I31133T twf.doc/e 九、發明說明： 【發明所屬之技術領域】 本發明是有關於一種平面燈源，且特別是有關於一種 具有高亮度以及高發光均勻度的平面燈源。 【先前技術】I31133T twf.doc/e IX. Description of the Invention: [Technical Field] The present invention relates to a planar light source, and more particularly to a planar light source having high brightness and high light-emitting uniformity. [Prior Art]
近年來，大部分的顯示螢幕皆以液晶顯示面板(Liquid Crystal Display panel，LCD panel)為主流。然而，因為液晶 顯示面板本身並不具有發光的功能，故在液晶顯示面板下 方必須提供一背光模組(Back light module)以提供光源，進 而達到顯示的功能。背光模組中的燈源一般是發光燈管所 提供，而燈管所發出之光線再通過背光模組中之光學膜片 並進行政射後，开>成一適於照射液晶顯示面板之面光源。 但疋，若能直接利用平面燈源，則可以提昇光線的利 用效率以及更均勻的岐源，且平面燈源除了可以應用於 液晶顯示面板之背錢外，也可應用在許多其他之領域 上。因此，平面燈源有其發展的優勢。In recent years, most display screens have been dominated by liquid crystal display panels (LCD panels). However, since the liquid crystal display panel itself does not have the function of emitting light, a backlight module (Back light module) must be provided under the liquid crystal display panel to provide a light source to achieve the display function. The light source in the backlight module is generally provided by the light-emitting tube, and the light emitted by the light tube passes through the optical film in the backlight module and is subjected to the political light, and then is turned into a surface light source suitable for illuminating the liquid crystal display panel. . However, if the planar light source can be directly used, the utilization efficiency of the light and the more uniform source of light can be improved, and the planar light source can be applied to many other fields besides being applied to the liquid crystal display panel. . Therefore, the planar light source has its development advantages.
一般而言，平面燈源是一種電漿發光元件， ===之間形高電壓差以產生高能電子，並經 同月b-扣擊惰性氣體（inertgas)而形成、· 被激發的激態原子會以放射紫外二心 中-步激發平*燈源 呈現Ϊ:光在其四周的亮度明顯較暗或是 " 乂疋因為，在平面燈源最邊緣處因螢 1311373 5twf.doc/e 光粉的發光效率不如平面燈源之中心區的發光效率。因 此，平面燈源四周的亮度總是較暗。 【發明内容】 因此，本發明之目的是提供一種平面燈源，其可以解 決習知平面燈源在其四周會有亮度較低的缺點。 本發明k出一種平面燈源，其包括一主體區以及位於 主體區周圍的一邊緣區。此平面燈源包括一第一基板、多 2第-電極、多個介電圖案、一螢光層、多個第一螢光圖 ，、一，二基板以及一膠框。第一電極是配置於第一基板 —且第電極會排列於主體區以及邊緣區内。介電圖案 =住第—基板上的第電極。螢光層是配置於主體區以 外接板：起― 是介i 一實施例中’上述之第一螢光圖案的長度 是介〜^―。實㈣种，光目案的寬度 是介’找之第―螢光圖案的高度 螢光—實麵中，位於邊騎中的婦兩第一 货九圖案之間的距離是介於Gl〜5醜。 與螢光ίΐ質月二貫鈿例中’上述之第-螢光圖案的材質 13U3J3 5twf.doc/e 在本發明之一實施例中，此平面燈源更包括多個第二 螢先圖案，配置於主體區中的螢光層上。較佳的是，設置 ίί【：二螢光圖案的密度小於設置在邊緣區的第- 3二:=的=實施例中，第二螢光圖案的尺寸 ”弟愛7b®案的尺寸㈣。在又—實 圖案的尺寸與第-螢光圖案的尺寸不同。 勞光 在本發明之-實施财，此平面燈源 層，配置於第-基板上。 ㈣ 熟在ίΓ月之—實施例中’此平面燈源更包括多數個間 束物，配置於第—基板與第二基板之間。 在本發明之-實施例中，此平面燈 層，配置於第二基板之表面上。 已枯另螢先 在本發明之-實施例中，此平面燈源更 電極’配置於第二基板之表面上。 夕條弟一 在本發明之一實施例中，卜冰夕楚 ^, 金屬。 4之第-電極的材質包括 在本發明之一實施例中，上述第一 之材質包括玻璃。 状弟基板與一基板 包括ΐίΓΓ之平面燈源中，由於在邊緣區的螢光層上更 本發明可轉㈣料Μ 度’因此 I 料傳辭面燈源的四周會有亮度㈣㈣ 為讓本發明之上述和其他目的、特徵和優點能更明顯 I31133Ttwf-d0C/e 易懂’下文特舉較佳實施例，並配合所附圖式，作詳細說 明如下。 【實施方式】 圖1A是依照本發明一較佳實施例之平面燈源的剖面 示意圖。圖1B是圖1A之平面燈源中的第一基板的上視 圖。請同時參考參照圖1A與圖1B，本發明之平面燈源具 有一主體區102以及位於主體區1〇2周圍的一邊緣區 104。此平面燈源包括一第一基板1〇6、多條第一電極1〇8、 一第二基板114、一框膠118、多個介電圖案1〇9、一螢光 層110以及多個第一螢光圖案112。第一基板1〇6與第二 基板114之材質例如是透明的玻璃。框膠us是配置於邊 緣區104外側的第一基板1〇6與第二基板114之間，框膠 118是用來使兩基板1〇6、114接合在一起，如此一來，框 膠118與兩基板1〇6、114之間會構成一密閉空間119。而 在此密閉空間119内則會填入一放電氣體。 如圖1A所示’第一電極108是配置第一基板1〇6上， 且第一電極108會排列於主體區1〇2以及邊緣區1〇4内。 