TWI451804B - Ac lighting device - Google Patents
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Description
本發明有關於一種發光裝置，特別係有關於一種使用發光二極體微晶粒之交流發光裝置。The present invention relates to a light-emitting device, and more particularly to an AC light-emitting device using a light-emitting diode micro-grain.
由於具有耐用、壽命長、輕巧、低耗電並且不含有害物質(例如汞)的特性，因此使用發光二極體(LED)之照明技術已經變成照明產業與半導體產業未來非常重要的發展方向。一般而言，發光二極體係廣泛地應用於白光照明裝置、指示燈、車用信號燈、車用大燈、閃光燈、液晶顯示器之背光模組、投影機之光源、戶外顯示單元…等等。Due to its durability, long life, light weight, low power consumption and no harmful substances (such as mercury), the use of light-emitting diode (LED) lighting technology has become a very important development direction for the lighting industry and the semiconductor industry in the future. In general, the light-emitting diode system is widely used in white light illumination devices, indicator lights, vehicle signal lights, automotive headlights, flashlights, backlight modules for liquid crystal displays, light sources for projectors, outdoor display units, and the like.
第1A圖係為二極體發光裝置中輸入電壓與電流的波形圖。由於每一個發光二極體微晶粒之操作電壓(耐受電壓)只有2~5V左右，所以複數個二極體微晶粒需要連接成串才可以在電力公司所提供之市電下使用。因此，該串發光二極體微晶粒之等效起始電壓將高達90V以上。換言之，於交流電源之正週期中，只有在交流電源所提供之輸入電壓高於90V(約t＝0.002秒至0.006秒)時，才會產生電流通過發光二極體微晶粒。同樣地，於交流電源之負週期中，只有在交流電源所提供之輸入電壓低於－90V(約t＝0.010秒至0.014秒)時，才會產生電流通過發光二極體微晶粒。Fig. 1A is a waveform diagram of input voltage and current in a diode light-emitting device. Since the operating voltage (withstand voltage) of each of the light-emitting diode micro-grains is only about 2 to 5 V, a plurality of diode micro-crystals need to be connected in series to be used under the commercial power provided by the power company. Therefore, the equivalent starting voltage of the string of light emitting diode microcrystals will be as high as 90V or more. In other words, in the positive cycle of the AC power source, current is passed through the light-emitting diode microcrystals only when the input voltage supplied by the AC power source is higher than 90V (about t=0.002 seconds to 0.006 seconds). Similarly, in the negative cycle of the AC power source, current is passed through the light-emitting diode microcrystals only when the input voltage supplied by the AC power source is lower than -90V (about t = 0.010 seconds to 0.014 seconds).
第1B圖係為二極體發光裝置中電流與交流發光二極體模組之光輸出的波形圖。如圖所示，當未產生電流通過發光二極體微晶粒時，將不產生光輸出(即發出亮光)。換言之，只有交流電源所提供之輸入電壓高於正負起始電壓時(即t＝0.002秒至0.006秒與約＝0.010秒至0.014秒)，發光二極體微晶粒則才會產生光輸出。Fig. 1B is a waveform diagram of the light output of the current and the AC LED module in the diode light-emitting device. As shown, when no current is generated through the light-emitting diode micro-grains, no light output (ie, bright light) will be produced. In other words, only when the input voltage provided by the AC power source is higher than the positive and negative starting voltages (ie, t=0.002 seconds to 0.006 seconds and about =0.010 seconds to 0.014 seconds), the light-emitting diode micro-crystals produce light output.
一般而言，在功率計算上分為視在功率與實功功率，視在功率為一週期內電壓與電流之均方根值的乘積，而實功功率為一週期內每一點電壓與電流之乘積的平均值。再者，功率因素則會實功功率與視在功率之比值，通常功率因素太小會造成電力設備的負擔與電力浪費。舉例而言，電灣電力公司則要求功率因素必需大於0.8。Generally speaking, the power calculation is divided into apparent power and actual power. The apparent power is the product of the rms value of voltage and current in one cycle, and the actual power is the voltage and current at each point in the week. The average of the products. Moreover, the power factor will be the ratio of the actual power to the apparent power. Usually, the power factor is too small, which will cause the burden of the power equipment and the waste of power. For example, the Electric Power Company requires that the power factor must be greater than 0.8.
