TW201104911A - LED lighting apparatus and LED array chip - Google Patents

LED lighting apparatus and LED array chip Download PDF

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TW201104911A
TW201104911A TW98125281A TW98125281A TW201104911A TW 201104911 A TW201104911 A TW 201104911A TW 98125281 A TW98125281 A TW 98125281A TW 98125281 A TW98125281 A TW 98125281A TW 201104911 A TW201104911 A TW 201104911A
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Taiwan
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light
illuminating
emitting diode
emitting diodes
rectifying
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TW98125281A
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Chinese (zh)
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Robert Yeh
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Everlight Electronics Co Ltd
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Priority to TW98125281A priority Critical patent/TW201104911A/en
Publication of TW201104911A publication Critical patent/TW201104911A/en

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Abstract

A LED lighting apparatus includes a base, an LED array chip and a rectification unit. The LED array chip has a growth substrate and a plurality of light emitting diodes which is electrically connected disposed on the growth substrate. Each of the light emitting diodes has a plurality of semiconductor layers stacked on the growth substrate. The rectification unit is electrically connected to the light emitting diodes, and it converts an alternating current signal into a direct current signal. The light emitting diodes emit the light as receiving the direct current signal provided from the rectification unit. Furthermore, the rectification unit and the LED array chip are separately disposed on different regions of the base.

Description

201104911 六、發明說明: 【發明所屬之技術領域】 本發明是有關於一種發光二極體照明裝置及發光二 極體陣列晶片’且特別是有關於一種使用交流電轉換成直 流電驅動之發光二極體照明裝置及發光二極體陣列晶片。 【先前技術】 隨著光電科技不斷發展,屬於發光源之一的發光二極 體已大量應用在各種領域,且在光電產業中佔有舉足輕重 的地位。目前周遭一般可得的電力源為交流電,由於交&電 之電壓極性是隨著時間不斷交替改變,因此,難以直接運用於 發光二極體上,特別是若將發光二極體應用在照明光源之用途 上。 台灣專利第1302039號提出一種具有交流迴路發光二極體 晶粒結構,係包括有一組交流微晶粒發光二極體模組形成於一 晶片(chip)上,且該交流微晶粒發光二極體模組由兩微晶粒 發光二極體反向正貞並聯,而可施加-交流電,使該兩微晶粒 發光二極體依正負半波作動點亮。 然而,在習知之具有交流迴路之發光二極體晶粒結構中, 由於每各發光二極體微晶粒僅能在一各交流電週期内順向戋 逆向偏壓的條件下發光,換言之,在每發絲積僅佔^了 晶片表面面積的-半,而另—半面積中的微小晶粒則不發光, 如此一來,造成發光面積的浪費。 【發明内容】 本發明提供一種發光二極體照明裝置及發光二極體 陣列晶片,其具有發光效率高、發光面積大、易於更換損 201104911 壞元件等優點。 本發明之一實施例提出一種發光二極體照明裝置, 其包括一底板、一發光二極體陣列晶片以及一整流單 元,發光二極體陣列晶片具有一成長基材及設置在^長 基材上且電性連接的複數發光二極體,每一發光二極體 具有堆疊於成長基材上之複數半導體層,整流單元與發 光一極體電性連接,且整流單元會將一交流電源訊號轉 換為一直流電源訊號,使得這些發光二極體接收到直流 電源訊號後發出一光源,其中整流單元與發光二極體陣 列晶片係分開設置於底板的不同區域上。 在本發明之一實施例中,每一發光二極體之半導體層 包括一 η型半導體層、一主動層及一 p型半導體層依次堆 疊於成長基材上’其中每一發光二極體更包括一第一焊墊 (bonding pad)形成在η型半導體層上,以及一第二焊塾係 形成在ρ型半導體層上。 在本發明之一實施例中’整流單元包括由至少四個整 流元件所組成的惠斯登電橋(Wheatston Bridge),每一整流 元件分別以焊錫接合或黏膠貼合而固接在底板上。 在本發明之一實施例中’惠斯登電橋包括一第一電流 路徑及一第二電流路徑,而一第一整流元件、發光二極體 陣列晶片及一第三整流元件位於第一電流路徑上並依序串 聯連接’而一第四整流元件、發光二極體陣列晶片及一第 二整流元件係位於第二電流路徑上並依序串聯連接。 在本發明之一實施例中,整流單元更包括一第一導電 201104911 圖案及一第二導電圖案’係分別設置在底板上,第一導電 圖案用以電性連接交流電源訊號之一端與第一整流元件及 第二整流元件,而第二導電圖案用以電性連接交流電源訊 號之另一端與第三整流元件及第四整流元件。 、 在本發明之一實施例中,整流單元更包括一第三導電 圖案及一第四導電圖案,係分別設置在底板上,第三導電 圖案用以電性連接發光二極體陣列晶片之一電極與第一敕 流元件及第四整流元件,而第四導電圖案用以電性連接發201104911 VI. Description of the Invention: [Technical Field] The present invention relates to a light-emitting diode lighting device and a light-emitting diode array chip, and particularly relates to a light-emitting diode that is converted into a direct current driving using alternating current Illumination device and LED array wafer. [Prior Art] With the continuous development of optoelectronic technology, the light-emitting diodes, which are one of the light-emitting sources, have been widely used in various fields and occupy a pivotal position in the optoelectronic industry. At present, the power source generally available around the world is AC. Since the voltage polarity of the AC & electric power changes alternately with time, it is difficult to apply it directly to the LED, especially if the LED is used for illumination. The purpose of the light source. Taiwan Patent No. 1302039 proposes an alternating current loop light-emitting diode structure comprising a set of alternating current micro-crystal light-emitting diode modules formed on a chip, and the alternating micro-grain light-emitting diode The body module is connected in parallel with the two micro-crystal light-emitting diodes in a reverse direction, and an alternating current can be applied to cause the two micro-crystal light-emitting diodes to be illuminated by positive and negative half-waves. However, in the conventional light-emitting diode structure having an alternating current loop, since each of the light-emitting diode micro-crystals can emit light only under the condition of forward 戋 reverse bias in each alternating current period, in other words, Each hair product only accounts for -half of the surface area of the wafer, while the minute crystal grains in the other half area do not emit light, thus causing waste of the light-emitting area. SUMMARY OF THE INVENTION The present invention provides a light-emitting diode illumination device and a light-emitting diode array wafer, which have the advantages of high luminous efficiency, large light-emitting area, and easy replacement of damaged elements of 201104911. An embodiment of the present invention provides a light emitting diode illumination device including a bottom plate, a light emitting diode array chip, and a rectifying unit. The light emitting diode array chip has a growth substrate and a long substrate. And a plurality of light emitting diodes electrically connected to each other, each of the light emitting diodes has a plurality of semiconductor layers stacked on the growth substrate, the rectifying unit is electrically connected to the light emitting body, and the rectifying unit transmits an AC power signal The light source is converted into a direct current power signal, so that the light emitting diodes receive a direct current power signal and emit a light source, wherein the rectifying unit and the light emitting diode array chip are separately disposed on different regions of the bottom plate. In an embodiment of the invention, the semiconductor layer of each of the light-emitting diodes includes an n-type semiconductor layer, an active layer, and a p-type semiconductor layer sequentially stacked on the growth substrate, wherein each of the light-emitting diodes is further A first bonding pad is formed on the n-type semiconductor layer, and a second pad is formed on the p-type semiconductor layer. In an embodiment of the invention, the 'rectifier unit includes a Wheatstone Bridge composed of at least four rectifying elements, each of which is fixed to the bottom plate by solder bonding or adhesive bonding, respectively. . In one embodiment of the present invention, the Wheatstone bridge includes a first current path and a second current path, and a first rectifying element, a light emitting diode array chip, and a third rectifying element are located at the first current. And a fourth rectifying element, a light emitting diode array chip and a second rectifying element are located on the second current path and are connected in series in series. In one embodiment of the present invention, the rectifying unit further includes a first conductive 201104911 pattern and a second conductive pattern ′ respectively disposed on the bottom plate, wherein the first conductive pattern is electrically connected to one end of the AC power signal and the first And a second rectifying element, wherein the second conductive pattern is electrically connected to the other end of the AC power signal and the third rectifying element and the fourth rectifying element. In one embodiment of the present invention, the rectifying unit further includes a third conductive pattern and a fourth conductive pattern respectively disposed on the bottom plate, and the third conductive pattern is electrically connected to one of the LED arrays. The electrode is connected to the first choke element and the fourth rectifying element, and the fourth conductive pattern is electrically connected

光二極體陣列晶片之另一電極與第二整流元件及第三整^ 元件。 L 在本發明之一實施例中,這些整流元件係為蕭基二極 體(Schottky Barrier Diode, SBD)。 在本發明之一實施例中,這些整流元件包括矽半導體 元件或III-V族化合物半導體元件。 在本發明之一實施例中,交流電源訊號為90_120伏 特、180-240伏特或270-330伏特。The other electrode of the photodiode array wafer is connected to the second rectifying element and the third rectifying element. In one embodiment of the invention, the rectifying elements are Schottky Barrier Diodes (SBDs). In an embodiment of the invention, the rectifying elements comprise germanium semiconductor components or III-V compound semiconductor components. In one embodiment of the invention, the AC power signal is 90-120 volts, 180-240 volts, or 270-330 volts.

