TWM392322U - LED bulb with wide-angle illumination - Google Patents

LED bulb with wide-angle illumination Download PDF

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Publication number
TWM392322U
TWM392322U TW99210976U TW99210976U TWM392322U TW M392322 U TWM392322 U TW M392322U TW 99210976 U TW99210976 U TW 99210976U TW 99210976 U TW99210976 U TW 99210976U TW M392322 U TWM392322 U TW M392322U
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Taiwan
Prior art keywords
light
emitting diode
wide
circuit board
angle
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TW99210976U
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Chinese (zh)
Inventor
xiang-hua Wang
Original Assignee
Wang Xiang Yun
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Priority to TW99210976U priority Critical patent/TWM392322U/en
Publication of TWM392322U publication Critical patent/TWM392322U/en

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  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Description

M392322 本創作「廣角照明之發光二極 種接近於傳統燈泡呈輻射狀 泡」’係曰 極體燈泡。 的廣角照明發光二 先前技術】M392322 The creation of "wide-angle illumination of the light-emitting diode is close to the traditional bulb is a radial bubble" 'system 曰 polar bulb. Wide-angle illumination light II prior art]

按,發光二極體(LED)的昭 0 4,^ 耵…月已廣泛應用在 日先燈、吸頂燈、探照燈 '燈泡 〜 五/匕寺燈具上,均發揮 ?的效能;"光二極體的發光是單方向射 出’因此對於手電筒、探照燈、吸頂燈、曰光严等 早方向射出的光源燈能夠較早被開發且應用不 錯’但如果欲將發光二極體應用設計成㈣狀發光 廣角照明)的燈泡上,則在設計上要比傳統的發According to the light-emitting diode (LED), the display has been widely used in the daylights, ceiling lamps, searchlights, 'bulbs~ five / 匕 temple lamps, all play the performance; " light diode The illuminating of the body is emitted in one direction. Therefore, the light source lamp that is emitted in the early direction such as flashlight, searchlight, ceiling lamp, and stern light can be developed earlier and applied well. However, if the LED application is to be designed as (four) illuminating Wide-angle lighting) on the bulb, it is designed to be more traditional than the hair

五、新型說明: 【新型所屬之技術領域 光二極體燈具要更困難許多,且仍有許多需要克服 的難題。 請參看第6圖所示,係為傳統的發光二極體燈 泡設計,主要設有一燈座(5 〇 ),於一端設有電 路板(60)’在該電路板(6〇 )上以表面粘著(smt) 方式設有數顆發光二極體(7 〇 ),再設—球形燈 罩(圖中未示)於其上而形成一燈泡設計;請配合 參看第6、7圖所示’上述諸發光二極體(7〇) 之結構’係具有一傾斜的外環牆(7 1 ),在該外 3 M392322 環牆(7 1 )内則以螢光粉封膠(7 2 )封設有發 光一極體晶片(7 3 )’使得該發光二極體晶片(7 3 )發光後,能朝著前方並沿著外環牆(7 i )射 出,惟此種結構在使用上具有如下之缺點:V. New description: [New technology field The light diode lamp is much more difficult, and there are still many problems to be overcome. Please refer to Figure 6, which is a traditional LED bulb design. It is mainly equipped with a lamp holder (5 〇), and a circuit board (60) is provided at one end to surface on the circuit board (6 〇). The smt method is provided with a plurality of light-emitting diodes (7 〇), and a spherical lamp cover (not shown) is formed thereon to form a bulb design; please refer to the above descriptions in Figures 6 and 7 The structure of the light-emitting diodes (7〇) has a slanted outer ring wall (7 1 ), and is sealed with a fluorescent powder seal (7 2 ) in the outer 3 M392322 ring wall (7 1 ). The light-emitting one-pole wafer (73) is such that the light-emitting diode chip (73) emits light toward the front and along the outer ring wall (7i), but the structure has the following use in use. Disadvantages:

i.由於發光二極體晶片(73)向外發射的光線受 到周圍的外環牆(7 1 )所阻擋,故正常的投射 角度僅有120度以内;因此,此種燈泡無法得到 較廣角度的照明’是主要的缺點。 針對這個缺點’現以第8圖所示燈泡之光形 分佈示意圖來表示,如主要亮度的第一光型分布 線(c 1 )及-人級売度的第二光型分布線(C 2 ) 均落於燈座(50)端面的水平線(L〇)以上 或附近,故在燈罩(80)的下方周緣其實是十 分暗淡的,造成照明的不足,是其主要的缺點。i. Since the light emitted from the LED chip (73) is blocked by the surrounding outer ring wall (7 1 ), the normal projection angle is only within 120 degrees; therefore, the bulb cannot obtain a wide angle. The lighting 'is the main drawback. For this shortcoming, 'the light distribution diagram of the bulb shown in Fig. 8 is now shown, such as the first light type distribution line (c 1 ) of the main brightness and the second light type distribution line of the human level (C 2 ) Both of them fall above or near the horizontal line (L〇) of the end face of the lamp holder (50), so the periphery of the lower side of the lamp cover (80) is actually very dim, causing insufficient illumination, which is its main disadvantage.