由第1A圖與第1B可得知交流電源所供電之發光二極體微晶粒的功率因素必定會小於1，再者當起始電壓太高時，也會讓發光二極體微晶粒不發光的比例增加，因此閃爍的程度將會變大。除此之外，交流電源所提供之輸入電壓的頻率亦會影響發光二極體微晶體之閃爍程度，當輸入電壓之頻率太低時也會造成二極體微晶體之閃爍程度增加。It can be seen from FIG. 1A and FIG. 1B that the power factor of the light-emitting diode micro-crystals supplied by the alternating current power source must be less than 1, and when the starting voltage is too high, the light-emitting diode micro-crystals are also allowed. The proportion of non-lighting increases, so the degree of flickering will become larger. In addition, the frequency of the input voltage provided by the AC power source also affects the degree of flicker of the LED microcrystal. When the frequency of the input voltage is too low, the flicker of the diode microcrystal increases.
因此，需要一種二極體發光裝置能夠消除操作於交流電源時所產生閃爍與功率因素太小的問題。Therefore, there is a need for a diode illuminating device that eliminates the problem that the flicker and power factor generated when operating on an AC power source is too small.
本發明係提供一種交流發光裝置，包括一交流發光二極體模組，具有至少兩組二極體微晶粒；以及一波形調變單元，耦接於交流發光二極體模組與一交流輸入電壓之間，用以調變交流輸入電壓之波形。The invention provides an alternating current illuminating device, comprising an alternating current illuminating diode module having at least two sets of diode microcrystals; and a waveform modulating unit coupled to the alternating current illuminating diode module and an alternating current Between the input voltages, used to modulate the waveform of the AC input voltage.
本發明亦提供一種交流發光裝置，包括一交流發光二極體模組，具有至少兩組二極體微晶粒；以及一頻率調變單元，耦接於交流發光二極體模組與一交流輸入電壓之間，用以調整交流輸入電壓之頻率。The invention also provides an AC illuminating device, comprising an AC LED module having at least two sets of diode microcrystals; and a frequency modulation unit coupled to the AC LED module and an AC The frequency between the input voltages to adjust the AC input voltage.
本發明亦提供一種交流發光裝置，包括一交流發光二極體模組，具有至少兩組二極體微晶粒；以及一調變單元，耦接於上述交流發光二極體模組與一交流輸入電壓之間，用以增加上述交流輸入電壓之頻率和半高寬。The present invention also provides an alternating current illuminating device, comprising an alternating current illuminating diode module having at least two sets of diode microcrystals; and a modulating unit coupled to the alternating illuminating diode module and an alternating current Between the input voltages, to increase the frequency and the full width at half maximum of the above AC input voltage.
為了讓本發明之上述和其他目的、特徵、和優點能更明顯易懂，下文特舉一較佳實施例，並配合所附圖示，作詳細說明如下：The above and other objects, features, and advantages of the present invention will become more apparent and understood.