在本發明之一實施例中,形成於發光二極體陣列晶片 中之這些發光二極體係串聯或並聯連接。 BB 在本發明之一實施例中,形成於發光二極體陣列晶片 中之這些發光二極體係串聯及並聯連接。 在本發明之一實施例中,成長基材之材料包括藍寶石 (sapphire)、碳化矽(SiC)、石夕(Si)、氧化鋅(Zn〇)、绅化錄(⑸八 及尖晶石(MgAl2〇4)。 在本發明之一實施例中,底板係由一熱導材料所構 201104911 成。 在本發明之一實施例中,底板為—電路板、一矽基 板、-陶曼基板或一金屬基板。 .在^發明之一實施例中,底板更包括有-散熱塊(heat s”) ’發光二極體陣列晶片設置於散熱塊上,用以提供發 光二極體晶片散熱之途徑,其中底板為一電路板、一石夕基 板或一陶瓷基板。 • 在本發明之—實施例中,這些發光二極體之半導體層 之材料係包括氮化鎵、铭氮化鎵、錮氮化鎵及銘銅氮化鎵 至少其中之一。 在本發明之—實施例中,發光二極體之半導體層係藉 由蠢晶方式形成。 在本發明之一實施例中,發光二極體陣列晶片係藉由 焊錫接合或黏膠貼合而固定於底板上。 在本發明之一實施例中,形成於發光二極體陣列晶片 中之這些發光二極體係相同波長或不同波長。 • 在本發明之一實施例中,發光二極體陣列晶片更包括 在這些發光二極體上設置至少一螢光粉材料。 在本發明之一實施例中’這些發光二極體發出的光與 該螢光粉材料受激發所發出的光混合成白光。 在本發明之一實施例中’這些發光二極體發出的光包 括藍光及紫外光。 在本發明之一實施例中’當這些發光二極體發出的光 為藍光時,螢光粉材料為黃色螢光粉或紅色螢光粉加綠色 201104911 螢光粉。 在本發明之一實施例中,當這些發光二極體發出的光 為紫外光時,螢光粉材料為黃色螢光粉加藍色螢光粉或紅 色螢光粉加綠色螢光粉再加藍色螢光粉。 本發明之一實施例提出一種發光二極體照明裝置,包 括一發光二極體陣列晶片及一整流單元,該發光二極體陣 列曰曰片具有一成長基材及設置在該成長基材上且電性連接 的複數發光二極體,每一發光二極體具有堆疊於該成長基 材上之複數半導體層’該整流單元與該些發光二極體電性 連接’該整流單元將一交流電源訊號轉換為一直流電源訊 就’使得該些發光二極體接收到該直流電源訊號後發出一 光源,其中該整流單元不設置在該成長基材上。 在本發明之一實施例中,該整流單元包括由至少四個 t 元件所組成的一惠斯登電橋(Wheatston Bridge),其中 各該整流元件不設置在該成長基材上。 再者,本發明之一實施例提出一種發光二極體陣列晶 片,用以接收直流電源訊號後發出光源,該發光二極體陣 列晶片包括一成長基板及複數發光二極體,該些發光二極 體設置在該成長基材上且相互電性連接,每一發光二極體 具有堆疊於該成長基材上的複數半導體層。 在本發明之一實施例中,每一發光二極體之半導體層 包括一η型半導體層、一主動層及一p型半導體層,且依 次堆疊於該成長基材上。 在本發明之一實施例中’每一發光二極體更包括一第 201104911 一焊墊(bonding pad),係形成在該n型半導體層上,以及 一第二烊墊,係形成在該p型半導體層上。 在本發明之一實施例中,該成長基材之材料包括藍寶 石(sapphire)、碳化矽(SiC)、矽(Si)、氧化鋅(Zn〇)、珅;^鎵 (GaAs)及尖晶石(MgA1204)。 在本發明之一實施例中’該些發光二極體係串聯或並 聯連接。 / 在本發明之一實施例中,該些發光二極體包In one embodiment of the invention, the light emitting diode systems formed in the array of light emitting diode arrays are connected in series or in parallel. BB In one embodiment of the invention, the light emitting diode systems formed in the array of light emitting diode arrays are connected in series and in parallel. In an embodiment of the invention, the material of the growth substrate comprises sapphire, lanthanum carbide (SiC), shixi (Si), zinc oxide (Zn 〇), 绅化录 ((5) 八 and spinel ( In one embodiment of the present invention, the bottom plate is made of a thermal conductive material 201104911. In one embodiment of the invention, the bottom plate is a circuit board, a germanium substrate, a -Taman substrate or A metal substrate. In one embodiment of the invention, the bottom plate further includes a heat s". The light emitting diode array chip is disposed on the heat dissipation block to provide heat dissipation for the light emitting diode chip. The bottom plate is a circuit board, a stone substrate or a ceramic substrate. • In the embodiment of the invention, the material of the semiconductor layers of the light-emitting diodes includes gallium nitride, gallium nitride, germanium nitride At least one of gallium and copper gallium nitride. In an embodiment of the invention, the semiconductor layer of the light-emitting diode is formed by a stupid crystal. In one embodiment of the invention, the light-emitting diode array The wafer is fixed to the bottom plate by solder bonding or adhesive bonding In an embodiment of the invention, the light emitting diode systems formed in the LED array wafer have the same wavelength or different wavelengths. • In an embodiment of the invention, the LED array wafer is further included in At least one phosphor material is disposed on the light emitting diodes. In an embodiment of the invention, the light emitted by the light emitting diodes is mixed with the light emitted by the phosphor material to form white light. In one embodiment, the light emitted by the light-emitting diodes includes blue light and ultraviolet light. In one embodiment of the invention, 'when the light emitted by the light-emitting diodes is blue light, the fluorescent powder material is yellow fluorescent light. Powder or red fluorescent powder plus green 201104911 fluorescent powder. In one embodiment of the invention, when the light emitted by the light emitting diodes is ultraviolet light, the fluorescent powder material is yellow fluorescent powder plus blue fluorescent light. Powder or red fluorescent powder plus green fluorescent powder and blue fluorescent powder. One embodiment of the present invention provides a light emitting diode lighting device comprising a light emitting diode array chip and a rectifying unit, the light emitting The diode array fin has a growth substrate and a plurality of light-emitting diodes disposed on the growth substrate and electrically connected, each of the light-emitting diodes having a plurality of semiconductor layers stacked on the growth substrate The rectifying unit is electrically connected to the light emitting diodes, and the rectifying unit converts an alternating current power signal into a direct current power signal to enable the light emitting diodes to receive the direct current power signal and emit a light source. The rectifying unit is not disposed on the growth substrate. In an embodiment of the invention, the rectifying unit comprises a Wheatstone Bridge composed of at least four t elements, wherein the rectifying elements are not Further, an embodiment of the present invention provides a light emitting diode array chip for receiving a DC power signal and emitting a light source, the LED array chip including a growth substrate and a plurality of light emitting a diode, the light emitting diodes are disposed on the growth substrate and electrically connected to each other, and each of the light emitting diodes has a plurality of semiconductor layers stacked on the growth substrate . In one embodiment of the invention, the semiconductor layer of each of the light-emitting diodes includes an n-type semiconductor layer, an active layer, and a p-type semiconductor layer, and is sequentially stacked on the growth substrate. In one embodiment of the present invention, each of the light emitting diodes further includes a bonding pad of 201104911 formed on the n-type semiconductor layer, and a second germanium pad formed on the p On the semiconductor layer. In an embodiment of the invention, the material of the growth substrate comprises sapphire, bismuth carbide (SiC), bismuth (Si), zinc oxide (Zn〇), bismuth; gallium (GaAs) and spinel. (MgA1204). In one embodiment of the invention, the light emitting diode systems are connected in series or in parallel. / In an embodiment of the invention, the light emitting diode packages

聯連接的群組,其中每一群組具有複數串聯連接的前述發 光二極體。 X 在本發明之一實施例中,該些發光二極體包括複數串 聯連接的雜’纟中每-群組具有複&並聯連接的前 光二極體。 在本發明之一實施例中,該些發光二極體包括複數串 聯連接的第-群組,其中每―第—群組具有複數並聯連接Connected groups, each of which has a plurality of aforementioned light-emitting diodes connected in series. X In one embodiment of the invention, the light-emitting diodes comprise a plurality of front-connected diodes in a plurality of series connected to each other having a complex & parallel connection. In an embodiment of the invention, the light emitting diodes comprise a plurality of series connected in series, wherein each "group" has a plurality of parallel connections

