TWM362952U - Light guiding plate and lamp having the same - Google Patents

Light guiding plate and lamp having the same Download PDF

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Publication number
TWM362952U
TWM362952U TW98206698U TW98206698U TWM362952U TW M362952 U TWM362952 U TW M362952U TW 98206698 U TW98206698 U TW 98206698U TW 98206698 U TW98206698 U TW 98206698U TW M362952 U TWM362952 U TW M362952U
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Taiwan
Prior art keywords
guide plate
light guide
light
lamp
bump
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TW98206698U
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Chinese (zh)
Inventor
Wen-Liang Wu
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Wen-Liang Wu
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Priority to TW98206698U priority Critical patent/TWM362952U/en
Publication of TWM362952U publication Critical patent/TWM362952U/en

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Description

M362952 五、新型說明: 【新型所屬之技術領域】 本創作係有關於一種導光板技術,尤指一種光 線柔和及避免產生炫光之導光板及具有該導光板之 燈具。 【先前技術】 發光二極體使用於燈具以越來越普遍,因為發 光一極體本身具有能提升照明亮度、效率、使用效 率以及穩定性等優點,所以絕大多數的燈具或照明 »又備皆採用兩功率的發光二極體。但由於發光二極 體所產生的光束係為單向性且不易擴散,使光線無 法朝各角度均勻的射出,而為了克服此一問題,即 有業者設計一種具燈具使其設置有複數各具備不同 角度的發光二極體,以期光線能夠均勻的散射。但 以此種方式不僅結構複雜、製造困難且又會增加製 造成本,所以並無法有效應用於各種燈具。 口此’為了使光線能夠更均勻的擴散,即可將 發光二極體搭配一導光板的設置,使發光二極體的 光束此夠均勻的朝特定方向散射,以增加發光二極 體的照明區域。習知導光板的結構請參閱第1圖所 示,係顯示習知導光板之前視圖,該導光板丨係為 透光材質所製成之長矩型的板狀體,使該導光板i /、有相對之頂面11及底面12,並且於鄰近該頂面 M362952 11設有一反光片]q 13,该反光片13的中央# _ 形成一 V型部131。 天门下弓折 係設置於該導光杌彳^ 往體14 的二側邊,使複數發光二極體 1 4所產生之光線自t * b直接照射於反光片1 3之V型部 1 3 1後,光線會夸5,丨。, & S] V型部1 3 1之反射而均勻的朝 向下方射出,以;告不丨,上 達到光線均勻穩定之目的。 准此種習知技術中,發光二極體1 4所產生的 光線 H?、射到 V 型 Jil7 1 Q -I ^ . yv AJ. ξ\\ ^ W 〇、J 〜 原本投射的位置(即發光二極體的位置),造成部分 光線流失’並且當發光二極體所產生的光線又與析 射回來的光線接觸時,會產生炫光,進而導致使用 者的不舒適感。並且,A線流失將導致'照明區 土 w 1 31時,一部份的光線會折射到 庳太将粉06 A 32,„ . 抓/> 威縮 減及光線不均勻等現象產生。 【新型内容】 ^ 曰的在· 鑒於上述習知技術之缺點,本創作之 > 導 於提供一種能使光線鮮明柔和之導光板及異有v 光板之燈具。 么fi炫光 本創作之另一目的在於提供一種避免虞 之導光板及具有該導光板之燈具。 名 (,σ 本創作之另一目的在於提供一種、结構爭, 光板及具有該導光板之燈具。 ” Λτ 之導 本創作之另一目的在於提供一獾易於製作’ 光板及具有該導光板之燈具。 4 M362952 為達上述目的,本創作之「導光板」係應用於 燈殼,該導光板係具有相對之第一表面及第二表 面,其中該導光板的第一表面設有反光面,該反光 面之内表面設有朝向第二表面凸出之複數凸點。 於一較佳實施例中,該導光板係為長矩型片狀 體,而複數凸點係等距間隔排列設於反光面之中央 部位。 為達上述目的,本創作亦提供一種「具有該導 光板之燈具」,該係包括:一燈殼,係具有至少一容 置槽;至少一導光板,係具有相對之第一表面及第 二表面,該導光板的第一表面設有反光面,該反光 面之内表面設有朝向第二表面凸出之複數凸點;以 及複數發光二極體,係設置於該容置槽之二侧内壁 面且相對該導光板之二侧邊。 於一較佳實施例中,該導光板係為長矩型片狀 體,而複數凸點係等距間隔排列設於反光面之中央 部位。 相較於習知技術,本創作之導光板的反光面上 設有複數凸點,當發光二極體的光線照設於複數凸 點上時,光線會霧化,而使光線變柔和後在朝向第 二表面射出,進而能避免炫光或刺眼的情形產生。 【實施方式】 以下係藉由特定的具體實施例說明本創作之實 M362952 施方式’所屬技術領 明m τ具有通常知識 明書所揭示之内衮鉍旦α 1 」由本說 鬥合較易地瞭解本創作之复 功效。 /、他優點與 請參閱第2圖及镇q κ 〆 夂弟3圖所不,係依本 板之結構所I會製之示意圖。如第2 V光 導光板2係具有相對之第—表面21及二圖所示, 该第一表面21設有_反# 、面22, 在工先面23 ’該反光面23夕知 表面设有朝向之内 J弟一表面凸出之複數凸點 數凸點231係等距轴ΑΑ 〇1 ’且複 竹寺距排列的設於該反光面 位。 <中央部 在本實施例中,兮蓬也 4寺先板2係為長矩型導 2,而複數凸點23 1扦盔m r ♦九板 (丁、為0形凸點231,當妷廿τ 此為限,在:M:他資浐彳,土 …、亚不以 、他貝允例中’該導純2亦可為 型導光板2、圓片型導# ,'、方矩 ^ , t ¥先板2、乡邊型導光板2或复 他等效形狀之導光柘9 # 4其 ,°Λ凸點231亦可為圓形 Ά 2 31、橢圓形凸7 ^彳 ,'占231 '方形凸點231、三 點231或其他等效邢壯 > 几 一内t凸 从t狀之凸點2 3 1。 在實際使用時,墓出士 ^ ^ , V先板2的二側係設有複數發 光二極體(在本圖中土 一、 τ未不)’發光二極體所產生之光 線照射到複數凸點2 Ή尨 尺 , ^<31後’會將光線霧化使強烈之 光線轉變為柔和之光的,& ± 斤 , 九、.泉’而朝向第二表面射出到外 界’所以能使光線更.* 丈為木和、不刺眼,因而更能保 邊使用者之眼睛。 請參閱第4圖乃货c 及弟5圖所示,係依本創作具有 M362952 該導光板之燈具所繪製之示意圖,在第4圖中係將 燈殼以底面朝上的方式繪製,而第5圖係以由下往 上之視角繪製。如第4圖及第5圖所示,具有該導 光板之燈具3係包括有一燈殼3 1、設於燈殼之至少 一導光板3 2以及複數發光二極體3 3。 燈殼31係為片狀之結構,且於該燈殼31中央 ' 設有一形狀對應該導光板32之容置槽3 11,該容置 - 槽3 11係大於該導光板3 2,並且該容置槽3 11内更 • 設有複數穿孔3 1 2,以利於散熱。 