第2圖係為本發明中交流發光裝置之一實施例。交流發光裝置100包括一交流發光二極體模組10，用以耦接至一交流電源20所提供之輸入電壓VS，以及一波形調變單元14。交流發光二極體模組10包括複數二極體微晶粒12，形成於一基板(未顯示於圖中)，並藉由基板上之導線連接成至少兩串(兩組)。此外，二極體微晶粒12為可根據不同操作電壓調整其操作功率之發光元件。舉例而言，二極體微晶粒12係可為發光二極體微晶粒(micro－light emitting diodes；micro LEDs)或雷射二極體微晶粒(micro－laser diodes；micro LDs)，但不限定於此。一般而言，交流發光裝置被封在一封裝結構中，在此封裝結構中包含螢光粉，可將微晶粒發出的光混成其他色光。於此實施例中，每一串二極體微晶粒12之起始電壓大約為90V，但不限定於此。於交流電源20之正週期中，當輸入電壓VS高於90V時，則會有電流通過交流發光二極體模組10中位於下方的那一串二極體微晶粒12，以便發出亮光。同樣地，於交流電源20之負週期中，當輸入電壓VS低於－90V時，則會產生電流通過交流發光二極體模組10中位於上方的那一串二極體微晶粒12，使交流發光二極體模組10發出亮光。Fig. 2 is an embodiment of an alternating current illuminating device of the present invention. The AC illuminating device 100 includes an AC LED module 10 for coupling to an input voltage VS provided by an AC power source 20 and a waveform modulation unit 14. The AC LED module 10 includes a plurality of diode micro-dies 12 formed on a substrate (not shown) and connected by wires on the substrate into at least two strings (two groups). Further, the diode microcrystals 12 are light-emitting elements that can adjust their operating power according to different operating voltages. For example, the diode micro-crystal 12 system can be micro-light emitting diodes (micro-LEDs) or micro-laser diodes (micro LDs). However, it is not limited to this. In general, the AC illuminating device is enclosed in a package structure in which a phosphor powder is included to mix the light emitted by the microcrystal grains into other color lights. In this embodiment, the initial voltage of each of the series of diode microcrystals 12 is about 90V, but is not limited thereto. During the positive cycle of the AC power source 20, when the input voltage VS is higher than 90 V, current flows through the string of diode micro-dies 12 located below the AC LED module 10 to emit bright light. Similarly, in the negative period of the AC power source 20, when the input voltage VS is lower than -90 V, a current is passed through the series of diode micro-dies 12 located above the AC LED module 10. The AC LED module 10 emits light.
波形調變單元14係用以增加交流電源20所提供之輸入電壓VS的半高寬。第3A圖係為波形調變單元處理後交流電源所提供之輸入電壓與電流的波形圖。如圖所示，當波形調變單元14將輸入電壓VS的半高寬增加之後，輸入電壓VS高於起始電壓(約90V)的時間就會隨之增加。舉例而言，於交流電源20之正週期中，在輸入電壓VS高於90V(約t＝0.001秒至0.007秒)時，都會產生電流通過交流發光二極體模組10中位於下方的那一串二極體微晶粒12。同樣地，於交流電源20之負週期中，在輸入電壓VS低於－90V(約t＝0.009秒至0.015秒)時，都會產生電流通過交流發光二極體模組10中位於上方的那一串二極體微晶粒12。由於電流通過二極體微晶粒12的總時間變長，交流發光二極體模組10之實功功率就會增加，故功率因素亦隨之提升。The waveform modulation unit 14 is for increasing the full width at half maximum of the input voltage VS provided by the AC power source 20. Figure 3A is a waveform diagram of the input voltage and current supplied by the AC power supply after the waveform modulation unit processes. As shown, when the waveform modulation unit 14 increases the full width at half maximum of the input voltage VS, the time during which the input voltage VS is higher than the initial voltage (about 90 V) increases. For example, in the positive cycle of the AC power source 20, when the input voltage VS is higher than 90V (about t=0.001 second to 0.007 seconds), a current is generated through the lower side of the AC LED module 10. String diode microcrystals 12. Similarly, in the negative cycle of the AC power source 20, when the input voltage VS is lower than -90 V (about t = 0.09 seconds to 0.015 seconds), a current is generated through the upper side of the AC LED module 10. String diode microcrystals 12. Since the total time of the current passing through the diode micro-dies 12 becomes longer, the actual power of the AC LED module 10 increases, so the power factor also increases.