的第二群組,每一第二群組具有複數串聯連接的前述發 二極體。 X 在本發明之一實施例中,該些發光二極體包括至少一 第一群組及複數並聯連接第二群組,該第一群組與該些 二群組串聯連接,該第-群組具有至少—串聯連接的^ 發光二極體,而該第二群組具有至少—串聯連接的 光二極體。 在本發明之-實施例中,該些發光二極體係相同波長 201104911 在本發明之一實施例中,更包括在該些發光二極體上 設置至少一螢光粉材料。 在本發明之一實施例中,該些發光二極體發出的光與 該螢光粉材料受激發所發出的光混合成白光。 在本發明之一實施例中,該些發光二極體發出的光包 括藍光及紫外光。 在本發明之一實施例中,當該些發光二極體發出的光 為藍光時’該螢光粉材料為黃色螢光粉或紅色螢光粉加綠 色螢光粉。 在本發明之一實施例中,當該些發光二極體發出的光 為紫外光時’該螢光粉材料為黃色螢光粉加藍色螢光粉或 紅色螢光粉加綠色螢光粉再加藍色螢光粉。 基於上述,由於本發明之實施例之發光二極體照明裝 置係將發光二極體陣列晶片與整流單元分開設置於底板的 不同區域上,因此,當整流元件或是發光二極體陣列晶片 損壞時,僅需將裝置中損壞之電子元件替換,因此易於重 工。此外,由於本發明之實施例之發光二極體照明裝置是 利用包括由至少四個整流元件所組成的惠斯登電橋進行整 流,因此,整流過後的直流電源訊號可以使得各發光二極 體陣列持續發光,如此一來,可以增加照明裝置的發光效 率以及全面性的均勻發光效果。 ’ 為讓本發明之上述特徵和優點能更明顯易懂,下文特 舉實施例’並配合所附圖式作詳細說明如下。 【實施方式】 201104911 圖1係本發明一實施例之發光二極體照明裝置之俯視 圖’圖2為圖1之發光二極體照明裝置之剖面示意圖,圖 3為圖1及圖2之發光二極體照明裝置之等效電路圖。首 先’ 6青參閱圖1及圖2’本發明之發光二極體照明裝置主 要包括有一底板10、一發光二極體陣列晶片2〇及一整流 單兀30’整流單元30及發光二極體陣列晶片2〇係設置於 底板10上,且整流單元3〇及發光二極體陣列晶片2〇藉由 導線L彼此電性連接。 在本實施例中,底板10為一電路板、一妙基板或是 一陶瓷基板,係用以承載發光二極體陣列晶片2〇及整流單 元30 ’陶瓷基板材料例如是氧化鋁(A1203)。在其他實施 例中,底板10内設置有一散熱塊50,而發光二極體陣列 晶片20是設置在散熱塊5〇上,因此,當發光二極體陣列 晶片20於運作中產生熱量時,可藉由散熱塊50迅速的將 熱能排除至裝置之外,如此一來,提高了本發明之發光二 極體照明裝置之信賴性。此外,在其他實施例中,底"板1〇 可以是由一導熱材料所構成,例如是金屬基板,導熱材料 提供發光二極體陣列晶片20及整流單元3〇 一良好的散熱 途徑。 月… 除此之外,發光二極體陣列晶片2〇包括一成長基材 21及設置在成長基材21上且彼此串聯連接之第一發光二 極體20-1至第η發光二極體2〇·η。發光二極體可以是藍光 發光二極體或是紫外光發光二極體,藍色發光二極體所發 射之波長範圍例如在430nm-480nm,而紫外光發光二極& 201104911 發射之波長範圍例如在360nm-415nm。每一發光二極體包 括一依序堆疊設置於成長基材21上之η型半導體層25、 主動層26及一 ρ型半導體層27。在本實施例中,成長 基材21之材料可以例如是但不限於藍寶石㈣pphire)、碳 化矽(SiC)、矽(si)、氧化辞(Zn〇)、砷化鎵(GaAs)及尖晶石 (MgAl2〇4)等,而η型半導體層25、主動層%及p型半導 體層27之材料為二元、三元或四元半導體材料,其包括 ,不限制於氮化鎵、鋁氮化鎵、銦氮化鎵或鋁銦氮化鎵等 等,在其他實施例中,η型半導體層25、主動層26及ρ 型半導體層27可以是由其他材料所構成。要說明的是, ,發明之發光二極體照明裝置所使用之發光二極體結構 疋以成長基材21做為基材,並以磊晶的方式形成堆疊結 構之η型半導體層25、主動層26及Ρ型半導體層27在成 長基材21上,然而,本發明之發光二極體之半導體層並 不限於以$晶的方式製作,其他本領域技術所熟知之半導 體層沉積方法也在本發明的範疇内。當然,本實施例之發 光二極體可以包括同質結構或是異質結構。此外,本發曰^ 之照明裝置之每一發光二極體具有一第一焊墊(b〇nding pad)28及一第二焊墊29分別形成在n型半導體層25上及 ρ型半導體層27上,第一發光二極體2(M之第一蟬墊扨 係藉由導線L與鄰近之發光二極體之第二焊墊29形成電 性連接,依此類推,第n_l發光二極體之第一焊墊係藉由 導線L與之第η個發光二極體2〇-n之第二焊墊29形成電 性連接。 201104911 另外,本發明之發光二極體照明裝置之發光二極體陣 列晶片20係包括形成至少一螢光粉材料層22在每一發光 二極體上,螢光粉材料層22形成的方式例如是使用氣體 噴塗、超音波震盪或是點膠的方法,若是使用氣體喷塗的 方式’在發光二極體陣列晶片20之每一發光二極體的表 面上係形成厚度均一(conformal)的螢光粉材料層22。螢光 粉材料層22内充填有至少一種螢光粉材料,螢光粉材料 受到發光二極體陣列晶片20的激發之後會轉換成與發光 二極體陣列晶片20所發射之不同波長的光,例如是黃、 紅、綠的可見光。螢光粉材料層22之螢光粉材料可以是 在乙紹石榴石推雜錄’例如是TAG:Ce或YAG:Ce ;或是以 矽酸鹽為基底的螢光體,例如是(SrBa)Si04:Eu2+、 (SrBa)Si(OCl)4:Eu2+、(SrBa)Si04_xClx:Eu2+ ;或是氮氧化物 螢光體’例如是(SrBaCa)Si202N2、(SrBaCa)Si2(OCl)2N2。 在本發明之發光二極體照明裝置中,發光二極體陣列 晶片20之發光二極體所發射的光源混合螢光粉材料層22 之螢光粉材料經激發後轉換之光源後會得到白光的照明裝 置’例如當發光二極體發出的光為藍光時,螢光粉材料為 黃色螢光粉,或是當發光二極體發出的光為藍光時,螢光 粉材料為紅色螢光粉加綠色螢光粉,當發光二極體發出的 光為紫外光時,螢光粉材料為黃色螢光粉加藍色螢光粉或 紅色螢光粉加綠色螢光粉再加藍色螢光粉。此外,在考慮 到發光效率或演色性指數(color rendering index)等因素之 情況下,可以選擇兩種以上之螢光粉的組合。 13 201104911 承接上述,在完成發光二極體陣列晶片20之製作後, 係利用焊錫接合或黏膠貼合的方式’將發光二極體陣列晶 片20固定於底板1〇上,而整流單元3〇係同樣設置於底 板10上’但與發光二極體陣列晶片20位在不同的區域: 其中’整流單元30係以焊錫接合或黏膠貼合的方式固接 於底板10上且與發光二極體陣列晶片20以一距離分開設 置’因此’當整流單元30或是發光二極體陣歹,丨晶片2〇損 壞時,僅需將裝置中損壞之電子元件進行替接,故在重工 上簡易許多。 §青同時參閱圖1、圖2及圖3,在本發明之照明裝置 之一較佳實施例中,整流單元30是由至少一第一整流元 件301、一第二整流元件302、一第三整流元件303及一 第四整流元件304所組成之惠斯登電橋(wheatstonThe second group, each of the second groups has a plurality of the aforementioned diodes connected in series. In one embodiment of the present invention, the light emitting diodes include at least one first group and a plurality of parallel connected second groups, and the first group is connected in series with the two groups, the first group The group has at least one of the series connected light emitting diodes, and the second group has at least a series connected light diode. In an embodiment of the invention, the light emitting diodes have the same wavelength. 201104911. In an embodiment of the invention, the method further includes disposing at least one phosphor material on the light emitting diodes. In an embodiment of the invention, the light emitted by the light-emitting diodes is mixed with the light emitted by the phosphor material to form white light. In an embodiment of the invention, the light emitted by the light emitting diodes includes blue light and ultraviolet light. In an embodiment of the invention, when the light emitted by the light emitting diodes is blue light, the fluorescent powder material is yellow fluorescent powder or red fluorescent powder plus green fluorescent powder. In an embodiment of the invention, when the light emitted by the light emitting diodes is ultraviolet light, the fluorescent powder material is yellow fluorescent powder plus blue fluorescent powder or red fluorescent powder plus green fluorescent powder. Add blue phosphor powder. Based on the above, the LED device of the embodiment of the present invention separates the LED array and the rectifying unit from different regions of the substrate, and thus, when the rectifying device or the LED array is damaged, In this case, only the damaged electronic components in the device need to be replaced, so that it is easy to rework. In addition, since the LED lighting device of the embodiment of the present invention is rectified by using a Wheatstone bridge composed of at least four rectifying elements, the rectified DC power signal can make each of the LEDs The array continues to emit light, which can increase the luminous efficiency of the illumination device and the overall uniform illumination effect. The above described features and advantages of the present invention will be more apparent from the following detailed description of the appended claims. [Embodiment] 201104911 FIG. 1 is a plan view of a light-emitting diode lighting device according to an embodiment of the present invention. FIG. 2 is a schematic cross-sectional view of the light-emitting diode lighting device of FIG. 1, and FIG. 3 is a light-emitting diode of FIG. 1 and FIG. The equivalent circuit diagram of the polar lighting device. First, the light-emitting diode illuminating device of the present invention mainly includes a bottom plate 10, a light-emitting diode array chip 2, a rectifying unit 30' rectifying unit 30, and a light-emitting diode. The array wafer 2 is disposed on the substrate 10, and the rectifying unit 3 and the LED array 2 are electrically connected to each other by the wires L. In the present embodiment, the substrate 10 is a circuit board, a substrate or a ceramic substrate for carrying the LED array 2 and the rectifying unit 30'. The ceramic substrate material is alumina (A1203). In other embodiments, a heat dissipating block 50 is disposed in the bottom plate 10, and the light emitting diode array chip 20 is disposed on the heat dissipating block 5〇. Therefore, when the light emitting diode array chip 20 generates heat during operation, The thermal block 50 is quickly excluded from the device by the heat sink block 50, thereby improving the reliability of the light-emitting diode lighting device of the present invention. In addition, in other embodiments, the bottom plate may be formed of a heat conductive material such as a metal substrate, and the heat conductive material provides a good heat dissipation path for the light emitting diode array chip 20 and the rectifying unit 3 . In addition, the light-emitting diode array chip 2 includes a growth substrate 21 and first light-emitting diodes 20-1 to η light-emitting diodes disposed on the growth substrate 21 and connected in series to each other. 2〇·η. The light emitting diode may be a blue light emitting diode or an ultraviolet light emitting diode, and the blue light emitting diode emits a wavelength range of, for example, 430 nm to 480 nm, and the ultraviolet light emitting diode & 201104911 emitting wavelength range For example, at 360 nm to 415 nm. Each of the light-emitting diodes includes an n-type semiconductor layer 25, an active layer 26, and a p-type semiconductor layer 27 which are sequentially stacked on the growth substrate 21. In the present embodiment, the material of the growth substrate 21 may be, for example but not limited to, sapphire (tetra) pphire), tantalum carbide (SiC), bismuth (si), oxidized (Zn), gallium arsenide (GaAs), and spinel. (MgAl2〇4), etc., and the material of the n-type semiconductor layer 25, the active layer %, and the p-type semiconductor layer 27 is a binary, ternary or quaternary semiconductor material including, not limited to, gallium nitride, aluminum nitride Gallium, indium gallium nitride or aluminum indium gallium nitride, etc., in other embodiments, the n-type semiconductor layer 25, the active layer 26, and the p-type semiconductor layer 27 may be composed of other materials. It is to be noted that the light-emitting diode structure used in the light-emitting diode illuminating device of the invention uses the growth substrate 21 as a substrate, and forms an n-type semiconductor layer 25 of a stacked structure in an epitaxial manner. The layer 26 and the germanium-type semiconductor layer 27 are grown on the substrate 21, however, the semiconductor layer of the light-emitting diode of the present invention is not limited to being fabricated in a crystal form, and other semiconductor layer deposition methods well known in the art are also Within the scope of the invention. Of course, the light-emitting diode of this embodiment may comprise a homogenous structure or a heterostructure. In addition, each of the light-emitting diodes of the illumination device of the present invention has a first bonding pad 28 and a second bonding pad 29 formed on the n-type semiconductor layer 25 and the p-type semiconductor layer, respectively. On the 27th, the first light-emitting diode 2 (the first one of the M-type pads is electrically connected to the second pad 29 of the adjacent light-emitting diode by the wire L, and so on, the n-th light-emitting diode The first pad of the body is electrically connected to the second pad 29 of the nth light emitting diode 2〇-n by the wire L. 201104911 In addition, the light emitting diode of the light emitting diode device of the present invention The polar array wafer 20 includes forming at least one phosphor layer 22 on each of the LEDs, and the phosphor layer 22 is formed by, for example, gas spraying, ultrasonic vibration or dispensing. If the method of gas spraying is used, a thickness of the phosphor powder material layer 22 is formed on the surface of each of the light-emitting diodes of the light-emitting diode array wafer 20. The phosphor powder material layer 22 is filled with At least one phosphor material, the phosphor material is exposed to the LED array 20 After the excitation, it will be converted into light of different wavelengths emitted by the LED array 20, such as yellow, red, and green visible light. The phosphor material of the phosphor material layer 22 may be pushed by the yttrium garnet. The transcript 'for example is TAG:Ce or YAG:Ce; or a phosphor based on citrate, such as (SrBa)Si04:Eu2+, (SrBa)Si(OCl)4:Eu2+, (SrBa)Si04_xClx :Eu2+; or oxynitride phosphor 'for example, (SrBaCa)Si202N2, (SrBaCa)Si2(OCl)2N2. In the light-emitting diode lighting device of the present invention, the light-emitting diode array chip 20 emits light two The light source emitted by the polar body mixes the phosphor material of the phosphor powder material layer 22 after being excited and converted to a light source to obtain a white light illumination device. For example, when the light emitted by the light emitting diode is blue light, the fluorescent powder material is The yellow fluorescent powder, or when the light emitted by the light emitting diode is blue light, the fluorescent powder material is red fluorescent powder plus green fluorescent powder, and when the light emitted by the light emitting diode is ultraviolet light, the fluorescent powder The material is yellow fluorescent powder plus blue fluorescent powder or red fluorescent powder plus green fluorescent powder plus Fluorescent powder. In addition, in consideration of factors such as luminous efficiency or color rendering index, it is possible to select a combination of two or more kinds of phosphors. 13 201104911 Undertake the above-mentioned light-emitting diodes After the array wafer 20 is fabricated, the LED array 20 is fixed to the substrate 1 by solder bonding or adhesive bonding, and the rectifying unit 3 is also disposed on the substrate 10 but is illuminated. The diode array wafer 20 is located in different regions: wherein the 'rectifier unit 30 is fixed to the substrate 10 by solder bonding or adhesive bonding and is disposed at a distance from the LED array wafer 20. 'When the rectifying unit 30 or the LED array is damaged, when the 丨 wafer 2 〇 is damaged, it is only necessary to replace the damaged electronic components in the device, so it is much simpler in heavy work. §1, FIG. 2 and FIG. 3, in a preferred embodiment of the illumination device of the present invention, the rectifying unit 30 is composed of at least a first rectifying element 301, a second rectifying element 302, and a third Wheatstone bridge composed of rectifying element 303 and a fourth rectifying element 304 (heatston