導光板32 —樣具有相對之第一表面321及第二 表面322,該第一表面321設有一反光面323,該反 光面323之内表面設有朝向第二表面322凸出之複 數凸點3 2 4,且複數凸點3 2 4係等距排列的設於該 反光面3 2 3之中央部位。該導光板3 2係以第一表面 321設於容置槽31 1之底部,使第二表面322朝向 外界。 • 複數發光二極體3 3係設於該容置槽3 11内的相 對二侧邊,在本實施例中,複數發光二極體3 3係等 距間隔排列的設於一長條型板片上,在設於該容置 ' 槽311内的二側邊,當然在其他實施例中,複數發 " 光二極體亦可直接設於容置槽3 11内的二側邊,並 且,複數發光二極體3 3皆朝向導光板3 2而設置。 再者,該燈殼3 1的一側係可進一步設置一供電 裝置3 4,以電性連接複數發光二極體3 3,由於該供 7 M362952 電裝置34係為一般常見使用於燈具之技術,所以在 此將不再贅述。另外,該容置槽3 11的上方可進一 步設置一蓋板34,以將導光板32及複數發光二極 體3 3固定於容置槽3 11内部。 在實際使用時,係以導光板32之第二表面322 朝向下方的方式設置,而位於容置槽3 11内二側之 發光二極體33所產生的光線會朝向導光板2内部設 入,使發光二極體3 3所產生之光線照射到導光板2 内部之複數凸點324後,光線將霧化而使強烈之光 線轉變為柔和之光線,再朝向第二表面3 2 2射出到 外界,所以,能使照設於外界的光線更為柔和、不 刺眼,因此,更能保護使用者之眼睛。 相較於習知技術,本創作係利用導光板内部之 反光面上複數凸點的設置,使光線照設於複數凸點 上時,光線會霧化成柔和、不刺眼之光線,並能更 均勻的朝向第二表面射出到外界,所以能避免產生 炫光或光源再折射回到發光二極體的位置而造成光 線流失等問題。所以能提供使用者更柔和、更均勻 之光線,以保護使用者之眼睛,並能提升使用者之 舒適感。 以上實施例僅例示性說明本創作之原理及其功 效,而非用於限制本創作。任何所屬技術領域中具 有通常知識者均可在不違背本創作之精神及範疇 下,對上述實施例進行修飾與改變。因此,舉凡所 8 M362952 屬技術領域中具有通常知識者 示之精神與技術思想下所完成 變,仍應由後述之申請專利範 在未脫離本創作所揭 之一切等效修飾或改 圍所涵蓋。 M362952 【圖式簡單說明】 第1圖,為習知導光板之前視圖。 第2圖,為本創作導光板之立體外觀圖。 第3圖,為本創作導光板之側視剖面圖。 第4圖,為本創作具有該導光板之燈具之立體分解 圖。 第5圖,為本創作具有該導光板之燈具之立體外觀 圖。 【主要元件符號說明】 1 導光板 11 頂面 12 底面 13 反光片 131 V型部 14 發光二 極體 2 導光板 21 第一表 面 22 第二表 面 23 反光面 231 凸點 3 燈具 31 燈殼 311 容置槽 10 M362952 312 穿 孔 32 導 光 板 321 第 一 表 面 322 第 -- 表 面 323 反 光 面 324 凸 點 33 發 光 二 極 34 供 電 裝 置M362952 V. New Description: [New Technology Field] This creation is about a light guide plate technology, especially a light guide plate with soft light and avoiding glare and a light fixture with the light guide plate. [Prior Art] Luminous diodes are more and more popular for use in luminaires, because the illuminating ones themselves have the advantages of improving illumination brightness, efficiency, efficiency and stability, so most lamps or lighting » Both power LEDs are used. However, since the light beam generated by the light-emitting diode is unidirectional and difficult to diffuse, the light cannot be uniformly emitted toward all angles, and in order to overcome this problem, a manufacturer designs a lamp with a plurality of lamps. Light-emitting diodes of different angles, in order to evenly scatter light. However, in this way, not only the structure is complicated, the manufacturing is difficult, but also the manufacturing cost is increased, so that it cannot be effectively applied to various lamps. In order to make the light spread more evenly, the light-emitting diode can be arranged with a light guide plate, so that the light beam of the light-emitting diode can be uniformly scattered in a specific direction to increase the illumination of the light-emitting diode. region. For the structure of the conventional light guide plate, as shown in FIG. 1 , a front view of a conventional light guide plate is shown. The light guide plate is a long rectangular plate body made of a light transmissive material, so that the light guide plate i /, The top surface 11 and the bottom surface 12 are opposite to each other, and a reflecting sheet]q 13 is disposed adjacent to the top surface M362952 11, and a central portion _ of the reflecting sheet 13 forms a V-shaped portion 131. The lower bow of the Tianmen is disposed on the two sides of the light guide body 14, so that the light generated by the plurality of light-emitting diodes 14 is directly irradiated from the V* portion of the light-reflecting sheet 13 from the t*b. After 1, the light will boast 5, hehe. , &S; V-shaped part 1 3 1 reflected and evenly shot downwards, so that the light is evenly stable. In the conventional