濡備綍鐪嬫噦LED 鍏夋簮鍏夌數(shù)鍙傛暟綆�浠?/span>
1.LED鍏夋簮鐨勭數(shù)瀛﹀弬鏁?/span>
姝ｅ悜鐢?shù)鍘?VF: LED 鍦ㄥ姞杞芥鍚戠數(shù)嫻?0mA銆?0mA銆?50mA鎴?50mA鍙?qiáng)鏇村ぇ鐢?shù)嫻佹椂鐨勬鍚戠數(shù)鍘嬨�?/span>
3姝ｅ悜鐢墊祦IF錛氬浜庡皬鍔熺巼 LED 姝ｅ悜宸ヤ綔鐢墊祦涓�鑸負(fù)20mA錛屽ぇ鍔熺巼鑺墖瑕佷緷鎹姱鐗囩殑瑙勬牸錛堝ぇ灝忥級鏉ョ‘瀹氭鍚戝伐浣滅數(shù)嫻侊紝
涓�鑸負(fù)350mA銆?/span>
銆愯鏄庛�戝湪鍚屼竴鎵逛駭鍝佷腑錛屽�肩浉鍚岋紝鑰孷2鍊煎垯鍙兘浼?xì)鏈夊亸宸�?/span>
2鍙嶅悜婕忕數(shù)嫻?IR 錛氭槸鎸?LED 鍦ㄥ姞涓婂弽鍚戝亸緗數(shù)鍘?V鏃剁數(shù)嫻佺殑澶у皬銆?/span>
銆愯鏄庛�戝弽鍚戞紡鐢墊祦涓庢俯搴︽湁鐫�瀵嗗垏鐨勫叧緋伙紝澶х害娓╁害姣忓崌楂?0鈩冿紝鍙嶅悜婕忕數(shù)嫻佸澶т竴鍊嶃�備簩鍏冦�佷笁鍏冦�佸洓鍏冩櫠鐗囩殑
LED 鍙嶅悜婕忕數(shù)嫻?IR 鈮?0渭 A , GaN 綾繪櫠鐗囩殑 LED 鍙嶅悜婕忕數(shù)嫻?IR 鈮?0渭 A 銆?/span>
鑰楁暎鍔熺巼 PD 錛氬嵆姝ｅ悜鐢墊祦涔樹互姝ｅ悜鐢?shù)鍘嬨�?/span>
2.LED鍏夋簮鐨勬瀬闄愬弬鏁?/span>
1).鏈�澶у厑璁歌�楁暎鍔熺巼 Pmax : Pmax = IFH x VFH 錛屼竴鑸寜鐜娓╁害涓?5鈩冩椂鐨勯瀹氬姛鐜囥�傚綋鐜娓╁害鍗囬珮鏃訛紝 PMAX 浼?xì)涓嬮檷銆?/span>
2).鏈�澶у厑璁稿伐浣滅數(shù)嫻?FM錛氱敱鏈�澶у厑璁歌�楁暎鍔熺巼鏉ョ‘瀹氥�傛渶濂藉湪浣跨敤鏃朵笉瑕佺敤鍒版渶澶у伐浣滅數(shù)嫻侊紝瑕佹牴鎹暎鐑潯浠舵潵紜錛?/span>
涓哄畨鍏ㄨ搗瑙侊紝瀹為檯鐢墊祦IF<0.6IFM銆備笌浜害鎴愭瘮渚嬪叧緋匯�?/span>
3).鏈�澶у厑璁告鍚戣剦鍐茬數(shù)嫻?IFP 錛氫竴鑸敱鍗犵┖姣斾笌鑴夊啿閲嶅棰戠巼鏉ョ‘瀹氥�?LED 宸ヤ綔浜庤剦鍐茬姸鎬佹椂錛屽彲閫氳繃璋冭妭鑴夊鏉ュ疄
鐜頒寒搴﹁皟鑺傘�?/span>
4).鍙嶅悜鍑葷┛鐢?shù)鍘?VR 錛氫竴鑸姹傚弽鍚戠數(shù)嫻佷負(fù)鎸囧畾鍊肩殑鎯呭喌涓嬪彲嫻嬭瘯鍙嶅悜鐢?shù)鍘?VR 錛屽弽鍚戠數(shù)嫻佷竴鑸湪5~100渭 A 涔嬮棿銆傚弽鍚?/span>
鍑葷┛鐢?shù)鍘嬮�氬父涓嶈兘瓚呰繃20V錛屽湪璁捐鐢?shù)璧\鏃訛紝涓�瀹氳紜畾鍔犲埌 LED 鐨勫弽鍚戠數(shù)鍘嬩笉瑕佽秴榪?0V銆?/span>
銆愯鏄庛�戜竴鑸姹備負(fù) VR <0.6VRM.