2.其人/如第6圖所示,由於習用的發光二極體(7 0 )係為已完成封裝的零 J +件(日日片),故需再將其 以SMT方式焊設在 丑座(50)上的電路板(6 於體積較大且需要作業空間,故使每一 發光二極體 ' (70)間的距離(S)較大,列當欲 使用多顆的發光二極體(70)時除了佔用^ 的電路板(6ΓΜ&4 用較大 〇 )面積,同時散熱模组 成本上較高,而甚J更大在 而產πσ體積亦更笨重為缺點。 【新型内容】 4 本創作之主要目%,係將燈座散熱模組的-端 設有電路板,同時該電路板上的高功率發光二極體 係以COB(即CHIP〇NB〇ARD)方式設於電路板 上,另汉-球形燈罩,係罩設於燈座散熱模組之發 光二極體上方;因此’使用本創作時’由於發光二 極體係以COB(即CHip〇nb〇ard)方式設於電路 板上,故發光二極體的發光角度接近180度,再加 上球开v的燈罩内壁的特殊塗佈處理,能使燈泡所發 出光的角度可達270度以上;而在整體的亮度上, 該主要照明的光均可及於燈座端面的水平線以下, 使得燈泡的下半部周遭仍具有極佳的照明,為本創 作之特色。 本創作之設計,以發光的發光角度及均勻度來 說’是等同於習用的鎢絲燈泡及省電燈泡的輻射狀 發光效果’但由於本案係使用LED燈泡,故成本及 壽命均高’且更為環保、明亮,是本創作的主要優 點。 【實施方式】 為使貝審查委員能清楚了解本創作之内容,僅 以下列說明搭配圖式,說明如后: 請參看第1 、2圖所示,本創作至少包含有: 一燈座散熱模組(1 0 ),於一端設有電路板(2 〇)’同時該電路板(2〇)上至少設有一顆發光二 極體(3 〇 )(但本創作之圖式以六顆為示意),該 M392322 發光二極體(3 Ο )係以COB(即CHIP ON BOARD) 方式設於電路板(2 0 )上。 請參看第5圖所示,由於發光二極體(3 0) 係以COB(即CHIP ON BOARD)方式設於電路板(2 0)上,故該發光二極體(30)的射角係幾乎直 接由電路板(2 0 )上向外擴散射出,一般幾乎可 達約180度的發光角度(㊀1 )。 上述第1、2圖所示的燈座散熱模組(1 〇), 是用來吸收並傳導該發光二極體(3 〇 )所產生之 熱’並予導引消散。 一球形燈罩(4 0 ),係罩設於燈座散熱模組(工 〇)之發光二極體(30)上方,該燈罩(4〇) 的内壁(4 0 0)係為球形的内面弧度,如第2、 3圖所示,备發光二極體(3 〇 )發出強烈的白光 時,能均勻的朝燈罩(4〇)的内壁(4〇〇)散 出其中I出之光線(L1)若係垂直或接近垂 直的角度投射於燈罩(4 〇 )的内壁(4 〇 〇 )時, 即會穿過燈罩(4〇 0 ),若過於傾斜投射於燈罩(42. The person/as shown in Figure 6, since the conventional light-emitting diode (70) is a zero-J+ piece (daily film) that has been packaged, it needs to be soldered in SMT mode. The circuit board on the ugly seat (50) (6 is large in size and requires working space, so the distance (S) between each light-emitting diode' (70) is larger, and it is necessary to use multiple light-emitting two. In the case of the polar body (70), in addition to the area occupied by the circuit board (6ΓΜ & 4 with a larger size), the cost of the heat dissipation module is higher, and the J is larger and the volume of the πσ is more cumbersome. Contents] 4 The main purpose of this creation is to have a circuit board at the end of the lamp socket cooling module, and the high-power light-emitting diode system on the circuit board is set in COB (ie CHIP〇NB〇ARD). On the circuit board, another Han-spherical lampshade is placed over the light-emitting diode of the lamp socket heat-dissipating module; therefore, when using this creation, the light-emitting diode system is set by COB (ie CHip〇nb〇ard). On the circuit board, the illumination angle of the light-emitting diode is close to 180 degrees, and the special coating treatment of the inner wall of the lamp cover of the ball is enabled. The angle of light emitted by the bulb can reach 270 degrees or more; and in the overall brightness, the main illumination light can be below the horizontal line of the end face of the lamp holder, so that the lower half of the bulb still has excellent illumination. The characteristics of this creation. The design of this creation, in terms of the luminous angle and uniformity of illumination, is equivalent to the conventional tungsten filament bulb and the radiation-emitting effect of the energy-saving bulb. However, since the LED bulb is used in this case, the cost and life The average height is more environmentally friendly and brighter, which is the main advantage of this creation. [Embodiment] In order to make the Beck Review Committee clearly understand the content of this creation, only the following descriptions are used in conjunction with the drawings, as explained below: Please refer to the first As shown in Figure 2, the creation includes at least: a lamp holder cooling module (10) with a circuit board (2 〇) at one end and at least one light-emitting diode on the circuit board (2 〇) Body (3 〇) (but the pattern of this creation is indicated by six), the M392322 LED (3 Ο) is set on the circuit board (20) in COB (ie CHIP ON BOARD). See Figure 5, due to the hair The diode (30) is disposed on the circuit board (20) in the form of COB (ie, CHIP ON BOARD), so the angle of incidence of the light-emitting diode (30) is almost directly on the circuit board (20). The outward diffusion diffusion generally reaches an illumination angle of about 180 degrees (1). The lamp holder heat dissipation module (1 〇) shown in the above figures 1 and 2 is used to absorb and conduct the light-emitting diode ( 3 〇) The heat generated is directed to dissipate. A spherical lampshade (40) is placed over the light-emitting diode (30) of the lamp socket heat-dissipating module (worker). The inner wall (400) is a spherical inner curved surface. As shown in Figures 2 and 3, when the light-emitting diode (3 〇) emits strong white light, it can evenly face the inner wall of the lampshade (4〇). (4〇〇) The light (L1) from which I is emitted is projected through the lampshade (4〇0) when it is projected perpendicularly or nearly perpendicularly to the inner wall (4 〇〇) of the lampshade (4 ,). If it is too obliquely projected on the lampshade (4