Bridge),且每一整流元件301、302、303、304係分別設 置於底板10上。在本實施例中,整流元件301-304可以是 蕭基二極體(Schottky Barrier Diode,SBD),在其他實施例 中,整流元件301-304可以是矽半導體元件或III-V族化合 物半導體元件。 要說明的是,由於矽半導體元件的逆向崩潰電壓為 3000V-6000V,而III-V族化物半導體的逆向崩潰電壓為 20V-30V,因此在本發明中,整流元件301-304較佳是使 用矽半導體元件,如此一來,可以承受比較高的逆向突波, 進而提高本發明之照明裝置之信賴性。 本發明之整流單元30用以將接收到的交流電源訊號 201104911 (AC)進行整錢轉換為纽魏喊(DC),錢人至發光 二極體陣列晶片2G之複數個發光二極體中,每_發光二 極體接收職換後的直流電源訊號後會導通並發^出一 光線。在本發明之-實施例中,錢㈣訊縣9(M2〇伏 特、刚-240伏特或270_33〇伏特。整流單元3〇之複數個 整流兀件301-304之較佳實施方式係如圖】、^ 2及圖3 所示,在此需說明的是,本發明之整流單元3〇之整流元 件301-304的實施數量可依照實際上的需要進行調整,圖 卜圖2及圖3僅顯示本發明之整流單元的較佳實施方式, 但整流元件的數目並不侷限於圖上所繪示。 _值得注意的是,本發明之整流單元具有一第一電流路 從Ia及一第二電流路徑Ib,其中第一整流元件3〇丨、發光 :極體陣列晶片20及第三整流元件3〇3係位於第一電流路 徑Ia上並依序串聯連接,而第四整流元件3〇2、發光二極 體陣列晶片2〇及第二整流元件綱係位於第二^流路捏 lb上並依序串聯連接。如此—來,當施加交流電壓訊號於 本發明之照明裝置時’在—時間點例如是正周期的情況 下,電流會流經第一路徑込而導通發光二極體陣列晶片20 並使其發光,在下一時間點例如是負週期的情況下,電流 會流經第二路徑Ib而導通發光二極體陣列晶片2G並使其 發光,因此,本發明之照明裝置在供輕流電壓訊號時了 ^由整流單元30之第—整流元件3()1、第二整⑼件3〇2、 第二整流几件303及第四整流元件3〇4的整流之後,可以 讓發光二極體_晶片之發光二極體導通,故可以持續保 15 201104911 持發光的狀態,進而提升照明裝置的整體發光效率。 除此之外,本發明之照明裝置更包括一第一導電圖案Bridge), and each of the rectifying elements 301, 302, 303, and 304 is disposed on the bottom plate 10, respectively. In this embodiment, the rectifying elements 301-304 may be Schottky Barrier Diodes (SBDs). In other embodiments, the rectifying elements 301-304 may be germanium semiconductor components or III-V compound semiconductor components. . It is to be noted that, since the reverse breakdown voltage of the germanium semiconductor element is 3000V-6000V, and the reverse breakdown voltage of the III-V compound semiconductor is 20V-30V, in the present invention, the rectifying elements 301-304 are preferably used. In this way, the semiconductor element can withstand relatively high reverse surges, thereby improving the reliability of the illumination device of the present invention. The rectifying unit 30 of the present invention is configured to convert the received AC power signal 201104911 (AC) into a Nuo Wei shouting (DC), and a plurality of LEDs of the LED to the LED array 2G. Each _light-emitting diode receives a DC power signal after the job change and turns on and emits a light. In the embodiment of the present invention, Qian (4) Xunxian 9 (M2 〇 volt, just -240 volts or 270 _ 33 volts. The preferred embodiment of the plurality of rectifying elements 301-304 of the rectifying unit 3 系 is as shown in the figure] As shown in FIG. 2 and FIG. 3, it should be noted that the number of implementations of the rectifying elements 301-304 of the rectifying unit 3 of the present invention can be adjusted according to actual needs, and FIG. 2 and FIG. 3 only show A preferred embodiment of the rectifying unit of the present invention, but the number of rectifying elements is not limited to that shown in the drawings. _ It is noted that the rectifying unit of the present invention has a first current path from Ia and a second current. The path Ib, wherein the first rectifying element 3 〇丨, the illuminating: the polar body array chip 20 and the third rectifying element 3 〇 3 are located on the first current path Ia and connected in series, and the fourth rectifying element 3 〇 2 The light-emitting diode array chip 2 and the second rectifying element are located on the second flow path pinch lb and are connected in series in series. Thus, when an alternating voltage signal is applied to the illumination device of the present invention, the time is If the point is, for example, a positive period, the current will flow through the first The path turns on the light-emitting diode array chip 20 and emits light. When the next time point is, for example, a negative period, a current flows through the second path Ib to turn on the light-emitting diode array chip 2G and emit light. Therefore, the illumination device of the present invention is provided by the first rectifying element 3 (1), the second integral (9) member 3, the second rectifying portion 303, and the fourth rectifying element of the rectifying unit 30 when the light source voltage signal is supplied. After the rectification of 3〇4, the light-emitting diode of the light-emitting diode_chip can be turned on, so that the state of illumination can be maintained for 15201104911, thereby improving the overall luminous efficiency of the illumination device. The lighting device further includes a first conductive pattern