第一電極108可分成陰極電極108a以及陽極電極l〇8b。 後續當於陰極電極l〇8a以及陽極電極1〇8b之間形成一高 電壓，將可產生高能電子，這些高能電子撞擊惰性氣體之 後便此形成所謂的電漿。在一較佳實施例中，第一電極 之材質包括金屬。 電圖案109是形成在第一基板上，且介電圖案 1〇9會覆蓋住第一基板106上第一電極1〇8。介電圖案1〇9 之材質例如是二氧化矽或是金屬氧化物。 8 1311333 5twf.doc/e 螢光層110是塗佈在主體區102以及邊緣區104内的 相鄰兩介電圖案109之間。當電漿中被激發的激態原子放 射紫外線’而激發螢光層110時，便能發出可見光。在本 發明中’所使用的螢光層110包括能發出白光的螢光材料。In general, the planar light source is a plasma light-emitting element, with a high voltage difference between === to generate high-energy electrons, and formed by the same month b-button inert gas (inertgas), · excited excited atoms It will be illuminated by a radio-violet two-center mid-step excitation flat light source: the brightness of the light around it is obviously darker or " 乂疋 because, at the edge of the flat light source, the firefly 1311373 5twf.doc/e light powder The luminous efficiency is not as good as that of the central region of the planar light source. Therefore, the brightness around the flat light source is always dark. SUMMARY OF THE INVENTION Accordingly, it is an object of the present invention to provide a planar light source that addresses the disadvantages of conventional flat light sources having low brightness around them. The present invention provides a planar light source that includes a body region and an edge region located around the body region. The planar light source includes a first substrate, a plurality of second electrodes, a plurality of dielectric patterns, a phosphor layer, a plurality of first phosphor patterns, one, two substrates, and a plastic frame. The first electrode is disposed on the first substrate - and the first electrode is arranged in the body region and the edge region. Dielectric pattern = the first electrode on the first substrate. The phosphor layer is disposed in the main body to be connected to the external board: from the "in the embodiment", the length of the first fluorescent pattern is "~^". The real (four) species, the width of the light project is the height of the fluorescent pattern of the 'find the first' - the real surface, the distance between the first two nine patterns of the woman in the side ride is between Gl~5 ugly. In the embodiment of the present invention, the planar light source further includes a plurality of second fluorescent patterns, and the material of the above-mentioned first-fluorescent pattern is 13U3J3 5twf.doc/e. It is placed on the fluorescent layer in the main body area. Preferably, the ίί[:the density of the two fluorescent patterns is smaller than the size of the second fluorescent pattern set in the edge region - the second fluorescent pattern is "the size of the second fluorescent pattern" (4). The size of the re-solid pattern is different from the size of the first-fluorescent pattern. In the present invention, the planar light source layer is disposed on the first substrate. (4) Cooked in the Γ月--in the embodiment The planar light source further includes a plurality of interstitial materials disposed between the first substrate and the second substrate. In the embodiment of the present invention, the planar light layer is disposed