201144664 六、發明說明： 【發明所屬之技術領域】 [0001] 本發明涉及一種日光燈，特別涉及一種LED日光燈。 [0002] 【先前技術】 和傳統光源相比’發光二極體（LED)具有較高之發光效 率、低輻射、低耗電、壽命長、低驅動電壓、啟動快速 、環保、抗震抗壓、燈具可小型化等優點，以LED作為日 光燈光源的照明裝置目前被廣泛應用，用來替代氣體螢 光式日光燈。 〇 [0003] ：.... ...士 ：.. .......... 現有的LED曰光燈通常由圓柱形透明燈管以及安裝在燈管 内LED光源基板組成。為了提高LED日洗燈的照射度， LED光源基板上安裝多列的發光二極體（LED)，但所有的 發光二極體都向同一個方向照射，使得LED日光燈的照明 角度不足。也有為了增大照射角，採用照射角度較大的 草帽型發光二極體作為光源設置在LED光源基板上，但因 為草帽型發光二極體發光強度大，會導致LED曰光燈產生 強烈的眩光，影響照明品質。 [0004] 【發明内容】 有鑒於此，本發明提供一種照明角度良好，不會產生眩 光的LED通用日光燈。 [0005] 一種LED日光燈，包括散熱基座，固定於散熱基座上的燈 罩和光源基板，驅動電路，安裝在散熱基座與燈罩端部 的電源連接器，所述光源基板上安裝有多個發光二極體 ，驅動電路設置於散熱基座内部，光源基板包括至少兩 個子光源基板，所述兩個子光源基板上發光二極體照明 099117894 表單編號A0101 第3頁/共12頁 0992031750-0 201144664 方向的延長線的夾角小於180度。 [0006] 所述子光源基板非平行的以一定夾角設置，不同的子光 源照明方向不同，可以增大LED日光燈的配光區域與照明 角度。 【實施方式】 [0007] 下面參照附圖，以採用兩個LED光源基板為例來說明本發 明的具體結構和技術方案。 [0008] 請參考圖1，LED日光燈100包括散熱基座10、燈罩20和 電源連接器30。燈罩20固定在散熱基座10上，形成大致 為細長圓管狀結構。電源連接器30設置在散熱基座10與 燈罩20的兩個端部，電源連接器30用來與電源（未示出 )建立電連接。 [0009] 請參考圖2，是圖1中的LED日光燈沿著IV-IV方向的截面 圖。LED日光燈100還包括第一LED光源基板41、第二LED 光源基板42和驅動電路50。驅動電路50收納於散熱基座 10内部，其同時與電源連接器30、第一 LED光源基板41 、第二LED光源基板42相連接。驅動電路50包括直流/交 流轉換電路，主要用於把電源連接器30傳輸過來的交流 電轉化為直流電。第一LED光源基板41與第二LED光源基 板42上均設置有發光二極體43，根據需要發光二極體43 可以選擇照射角度較大的草帽型發光二極體、較高功率 發光二極體、或者彩色的發光二極體等不同種類。 [0010] 散熱基座10包括卡扣部11、散熱部12和固定架13。散熱 部12與固定架13之間形成一空腔14，驅動電路50收納於 099117894 表單編號A0101 第4頁/共12頁 0992031750-0 201144664 該空腔14内。所述散熱部12採用散熱性較好的鋁合金基 材製造，散熱部12的外表面還設置有凸起部121，以增加 散熱面積。卡扣部11與燈罩20邊緣的凸邊21相扣合，將 燈罩20固定在散熱基座1〇上。 [0011] ο ο 固定架13大致呈V型結構，第一LED光源基板41與第二 LED光源基板42分別固定在固定架13的兩側，故第一LED 光源基板41與第二LED光源基板42之間形成一夾角，第 一 LED光源基板41與第二LED光源基板42上發光二極體43 照明方向的延長線的夾角小於丨8〇度、第一LED光源基板 41與第二LED光源基板42非平行的以，定爽角設置，可以 增大LED日光燈100的照明角度。請一併參考圖3，第一配 光區域71表示本實施例中LED曰光燈1〇〇的配光曲線第 二配光區域72表示普通led日光燈的配_線，本實施例 中LED日光燈剛的照明角度明顯大於MLED日光燈。 -般第-LED光源基板41與第二哪光源基板42上發光二 極體43照明方向的延長線的失角可以設計在6GH70。 之間’固定架13簡_據第—LED光源基板41與第二 LED光源基板42之間的㈣進行設計，定架13採用㈣ 結構的設計也使得散熱部12_定架13之間的空腔財 積增大，便於收納驅動電路5G，對驅動電路5G上的各種 電子零器件的南度和尺寸限制減小。 [0012] 第-LED光源基板41與第二咖光源基板微固定架此 間通過高導熱性的導熱膠帶6()相貼合，導熱膝㈣可以 將第一 LED光源基板41與第二LED光源基板42產生的熱量 傳導至固定架13，然後再傳導至散熱部12。第-LED光源 099117894 表單編號A0101 第5頁/共12 頁 0992031750-0 201144664 基板41與第二LED光源基板42也可以通過螺釘固定或者其 他方式與固定架13相貼合，並在第一LED光源基板41、第 二LED光源基板42與固定架13之間均設置導熱板，用來將 第—LED光源基板41與第二LED光源基板42產生的熱量傳 導至散熱部12。 [0013] [00143 [0015] [0016] [0017] [0018] [0019] 燈罩20採用透明塑膠為基材，並在其中混合適當比例的 光擴散粒子’增加光散射效果並使光柔和化。在燈罩2〇 内表面設置柱狀凸起22，利用光折射機制改變光的射出 方向，來增加LED日光燈1〇〇的光照射角。所述燈罩2〇也 可以採用在内表面設置粗糙表面來增加燈罩的光漫散射 效果。 本技術領域的普通技術人員應當認識到，以上的實施方 式僅是用來說明本發明，而並非用作為對本發明的限定 ，只要在本發明的實質精神範圍之内，對以上實施例所 作的適當改變和變化都落在本發明畢求保讓的範圍之内 〇 .. ：：：;丨： 【圖式簡單說明】 圖1為本發明一實施方式中LED曰光燈的示意圖。 圖2為圖1中的LED日光燈沿著IV_IV方向的截面圖。 圖3圖1中的LED日光燈與普通日光燈的配光曲線圖。 【主要元件符號說明】 LED日光燈：100 散熱基座：10 099117894 表單編號A0101 第6頁/共12頁 0992031750-0 201144664 [0020] 卡扣部：11 [0021] 散熱部：12 [0022] 凸起部：121 [0023] 固定架：13 [0024] 空腔：14 [0025] 燈罩：20 [0026] 凸邊：21 Ο [0027] 柱狀凸起：22 [0028] 電源連接器：30 [0029] 第一LED光源基板：41 [0030] 第二LED光源基板：42 [0031] 發光二極體：43 [0032] 驅動電路：50 〇 [0033] ~ ；； % \..... 