40及一第四導電圖案43,分別設置在底板10上,且第一 導電圖案40藉由導線L與第一整流元件301及第二整流 元件302電性連接。交流電訊號經由第一導電圖案40輸入 至第一整流元件301並流經發光二極體陣列晶片20及第三 整流元件303。第四導電圖案43藉由導線L與第三整流元 件303及第四整流元件3〇4彼此電性連接,交流電訊號由 第四導電圖案43輸入至第四整流元件3〇4,並流經發光二 極體陣列晶片20及第二整流元件302。 此外’本發明之整流單元更包括一第二導電圖案41及 一第三導電圖案42,分別設置在底板1〇上,第二導電圖 案41藉由導線L電性連接發光二極體陣列晶片20之一電 極與第一整流元件301及第四整流元件3〇4,而第三導電 圖案42藉由導線L電性連接發光二極體陣列晶片2〇之另 電極與第二整流元件302及第三整流元件。 接著,請參閱圖4,係為本發明另一實施例之發光二極 體’系明震置之等效電路圖。本實施例與上述實施例不同之 ,在於,發光一極體陣列晶片2〇中之發光二極體並不限於 ^排串聯連接’圖4中之發光二極體陣列晶片之發光二極 體係為雙排串聯_並聯連接,如此—來,本發明之照明 裝置中所使用之發光二極體可以是單色光或是多色光,故 數量侧但财烟波長,如Μ錄之發光二 極體達到混光的效果。 201104911 當然’發光二極體陣列晶片中的發光二極體不限於單 排串聯連接或是雙排串聯陣列並聯連接,發光二極體彼此 之間可以為串聯及並聯的連接方式所構成,如圖6及圖7 所示。 圖5输示為本發明再一實施例之發光二極體照明裝置 之等效電路圖,其中發光二極體包括至少一第一群組及並 聯連接的複數個第二群組,第一群組與第二群組彼此之間 串聯連接’第一群組中具有兩個串聯連接的發光二極體, 分別位在第二群組的上下位置,而每一第二群組中具有多 個串聯連接的發光二極體。 *圖6繪不為本發明又一實施例之發光二極體照明裝置 之等效,路圖,其中發光二極體包括串聯連接的多個群 、、且而母群組中具有兩個並聯連接的發光二極體。圖7 緣不為本發明更—實補之發光二極L錄置之等效電 路圖其中發光二極體包括串聯連接的複數個第一群組, ,每一第一群組中具有並聯連接的複數個第二群組,而在 每-第二群組中又具有多個串聯連接的發光二極體。 h由於本發明大部分之發光二極體陣列晶片的發光二極 體是以單排串聯連接’如圖3 ;或是雙排串卿列並聯連 接’如圖4 ;或是同時有串聯及並聯的連接方式,參考圖6 及圖7,因此,每一發光二極體陣列晶片接收到的電壓及 ,流將會固定’如此—來,可使得每-發光二極體預期的 哥命(lift time)大致相同。 综上所述,本發明之實施例之發光二極體照明裝置係 17 20110491140 and a fourth conductive pattern 43 are respectively disposed on the bottom plate 10, and the first conductive pattern 40 is electrically connected to the first rectifying element 301 and the second rectifying element 302 by the wire L. The alternating current signal is input to the first rectifying element 301 via the first conductive pattern 40 and flows through the light emitting diode array chip 20 and the third rectifying element 303. The fourth conductive pattern 43 is electrically connected to the third rectifying element 303 and the fourth rectifying element 3〇4 via the wire L, and the alternating current signal is input from the fourth conductive pattern 43 to the fourth rectifying element 3〇4, and flows through the light. The diode array chip 20 and the second rectifying element 302. In addition, the rectifying unit of the present invention further includes a second conductive pattern 41 and a third conductive pattern 42 respectively disposed on the bottom plate 1 , and the second conductive pattern 41 is electrically connected to the LED array 20 by the wire L. One of the electrodes is connected to the first rectifying element 301 and the fourth rectifying element 〇4, and the third conductive pattern 42 is electrically connected to the other electrode of the illuminating diode array chip 2 and the second rectifying element 302 by the wire L Three rectifying elements. Next, please refer to FIG. 4, which is an equivalent circuit diagram of a light-emitting diode according to another embodiment of the present invention. The difference between the embodiment and the above embodiment is that the light-emitting diodes in the light-emitting diode array chip 2 are not limited to the series connection of the light-emitting diode array of the light-emitting diode array chip in FIG. Double-row series_parallel connection, as such, the light-emitting diode used in the illumination device of the present invention may be monochromatic light or multi-color light, so the quantity side but the smoke wavelength, such as the light-emitting diode of the record Achieve the effect of mixing light. 201104911 Of course, the light-emitting diodes in the LED array are not limited to single-row series connection or double-row series array parallel connection, and the light-emitting diodes can be connected in series and in parallel with each other, as shown in the figure. 6 and Figure 7 are shown. 5 is an equivalent circuit diagram of a light-emitting diode lighting device according to still another embodiment of the present invention, wherein the light-emitting diode includes at least one first group and a plurality of second groups connected in parallel, the first group Connecting with the second group in series with each other in the first group having two LEDs connected in series, respectively located in the upper and lower positions of the second group, and having multiple series in each second group Connected light-emitting diodes. * FIG. 6 is a diagram showing an equivalent of a light-emitting diode lighting device according to still another embodiment of the present invention, wherein the light-emitting diode includes a plurality of groups connected in series, and two parallel groups in the parent group Connected light-emitting diodes. FIG. 7 is not an equivalent circuit diagram of the light-emitting diode P-recording of the present invention. The light-emitting diode includes a plurality of first groups connected in series, and each of the first groups has a parallel connection. A plurality of second groups, and in each of the second groups, a plurality of light-emitting diodes connected in series. h, since most of the light-emitting diodes of the LED array of the present invention are connected in series in a single row 'as shown in FIG. 3; or in a double-row series connected in parallel as shown in FIG. 4; or in series and in parallel For the connection method, refer to FIG. 6 and FIG. 7. Therefore, the voltage and the current received by each of the LED arrays will be fixed to the 'then', so that the expected life of each of the LEDs can be lifted. Time) is roughly the same. In summary, the LED lighting device of the embodiment of the present invention is 17 201104911