on the surface of the second substrate. In another embodiment of the present invention, the planar light source is further disposed on the surface of the second substrate. In one embodiment of the present invention, Xi Bingxi ^, metal. The material of the first electrode is included in an embodiment of the present invention, wherein the first material comprises glass. The substrate and the substrate comprise a planar light source, and the invention is further on the fluorescent layer of the edge region. Can be transferred (four) material Μ degree 'so I will have brightness around the source of the source (4) The above and other objects, features and advantages of the present invention will become more apparent. The preferred embodiments of the present invention are described in the following description. 1A is a schematic cross-sectional view of a planar light source in accordance with a preferred embodiment of the present invention. Figure 1B is a top plan view of the first substrate in the planar light source of Figure 1A. Referring also to Figures 1A and 1B, the plane of the present invention The light source has a body region 102 and an edge region 104 around the body region 1-2. The planar light source includes a first substrate 〇6, a plurality of first electrodes 〇8, a second substrate 114, and a a sealant 118, a plurality of dielectric patterns 1〇9, a phosphor layer 110, and a plurality of first phosphor patterns 112. The material of the first substrate 1〇6 and the second substrate 114 is, for example, transparent glass. Between the first substrate 1 〇 6 and the second substrate 114 disposed outside the edge region 104, the sealant 118 is used to bond the two substrates 1 〇 6 and 114 together, so that the sealant 118 and the two substrates are A closed space 119 will be formed between 1 and 6, 114, and in this confined space 119 A discharge gas is introduced. As shown in FIG. 1A, the first electrode 108 is disposed on the first substrate 1〇6, and the first electrode 108 is arranged in the body region 1〇2 and the edge region 1〇4. The first electrode 108 It can be divided into a cathode electrode 108a and an anode electrode 10b. Subsequently, when a high voltage is formed between the cathode electrode 10a and the anode electrode 1a, 8b, high-energy electrons can be generated, and the high-energy electrons impinge on the inert gas. In a preferred embodiment, the material of the first electrode comprises a metal. The electrical pattern 109 is formed on the first substrate, and the dielectric pattern 1 〇 9 covers the first electrode 1 on the first substrate 106. 〇 8. The material of the dielectric pattern 1〇9 is, for example, cerium oxide or a metal oxide. 8 1311333 5twf.doc/e The phosphor layer 110 is coated between the adjacent dielectric patterns 109 in the body region 102 and the edge region 104. When the excited excited atoms in the plasma emit ultraviolet rays to excite the phosphor layer 110, visible light is emitted. The phosphor layer 110 used in the present invention includes a fluorescent material capable of emitting white light.