第3B圖係為波形調變單元處理後，通過交流發光二極體模組之電流與其光輸出的波形圖。如圖所示，由於通過交流發光二極體模組10之電流隨著輸入電壓VS的半高寬增加而增加，所以交流發光二極體模組10產生光輸出的週期也隨之增加。舉例而言，於t＝0.002秒至0.006秒與約＝0.010秒至0.015秒時，交流發光二極體模組10皆會產生光輸出。反言之，大約只有在0.075~0.090秒這段時間，交流發光二極體模組10才沒有產生光輸出。由此可知，發光二極體微晶粒不發光的比例降低，所以閃爍的程度將會降低。Figure 3B is a waveform diagram of the current through the AC LED module and its light output after being processed by the waveform modulation unit. As shown in the figure, since the current through the AC LED module 10 increases as the half-height of the input voltage VS increases, the period in which the AC LED module 10 produces the light output also increases. For example, at t=0.002 seconds to 0.006 seconds and about =0.010 seconds to 0.015 seconds, the AC LED module 10 produces a light output. Conversely, the AC LED module 10 does not produce a light output only during the period of 0.075 to 0.090 seconds. From this, it can be seen that the proportion of the light-emitting diode microcrystals that do not emit light is lowered, so the degree of flickering is lowered.
於其它實施例中，波形調變單元14亦可以增加輸入電壓VS的半高寬，使得該輸入電壓VS由弦波波形變成方波波形，如第4A圖中所示。如此一來，二極體微晶粒12大部分的時間都操作於順向電壓之下。舉例而言，輸入電壓VS幾乎整個交流電源20之正週期中都會高於起始電壓(＋90V)，使得第2圖中交流發光二極體模組10中位於下方的那一串二極體微晶粒12會被導通。同樣地，輸入電壓VS幾乎整個交流電源20之負週期中都會低於超始電壓(－90V)，使得第2圖中交流發光二極體模組10中位於上方的那一串二極體微晶粒12會被導通。第4B圖係為波形調變單元處理後，通過交流發光二極體模組之光輸出的波形圖。如圖所示，由於輸入電壓VS於交流電源20之正週期中幾乎都會高於＋90V，並且於交流電源20之負週期中幾乎都會低於－90V，故交流發光二極體模組10有電流通流的時間會增加，因此交流發光二極體模組10產生光輸出的週期也隨之增加。在交流發光二極體模組10不發光的時間變少之後，閃爍的程度亦會隨之降低。In other embodiments, the waveform modulation unit 14 can also increase the full width at half maximum of the input voltage VS such that the input voltage VS changes from a sinusoidal waveform to a square wave waveform, as shown in FIG. 4A. As a result, the diode micro-grains 12 operate for most of the time under the forward voltage. For example, the input voltage VS is higher than the initial voltage (+90V) in the positive cycle of the entire AC power source 20, so that the string of diodes located below the AC LED module 10 in FIG. The die 12 will be turned on. Similarly, the input voltage VS is lower than the over-voltage (-90V) in the negative period of the entire AC power source 20, so that the string of diodes located above the AC LED module 10 in FIG. The die 12 will be turned on. Figure 4B is a waveform diagram of the light output through the AC LED module after being processed by the waveform modulation unit. As shown, since the input voltage VS is almost higher than +90V in the positive cycle of the AC power source 20, and is almost lower than -90V in the negative cycle of the AC power source 20, the AC LED module 10 has a current. The flow time will increase, so the period in which the AC LED module 10 produces light output also increases. After the time during which the AC LED module 10 does not emit light is reduced, the degree of flicker is also reduced.
於某些實施例中，波形調變單元14亦可以將交流電源20所提供之輸入電壓VS的波形由弦波調變成第5A圖或第5B圖所示之方波。舉例而言，當輸入電壓VS的波形被調變成第5A圖中所示之波形時，於交流電源20之正週期中，交流發光二極體模組10中位於下方的那一串二極體微晶粒會導通一第一時間，而於交流電源20之正週期中，交流發光二極體模組10中位於上方的那一串二極體微晶粒會導通一第二時間，其中第一時間大於第二時間。換言之，交流發光二極體模組10在交流電源20之正週期的導通時間會比在負週期的導通時間長。In some embodiments, the waveform modulation unit 14 can also change the waveform of the input voltage VS provided by the AC power source 20 from a chord to a square wave as shown in FIG. 5A or FIG. 5B. For example, when the waveform of the input voltage VS is modulated into the waveform shown in FIG. 5A, the series of diodes located below the AC LED module 10 in the positive cycle of the AC power source 20 The micro-die will be turned on for a first time, and in the positive cycle of the AC power source 20, the string of diodes above the AC LED module 10 will be turned on for a second time, wherein One time is greater than the second time. In other words, the AC light-emitting diode module 10 has a longer on-time in the positive cycle of the AC power source 20 than in the negative cycle.