3.LED鐨勫厜瀛﹀弬鏁?/span>
LED 鐨勫厜瀛﹀弬鏁頒富瑕佹秹鍙?qiáng)鍏夎氨銆佸厜搴﹀拰鑹插害絳夋柟闈㈢殑鎬ц兘瑕佹眰銆傛牴鎹涓氭爣鍑?quot;鍗婂浣撳彂鍏変簩鏋佺嫻嬭瘯鏂規(guī)硶"錛屼富瑕佹湁
鍙戝厜宄板�兼嘗闀褲�佸厜璋辮緪灝勫甫瀹姐�佽醬鍚戝彂鍏夊己搴︺�佸厜鏉熷崐寮哄害瑙掋�佸厜閫氶噺銆佽緪灝勯�氶噺銆佸彂鍏夋晥鐜囥�佽壊鍝佸潗鏍囥�佺浉鍏寵壊娓┿�?/span>
鑹茬函搴﹀拰涓繪嘗闀褲�佹樉鑹叉寚鏁扮瓑鍙傛暟銆傜浉鍏寵壊娓╁拰鏄捐壊鎸囨暟鏄収鏄庣敤鐨勭櫧鍏?LED 鐨勪富瑕佸弬鏁頒箣涓�銆?/span>
4. 鍏夎緪灝勫己搴﹀弬鏁?/span>
鍏夎緪灝勫己搴﹀弬鏁版湁鍏夐�氶噺(桅)銆佸彂鍏夊己搴?/span>(I)銆佷寒搴?/span> (L) 銆?/span> 鐓?/span> 搴?/span> (E) 銆?/span> 鍗?/span> 寮?/span> 瑙?/span> 搴?/span> 絳?/span> 銆?/span>
銆愯鏄?/span>銆?/span>胃鈧?/span> 1/2鏄寚鍙戝厜寮哄害鍊間負(fù)杞村悜寮哄害鍊間竴鍗婄殑鏂瑰悜涓庡彂鍏夎醬鍚?/span>(娉曞悜)鐨?/span>澶硅銆?/span> 鍗婂�艱鐨?/span>2鍊嶄負(fù)瑙嗚(鎴栫О鍗婂姛鐜囪)銆?/span> |
5. 鐑鍙傛暟
LED鍙戝厜鏁堢巼鍜屽姛鐜囩殑鎻愰珮鏄洰鍓?/span>LED浜т笟鍙戝睍鐨勫叧閿棶棰樹箣涓�錛岀敱姝ゅ彲鐭?/span>LED 鐨?/span>PN 緇撴俯搴﹀強(qiáng)澹充綋鏁ｇ儹闂鏄懼緱灝や負(fù)閲嶈錛屼竴鑸敤鐑樆銆佸３浣撴俯搴︺�佺粨娓╃瓑鍙傛暟琛ㄧず銆?/span>
1)LED 緇撴俯 LED鐨勫熀鏈粨鏋勫氨鏄?/span>PN 緇撱�傚綋鐢墊祦嫻佽繃LED鍏?/span> 浠?/span> 鏃?/span> 錛?/span>PN 緇?/span>鐨?/span>娓?/span>搴?/span>灝?/span> 涓婂崌錛屽疄闄呭氨鏄妸PN 緇撳尯鐨勬俯搴﹀畾涔変負(fù)LED 緇?/span> 娓?/span> 錛?/span>LED 鐨勫厜瀛﹀弬鏁頒笌PN 緇?/span> 緇?/span> 娓?/span> 鏈?/span> 寰?/span> 澶?/span> 鐨?/span> 鍏?/span> 緋?/span> 銆?/span>
鐩墠闄嶄綆LED緇撴俯鐨勪富瑕侀�斿緞鏈夊噺灝?/span>LED鏈韓鐨勭儹闃匯�侀噰鐢ㄨ壇濂界殑浜屾鏁ｇ儹鏈烘瀯銆佸噺 灝?/span>LED涓庝簩嬈℃暎鐑満鏋勫畨瑁呯晫闈㈢殑鎺ヨЕ鐑樆銆佹帶鍒墮瀹氳緭鍏ョ數(shù)嫻佺殑澶у皬銆?/span>
2)LED 鐑樆 鍦?/span>LED鐐逛寒涔嬪悗鐑噺浼犲紼沖畾鏃訛紝LED 鑺墖琛ㄩ潰姣?/span>1W 鑰?/span>鏁ｏ紝PN 緇?/span> 鐨?/span> 娓╁害涓庤繛綰跨殑鏀灦鎴栨暎鐑熀鏉夸箣闂寸殑娓╁害宸氨鏄?/span>LED 鐨勭儹闃?/span>R 銆?/span> 鐑樆鍊間竴鑸父鐢?/span>胃鎴?/span>R 琛?/span> 紺猴紝鍗曚綅涓?/span>鈩?W 銆?/span>LED鍏稿瀷鐑樆鏁板�煎琛?/span>鎵�紺恒�?/span>
琛?nbsp;LED 鍏稿瀷鐑樆鏁板�?/span>
L E D 綾?/span> 鍨?/span> | CHIP LED | TOP LED | 蠁3mm LED | 蠁5mm LED | Snap LED | Power LED |
RthJ.A(鈩?W) | 550锝?/span>700 | 450锝?/span>600 | 350锝?/span>550 | 300锝?/span>500 | 50锝?/span>100 | 10锝?/span>20 |
銆愯鏄庛�戝綋鐑噺嫻佽繃涓や釜鐩告帴瑙︾殑鍥轟綋鐨勪氦鐣岄潰鏃訛紝鐣岄潰鏈韓瀵圭儹嫻佸憟鐜板嚭鏄庢樉鐨勭儹 闃伙紝縐頒負(fù)鎺ヨЕ鐑樆銆?/span> |