特別是，在邊緣區104中的螢光層11〇上更配置有許 多第一螢光圖案112。在一實施例中，第一螢光圖案112 的材質與螢光層110材質相同。而這些第一螢光圖案112 例如是採用網板印刷製程、喷塗製程等等方法所形成。另 外，第一螢光圖案112的長度例如是介於〇丨〜5mm ;第 一螢光圖案112的寬度例如是介於〇.1〜5mm :第一螢光 圖案112的高度例如是介於〇.03〜〇4mm;相鄰兩第一螢 光圖案112之間的距離例如是介於〇1〜5mm。第一螢光 圖案112的尺寸以及密度可視實際所需而作調整。也就是 說’第-榮光_ 112的數量越多、密度越大，則邊緣區 1〇4的亮度將會越高。另外，圖式所顯示的第一螢光圖案 U2疋以矩形立方體為例，但本發明並不特別限制第一螢 ，圖案112的形狀’其亦可以是陳狀或是錐形體，只要 =能夠在邊緣區104中的榮光層11C)上形成凸起圖案（凸點 白可〇 在邊緣區104中的螢光層11〇上配置第_螢 112可使邊緣區1〇4的螢光層表面積大幅提昇。因此 發明可以解決習知平面燈源在邊緣區會有亮度較暗的缺 點。而—旦使平碰_邊緣區亮度提升之後 、 整體的發光均勻度便能獲得改善。 1"、 9 13113335twfdoc/e 為了更提高平面燈源的亮度，上述之平面燈源還可選 擇性的裝設其他構件，說明如下。請參照圖1A，在—較佳 實施例中，此平面燈源還可包括一反射層120,配置於第 一基板106的表面上。當平面燈源所產生的光射向反射層 120時，光將會被反射向第二基板114的方向，使得平面 燈源所產生的光線皆由第二基板114透射出去。此外，本 發明之平面燈源還可包括另一螢光層116，如圖1A所示， 其疋配置於第二基板114之表面上。此螢光層116的設置 可以再提高平面燈源的亮度。 依據本發明另一實施例，本發明之平面燈源更包括多 數個間隙物122,其是配置於第一基板106與第二基板114 之間，以使兩基板106、114之間保持有一固定間隙。對於 小尺寸的平面燈源並不一定要使用間隙物，但對於大尺寸 的平面燈源一般都會使用間隙物丨22。間隙物112可以是 均勻刀政在兩基板106、114之間的間隙球(Spacer bau)。 間隙物112亦可以是形成在第一基板106或是形成在第二 基板114上的間隙柱。 一圖2A是依照本發明另一較佳實施例之平面燈源的剖 面示意圖。圖2B是圖2A之平面燈源中位於箆-其 件的上視圖。請同時參照圖2八與圖2B，圖弟2:= 源與圖1A之平面燈源相似，不同之處在於圖2人之平面燈 源更包括多個第二螢光圖案124 ’配置於主體區1〇2的螢 光層110上。在螢光層110上另外設置第二螢光圖案 可使該處的螢光層表面積增加，以提高平面燈源的亮度。In particular, a plurality of first fluorescent patterns 112 are disposed on the phosphor layer 11 of the edge region 104. In one embodiment, the material of the first fluorescent pattern 112 is the same as the material of the fluorescent layer 110. These first fluorescent patterns 112 are formed, for example, by a screen printing process, a spraying process, or the like. In addition, the length of the first fluorescent pattern 112 is, for example, 〇丨~5 mm; the width of the first fluorescent pattern 112 is, for example, 〇.1 to 5 mm: the height of the first fluorescent pattern 112 is, for example, 〇 .03~〇4mm; the distance between the adjacent two first fluorescent patterns 112 is, for example, 〇1 to 5 mm. The size and density of the first fluorescent pattern 112 can be adjusted as needed. That is to say, the more the number of "the first glory _ 112" and the higher the density, the higher the brightness of the edge region 1 〇 4 will be. In addition, the first fluorescent pattern U2 shown in the drawing is exemplified by a rectangular cube. However, the present invention does not particularly limit the first firefly. The shape of the pattern 112 may also be a scalloped or a cone, as long as A convex pattern is formed on the glory layer 11C) in the edge region 104 (the bump white 配置 can be disposed on the phosphor layer 11 中 in the edge region 104 to provide a fluorescent layer surface area of the edge region 1 〇 4 The invention can solve the disadvantage that the conventional planar light source has darkness in the edge region, and the overall uniformity of illumination can be improved after the brightness of the flat-touch edge region is improved. 1", 9 13113335twfdoc/e In order to further improve the brightness of the planar light source, the above planar light source can also optionally be provided with other components, as explained below. Referring to FIG. 1A, in a preferred embodiment, the planar light source may further comprise A reflective layer 120 is disposed on the surface of the first substrate 106. When the light generated by the planar light source is directed toward the reflective layer 120, the light will be reflected toward the second substrate 114, such that the planar light source generates The light is all from the second substrate 114 In addition, the planar light source of the present invention may further include another phosphor layer 116, as shown in FIG. 1A, and disposed on the surface of the second substrate 114. The arrangement of the phosphor layer 116 may further increase the plane. The brightness of the light source. According to another embodiment of the present invention, the planar light source of the present invention further includes a plurality of spacers 122 disposed between the first substrate 106 and the second substrate 114 such that the two substrates 106, 114 There is a fixed gap between them. It is not necessary to use spacers for small-sized planar light sources, but spacers 22 are generally used for large-sized planar light sources. The spacers 112 may be uniform on both substrates 106. The spacers 112 may be gap pillars formed on the first substrate 106 or formed on the second substrate 114. FIG. 2A is another preferred embodiment of the present invention. Fig. 2B is a top view of the planar light source of Fig. 2A located in the 箆-the same. Please refer to Fig. 2 and Fig. 2B simultaneously, Fig. 2: = source and the planar light source of Fig. 1A Similar, the difference lies in the plane light source of Figure 2 The plurality of second fluorescent patterns 124' are disposed on the fluorescent layer 110 of the main body region 1〇2. The second fluorescent pattern is additionally disposed on the fluorescent layer 110 to increase the surface area of the fluorescent layer at the portion to improve The brightness of the flat light source.