如第5B圖中所示，於交流電源20之正週期中，交流發光二極體模組10中位於下方的那一串二極體微晶粒12會導通一第一時間，而於交流電源20之正週期中，交流發光二極體模組10中位於上方的那一串二極體微晶粒12會導通一第二時間，其中第一時間小於第二時間。換言之，交流發光二極體模組10於交流電源20之負週期的導通時間會比在正週期的導通時間長。As shown in FIG. 5B, in the positive cycle of the AC power source 20, the string of diodes 12 in the lower portion of the AC LED module 10 is turned on for a first time, and is in an AC power source. During the positive period of 20, the series of diode micro-dies 12 located above the AC LED module 10 will be turned on for a second time, wherein the first time is less than the second time. In other words, the conduction time of the AC LED module 10 in the negative cycle of the AC power source 20 is longer than the conduction time in the positive cycle.
舉例而言，交流發光二極體模組10中位於下方的那一串二極體微晶粒12可發出第一種色光，而交流發光二極體模組10中位於上方的那一串二極體微晶粒12可發出第二種色光。因此，本發明可藉由第5A圖與第5B圖之實施例中，交流電源20之正、負週期的導通時間不同，來達到混色的效果。For example, the string of diodes 12 in the lower portion of the AC LED module 10 can emit a first color light, and the string of LEDs in the AC LED module 10 is located above. The polar microcrystals 12 can emit a second color light. Therefore, in the embodiment of FIGS. 5A and 5B, the conduction time of the positive and negative periods of the AC power source 20 is different to achieve the effect of color mixing.
第6A圖係為交流發光二極體模組之另一實施例。如圖所示，交流發光二極體模組10’中之二極體微晶粒12係被連接成複數串微發光單元16，其中每個微發光單元16包括兩個反相並聯連接之二極體微晶粒12。於某些實施例中，每個微發光單元16係包括更多並聯、串聯或串並聯連接之二極體微晶粒12。Figure 6A is another embodiment of an alternating current light emitting diode module. As shown, the diode micro-crystals 12 in the AC LED module 10' are connected into a plurality of strings of micro-light-emitting units 16, wherein each of the micro-light-emitting units 16 includes two inverting parallel connections. Polar body microcrystals 12. In some embodiments, each micro-lighting unit 16 includes more parallel micro-crystals 12 connected in parallel, in series, or in series-parallel.
第6B圖係為交流發光二極體模組之另一實施例。如圖所示，交流發光二極體模組10”中之二極體微晶粒12係被連接成複數串微發光單元16”，其中每個微發光單元16”中兩個二極體微晶粒12連串聯後再與另兩個二極體微晶粒12並聯，但不限定於此。Figure 6B is another embodiment of an alternating current light emitting diode module. As shown, the diode micro-crystals 12 in the AC LED module 10" are connected into a plurality of strings of micro-lighting units 16", wherein each of the micro-lighting units 16" is in the form of two diodes. The crystal grains 12 are connected in series and then connected in parallel with the other two diode microcrystals 12, but are not limited thereto.
