å±å¹å绿ï¼å¨æ¶²æ¶æ¾ç¤ºå¨ä¸å å«ä½Muraï¼ä¹å°±æ¯æ¾ç¤ºä¸ååï¼æ¯OLEDæ¾ç¤ºå±çéç ã
å¨OLEDå±å¹çå¶ä½è¿ç¨ä¸ï¼æ¯éè¿è¸éæ¥å°åå åææè¦çå¨æ¾ç¤ºé¢æ¿ä¸çï¼ä½æ¯ç®åçè¸éå·¥èºæ¬èº«å°±å¾é¾åå°å°æ¯ä¸ä¸ªç¬ç«å°ç¯æ³¡ååå¸ç½®å¨æ¾ç¤ºé¢æ¿ä¸ï¼è¿å°±å¯¼è´ä¸ååºåæè¦ççå°ç¯æ³¡æ°éä¼æå·®å¼ã
并ä¸ï¼æ¯ä¸ªå°ç¯æ³¡æ¬èº«ï¼æ¯ç±ä¸ä¸ªååç´ ææï¼è¿ä¸ä¸ªååç´ ççµåæ§å¶ä¹å¾é¾åå°å®å ¨ä¸è´ãå¾é¾æ§å¶OLEDä¸ä¸ªååç´ ççµåï¼ä¹å°±æ¯äº®åº¦ï¼å®å ¨ç¸åï¼å½å ¶ä¸ä¸ä¸ªååç´ åé«æ¶ï¼ä¾å¦ç»¿è²è¿é«ï¼é£ä¹å°±ä¼åºç°ç»¿å±çç°è±¡ï¼è¿å°±å¯¼è´äºä½äº®åº¦ç°å±çæ¶åï¼å±å¹åºç°Muraç°è±¡ã
容æåºç°Muraçåºåå¨OLEDå±å¹å¶é å·¥èºæ¹è¿ä¹åï¼Muraç°è±¡å°ä¼ä¸ç´ä¼´éçOLEDå±å¹ï¼åªè½éè¿ä¸äºå»Muraçææ¯æ¥è§é¿ï¼æè å°½å¯è½å°è®©ç¨æ·å°æç¥å°ã å¦æææºå¨ä½¿ç¨æ¶åºç°äºä¸¥éçMuraç°è±¡åªè½å°½å¿«èç³»å®åå»è§£å³é®é¢ã
解å³æ¹æ¡ï¼
1ãå»Muraææ¯
å ä¹ææçOLEDæ¾ç¤ºå¨ååï¼æ 论æ¯LGãè¿æ¯ä¸æï¼ç®åé½æ æ³ä»OLEDçå¶ä½å·¥èºä¸è§£å³Muraé®é¢ãäºæ¯ï¼å·¥ç¨å¸ä»¬ä¾¿å¼å§ç 究å»Muraçææ¯ã
æ¯å¦ç¨äºç»´æå仪ç»ç¹äº®çOLEDæ¾ç¤ºå¨æä¸å¼ ç
§çï¼æ ¹æ®å®é
æ¾ç¤ºæ
åµï¼æä¸å¼ åå¸å¾ï¼åååæè¿äºæ°æ®åé¦å°å±å¹ç驱å¨ï¼å°è¿äº®çå°æ¹è°æä¸ç¹ãè¿æ ·å°±å¯ä»¥å¨å¾å¤§ç¨åº¦ä¸ç¼è§£OLEDå±å¹é«äº®åº¦ä¸æ¾ç¤ºä¸ååçé®é¢ã
2ãPWMææ¯
å设å±å¹å¨1nitï¼äº®åº¦åä½ï¼ææºå±å¹å³°å¼äº®åº¦ä¸è¬å¨1000nitï¼çæ¶åï¼ä¸ä¼åºç°Muraç°è±¡ï¼ä½æ¯å¨0.1nitçæ¶åï¼ä¼åºç°Muraç°è±¡ãé£ä¹å¯ä»¥è®©å±å¹å·¥ä½å¨1nitç亮度ä¸ï¼ä½æ¯åªå·¥ä½10%çæ¶é´ã
è¿æ¶ï¼å 为ç¼ççè§è§æçï¼ç©ä½å¨å¿«éè¿å¨æ¶, å½äººç¼æçå°çå½±åæ¶å¤±åï¼äººç¼ä»è½ç»§ç»ä¿çå ¶å½±å0.1-0.4ç§å·¦å³ï¼ç°è±¡ï¼è¿10%ç1nitï¼å¨ç¼ççæ¥å°±æ¯0.1nitã
è¿ç§ææ¯è¢«ç§°ä¸ºPWMï¼Pulse width modulationï¼ï¼ä½è¿å¹¶ä¸æ¯ä¸ä¸ªå¾å¥½çææ¯ï¼å 为å®æ¬è´¨ä¸æ¯éè¿éªçæ¥å®ç°ä½äº®åº¦çï¼é¿æ使ç¨ï¼æäºäººçç¼çå°±ä¼åä¸äºã