I3113335twfdoc/e 換言之，® 2a之平面燈源除了在邊緣區i〇4設置第一榮 光圖案112之外’更在主體區1〇2設置第二勞光圖案124。 為了使主體區102與邊緣區刚的具有好的發光均勾度， 設置在邊緣區104㈣—$光_ 112的密度會比設置在 主體區1〇2的第二榮光圖案m的密度來得高。如此一來， 不但可以增加平面燈源的亮度，而且還能使平面燈源整體 發光均勻度祕改善。在—實關巾，設置於主體區服 中的第-螢光圖案124的材質與螢光層⑽材質相同。而 第二螢光圖案m的尺寸與第一螢光圖案m的尺寸可以 相同或不相同。 一圖3A是依照本發明另一較佳實施例之平面燈源的剖 面不意圖。圖3A所繪示之平面燈源與圖1A所緣示之平面 燈源類似，不同之處在於圖从之平面燈源中的反射層12〇 是配置於第-基板1()6與第一電極⑽之間。也就是先在 第-基板106上形成反射層⑽之後，再於反射層12〇上 形成第-電極⑽。同樣的，圖3A之平面燈源可以依據實 際所需(例如尺寸大小）而決定是否要於基 間配置間隙物(未繪示）。 槪⑽H4之 一圖3B是依照本發明另一較佳實施例之平面燈源的剖 面示意圖。圖3B所繪示之平面燈源與圖3A所繪示之平面 燈源類似’不同之處在於圖3B之平面燈源更包括第二勞 光圖案124，其是配置在主體區1〇2的登光層11〇上。換 言之，圖3B之平面燈源除了將反射層12〇配置於第一基 板106與第一電極108之間之外，其在邊緣區ι〇4的螢光 11 層110上設置有第一螢光圖案112，且在主體區102的榮 光層110上設置有第二螢光圖案丨24。 值得一提的是，在上述數個實施例中，第一基板1〇6 上的第一電極108是以兩條電極為一組為例來 說明。事實上’第一電極1〇8亦可以是三條或三條以上之 電極為一組(未繪示出）。In other words, the planar light source of the ® 2a is disposed in addition to the first glory pattern 112 in the edge region i 〇 4, and the second stencil pattern 124 is disposed in the body region 1 〇 2 . In order to make the body region 102 and the edge region have a good light-emitting characteristic, the density of the edge region 104 (four) - $ light - 112 is higher than the density of the second glare pattern m disposed in the body region 1 〇 2. In this way, not only can the brightness of the planar light source be increased, but also the overall uniformity of the planar light source can be improved. In the solid cover towel, the material of the first fluorescent pattern 124 provided in the main body suit is the same as the material of the fluorescent layer (10). The size of the second fluorescent pattern m may be the same as or different from the size of the first fluorescent pattern m. Figure 3A is a cross-sectional view of a planar light source in accordance with another preferred embodiment of the present invention. The planar light source shown in FIG. 3A is similar to the planar light source shown in FIG. 1A, except that the reflective layer 12 in the planar light source is disposed on the first substrate 1 (6) and the first Between the electrodes (10). That is, after the reflective layer (10) is formed on the first substrate 106, the first electrode (10) is formed on the reflective layer 12A. Similarly, the planar light source of Figure 3A can be used to determine whether spacers (not shown) are to be placed between the substrates, depending on the actual requirements (e.g., size). Figure 3B is a cross-sectional view of a planar light source in accordance with another preferred embodiment of the present invention. The planar light source illustrated in FIG. 3B is similar to the planar light source illustrated in FIG. 3A in that the planar light source of FIG. 3B further includes a second light-emitting pattern 124 that is disposed in the body region 1〇2. On the 11th floor of the light layer. In other words, the planar light source of FIG. 3B is provided with the first fluorescent light on the fluorescent layer 11 of the edge region ι 4 except that the reflective layer 12 is disposed between the first substrate 106 and the first electrode 108. The pattern 112 is provided with a second fluorescent pattern 丨 24 on the glory layer 110 of the body region 102. It is to be noted that, in the above embodiments, the first electrode 108 on the first substrate 1 〇 6 is exemplified by two electrodes as a group. In fact, the first electrode 1〇8 may be a group of three or more electrodes (not shown).