technique, the light H? generated by the light-emitting diode 14 is incident on the V-type Jil7 1 Q -I ^ . yv AJ. ξ\\ ^ W 〇, J ~ the position of the original projection (ie The position of the light-emitting diode causes a partial loss of light' and when the light generated by the light-emitting diode is in contact with the reflected light, glare is generated, which causes the user's discomfort. Moreover, the loss of the A line will lead to the 'lighting area soil w 1 31, a part of the light will be refracted to the 庳太将粉06 A 32, „ .. grasping &> reduction and uneven light. Content] ^ 曰在在····································································································· The invention provides a light guide plate for avoiding defects and a lamp having the same. Name (, σ Another purpose of the creation is to provide a structure, a light plate and a lamp having the light guide plate.) One purpose is to provide a light-emitting panel and a light fixture having the same. 4 M362952 For the above purpose, the "light guide plate" of the present invention is applied to a lamp housing, which has a first surface and a first surface. a second surface, wherein the first surface of the light guide plate is provided with a reflective surface, and the inner surface of the reflective surface is provided with a plurality of bumps protruding toward the second surface. In a preferred embodiment, the light guide plate is of a long rectangular shape. Flaky The body and the plurality of bumps are arranged at equal intervals in the central portion of the reflecting surface. To achieve the above object, the present invention also provides a "lighting device having the light guide plate", the system comprising: a lamp housing having at least one The accommodating groove; the at least one light guide plate has an opposite first surface and a second surface, the first surface of the light guide plate is provided with a reflective surface, and the inner surface of the reflective surface is provided with a plurality of convex protrusions protruding toward the second surface And a plurality of light-emitting diodes disposed on the inner wall surface of the two sides of the accommodating groove and opposite to the two sides of the light guide plate. In a preferred embodiment, the light guide plate is a long-length sheet-like body. The plurality of bumps are arranged at equal intervals in the central portion of the reflective surface. Compared with the prior art, the light guide plate of the present invention has a plurality of bumps on the reflective surface, and the light of the light-emitting diode is applied to the plurality of When the bump is on, the light is atomized, and the light is softened and then emitted toward the second surface, thereby avoiding glare or glare. [Embodiment] The following is a specific embodiment to illustrate the creation. Real M362 952 The method of the 'Technology stipulates that m τ has the internal knowledge of the internal knowledge as revealed by the general knowledge book.” This book is easier to understand the complex effect of this creation. /, his advantages and please refer to Figure 2 and The town q κ 〆夂 3 3 3 3 , , , , , 依 依 依 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 _反#, face 22, on the front surface 23' the reflective surface 23, the surface is provided with a plurality of convex bumps 231 which are convex toward the surface of the J-dipole, and the equiaxed axis 