導熱膠帶：60 [0034] 第一配光區域：71 [0035] 第二配光區域：72 099117894 表單編號A0101 第7頁/共12頁 099203Π50-0201144664 VI. Description of the Invention: [Technical Field] [0001] The present invention relates to a fluorescent lamp, and more particularly to an LED fluorescent lamp. [0002] [Previous technology] Compared with conventional light sources, 'light-emitting diodes (LEDs) have higher luminous efficiency, low radiation, low power consumption, long life, low driving voltage, fast start-up, environmental protection, shock resistance, Lamps can be miniaturized, and LEDs are widely used as fluorescent light sources to replace gas fluorescent fluorescent lamps. 〇 [0003] :.... 士士:.................... Existing LED neon lamps usually consist of a cylindrical transparent tube and an LED light source substrate mounted in the tube. In order to increase the illumination of the LED daily light, a plurality of rows of light-emitting diodes (LEDs) are mounted on the LED light source substrate, but all of the light-emitting diodes are illuminated in the same direction, so that the illumination angle of the LED fluorescent lamps is insufficient. In order to increase the illumination angle, a straw-hat type light-emitting diode having a large irradiation angle is used as a light source on the LED light source substrate. However, since the straw-hat type light-emitting diode has a large light-emitting intensity, the LED neon lamp generates strong glare. , affecting the quality of lighting. SUMMARY OF THE INVENTION In view of the above, the present invention provides an LED universal fluorescent lamp which has a good illumination angle and does not cause glare. [0005] An LED fluorescent lamp includes a heat dissipation base, a lamp cover and a light source substrate fixed on the heat dissipation base, a driving circuit, a power connector mounted on the heat dissipation base and the end of the lamp cover, and a plurality of the light source substrate are mounted on the light source substrate a light-emitting diode, the driving circuit is disposed inside the heat-dissipating base, the light source substrate comprises at least two sub-light source substrates, and the two sub-light source substrates are illuminated by the LEDs 099117894 Form No. A0101 Page 3 / Total 12 Page 0992031750- 0 201144664 The angle of the extension of the direction is less than 180 degrees. [0006] The sub-light source substrate is non-parallel and disposed at a certain angle, and different sub-light sources have different illumination directions, so that the light distribution area and the illumination angle of the LED fluorescent lamp can be increased. [Embodiment] Hereinafter, specific structures and technical solutions of the present invention will be described by taking two LED light source substrates as an example with reference to the accompanying drawings. Referring to FIG. 1, an LED fluorescent lamp 100 includes a heat dissipation base 10, a lamp cover 20, and a power connector 30. The lamp cover 20 is fixed to the heat sink base 10 to form a substantially elongated tubular structure. A power connector 30 is provided at both ends of the heat sink base 10 and the shade 20, and the power connector 30 is used to establish an electrical connection with a power source (not shown). Please refer to FIG. 2, which is a cross-sectional view of the LED fluorescent lamp