered with the dielectric layer 6〇9; and the phosphor 602 is disposed on the inner wall of the gas discharge chamber 6〇〇. In this embodiment, the planar fluorescent lamp further has A third electrode 611 is located on the upper substrate 600b. As shown in Fig. 5, the third electrode 611 is located outside the upper substrate 6〇〇b. The third electrode 611 is also optionally located on the inner surface of the upper substrate (8) (9) and Covered with a dielectric layer. In this embodiment, since the electrodes are in different planes, The discharge area is large, which can excite more discharge gas to form a plasma state and emit ultraviolet light, thereby improving luminous efficiency. Chapter 5 Embodiment FIG. 6 shows a flat fluorescent lamp according to a fifth preferred embodiment of the present invention. A cross-sectional view of 200820304. Referring to FIG. 6, the planar fluorescent lamp of the present embodiment is composed of a lower substrate 700a, an upper substrate 70〇b, a phosphor 702, a discharge gas 704, a first electrode 706, and a second electrode 712. The reflective layer 718 is formed. In the embodiment, a gas discharge chamber 7 is formed between the lower substrate 700a and the upper substrate 700b and is filled with a discharge gas 704; the first electrode 706 is located on the outer surface of the lower substrate 700a; The light body 702 is disposed on the inner wall of the gas discharge chamber 700. One surface of the reflective layer 718 is attached to the lower substrate 700a to cover the first electrode 706, and the other surface of the reflective layer 718 is provided with the second electrode 712. In the example, since the paired first electrode 706 and the second electrode 712 are positioned on different planes, the optimal dielectric capacitance can be adjusted to excite more discharges of the gas to form a plasma state and emit ultraviolet light, and the reflection Layer 718 can The visible light excited by the ultraviolet light is reflected by the ultraviolet light to the upper substrate 7〇〇b, so that the luminous efficiency can be improved. In the embodiment, the first electrode 706 and the second electrode 712 can be linear, strip, or mineral. The first electrode and the second electrode 712 may be parallel or perpendicular to each other. The second electrode 712 may also be planar, similar to the first electrode 406 shown in FIG. 7B. In this embodiment, a carrier substrate may be disposed under the reflective layer 718, as described in the second embodiment; or a third electrode may be disposed on any surface of the upper substrate 700b, as described in the fourth embodiment; Or a carrier substrate and a second electrode are disposed at the same time. In the present embodiment, if the first electrode 706 is located on the outer surface of the lower substrate 7〇〇a and denoted by A, the second electrode 712 located on the outer surface of the reflective layer 718 is denoted by b, and η represents the electrode pair. The number of repetitions, the electrode pair of the planar light lamp shown in Fig. 6 is an arrangement of (ΑΒΑΒ)η. According to the concept of the present invention, the arrangement of the pair of electrodes may also be (ΑΒΒΑ)η, (ΑΑΒ)η or (10)Α)η. In a preferred embodiment of the present invention, the lower substrate 300a, 400a, 50A, 600a, 700a may be a dielectric material such as glass or ceramic and has a thickness of preferably 11 200820304 0.3-2 mm; the upper substrate 3〇〇 b, 400b, 500b, 600b, 700b may be a transparent material such as glass and preferably has a thickness of 0.3 to 5 mm; electrodes 306, 307, 406,