〇1' The arrangement of the Fuzhu Temple is arranged on the reflective surface. <The central part In this embodiment, the temple is also a long-circular guide 2, and the complex bumps 23 1 helmets mr ♦ nine boards (D, is a 0-shaped bump 231, when 妷廿τ is limited, in: M: he is a smuggling, earth..., Yabu, He Beiyun, 'The pure 2 can also be a type of light guide 2, the wafer type guide #, ', square moment ^, t ¥ first board 2, the town side type light guide plate 2 or the other equivalent shape of the light guide # 9 # 4, ° Λ bump 231 can also be a circle Shape 2 31, elliptical convex 7 ^彳 , 'occupies 231' square bump 231, three points 231 or other equivalent Xing Zhuang > a few inside t convex from the t-shaped bump 2 3 1 . In actual use, the tombs are ^^, and the two sides of the V first plate 2 are provided with a plurality of light-emitting diodes (in the figure, soil one, τ is not). The light generated by the light-emitting diode is irradiated to the plural. Bump 2 Ή尨, ^ <31 after 'will atomize the light to make the intense light into a soft light, & ± jin, nine, spring 'and the second surface to the outside' so can Make the light more.* The wood is not glaring, so it can keep the eyes of the user. Please refer to Figure 4, which is shown in Figure 5 and Figure 5, which is drawn according to the luminaire with the M362952 light guide plate. In Figure 4, the lamp housing is drawn with the bottom surface facing upwards. 5 The picture is drawn from the bottom to the top. As shown in Figures 4 and 5, the lamp 3 having the light guide plate includes a lamp housing 31, at least one light guide plate 32 disposed in the lamp housing, and a plurality of light-emitting diodes 33. The lamp housing 31 is in the form of a sheet, and a receiving groove 3 11 having a shape corresponding to the light guiding plate 32 is disposed in the center of the lamp housing 31, and the receiving-groove 3 11 is larger than the light guiding plate 32, and In the accommodating groove 3 11 , a plurality of perforations 3 1 2 are provided to facilitate heat dissipation. The light guide plate 32 has a first surface 321 and a second surface 322. The first surface 321 is provided with a reflective surface 323. The inner surface of the reflective surface 323 is provided with a plurality of bumps 3 protruding toward the second surface 322. 2 4, and a plurality of bumps 3 2 4 are arranged equidistantly at a central portion of the reflective surface 3 2 3 . The light guide plate 32 is disposed on the bottom of the accommodating groove 31 1 with the first surface 321 so that the second surface 322 faces the outside. The plurality of light-emitting diodes 3 3 are disposed on opposite sides of the accommodating groove 3 11 . In the embodiment, the plurality of light-emitting diodes 3 3 are arranged at equal intervals and arranged on a long strip. On the other hand, the two sides of the accommodating groove 3 311 are disposed on the two sides of the accommodating groove 3 11 , and in other embodiments, the plurality of light emitting diodes may be directly disposed on the two sides of the accommodating groove 3 11 , and The light-emitting diodes 3 3 are all disposed toward the light guide plate 32. Furthermore, one side of the lamp housing 31 can further be provided with a power supply device 34 for electrically connecting the plurality of light-emitting diodes 3 3, since the 7 M362952 electrical device 34 is a commonly used technology for lamps. , so I