圖4A是依照本發明另一較佳實施例之平面燈源的剖 面不意圖。圖4A所繪示之平面燈源與圖1A所繪示之平面 燈源類似，不同之處在於圖4A之平面燈源更包括第二電 極126，其是配置於第二基板114與螢光層116之間。在 此實施例中，第一基板106上的第一電極1〇8是 (曰或陰極），而第二基板m上第二電極⑶是作為陰極(或 陽極）。換言之，後續當於兩電極1〇8、126之間形成一高 電壓差將可產生高能電子’這些高能電子撞擊 = 後便能形成所謂的電漿。 ' — 一圖4B疋依照本發明另一較佳實施例之平面燈源的Figure 4A is a cross-sectional view of a planar light source in accordance with another preferred embodiment of the present invention. The planar light source of FIG. 4A is similar to the planar light source of FIG. 1A, except that the planar light source of FIG. 4A further includes a second electrode 126 disposed on the second substrate 114 and the phosphor layer. Between 116. In this embodiment, the first electrode 1 〇 8 on the first substrate 106 is (曰 or cathode), and the second electrode (3) on the second substrate m is used as a cathode (or anode). In other words, the subsequent formation of a high voltage difference between the two electrodes 1 〇 8, 126 will produce high-energy electrons. These high-energy electrons collide with = to form a so-called plasma. ' - Figure 4B is a planar light source according to another preferred embodiment of the present invention
面不意圖。圖4B所繪示之平面燈源與圖4A所繪 : 燈源類似，不同之處在於圖4B之平面燈源更包括 光圖案124，其是配置在主體區102的螢光層11〇上。 吕之’圖4B之平面燈源除了在第二基板114上配 —、 電極126之外’其在邊緣區刚的勞光層11〇上 : 一螢光圖案112，且在主體區脱的.螢光層^ 第二螢光圖案124。 政置有 在上述所舉數個實施例中，電極是以單純的條狀電極 12 l5twf.d〇c/e 為例作為說明，但本發明不限於此。事實上，每—電極之 形狀亦可以有其他種變化，例如是具有凸出尖端的條狀電 極、非直線條狀電極等等。 綜合以上所述’本發明之平面燈源具有以下優點： 由於本發明在平面燈源的邊緣區額外設置了許多凸 起的螢光圖案，而使邊緣區的螢光層表面積得以增加，因 * 而提鬲了該處的發光亮度。所以，本發明之平面燈源解決 _ 了習知平面燈源存在邊緣亮度偏低的問題。 、 鲁 本發明因可提高平面燈源邊緣區的亮度，因此同時可 以改善平面燈源整體的發光均勻度。 本發明除了在邊緣區設置螢光圖案之外，更可以在主 體區中設置螢光圖案，藉以更提高平面燈源的亮度。而藉 由調整設置在邊緣區的榮光圖案密度與設置在主體區的^ 案密度，平面燈源的亮度以及發光均勻度皆可以獲得 雖然本發明已以較佳實施例揭露如上，然其並非用以 • 限^本發明，任何熟習此技藝者，在不脫離本發明之精神 =範圍内，當可作些許之更動與潤飾，因此本發明之保護 範圍當視後附之申請專利範圍所界定者為準。 【圖式簡單說明】 ， _圖1A是依照本發明一較佳實施例之平面燈源的剖面 . 示意圖。 、圖1B是圖1A之平面燈源中位於第二基板的構件的上 視圖。 13 T1111Wtwf.d〇c/e 圖2A是依照本發明另一較佳實施例之平面燈源的剖 面示意圖。 圖2B是圖2A之平面燈源中位於第二基板的構件的上 視圖。 圖3A與圖3B是依照本發明較佳實施例之平面燈源的 剖面示意圖。 圖4A與圖4B是依照本發明較佳實施例之平面燈源的 剖面示意圖。 【主要元件符號說明】 102 :主體區 104 :邊緣區 106 :第一基板 l〇8a :陰極電極 108b :陽極電極 108 :第一電極 109 :介電圖案 110、116 :螢光層 112 :第一螢光圖案 114 :第二基板 118 :膠框 119 :密閉空間 120 ··反射層 122 :間隙物 124 :第二螢光圖案 126 :第二電極 14Not intended. The planar light source illustrated in Figure 4B is similar to that depicted in Figure 4A, except that the planar light source of Figure 4B further includes a light pattern 124 disposed on the phosphor layer 11 of the body region 102. Lu's plane light source of Fig. 4B is on the second substrate 114 except for the electrode 126, which is on the edge layer 11 of the edge layer: a fluorescent pattern 112, and is removed in the body