of FIG. 1 taken along the IV-IV direction. The LED fluorescent lamp 100 further includes a first LED light source substrate 41, a second LED light source substrate 42, and a driving circuit 50. The drive circuit 50 is housed inside the heat dissipation base 10, and is simultaneously connected to the power connector 30, the first LED light source substrate 41, and the second LED light source substrate 42. The drive circuit 50 includes a DC/AC conversion circuit for converting AC power transmitted from the power connector 30 into DC power. A light-emitting diode 43 is disposed on each of the first LED light source substrate 41 and the second LED light source substrate 42. The light-emitting diode 43 can select a straw-hat type light-emitting diode with a large irradiation angle and a high-power light-emitting diode. Different types such as body or color light-emitting diodes. [0010] The heat dissipation base 10 includes a buckle portion 11, a heat dissipation portion 12, and a fixing frame 13. A cavity 14 is formed between the heat dissipating portion 12 and the fixing frame 13, and the driving circuit 50 is housed in the cavity 14 in Form No. A0101, Page 4 of 12, 0992031750-0 201144664. The heat dissipating portion 12 is made of an aluminum alloy substrate having good heat dissipation, and the outer surface of the heat dissipating portion 12 is further provided with a convex portion 121 to increase the heat dissipating area. The latching portion 11 is engaged with the flange 21 at the edge of the lamp cover 20 to fix the lamp cover 20 to the heat sink base 1A. [0011] ο ο The fixing frame 13 is substantially V-shaped, and the first LED light source substrate 41 and the second LED light source substrate 42 are respectively fixed on both sides of the fixing frame 13 , so the first LED light source substrate 41 and the second LED light source substrate An angle is formed between the first LED light source substrate 41 and the extension line of the illumination direction of the light emitting diode 43 on the second LED light source substrate 42 is less than 〇8〇, the first LED light source substrate 41 and the second LED light source. The substrate 42 is non-parallel and is set at a constant angle to increase the illumination angle of the LED fluorescent lamp 100. Referring to FIG. 3 together, the first light distribution area 71 indicates the light distribution curve of the LED neon lamp 1 in the embodiment. The second light distribution area 72 indicates the distribution line of the ordinary LED fluorescent lamp. In this embodiment, the LED fluorescent lamp The lighting angle is just larger than the MLED fluorescent lamp. The declination of the extension line of the illumination direction of the light-emitting diode 43 on the second light source substrate 41 and the second light source substrate 42 can be designed to be 6 GH70. Between the 'fixed frame 13 _ according to the first - between the LED light source substrate 41 and the second LED light source substrate 42 (four) design, the fixed frame 13 uses (four) structure design also makes the heat dissipation portion 12_ between the shelves 13 empty The cavity product is increased to facilitate storage of the drive circuit 5G, and the southness and size limitation of various electronic zero devices on the drive circuit 5G are reduced. [0012] The first LED light source substrate 41 and the second LED light source substrate micro-fixing frame are respectively adhered by a high thermal conductive thermal conductive tape 6 (), and the thermal conductive knee (4) can be the first LED light source substrate 41 and the second LED light source substrate The heat generated by 42 is conducted to the holder 13 and then conducted to the heat sink portion 12. The first LED light source 099117894 Form No. A0101 Page 5 / Total 12 Page 0992031750-0 201144664 The substrate 41 and the second LED light source substrate 42 may also be screwed or otherwise attached to the fixing frame 13 and in the first LED light source. A heat conducting plate is disposed between the substrate 41, the second LED light source substrate 42 and the mounting frame 13 for conducting heat generated by the first LED light source substrate 41 and the second LED light source substrate 42 to the heat radiating portion 12. [0013] [0019] [0019] [0019] The lampshade 20 uses a transparent plastic as a substrate and mixes therein with appropriate proportions of light-diffusing particles to increase the light scattering effect and soften the light. A columnar projection 22 is provided on the inner surface of the globe 2, and the light emission direction is changed by a light refraction mechanism to increase the light irradiation angle of the LED fluorescent lamp. The lamp cover 2 can also be provided with a rough surface on the inner surface to increase the light diffusing scattering effect of the lamp cover. It is to be understood by those skilled in the art that the above embodiments are only intended to illustrate the invention, and are not intended to limit the invention, as long as it is within the spirit of the invention The changes and variations fall within the scope of the present invention. ::.. :::;丨: [Simplified description of the drawings] Fig. 1 is a schematic view of an LED neon lamp according to an embodiment of the present invention. Figure 2 is a cross-sectional view of the LED fluorescent lamp of Figure 1 taken along the IV_IV direction. Fig. 3 is a light distribution diagram of the LED fluorescent lamp and the ordinary fluorescent lamp in Fig. 1. [Main component symbol description] LED fluorescent lamp: 100 Heat sink base: 10 099117894 Form number A0101 Page 6 / Total 12 page 0992031750-0 201144664 [0020] Buckle: 11 [0021] Heat sink: 12 [0022] Part: 121 [0023] Fixing frame: 13 [0024] Cavity: 14 [0025] Lampshade: 20 [0026] Bump: 21 Ο [0027] Columnar bump: 22 [0028] Power connector: 30 [0029] First LED light source substrate: 41 [0030] Second LED light source substrate: 42 [0031] Light-emitting diode: 43 [0032] Drive circuit: 50 〇 [0033] ~ ;; % \..... Thermal tape : 60 [0034] First light distribution area: 71 [0035] Second light distribution area: 72 099117894 Form number A0101 Page 7 / Total 12 pages 099203 Π 50-0