won't go into details here. In addition, a cover plate 34 is further disposed above the accommodating groove 3 11 to fix the light guide plate 32 and the plurality of light-emitting diodes 3 3 inside the accommodating groove 3 11 . In actual use, the second surface 322 of the light guide plate 32 is disposed downward, and the light generated by the light-emitting diodes 33 on the two sides of the receiving groove 31 is disposed toward the inside of the light guide plate 2, After the light generated by the light-emitting diode 3 3 is irradiated to the plurality of bumps 324 inside the light guide plate 2, the light will be atomized to convert the intense light into a soft light, and then emitted toward the second surface 32 2 to the outside. Therefore, the light that is placed outside is softer and less glaring, thus protecting the eyes of the user. Compared with the prior art, the present invention utilizes the setting of a plurality of bumps on the reflective surface inside the light guide plate to make the light atomize into a soft, non-glare light and more uniform when the light is applied to the plurality of bumps. The second surface is emitted to the outside, so that problems such as glare or light source refraction back to the position of the light-emitting diode and loss of light can be avoided. Therefore, it can provide users with softer and more uniform light to protect the eyes of the user and enhance the user's comfort. The above embodiments are merely illustrative of the principles of the present invention and its effects, and are not intended to limit the present invention. Modifications and variations of the above-described embodiments may be made without departing from the spirit and scope of the invention. Therefore, the changes in the spirit and technical ideas of the general knowledge in the technical field of the 8 M362952 are still covered by all the equivalent modifications or revisions of the patent application described below. . M362952 [Simple description of the drawing] Fig. 1 is a front view of a conventional light guide plate. Fig. 2 is a perspective view of the light guide plate of the present invention. Figure 3 is a side cross-sectional view of the light guide plate of the present invention. Fig. 4 is a perspective exploded view of the lamp having the light guide plate. Fig. 5 is a perspective view showing the appearance of a lamp having the light guide plate. [Main component symbol description] 1 Light guide plate 11 Top surface 12 Bottom surface 13 Reflector 131 V-shaped portion 14 Light-emitting diode 2 Light guide plate 21 First surface 22 Second surface 23 Reflective surface 231 Bump 3 Lamp 31 Lamp housing 311 Slot 10 M362952 312 Perforation 32 Light guide plate 321 First surface 322 First - Surface 323 Reflective surface 324 Bump 33 Light-emitting diode 34 Power supply

1111

Claims (1)

M362952 六、申請專利範圍: 1. 一種導光板,係應用於燈殼,該導光板係具有相對 之第一表面及第二表面,其特徵在於: 該導光板的第一表面設有反光面,該反光面之 内表面設有朝向第二表面凸出之複數凸點。 2. 如申請專利範圍第1項之導光板,其中,該導光板 係為長矩型片狀體。 - 3.如申請專利範圍第1項之導光板,其中,該複數凸 p 點係設於反光面之中央部位。 4. 如申請專利範圍第3項之導光板,其中,該複數凸 點係等距間隔的排列於該反光面之中央部位。 5. 如申請專利範圍第1項之導光板,其中,該凸點係 為圓形凸點、橢圓形凸點、方形凸點或三角形凸點。 6. 如申請專利範圍第1項之導光板,其中,該燈殼係 具有一容置槽,該導光板係設於該容置槽内。 7. —種具有導光板之燈具,係包括: φ 一燈殼,係具有至少一容置槽; 至少一導光板,係具有相對之第一表面及第二 表面,該導光板的第一表面設有反光面,該反光面 ' 之内表面設有朝向第二表面凸出之複數凸點;以及 ' 複數發光二極體,係設置於該容置槽之二侧内 壁面且相對該導光板之二側邊。 8. 如申請專利範圍第7項之具有導光板之燈具,復設 有一燈架,該燈架係樞接於該燈殼。 12 M362952 9.如申請專利範圍第7項之具有導光板之燈 中,該導光板係為長矩型片狀體。 1 0.如申請專利範圍第7項之具有導光板之燈 中,該複數凸點係設於反光面之中央部位。 