第6C圖係為交流發光二極體模組之另一實施例。如圖所示，交流發光二極體模組10A係包括串聯一個以上之微發光單元16A，其中每個微發光單元16A係包括橋式連接之二極體微晶粒12_1~12_5，其中橋式結構的各分支亦可由複數個微晶粒串聯、並聯或其組合取代，但不限定於此。舉例而言，於交流電源20之正週期中，每個微發光單元16A中之二極體微晶粒12_1~12_3會導通一第一時間，而於交流電源20之正週期中，每個微發光單元16A中之二極體微晶粒12_3~12_5會導通一第二時間，其中第一時間可與第二時間不同。換言之，於交流電源20之正週期中，每個微發光單元16A中之二極體微晶粒12_1~12_3會被視為一第一組二極體微晶粒，而於交流電源20之負週期中，每個微發光單元16A中之二極體微晶粒12_3~12_5會被視為一第二組二極體微晶粒。也就是說，二極體微晶粒12_3係共用於交流電源20之正、負週期中。Figure 6C is another embodiment of an alternating current light emitting diode module. As shown in the figure, the AC LED module 10A includes one or more micro-light-emitting units 16A connected in series, wherein each of the micro-light-emitting units 16A includes bridge-connected diode micro-crystals 12_1~12_5, wherein the bridge type Each branch of the structure may be replaced by a plurality of micro-grains in series, in parallel, or a combination thereof, but is not limited thereto. For example, in the positive period of the AC power source 20, the diode micro-crystals 12_1~12_3 in each of the micro-light-emitting units 16A are turned on for a first time, and in the positive period of the AC power source 20, each micro- The diode micro-grains 12_3~12_5 in the light-emitting unit 16A are turned on for a second time, wherein the first time can be different from the second time. In other words, in the positive cycle of the AC power source 20, the diode micro-crystals 12_1~12_3 in each of the micro-light-emitting units 16A are regarded as a first group of diode micro-crystals, and are negative in the AC power source 20. During the period, the diode microcrystals 12_3~12_5 in each micro-light-emitting unit 16A are regarded as a second group of diode micro-grains. That is to say, the diode micro-grains 12_3 are commonly used in the positive and negative periods of the AC power source 20.
第6D圖係為交流發光二極體模組之另一實施例。如圖所示，交流發光二極體模組10B係包括複數串的微發光單元16A，其中每個微發光單元16A係包括橋式連接之二極體微晶粒12_1~12_5。同樣地，於交流電源20之正週期中，每個微發光單元16A中之二極體微晶粒12_1~12_3會導通一第一時間，而於交流電源20之正週期中，每個微發光單元16A中之二極體微晶粒12_3~12_5會導通一第二時間。Figure 6D is another embodiment of an AC LED module. As shown, the AC LED module 10B includes a plurality of micro-lighting units 16A, each of which includes bridge-connected diode micro-crystals 12_1~12_5. Similarly, in the positive cycle of the AC power source 20, the diode micro-crystals 12_1~12_3 in each of the micro-light-emitting units 16A are turned on for a first time, and in the positive period of the AC power source 20, each micro-lighting The diode micro-crystals 12_3~12_5 in unit 16A are turned on for a second time.
第7圖係為本發明之交流發光裝置之另一實施例。如圖所示，交流發光裝置100’係與第2圖中所示之交流發光裝置相似，其差異在於將波形調變單元16省略，而使用頻率調變單元18調整交流電源20之電壓頻率。頻率調變單元18係用以將交流電源20之電壓頻率由60Hz以下調高至60Hz~100Hz的範圍內，以便藉由眼睛視覺暫留的效果，讓使用者不會感受到閃爍。在較佳的實施例中，頻率調變單元18係用以將交流電源20之電壓頻率調高至100Hz~60KHz的範圍內。於最佳的實施例中，頻率調變單元18係用以將交流電源20之電壓頻率調高至100Hz~1KHz的範圍內。Fig. 7 is another embodiment of the alternating current illuminating device of the present invention. As shown, the AC illuminating device 100' is similar to the AC illuminating device shown in Fig. 2, except that the waveform modulating unit 16 is omitted, and the frequency modulating unit 18 is used to adjust the voltage frequency of the AC power source 20. The frequency modulation unit 18 is configured to increase the voltage frequency of the AC power source 20 from 60 Hz to 60 Hz to 100 Hz, so that the user does not feel the flicker by the effect of persistence of the eye vision. In a preferred embodiment, the frequency modulation unit 18 is configured to increase the voltage frequency of the AC power source 20 to a range of 100 Hz to 60 kHz. In the preferred embodiment, the frequency modulation unit 18 is configured to increase the voltage frequency of the AC power source 20 to a range of 100 Hz to 1 KHz.