region. Fluorescent layer ^ second fluorescent pattern 124. In the above embodiments, the electrodes are described by taking a simple strip electrode 12 l5twf.d〇c/e as an example, but the present invention is not limited thereto. In fact, the shape of each electrode can be varied, for example, a strip electrode having a convex tip, a non-linear strip electrode, and the like. The above-mentioned planar light source of the present invention has the following advantages: Since the present invention additionally provides a plurality of convex fluorescent patterns in the edge region of the planar light source, the surface area of the fluorescent layer in the edge region is increased due to * And the brightness of the light is raised there. Therefore, the planar light source of the present invention solves the problem that the edge light source has a low edge brightness. The invention can improve the brightness of the edge region of the planar light source, thereby improving the uniformity of illumination of the planar light source as a whole. In addition to providing a fluorescent pattern in the edge region, the present invention can further provide a fluorescent pattern in the main body region, thereby further increasing the brightness of the planar light source. By adjusting the density of the glare pattern disposed in the edge region and the density of the film disposed in the body region, the brightness of the planar light source and the uniformity of illumination can be obtained. Although the present invention has been disclosed in the preferred embodiment as above, it is not used. The scope of the present invention is defined by the scope of the appended claims, and the scope of the invention is defined by the scope of the appended claims. Prevail. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1A is a cross-sectional view of a planar light source in accordance with a preferred embodiment of the present invention. Figure 1B is a top plan view of the component of the planar substrate of Figure 1A located on the second substrate. 13 T1111Wtwf.d〇c/e Figure 2A is a cross-sectional view of a planar light source in accordance with another preferred embodiment of the present invention. Figure 2B is a top plan view of the component of the planar substrate of Figure 2A located on the second substrate. 3A and 3B are schematic cross-sectional views of a planar light source in accordance with a preferred embodiment of the present invention. 4A and 4B are schematic cross-sectional views of a planar light source in accordance with a preferred embodiment of the present invention. [Main component symbol description] 102: body region 104: edge region 106: first substrate 10a: cathode electrode 108b: anode electrode 108: first electrode 109: dielectric pattern 110, 116: phosphor layer 112: first Fluorescent pattern 114 : second substrate 118 : plastic frame 119 : sealed space 120 · reflective layer 122 : spacer 124 : second fluorescent pattern 126 : second electrode 14