1 1.如申請專利範圍第1 0項之具有導光板之燈 中,該複數凸點係等距間隔的排列於該反光 央部位。 1 2.如申請專利範圍第7項之具有導光板之燈 中,該凸點係為圓形凸點、橢圓形凸點、方 或三角形凸點。 1 3 .如申請專利範圍第7項之具有導光板之燈 包括一電性連接該複數發光二極體之供電裝 具,其 豆,直 /、 /、 具,其 面之中 具,其 形凸點 具,復 置。M362952 VI. Patent Application Range: 1. A light guide plate is applied to a lamp housing, wherein the light guide plate has a first surface and a second surface opposite to each other, wherein: the first surface of the light guide plate is provided with a reflective surface. The inner surface of the reflective surface is provided with a plurality of bumps that are convex toward the second surface. 2. The light guide plate of claim 1, wherein the light guide plate is a long rectangular sheet. - 3. The light guide plate of claim 1, wherein the plurality of convex p points are disposed at a central portion of the reflective surface. 4. The light guide plate of claim 3, wherein the plurality of bumps are arranged at equal intervals in a central portion of the reflective surface. 5. The light guide plate of claim 1, wherein the bump is a circular bump, an elliptical bump, a square bump or a triangular bump. 6. The light guide plate of claim 1, wherein the lamp housing has a receiving groove, and the light guide plate is disposed in the receiving groove. 7. A lamp having a light guide plate, comprising: φ a lamp housing having at least one receiving groove; at least one light guide plate having a first surface and a second surface opposite to each other, the first surface of the light guide plate a reflective surface is provided, the inner surface of the reflective surface ′ is provided with a plurality of bumps protruding toward the second surface; and a plurality of light-emitting diodes are disposed on the inner wall surfaces of the two sides of the accommodating groove and opposite to the light guide plate The second side. 8. The lamp having a light guide plate according to item 7 of the patent application is provided with a lamp holder, and the lamp holder is pivotally connected to the lamp housing. 12 M362952 9. The lamp having a light guide plate according to item 7 of the patent application, wherein the light guide plate is a long rectangular sheet-like body. 1 0. The lamp having a light guide plate according to item 7 of the patent application, wherein the plurality of bumps are disposed at a central portion of the reflective surface. 1 1. In the lamp having the light guide plate of claim 10, the plurality of bumps are arranged equidistantly spaced apart from the reflective center portion. 1 2. In the lamp having a light guide plate according to item 7 of the patent application, the bump is a circular bump, an elliptical bump, a square or a triangular bump. A lamp having a light guide plate according to claim 7 includes a power supply device electrically connected to the plurality of light-emitting diodes, the bean, the straight/, /, and the surface thereof, the shape thereof Convex, reposition.
TW98206698U 2009-04-22 2009-04-22 Light guiding plate and lamp having the same TWM362952U (en)

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TWM362952U true TWM362952U (en) 2009-08-11

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2314911A2 (en) 2009-10-26 2011-04-27 Young Lighting Technology Corporation Light source apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2314911A2 (en) 2009-10-26 2011-04-27 Young Lighting Technology Corporation Light source apparatus

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