US 6,094,014 請求項1 |
US 6,250,774 請求項1 (為經訂正後的版本) |
1. A circuit arrangement suitable for operating a semiconductor light source, said circuit arrangement comprising:
一種適合用於運作一半導體光源的電路配置,前述電路設配置包括 |
1. A luminaire comprising
一種照明設備,包括 |
input terminals for connecting a supply voltage;
用來連接一供應電壓的輸入終端 |
a housing with a light emission window,
一具備一光線釋放窗口的外殼 |
input filter means;
輸入濾波工具 |
at least one lighting module in said housing for illuminating an object outside said housing,
位在前述外殼中之至少一發光模組,用來照明在前述外殼外的物件 |
a converter comprising a control circuit; and
由一控制電路所構成之轉換器 |
output terminals for connecting the semiconductor light source, wherein said converter generates a current for application to said semiconductor light source, and said control circuit controls said converter to produce a predetermined value of said current at said output terminals, said predetermined value of said current corresponding to an output voltage which is less than a predetermined threshold voltage,
用來連接前述半導體光源之輸出終端,其中前述轉換器產生一用於前述半導體光源之電流,而前述控制電路控制前述轉換器在前述輸出終端上產生一前述電流的預設值,前述電流預設值對應到一低於預設門檻電壓的輸出電壓 |
the lighting module comprising a set of lighting unit, each of said lighting unit comprising at least one LED chip and an optical system configured to illuminate portions of the object during operation, each said LED chip supplying a luminous flux of at least 5 lm during operation.
前述發光模組包括一組發光元件,個別前述發光元件由至少一個LED晶片與一光學系統所構成,其被配置來在運作時為前述元件之部分提供照明,每個前述LED晶片在運作時供應至少5流明的光通量 |
characterized in that the circuit arrangement further comprises voltage detection means for detecting the output voltage at the output terminals, said voltage detection means generating a detection signal when the output voltage exceeds said predetermined threshold voltage.
前述電路配置之特徵進一步包括電壓偵測工具,其在前述輸出電壓超過前述預設門檻電壓時產生一偵測信號 |
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US 6,577,512 請求項1 |
US 6,586,890 請求項1 |
1. A system for supplying power for LEDs comprising:
一種用來為LEDs供應電力的系統,包括 |
1. A system for supplying power for an LED array, said system comprising:
一種用來為一LED陣列供應電力的系統,前述系統包括 |
means for sensing current to the LEDs, the current sensing means generating a sensed current signal;
用來感測傳到LEDs之電流的工具,該電流感測工具產生一受感測電流信號 |
an oscillator generating an oscillating signal, the oscillating signal having a first state and a second state; and
一產生振盪信號之振盪器,該振盪信號具備第一狀態與第二狀態 |
means for generating a reference current signal;
用來產生一參考電流信號的工具 |
a power supply operatively coupled to the oscillator, the power supply providing output power and being responsive to the oscillating signal;
一電源供應器,運作性耦接於前述振盪器,前述電源供應器提出輸出電力並對前述振盪信號做出回應 |
means for comparing the sensed current signal to the reference current signal, the comparing means generating a feedback signal;
用來將前述受感測電流信號與前述參考電流信號進行比較的工具,該比較工具產生一回饋信號 |
wherein said power supply supplies the output power to the LED array when the oscillating signal is in the first state and does not supply the output power to the LED array when the oscillating signal is in the second state.
其中前述電源供應器在振盪信號為第一狀態時供應輸出電力給前述LED陣列,而在振盪信號為第二狀態時不供應輸出電力給前述LED陣列 |
means for converting power responsive to the feedback signal, the power converting means supplying current to the LEDs; and
用來回應前述回饋信號轉換電力的工具,該電力轉換工具供應電流到前述LEDs |
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means for protecting the LEDs.
用來保護前述LEDs的工具 |
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US 7,802,902 請求項1 |
1. A lighting apparatus, comprising:
一種照明設備,包括 |
a lighting fixture; and
一照明固定器 |
a LED module mechanically enclosed by the lighting fixture, wherein the LED module includes:
一LED模組,其為前述照明固定器以機械形式封住,其中前述LED模組包括 |
at least one LED,
至少一個LED |
a LED driver in electrical communication with the at least one LED to operably provide a LED drive signal to the at least one LED, and
一LED驅動器,其與前述至少一個LED電連通,藉以可運作來提供一LED驅動信號給前述至少一個LED |
a thermal sensor operable to facilitate a control by the LED driver of a magnitude of the LED drive signal based on an operating temperature of the at least one LED as sensed by the thermal sensor.
一熱感測器,可運作來基於前述熱感測器所感測到之至少一個LED的運轉溫度,協助前述LED驅動器控制前述LED驅動信號強度 |
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