407、506、507、606、607、61 卜 706、712 係由銀、銅、ITO 或1Z0等導電材料所製成且厚度較佳為3-50//m;螢光體 302、402、502、602、702係為經紫外光照射後可發出可見光 波長之材料且厚度較佳為2-400//m;放電氣體304、404、504、 604、704係為xe、Ne、Ar、其他惰性氣體、無汞氣體或其組 合；介電層 309、409、509、609 係由 Pb〇、Si02、Bi2〇3、陶 瓷材料或其組合所構成且厚度較佳為3〇_4〇〇/zm :承載基板 WO/r由玻璃或陶瓷材料所製成；黏著劑508可為玻璃膠、陶 瓷膠.、UV膠或熱固化膠；以及反射層718係以陶瓷材料或摻 有Ti〇2、Al2〇3、BaS〇4等高反射率材料或其組合的陶瓷玻璃 材料所構成。 、在本發明中’上下基板的邊緣可彼此黏合或以邊條黏合以 組成放電空間’且上下基板間的距離較佳為丨_1()咖。上下基 板間的距離可任擇地以間隔物置於上下基板間來維持，或以成 型上板代替間隙物。 本發明已以多個較佳實施例揭露如上，然其並非用以限定 ^發明，任何《此技藝者，在不脫離本發明之精神和範圍 更動與潤飾，因此本發明之保護範圍當視後 附之申清專利範圍所界定者為準。 【圖式簡單說明】 第1圖表示習知平面螢光燈之結構的剖面圖； 剖面圖表雜照本㈣第—麵實施狀平面螢光燈的 剖面圖表雜照本發明第二較佳實施例之平面螢光燈的 第3Β及3C圖表示依照本發明第二較佳實施例之平面榮 12 200820304 光燈中，該第一電極變化的示意圖； 第4圖表示依照本發明第二較佳實施例之平面螢光燈的 剖面圖； 第5圖表示依照本發明第四較佳實施例之平面螢光燈的 ' 剖面圖；以及 第6圖表示為依照本發明第五較佳實施例之平面替朵$ 的剖面圖。 & 【主要元件符號說明】 100, 300,400, 500, 600, 700 100a，300a，400a，500a，600a，700a 100b，300b，400b，500b，600b，700b 102, 302, 402, 502, 602, 702 104, 304,404, 504, 604, 704 306, 406, 506, 606, 706 307, 407, 507, 607, 712 108, 309, 409, 509, 609 100c 邊條 106 508 黏著劑 510 611 第二電極 718 氣體放電腔 下基板 上基板 螢光體 放電氣體 第一電極 第二電極 介電層 内部電極 承載基板 反射層 13407, 506, 507, 606, 607, 61 706, 712 are made of a conductive material such as silver, copper, ITO or 1Z0 and have a thickness of preferably 3-50//m; phosphors 302, 402, 502 602 and 702 are materials which emit visible light wavelength after being irradiated by ultraviolet light, and have a thickness of preferably 2 to 400/m; and discharge gases 304, 404, 504, 604 and 704 are xe, Ne, Ar, and other inert gases. a gas, a mercury-free gas or a combination thereof; the dielectric layers 309, 409, 509, 609 are composed of Pb, SiO 2 , Bi 2 〇 3, ceramic materials or a combination thereof and have a thickness of preferably 3 〇 4 〇〇 / zm The carrier substrate WO/r is made of glass or ceramic material; the adhesive 508 may be glass glue, ceramic glue, UV glue or heat curing glue; and the reflective layer 718 is made of ceramic material or doped with Ti〇2, Al2陶瓷3, BaS〇4 and other high reflectivity materials or a combination of ceramic glass materials. In the present invention, the edges of the upper and lower substrates may be bonded to each other or bonded by side strips to constitute a discharge space' and the distance between the upper and lower substrates is preferably 丨_1(). The distance between the upper and lower substrates may optionally be maintained by placing spacers between the upper and lower substrates, or by replacing the spacers with a shaped upper plate. The present invention has been disclosed in the above preferred embodiments. However, it is not intended to limit the invention, and the scope of the present invention may be modified without departing from the spirit and scope of the present invention. The scope defined by the scope of the patent application is subject to change. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a cross-sectional view showing the structure of a conventional flat fluorescent lamp; FIG. 1 is a cross-sectional view of a cross-sectional diagram of a first-surface-implemented planar fluorescent lamp, and a second preferred embodiment of the present invention. 3 and 3C of the planar fluorescent lamp show a schematic diagram of the change of the first electrode in the plane glory 12 200820304 light lamp according to the second preferred embodiment of the present invention; and FIG. 4 shows a second preferred embodiment according to the present invention. FIG. 5 is a cross-sectional view showing a planar fluorescent lamp according to a fourth preferred embodiment of the present invention; and FIG. 6 is a plan view showing a plane according to a fifth preferred embodiment of the present invention. A cross-section of the flower. & [Major component symbol description] 100, 300, 400, 500, 600, 700 100a, 300a, 400a, 500a, 600a, 700a 100b, 300b, 400b, 500b, 600b, 700b 102, 302, 402, 502, 602, 702 104, 304, 404, 504, 604, 704 306, 406, 506, 606, 706 307, 407, 507, 607, 712 108, 309, 409, 509, 609 100c side strip 106 508 adhesive 510 611 second electrode 718 gas Substrate on the lower substrate of the discharge chamber, phosphor discharge gas, first electrode, second electrode, dielectric layer, internal electrode, substrate, reflective layer, 13