^發光二極體陣列晶片與整流單元分開設置於底板的不同 區域上,因此,當整流元件或是發光二極體陣列晶片損壞 時,僅需將裝置中損壞之電子元件替換,因此易於重工或 整修。此外,由於本發明之實施例之發光二極體照明裝置 是利用包括由至少四個整流元件所組成的惠斯登電橋進行 整流,因此,整流過後的直流電源訊號可以使得各發光二 極體陣列持續發光,如此一來,可以增加照明裝置的發光 效率以及全面性的均勻發光效果。 雖然本發明已以實施例揭露如上,然其並非用以限定 本發明’任何所屬技術領域中具有通常知識者,在不脫離 本發明之精神和範圍内,當可作些許之更動與潤飾,故本 發明之保護範圍當視後附之申請專利範圍所界定 【圖式簡單說明】 .、' 圖1係本發明一實施例之一種發光二極體照 俯視示意圖。 x 圖2為圖1之發光二極體照明裝置之剖面示意圖。 圖3為圖1友圖2之發光二極體照明裝置之等效電路 圖4為本發明另一實施例之一種發光二極體照 之等效電路圖。 、 圖5為本發明再一實施例之一種發光二極體照 之等效電路圖0 义 圖6繪示為本發明又一實施例之發光二極體照明 之專效電路圖。 201104911 圖7繪示為本發明更一實施例之發光二極體照明裝置 之等效電路圖。 【主要元件符號說明】 10底板 20發光二極體陣列晶片 25 η型半導體層 26主動層 27 ρ型半導體層 28 第一焊墊 29 第二焊墊 30整流單元 301第一整流元件 302第二整流元件 303第三整流元件 304第四整流元件 40第一導電圖案 41第二導電圖案 42第三導電圖案 43第四導電圖案 50散熱塊 Ia第一電流路徑 19 201104911 ib第二電流路徑 L導線The light-emitting diode array chip and the rectifying unit are separately disposed on different regions of the bottom plate. Therefore, when the rectifying element or the LED array chip is damaged, only the damaged electronic components in the device are replaced, so that it is easy to rework or Renovation. In addition, since the LED lighting device of the embodiment of the present invention is rectified by using a Wheatstone bridge composed of at least four rectifying elements, the rectified DC power signal can make each of the LEDs The array continues to emit light, which can increase the luminous efficiency of the illumination device and the overall uniform illumination effect. The present invention has been disclosed in the above embodiments, and it is not intended to limit the invention to those skilled in the art, and it is possible to make some modifications and refinements without departing from the spirit and scope of the invention. The scope of the present invention is defined by the scope of the appended claims. [FIG. 1 is a schematic plan view of a light-emitting diode according to an embodiment of the present invention. x Figure 2 is a schematic cross-sectional view of the illuminating diode lighting device of Figure 1. 3 is an equivalent circuit diagram of a light-emitting diode lighting device of FIG. 1 of FIG. 1. FIG. 4 is an equivalent circuit diagram of a light-emitting diode according to another embodiment of the present invention. FIG. 5 is an equivalent circuit diagram of a light-emitting diode according to still another embodiment of the present invention. FIG. 6 is a circuit diagram of a light-emitting diode illumination according to still another embodiment of the present invention. 201104911 FIG. 7 is an equivalent circuit diagram of a light-emitting diode lighting device according to a further embodiment of the present invention. [Main component symbol description] 10 bottom plate 20 light-emitting diode array wafer 25 n-type semiconductor layer 26 active layer 27 p-type semiconductor layer 28 first pad 29 second pad 30 rectifying unit 301 first rectifying element 302 second rectification Element 303 third rectifying element 304 fourth rectifying element 40 first conductive pattern 41 second conductive pattern 42 third conductive pattern 43 fourth conductive pattern 50 heat sink block Ia first current path 19 201104911 ib second current path L wire

2020

Claims (1)