何科,能得刭争 能得到更均勻的明亮度。 6 M392322 因此,使用本創作時,如第3、4圖所示,由 於本創作的發光二極體(3 〇 )係以COB(即CHIP ON BOARD)方式設於電路板(2 0 )上,故發光二 極體(3 0 )的發光角度接近180度,再加上球形 的燈罩(40)内壁(400)的反射,能使燈泡 所發出光的角度(Θ)可達270度以上;且於主要 亮度的第一光型分布線(C 1 )及次級亮度的第二 光型分布線(C2)均落於燈座(50)端面的水 平線(L 〇 )以下’使得燈泡的下半部周遭仍具有 極佳的照明;此一照明效能,是等同於鎢絲燈泡及 省電燈泡的輻射狀發光效果,但由於本案係使用 LED燈泡’故成本及壽命均高,且更為環保、明亮, 是本創作的主要優點。 以上所述者,僅為本創作之較佳實施例而已, 並非用以限定本創作實施之範圍,其他如附加各種 習知既有的技術及元件,在不脫離本創作之精神與 範圍下所作之等效取代與修飾,皆應涵蓋於本創作 之專利範圍内。 7 M392322 【圖式簡單說明】 第1圖 第2圊 第3圖 第4圖 第5圖 係本創作之部份結構剖視立體圖。 係本創作之全剖結構示意圖。 係本創作之使用功效示意圖。 係使用本創作之光型分布位置示意圖。 係本創作以COB(即CHIP ON BOARD)方式 將發光二極體設於電路板上所造成的射角 示意圖。 第6圖係習用發光二極體燈泡内的燈座及發光二 極體結構圖。 第7圖係習用以個別封裝好的發光二極體以SMT 方式設於電路板上所造成的射角示意圖。 第8圖係習用發光二極體燈泡之光型分布位置示 意圖。 2 0電路板 4 0燈罩 4 1空間 6 0電路板 γ 1外環牆 7 3發光二極體晶片 【主要元件符號說明】 1 0燈座散熱模組 3 0發光二極體 4 0 〇内壁 5 0燈座 7 0發光二極體 7 2螢光粉封膠 M392322 8 0燈罩 C 2第二光型分布線 L 1光線 Θ角度 S距離 C 1第一光型分布線 L 0水平線 L 2光線 Θ 1角度He Ke, can compete to get more uniform brightness. 6 M392322 Therefore, when using this creation, as shown in Figures 3 and 4, the LED (3 〇) of this creation is set on the circuit board (20) by COB (ie CHIP ON BOARD). Therefore, the illumination angle of the light-emitting diode (30) is close to 180 degrees, and the reflection of the inner wall (400) of the spherical lampshade (40) enables the angle of light emitted by the bulb to reach 270 degrees or more; The first light type distribution line (C 1 ) of the main brightness and the second light type distribution line (C2) of the secondary brightness are both below the horizontal line (L 〇) of the end face of the lamp holder (50), so that the lower half of the bulb The lighting around the department still has excellent illumination; this lighting performance is equivalent to the radial light-emitting effect of the tungsten light bulb and the power-saving light bulb, but since the LED light bulb is used in this case, the cost and life are high, and it is more environmentally friendly and bright. , is the main advantage of this creation. The above is only the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and other techniques and elements may be added without departing from the spirit and scope of the present invention. Equivalent substitutions and modifications should be covered by the scope of this patent. 7 M392322 [Simple diagram of the diagram] Fig. 1 Fig. 2圊 Fig. 3 Fig. 4 Fig. 5 is a perspective view of a part of the structure of the creation. This is a schematic diagram of the full-section structure of this creation. This is a schematic diagram of the use of this creation. The schematic diagram of the light distribution position of the present creation is used. This is a schematic diagram of the angle of incidence caused by the LEDs on the board in COB (ie CHIP ON BOARD). Figure 6 is a structural diagram of a lamp holder and a light-emitting diode in a conventional light-emitting diode bulb. Figure 7 is a schematic diagram of the angle of incidence caused by the individual packaged light-emitting diodes being disposed on the circuit board in an SMT manner. Fig. 8 is a schematic illustration of the light distribution position of a conventional light-emitting diode bulb. 2 0 circuit board 4 0 lamp cover 4 1 space 6 0 circuit board γ 1 outer ring wall 7 3 light-emitting diode chip [main component symbol description] 1 0 lamp holder heat dissipation module 3 0 light-emitting diode 4 0 〇 inner wall 5 0 lamp holder 7 0 light-emitting diode 7 2 fluorescent powder sealant M392322 8 0 lampshade C 2 second light-type distribution line L 1 light Θ angle S distance C 1 first light-type distribution line L 0 horizontal line L 2 light Θ 1 angle