第8圖係顯示交流發光裝置於不同電壓頻率下之亮度。如圖所示，當交流電源20之電壓頻率被調高至1KHz時，交流發光裝置100’發出光線的間隔將會小於人眼所能感受的範圍，因此本發明將可改善發光二極體微晶粒搭配螢光粉，延遲效果不佳人眼所感受到的閃爍。Figure 8 shows the brightness of an AC illuminator at different voltage frequencies. As shown in the figure, when the voltage frequency of the AC power source 20 is adjusted to 1 kHz, the interval of the illuminating device 100' to emit light will be smaller than the range that the human eye can feel, so the present invention can improve the light-emitting diode micro The crystal grain is matched with the fluorescent powder, and the delay effect is not good, and the flicker is felt by the human eye.
第9圖係為本發明之交流發光裝置之另一實施例。於此實施例中，交流發光裝置100”包括一調變單元22用以增加交流電源20所提供之輸入電壓VS的半高寬，並增加交流電源20之電壓頻率，以便提升交流發光裝置之功率因數，同時降低使用者所感受到的閃爍程度。Figure 9 is another embodiment of the AC lighting device of the present invention. In this embodiment, the AC lighting device 100" includes a modulation unit 22 for increasing the full width at half maximum of the input voltage VS provided by the AC power source 20, and increasing the voltage frequency of the AC power source 20 to increase the power of the AC lighting device. Factor, while reducing the amount of flicker perceived by the user.
第2圖中之波形調變單元16(或第7圖中之頻率調變單元18以及第9圖中之調變單元22)與交流發光二極體模組10係可以設置於不同的晶片上，或是整合於一個晶片上，並且第2圖中之波形調變單元16(或第7圖中之頻率調變單元18以及第9圖中之調變單元22)可以外接於交流發光二極體模組10的封裝之外，或設置於交流發光二極體模組10二極體微晶粒12的封裝之內，但不限定於此。The waveform modulation unit 16 (or the frequency modulation unit 18 in FIG. 7 and the modulation unit 22 in FIG. 9) and the AC LED module 10 in FIG. 2 may be disposed on different wafers. Or integrated on a wafer, and the waveform modulation unit 16 in FIG. 2 (or the frequency modulation unit 18 in FIG. 7 and the modulation unit 22 in FIG. 9) may be externally connected to the alternating current dipole The package of the body module 10 is provided in the package of the diode micro-die 12 of the AC LED module 10, but is not limited thereto.
雖然本發明已以較佳實施例揭露如上，然其並非用以限定本發明，任何熟知技藝者，在不脫離本發明之精神和範圍內，當可作些許更動與潤飾，因此本發明之保護範圍當視後附之申請專利範圍所界定者為準。While the present invention has been described above in terms of the preferred embodiments thereof, it is not intended to limit the invention, and the invention may be modified and modified without departing from the spirit and scope of the invention. The scope is subject to the definition of the scope of the patent application attached.
10、10’、10”、10A、10B．．．交流發光二極體模組10, 10', 10", 10A, 10B... AC LED modules
12．．．二極體微晶粒12. . . Dipolar microcrystal
14．．．波形調變單元14. . . Waveform modulation unit
16、16”、16A、16B．．．微發光單元16, 16", 16A, 16B... micro-lighting unit
18．．．頻率調變單元18. . . Frequency modulation unit
20．．．交流電源20. . . AC power
22．．．調變單元twenty two. . . Modulation unit
100、100’、100”．．．交流發光裝置100, 100', 100"... AC lighting device
VS．．．輸入電壓VS. . . Input voltage
第1A圖係為二極體發光裝置中輸入電壓與電流的波形圖。Fig. 1A is a waveform diagram of input voltage and current in a diode light-emitting device.
第1B圖係為二極體發光裝置中電流與交流發光二極體模組之光輸出的波形圖。Fig. 1B is a waveform diagram of the light output of the current and the AC LED module in the diode light-emitting device.
第2圖係為本發明中交流發光裝置之一實施例。Fig. 2 is an embodiment of an alternating current illuminating device of the present invention.
第3A圖係為波形調變單元處理後交流電源所提供之輸入電壓與電流的波形圖。Figure 3A is a waveform diagram of the input voltage and current supplied by the AC power supply after the waveform modulation unit processes.