201104911 七、申請專利範圍: 1· 一種發光二極體照明裝置,包括: 一底板; 一發光二極體陣列晶片,具有一成長基材(growth substrate)及設置在該成長基材上且電性連接的複數發光二 極體’各該發光二極體具有堆疊於該成長基材上之複數半 導體層;以及 # 一整流單元,與該些發光二極體電性連接,該整流單 元將一交流電源訊號轉換為一直流電源訊號,使得該些發 光二極體接收到該直流電源訊號後發出一光源, 其中該整流單元與該發光二極體陣列晶片係分開設 置於該底板的不同區域上。 2.如申請專利範圍第1項所述之發光二極體照明裝置,其 中各該發光二極體之半導體層包括一 η型半導體層、一主 動層及一 ρ型半導體層’且依次堆疊於該成長基材上。 鲁 3·如申請專利範圍第2項所述之發光二極體照明裝置,其 中各該發光二極體更包括一第一焊墊(bonding pad),係形 成在該η型半導體層上,以及一第二焊墊,係形成在該ρ 型半導體層上。 4. 如申請專利範圍第1項所述之發光二極體照明裝置,其 中該整流單元包括由至少四個整流元件所組成的一惠斯 登電橋(Wheatston Bridge),而各該整流元件係分別設置在 該底板上。 5. 申請專利範圍第4項所述之發光二極體照明裝置,其中 21 201104911 各該整流元件係分別以焊錫接合或黏膠貼合而固定於該 底板上。 6. 如申請專利範圍第4項所述之發光二極體照明裝置,其 中該些整流元件係為蕭基二極體(Schottky Barrier Diode, SBD)。 7. 如申請專利範圍第4項所述之發光二極體照明裝置,其 中該些整流元件包括矽半導體元件或III-V族化合物半導 體元件。 8. 如申請專利範圍第4項所述之發光二極體照明裝置,其 中該惠斯登電橋包括一第一電流路徑及一第二電流路 徑,而一第一整流元件、該發光二極體陣列晶片及一第三 整流元件係位於該第一電流路徑上並依序串聯連接,而一 第四整流元件、該發光二極體陣列晶片及一第二整流元件 係位於該第二電流路徑上並依序串聯連接。 9. 如申請專利範圍第8項所述之發光二極體照明裝置,其 中該整流單元更包括一第一導電圖案及一第二導電圖 案,分別設置在該底板上,該第一導電圖案用以電性連接 該交流電源訊號之一端與該第一整流元件及該第二整流 元件,而該第二導電圖案用以電性連接該交流電源訊號之 另一端與該第三整流元件及該第四整流元件。 10. 如申請專利範圍第8項所述之發光二極體照明裝置,其 中該整流單元更包括一第三導電圖案及一第四導電圖 案,分別設置在該底板上’該第三導電圖案用以電性連接 該發光二極體陣列晶片之一電極與該第一整流元件及該 22 201104911 第四整流元件,而該第四導電圖案用以電性連接該發光二 極體陣列晶片之另一電極與該第二整流元件及該第三整 流元件。 11,如申請專利範圍第1項所述之發光二極體照明裝置,其 中該成長基材之材料包括藍寶石(sapphire)、碳化矽(si〇、 矽(Si)、氧化鋅(ZnO)、砷化鎵(GaAs)及尖晶石(MgAl204)。 12. 如申請專利範圍第1項所述之發光二極體照明裝置,其 中該交流電源訊號為90-120伏特、180-240伏特或270-330 伏特。 13. 如申晴專利範圍第1項所述之發光二極體照明裝置,其 中形成於該發光二極體陣列晶片中之該些發光二極體係 串聯或並聯連接。 14. 如申請專利範圍第1項所述之發光二極體照明裝置,其 中形成於該發光二極體陣列晶片中之該些發光二極體包 括串聯及並聯連接。 15.如申請專簡圍第1項所粒發光二極體㈣裝置,其 中該底板係由一熱導材料所構成。 16.如申請專利範圍第 項所述之發光二極體照明裝置,其201104911 VII. Patent application scope: 1. A light-emitting diode lighting device comprising: a bottom plate; a light-emitting diode array chip having a growth substrate and being disposed on the growth substrate and electrically Connecting the plurality of light-emitting diodes each of the light-emitting diodes has a plurality of semiconductor layers stacked on the growth substrate; and a rectifying unit electrically connected to the light-emitting diodes, the rectifying unit will be an alternating current The power signal is converted into a DC power signal, so that the LEDs emit a light source after receiving the DC power signal, wherein the rectifying unit and the LED array are separately disposed on different areas of the bottom plate. 2. The LED lighting device of claim 1, wherein the semiconductor layer of each of the LEDs comprises an n-type semiconductor layer, an active layer and a p-type semiconductor layer and are sequentially stacked on The growth substrate is on. The illuminating diode illuminating device of claim 2, wherein each of the illuminating diodes further includes a first bonding pad formed on the n-type semiconductor layer, and A second pad is formed on the p-type semiconductor layer. 4. The illuminating diode lighting device of claim 1, wherein the rectifying unit comprises a Wheatstone Bridge composed of at least four rectifying elements, and each of the rectifying elements is They are respectively disposed on the bottom plate. 5. The illuminating diode lighting device of claim 4, wherein 21 201104911 each of the rectifying elements is fixed to the bottom plate by solder bonding or adhesive bonding. 6. The illuminating diode lighting device of claim 4, wherein the rectifying elements are Schottky Barrier Diodes (SBDs). 7. The light-emitting diode lighting device of claim 4, wherein the rectifying elements comprise a germanium semiconductor component or a III-V compound semiconductor component. 8. The illuminating diode lighting device of claim 4, wherein the Wheatstone bridge comprises a first current path and a second current path, and a first rectifying element, the illuminating diode The body array chip and a third rectifying component are located on the first current path and are sequentially connected in series, and a fourth rectifying component, the LED array chip and a second rectifying component are located in the second current path Connected in series and in series. 9. The illuminating diode lighting device of claim 8, wherein the rectifying unit further comprises a first conductive pattern and a second conductive pattern respectively disposed on the bottom plate, wherein the first conductive pattern is used Electrically connecting one end of the AC power signal to the first rectifying element and the second rectifying element, and the second conductive pattern is electrically connected to the other end of the AC power signal and the third rectifying element and the first Four rectifying elements. 10. The illuminating diode lighting device of claim 8, wherein the rectifying unit further comprises a third conductive pattern and a fourth conductive pattern respectively disposed on the bottom plate. Electrically connecting one of the electrodes of the LED array chip with the first rectifying element and the 22 201104911 fourth rectifying element, and the fourth conductive pattern is electrically connected to the other of the LED array chip An electrode and the second rectifying element and the third rectifying element. 11. The light-emitting diode lighting device of claim 1, wherein the material of the growth substrate comprises sapphire, bismuth carbide (si〇, bismuth (Si), zinc oxide (ZnO), arsenic. Gallium (GaAs) and spinel (MgAl204) 12. The LED lighting device of claim 1, wherein the AC power signal is 90-120 volts, 180-240 volts or 270- The illuminating diode illuminating device of claim 1, wherein the illuminating diode circuits formed in the illuminating diode array chip are connected in series or in parallel. The illuminating diode illuminating device of claim 1, wherein the illuminating diodes formed in the illuminating diode array chip comprise series and parallel connections. A device for illuminating a diode (4), wherein the substrate is made of a thermally conductive material. 16. The illuminating diode device of claim 1, wherein 晶片設置於該散熱塊上, 用以提供該發光二極體晶片散熱 之途徑。 23 201104911 18·如申請專利範圍第17項所述之發光二極體照明裝置, 其申該底板為一矽基板、一電路板或一陶瓷基板。 19. 如申清專利範圍第丨項所述之發光二極體照明裝置,其 中該些發光二極體之半導體層之材料係包括氮化鎵、鋁^ 化鎵、銦氮化鎵及鋁銦氮化鎵至少其中之一。 20. 如申吻專利範圍第19項所述之發光二極體照明裝置, 其中該發光二極體之半導體層係藉由磊晶方式形成。 21. 如申凊專利範圍第1項所述之發光二極體照明裝置,其 中該發光二極體陣列晶片係藉由焊錫接合或黏膠貼人^ 固定於該底板上。 " 22. 如申請專利範圍第1項所述之發光二極體照明裝置,其 中形成於該發光二極體陣列晶片中之該些發光二極ς 相同波長或不同波長。 — 23. 如申請專利範圍第1項所述之發光二極體照明裝置,其 中該發光二極體陣列晶片更包括在該些發光二極體二 置至少一螢光粉材料。 % 24. 如申請專利範圍第23項所述之發光二極體照明裝置, 其中該些發光二極體發出的光與該螢光粉材料受数發 發出的光混合成白光。 X厅 25. 如申請專利範圍第24項所述之發光二極體照明裴置, 其中該些發光二極體發出的光包括藍光及紫外光。 26. 如申請專利範圍第25項所述之發光二極體照明裝置, 其:當該些發光二極體發出的光為藍光時,該螢光粉材料 為黃色螢光粉或紅色螢光粉加綠色螢光粉。 广 24 201104911 27. 如申請專利範圍第μ、+ 其中當該些發光二極㈣Γ 發極體照明裝置, 料為至多Μ “體^出的光為紫外光時,該螢光粉材 科為Κ色螢光粉加藍色馨本♦、士 粉再加藍Μ光粉。_4紅色螢錄加綠色螢光 28. —種發光二極體照明裝置,包括·· 光—極體陣列晶片,具有—成長基材及設置在該The chip is disposed on the heat dissipation block to provide a way for the light emitting diode to dissipate heat. The light-emitting diode lighting device of claim 17, wherein the bottom plate is a substrate, a circuit board or a ceramic substrate. 19. The illuminating diode illuminating device of claim 2, wherein the semiconductor layers of the luminescent diodes comprise gallium nitride, aluminum gallium nitride, indium gallium nitride and aluminum indium. At least one of gallium nitride. 20. The light-emitting diode lighting device of claim 19, wherein the semiconductor layer of the light-emitting diode is formed by epitaxy. 21. The LED lighting device of claim 1, wherein the LED array chip is attached to the substrate by solder bonding or adhesive bonding. The illuminating diode illuminating device of claim 1, wherein the illuminating diodes formed in the illuminating diode array wafer have the same wavelength or different wavelengths. The light-emitting diode array device of claim 1, wherein the light-emitting diode array chip further comprises at least one phosphor material on the light-emitting diodes. The light-emitting diode lighting device of claim 23, wherein the light emitted by the light-emitting diodes is mixed with the light emitted by the phosphor material into white light. The light-emitting diode illumination device of claim 24, wherein the light emitted by the light-emitting diodes includes blue light and ultraviolet light. 26. The illuminating diode lighting device of claim 25, wherein when the light emitted by the illuminating diodes is blue light, the phosphor material is yellow fluorescing powder or red fluorescing powder. Add green fluorescent powder.广24 201104911 27. If the patent application range is μ, + which is the light-emitting diode (4) Γ Γ 体 照明 照明 , , , Γ Γ Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Fluorescent powder with blue scent ♦, powdered with blue enamel powder. _4 red fluoroscopy plus green fluorescent 28. A kind of illuminating diode lighting device, including · · light body array wafer, with - growing the substrate and setting it in 連接的複數發光二極體,各該發光二極 體具有堆4=該成長基材上之複數半導體層;以及 一整流單兀,與該些發光二極體電性連接,該整流單 謂-交流電源訊號轉換為一直流電源訊號,使得該些發 光二極體接收到該直流電源訊號後發出一光源, 其中該整流單元不設置在該成長基材上。 29.如申請專利範圍第28項所述之發光二極體照明裝置, 其中該整流單元包括由至少四個整流元件所組成的一惠 斯登電橋(Wheatston Bridge) ’其中各該整流元件不設置在 該成長基材上。 30.如申請專利範圍第28項所述之發光二極體照明裝置, 其中各該發光二極體之半導體層包括一η型半導體層、一 主動層及一ρ型半導體層,且依次堆疊於該成長基材上。 31·如申請專利範圍第3〇項所述之發光二極體照明裝置, 其中各該發光二極體更包括一第一焊墊(b〇n(iing pad),係 形成在該η型半導體層上,以及一第二焊墊,係形成在該 Ρ型半導體層上。 32.如申請專利範圍第29項所述之發光二極體照明裝置, 25 201104911 其中該些整流元件係為蕭基二極體(Schottky Barrier Diode, SBD)。 , 33. 如申請專利範圍第29項所述之發光二極體照明裝置, 其中該些整流元件包括矽半導體元件或m_v族化合物半 導體元件。 34. 如申請專利範圍第29項所述之發光二極體照明裝置, 其中該惠斯登電橋包括一第一電流路徑及一第二電流路 徑,其中一第一整流元件、該發光二極體陣列晶片及一第 三整流元件係位於該第一電流路徑上並依序串聯連接,而 一第四整流元件、該發光二極體陣列晶片及一第二整流元 件係位於該第二電流路徑上並依序串聯連接。 35. 如申請專利範圍第28項所述之發光二極體照明裝置, 其中該成長基材之材料包括藍寶石(sapphire)、碳化矽 (SiC)、矽(Si)、氧化鋅(Zn0)、砷化鎵(GaAs)及尖晶石 (MgAl204)。 36. 如申請專利範圍第28項所述之發光二極體照明裝置, 其中該交流電源訊號為90-120伏特、180-240伏特或 270-330 伏特。 37·如申請專利範圍第28項所述之發光二極體照明裝置, 其中形成於該發光二極體陣列晶片中之該些發光二極體 係串聯或並聯連接。 38.如申請專利範圍第28項所述之發光二極體照明裝置, 其中形成於該發光二極體陣列晶片中之該些發光二極體 包括串聯及並聯連接。 26 201104911 39. 如申請專利範圍第28項所述之發光二極體照明裝置, 其中該些發光二極體之半導體層之材料係包括氮化鎵、鋁 氮化鎵、銦氮化鎵及鋁銦氮化鎵至少其中之一。 40. 如申請專利範圍第39項所述之發光二極體照明裝置, 其中該發光二極體之半導體層係措由蟲晶方式形成。 