Claims (1)

M392322 六、申請專利範圍: 1. 一種「廣角照明之發光二極體燈泡」,至少包含 有: 一燈座散熱模組’於一端設有電路板,同時 該電路板上至少設有一顆發光二極體,且該發光 二極體係以COB(即CHIP ON BOARD)方式設於 電路板上; 一球形燈罩’係罩設於燈座散熱模組之發光 二極體上方;藉此,使高功率的發光二極體發出 強烈的白光,能自球形燈罩以極廣的射角發光。 2. 如申請專利範圍第1項所述之「廣角照明之發光 一極體燈泡」’其中’該燈罩的内壁塗佈有使光 線均勻的導光膜。M392322 VI. Scope of Application: 1. A "wide-angle illumination LED lamp", which includes at least: a lamp holder cooling module 'having a circuit board at one end, and at least one light-emitting board on the circuit board a polar body, and the light-emitting diode system is disposed on the circuit board in the form of COB (ie, CHIP ON BOARD); a spherical lamp cover is disposed above the light-emitting diode of the lamp socket heat-dissipating module; thereby, high power is achieved The light-emitting diode emits intense white light and can emit light from a spherical lampshade at an extremely wide angle of incidence. 2. The "wide-angle illumination light bulb of the wide-angle illumination" as described in the first paragraph of the patent application, wherein the inner wall of the lampshade is coated with a light guiding film that makes the light uniform.
TW99210976U 2010-06-09 2010-06-09 LED bulb with wide-angle illumination TWM392322U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI426207B (en) * 2010-12-27 2014-02-11 Chung Shan Inst Of Science Wide angle lighting scattering device
TWI449864B (en) * 2010-12-06 2014-08-21 Hitachi Appliances Inc Light bulb

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI449864B (en) * 2010-12-06 2014-08-21 Hitachi Appliances Inc Light bulb
TWI426207B (en) * 2010-12-27 2014-02-11 Chung Shan Inst Of Science Wide angle lighting scattering device

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