第3B圖係為波形調變單元處理後，通過交流發光二極體模組之電流與其光輸出的波形圖。Figure 3B is a waveform diagram of the current through the AC LED module and its light output after being processed by the waveform modulation unit.
第4A圖係為波形調變單元處理後交流電源所提供之輸入電壓與電流的另一波形圖。Figure 4A is another waveform diagram of the input voltage and current supplied by the AC power supply after the waveform modulation unit processes.
第4B圖係為波形調變單元處理後，通過交流發光二極體模組之光輸出的一波形圖。Figure 4B is a waveform diagram of the light output through the AC LED module after processing by the waveform modulation unit.
第5A圖係為波形調變單元處理後交流電源所提供之輸入電壓的另一波形圖。Figure 5A is another waveform diagram of the input voltage supplied by the AC power supply after the waveform modulation unit processes.
第5B圖係為波形調變單元處理後交流電源所提供之輸入電壓的另一波形圖。Figure 5B is another waveform diagram of the input voltage supplied by the AC power supply after the waveform modulation unit processes.
第6A圖係為交流發光二極體模組之另一實施例。Figure 6A is another embodiment of an alternating current light emitting diode module.
第6B圖係為交流發光二極體模組之另一實施例。Figure 6B is another embodiment of an alternating current light emitting diode module.
第6C圖係為交流發光二極體模組之另一實施例。Figure 6C is another embodiment of an alternating current light emitting diode module.
第6D圖係為交流發光二極體模組之另一實施例。Figure 6D is another embodiment of an AC LED module.
第7圖係為本發明中交流發光裝置之一實施例。Figure 7 is an embodiment of an alternating current illuminating device of the present invention.
第8圖係顯示交流發光裝置於不同電壓頻率下之亮度。Figure 8 shows the brightness of an AC illuminator at different voltage frequencies.
第9圖係為本發明中交流發光裝置之一實施例。Figure 9 is an embodiment of an alternating current illuminating device of the present invention.
10．．．交流發光二極體模組10. . . AC light-emitting diode module
12．．．二極體微晶粒12. . . Dipolar microcrystal
14．．．波形調變單元14. . . Waveform modulation unit
20．．．交流電源20. . . AC power
100．．．交流發光裝置100. . . AC illuminator
VS．．．輸入電壓VS. . . Input voltage
Claims (6)
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| TW096145896A TWI451804B (en) | 2007-12-03 | 2007-12-03 | Ac lighting device |
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| TW096145896A TWI451804B (en) | 2007-12-03 | 2007-12-03 | Ac lighting device |
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| TWI451804B true TWI451804B (en) | 2014-09-01 |
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|---|---|---|---|---|
| US20060202915A1 (en) * | 2005-03-08 | 2006-09-14 | Sharp Kabushiki Kaisha | Light emitting apparatus generating white light by mixing of light of a plurality of oscillation wavelengths |
| US20060250817A1 (en) * | 2002-01-31 | 2006-11-09 | Mitsubishi Rayon Co., Ltd. | Light deflection element and light source apparatus using the same |
| US20070102717A1 (en) * | 2005-11-07 | 2007-05-10 | Taiwan Oasis Technology Co., Ltd. | LED packaging |
| US20070273299A1 (en) * | 2004-02-25 | 2007-11-29 | Michael Miskin | AC light emitting diode and AC LED drive methods and apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060250817A1 (en) * | 2002-01-31 | 2006-11-09 | Mitsubishi Rayon Co., Ltd. | Light deflection element and light source apparatus using the same |
| US20070273299A1 (en) * | 2004-02-25 | 2007-11-29 | Michael Miskin | AC light emitting diode and AC LED drive methods and apparatus |
| US20060202915A1 (en) * | 2005-03-08 | 2006-09-14 | Sharp Kabushiki Kaisha | Light emitting apparatus generating white light by mixing of light of a plurality of oscillation wavelengths |
| US20070102717A1 (en) * | 2005-11-07 | 2007-05-10 | Taiwan Oasis Technology Co., Ltd. | LED packaging |
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