41. 如申請專利範圍第28項所述之發光二極體照明裝置, 其中形成於該發光二極體陣列晶片中之該些發光二極體 係相同波長或不同波長。 42. 如申請專利範圍第28項所述之發光二極體照明裝置, 其中該發光二極體陣列晶片更包括在該些發光二極體上 設置至少一螢光粉材料。 43. 如申請專利範圍第42項所述之發光二極體照明裝置, 其中該些發光二極體發出的光與該螢光粉材料受激發所 發出的光混合成白光。 44. 如申請專利範圍第43項所述之發光二極體照明裝置, 其中該些發光二極體發出的光包括藍光及紫外光。 45. 如申請專利範圍第44項所述之發光二極體照明裝置, 其中當該些發光二極體發出的光為藍光時,該螢光粉材料 為黃色螢光粉或紅色螢光粉加綠色螢光粉。 46. 如申請專利範圍第44項所述之發光二極體照明裝置, 其中當該些發光二極體發出的光為紫外光時,該螢光粉材 料為黃色螢光粉加藍色螢光粉或紅色螢光粉加綠色螢光 粉再加藍色螢光粉。 47. —種發光二極體陣列晶片,用以接收直流電源訊號後發 27 201104911 出光源,該發光二極體陣列晶片包括: 一成長基板;以及 複數發光二極體,設置在該成長基材上且電性連接, 各該發光二極體具有堆疊於該成長基材上的複數半導體 層。 48. 如申叫專利範圍第47項所述之發光二極體陣列晶片, 其中各4發光二極體之半導體層包括—n型半導體層、一 主動層及-Ρ科導體層,且依次堆S於軸長基材上。 49. 如申請專利範圍第48項所述之發光二極體陣列晶片, 其中各違發光二極體更包括-第-焊塾(bonding pad),係 形成在該η型半導縣上,以及—第二焊塾,係形成在該 P型半導體層上。 50. 如申請專利範圍第47項所述之發光二極體陣列晶片, 其中該成長基材之材料包括藍寶石(sapphire)、碳化矽 (sic)、石夕(si)、氧化鋅(Zn0)、砷化鎵(GaAs)及尖晶石 (MgAl204)。 51. 如申請專利範圍第47項所述之發光二極體陣列晶片, 其中該些發光二極體係串聯或並聯連接。 52. 如申請專利範圍第47項所述之發光二極體陣列晶片, 其中該些發光二極體包括複數並聯連接的群組,其中每一 群組具有複數串聯連接的前述發光二極體。 53. 如申請專利範圍第47項所述之發光二極體陣列晶片, 其中該些發光二極體包括複數串聯連接的群組,其中每一 群組具有複數並聯連接的前述發光二極體。 28 201104911 申明專利㈣第47項所述之發光二極體陣列晶片, 八5亥些發光二極體包括複數串聯連接的第一群組,其中 每一第一群組具有複數並聯連接的第二群組,每一第二群 組具有複數串聯連接的前述發光二極體。 55. 如申請專利範圍第47項所述之發光二極 其;t該些發光二極體包括至少—第―群組及複數]並;J連 接第二群組,該第一群組與該些第二群組争聯連接,該第 一群組具有至少一串聯連接的前述發光二極體,而該第二 群組具有至少一串聯連接的前述發光二極體。 56. 如申請專利範圍第47項所述之發光二極體陣列晶片, 其中該些發光二極體係相同波長或不同波長。 57. 如申請專利範圍第47項所述之發光二極體陣列晶片, 更包括在該些發光二極體上設置至少一螢光粉材料。 58. 如申請專利範圍第57項所述之發光二極體陣列晶片, 其中該些發光二極體發出的光與該螢光粉材料受激發所 發出的光混合成白光。 59‘如申請專利範圍第58項所述之發光二極體陣列晶片, 其中該些發光二極體發出的光包括藍光及紫外光。 60. 如申請專利範圍第59項所述之發光二極體陣列晶片, 其中當該些發光二極體發出的光為藍光時,該螢光粉材料 為黃色螢光粉或紅色螢光粉加綠色螢光粉。 61. 如申請專利範圍第59頊所述之發光二極體陣列晶片, 其中當該些發光二極體發出的光為紫外光時,該螢光粉材 料為黃色螢光粉加藍色螢光粉或紅色螢光粉加綠色螢光 29 201104911 粉再加藍色螢光粉。a plurality of connected light-emitting diodes, each of the light-emitting diodes having a stack 4=a plurality of semiconductor layers on the grown substrate; and a rectifying unit electrically connected to the light-emitting diodes, the rectification unit The AC power signal is converted into a DC power signal, so that the LEDs emit a light source after receiving the DC power signal, wherein the rectifying unit is not disposed on the growing substrate. 29. The illuminating diode lighting device of claim 28, wherein the rectifying unit comprises a Wheatstone Bridge consisting of at least four rectifying elements, wherein each of the rectifying elements does not It is placed on the growth substrate. The illuminating diode illuminating device of claim 28, wherein each of the semiconductor layers of the illuminating diode comprises an n-type semiconductor layer, an active layer and a p-type semiconductor layer, and is sequentially stacked on The growth substrate is on. The illuminating diode illuminating device of claim 3, wherein each of the illuminating diodes further includes a first pad (iing pad) formed on the n-type semiconductor And a second solder pad is formed on the germanium-type semiconductor layer. 32. The light-emitting diode lighting device according to claim 29, 25 201104911 wherein the rectifying elements are Xiaoji A light-emitting diode lighting device according to claim 29, wherein the rectifying elements comprise a germanium semiconductor element or a m_v compound semiconductor element. The illuminating diode illuminating device of claim 29, wherein the Wheatstone bridge comprises a first current path and a second current path, wherein the first rectifying element and the illuminating diode array chip And a third rectifying component is located on the first current path and connected in series, and a fourth rectifying component, the LED array chip and a second rectifying component are located on the second current path and The light-emitting diode lighting device of claim 28, wherein the material of the growth substrate comprises sapphire, SiC, bismuth (Si), zinc oxide ( Zn0), gallium arsenide (GaAs), and spinel (MgAl204). The light-emitting diode lighting device of claim 28, wherein the AC power signal is 90-120 volts, 180-240 The illuminating diode illuminating device of claim 28, wherein the illuminating diode systems formed in the illuminating diode array chip are connected in series or in parallel. The illuminating diode illuminating device of claim 28, wherein the illuminating diodes formed in the illuminating diode array chip comprise series and parallel connections. 26 201104911 39. The illuminating diode device of claim 28, wherein the material of the semiconductor layer of the illuminating diode comprises at least one of gallium nitride, aluminum gallium nitride, indium gallium nitride and aluminum indium gallium nitride. 40. If you apply for a special The illuminating diode illuminating device of the ninth aspect, wherein the illuminating diode device of the illuminating diode is formed by the insect crystal method. The illuminating diode illuminating device of the illuminating diode array, wherein the illuminating diode array is formed in the illuminating diode array, wherein the illuminating diode array is The light emitting diode device is further provided on the light emitting diodes, wherein the light emitting diodes of the light emitting diodes and the light emitting diodes are The phosphor material is mixed with white light by the light emitted by the excitation. 44. The illuminating diode lighting device of claim 43, wherein the light emitted by the illuminating diodes comprises blue light and ultraviolet light. The light-emitting diode lighting device of claim 44, wherein when the light emitted by the light-emitting diodes is blue light, the fluorescent powder material is yellow fluorescent powder or red fluorescent powder plus Green fluorescent powder. The light-emitting diode lighting device of claim 44, wherein when the light emitted by the light-emitting diodes is ultraviolet light, the fluorescent powder material is yellow fluorescent powder plus blue fluorescent light. Powder or red fluorescent powder plus green fluorescent powder plus blue fluorescent powder. 47. A light-emitting diode array chip for receiving a DC power signal and transmitting a light source, the light-emitting diode array chip comprising: a growth substrate; and a plurality of light-emitting diodes disposed on the growth substrate And electrically connected, each of the light emitting diodes has a plurality of semiconductor layers stacked on the growth substrate. 48. The light-emitting diode array wafer according to claim 47, wherein the semiconductor layer of each of the four light-emitting diodes comprises an -n-type semiconductor layer, an active layer, and a --conductor conductor layer, and sequentially stacked S is on the axial length substrate. 49. The illuminating diode array wafer of claim 48, wherein each of the illuminating diodes further comprises a - bonding pad formed on the n-type semi-conducting county, and a second solder fillet formed on the P-type semiconductor layer. The light-emitting diode array wafer according to claim 47, wherein the material of the growth substrate comprises sapphire, sic, si, zinc oxide (Zn0), Gallium arsenide (GaAs) and spinel (MgAl204). The light-emitting diode array wafer of claim 47, wherein the light-emitting diode systems are connected in series or in parallel. The light-emitting diode array wafer of claim 47, wherein the light-emitting diodes comprise a plurality of groups connected in parallel, wherein each group has a plurality of the light-emitting diodes connected in series. The light-emitting diode array wafer of claim 47, wherein the light-emitting diodes comprise a plurality of groups connected in series, wherein each group has a plurality of the light-emitting diodes connected in parallel. The invention relates to the light-emitting diode array chip of claim 47, wherein the light-emitting diodes comprise a first group of a plurality of series connected, wherein each of the first groups has a plurality of parallel connected second Group, each of the second groups has a plurality of the aforementioned light emitting diodes connected in series. 55. The illuminating two according to claim 47 is extremely extreme; t the illuminating diodes include at least - the first group and the plural number; and J is connected to the second group, the first group and the The second group is contiguously connected, the first group has at least one of the light emitting diodes connected in series, and the second group has at least one of the light emitting diodes connected in series. The light-emitting diode array wafer of claim 47, wherein the light-emitting diode systems have the same wavelength or different wavelengths. The light-emitting diode array wafer of claim 47, further comprising at least one phosphor material disposed on the light-emitting diodes. The light-emitting diode array wafer of claim 57, wherein the light emitted by the light-emitting diodes is mixed with the light emitted by the phosphor material to form white light. The light-emitting diode array wafer of claim 58, wherein the light emitted by the light-emitting diodes comprises blue light and ultraviolet light. 60. The LED array of claim 59, wherein when the light emitted by the LEDs is blue light, the phosphor material is yellow phosphor or red phosphor. Green fluorescent powder. 61. The LED array according to claim 59, wherein when the light emitted by the LEDs is ultraviolet light, the phosphor material is yellow phosphor plus blue phosphor. Powder or red fluorescent powder plus green fluorescent 29 201104911 powder plus blue fluorescent powder.
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8426226B2 (en) 2011-08-04 2013-04-23 National Central University Method for fabricating integrated alternating-current light-emitting-diode module

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8426226B2 (en) 2011-08-04 2013-04-23 National Central University Method for fabricating integrated alternating-current light-emitting-diode module

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