{"id":17639,"date":"2025-12-04T07:16:59","date_gmt":"2025-12-04T07:16:59","guid":{"rendered":"https:\/\/cob-leddisplay.com\/?p=17639"},"modified":"2025-12-04T09:59:30","modified_gmt":"2025-12-04T09:59:30","slug":"how-to-solve-the-problem-of-dead-pixels-in-led-displays","status":"publish","type":"post","link":"https:\/\/cob-leddisplay.com\/ko\/how-to-solve-the-problem-of-dead-pixels-in-led-displays\/","title":{"rendered":"LED \ub514\uc2a4\ud50c\ub808\uc774\uc758 \ubd88\ub7c9 \ud654\uc18c \ubb38\uc81c\ub97c \ud574\uacb0\ud558\ub294 \ubc29\ubc95"},"content":{"rendered":"<p>LED \ub514\uc2a4\ud50c\ub808\uc774 \ud654\uba74\uc758 &quot;\ubd88\ub7c9 \ud654\uc18c&quot;(\uc77c\ubc18\uc801\uc73c\ub85c LED \uce69\uc774 \ucf1c\uc9c0\uc9c0 \uc54a\uac70\ub098, \uacc4\uc18d \ucf1c\uc838 \uc788\uac70\ub098, \uc5b4\ub461\uac8c \ucf1c\uc9c0\uac70\ub098, \uc0c9\uc0c1\uc774 \ubcc0\ud558\ub294 \ub4f1\uc758 \ubb38\uc81c\ub97c \uc9c0\uce6d\ud568)\ub294 \ud754\ud788 \ubc1c\uc0dd\ud558\ub294 \ubb38\uc81c\uc785\ub2c8\ub2e4. \ub530\ub77c\uc11c \uc801\uc808\ud55c \uc870\uce58\ub97c \ucde8\ud558\uae30 \uc804\uc5d0 \uba3c\uc800 LED \ub514\uc2a4\ud50c\ub808\uc774 \ud654\uba74\uc744 \uc9c4\ub2e8\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<p>&nbsp;<\/p>\n<p>I. \ubb38\uc81c \uc720\ud615\uc744 \uc2e0\uc18d\ud558\uac8c \ud30c\uc545\ud558\uc2ed\uc2dc\uc624<\/p>\n<p>\uba3c\uc800, \uace0\uc7a5\ub09c \uc804\uad6c\uac00 \ud558\ub098\ubfd0\uc778\uc9c0 \uc544\ub2c8\uba74 \uc9c0\uc5ed\uc801\uc778 \ubb38\uc81c\uc778\uc9c0 \ud655\uc778\ud558\uc2ed\uc2dc\uc624.<\/p>\n<p>1) \ub2e8\uc77c \ub610\ub294 \uc0b0\ubc1c\uc801\uc73c\ub85c \uc190\uc0c1\ub41c \ub7a8\ud504: \uc77c\ubc18\uc801\uc73c\ub85c \ub7a8\ud504 \uc790\uccb4 \ub610\ub294 \ub0a9\ub55c \ubd88\ub7c9 \ubb38\uc81c\uc785\ub2c8\ub2e4.<\/p>\n<p>2) \uc804\uccb4 \ud589\/\uc5f4\uc5d0 \ubd88\uc774 \ub4e4\uc5b4\uc624\uc9c0 \uc54a\uc74c: \ub4dc\ub77c\uc774\ubc84 IC, \ubc30\uc120 \ub610\ub294 \uc81c\uc5b4 \uc2e0\ud638\uc5d0 \ubb38\uc81c\uac00 \uc788\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>3) \ud654\uba74\uc758 \ud2b9\uc815 \uc601\uc5ed\uc5d0\uc11c \uae5c\ube61\uc784\uc774\ub098 \uc65c\uace1\ub41c \uc774\ubbf8\uc9c0\uac00 \ub098\ud0c0\ub098\ub294 \uacbd\uc6b0: \ubaa8\ub4c8, \ub9ac\ubcf8 \ucf00\uc774\ube14 \ub610\ub294 \uc804\uc6d0 \uacf5\uae09 \uc7a5\uce58 \uace0\uc7a5\uacfc \uad00\ub828\uc774 \uc788\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>II. \uc77c\ubc18\uc801\uc778 \uc6d0\uc778 \ubc0f \ud574\uacb0\ucc45<\/p>\n<p><strong>1. LED \ub7a8\ud504 \ub2e8\uc77c \uc190\uc0c1<\/strong><\/p>\n<p>\uc99d\uc0c1: \ud53d\uc140\uc774 \ucf1c\uc9c0\uc9c0 \uc54a\uac70\ub098, \ucf1c\uc9c4 \uc0c1\ud0dc\ub85c \uc720\uc9c0\ub418\uac70\ub098(LED \ubd88\ub7c9), \uc0c9\uc0c1\uc774 \ube44\uc815\uc0c1\uc801\uc785\ub2c8\ub2e4(\ube68\uac15\/\ub179\uc0c9\/\ud30c\ub791\uc774 \ub204\ub77d\ub428).<\/p>\n<p>\uc6d0\uc778:<\/p>\n<p>\u2014LED \ub7a8\ud504\uc758 \uc218\uba85\uc774 \ub2e4\ud588\uac70\ub098 \ud488\uc9c8 \uacb0\ud568\uc774 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\u2014\ub0a9\ub55c \ubd88\ub7c9 \ub610\ub294 \ubb3c\ub9ac\uc801 \ucda9\uaca9\uc73c\ub85c \uc778\ud55c \uc190\uc0c1.<\/p>\n<p>\ud574\uacb0\ucc45:<\/p>\n<p>\u2014\u2014LED \ub7a8\ud504 \uad50\uccb4 (\uc804\ubb38 \ub3c4\uad6c \ud544\uc694):<\/p>\n<p>\uc190\uc0c1\ub41c \ub7a8\ud504\ub97c \uc81c\uac70\ud558\ub824\uba74 \uc5f4\ud48d\uae30\ub098 \ub0a9\ub55c \uc778\ub450\ub97c \uc0ac\uc6a9\ud558\uc2ed\uc2dc\uc624.<\/p>\n<p>\u2014\u2014\uac19\uc740 \ubaa8\ub378\uc758 \uc0c8 \ub7a8\ud504\ub97c \ub0a9\ub55c\ud558\uc138\uc694.<\/p>\n<p>\u2014\u2014\uc784\uc2dc \uc218\ub9ac: \ud654\uba74 \ud45c\uc2dc\uc5d0\ub294 \uc601\ud5a5\uc744 \ubbf8\uce58\uc9c0 \uc54a\ub294 \uacbd\uc6b0, \uac80\uc740\uc0c9 \uc811\ucc29 \uc2a4\ud2f0\ucee4\ub85c \ub36e\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4 (\ubbf8\uad00\uc0c1\uc758 \ubaa9\uc801\uc5d0 \ud55c\ud568).<\/p>\n<p>\u2014\uc608\ubc29 \uc870\uce58: \uace0\ud488\uc9c8 \ube0c\ub79c\ub4dc LED \ubaa8\ub4c8\uc744 \uc120\ud0dd\ud558\uace0 \uacfc\uc804\ub958 \uc0ac\uc6a9\uc744 \ud53c\ud558\uc2ed\uc2dc\uc624.<\/p>\n<p><strong>2. \ub4dc\ub77c\uc774\ubc84 \ud68c\ub85c \ubb38\uc81c<\/strong><\/p>\n<p>\uc99d\uc0c1: \ud574\ub2f9 \ud589\/\uc5f4 \uc804\uccb4\uc5d0 \ubd88\uc774 \ub4e4\uc5b4\uc624\uc9c0 \uc54a\uac70\ub098 \ube44\uc815\uc0c1\uc801\uc73c\ub85c \ud45c\uc2dc\ub429\ub2c8\ub2e4.<\/p>\n<p>\uc6d0\uc778:<\/p>\n<p>\u2014\ub4dc\ub77c\uc774\ubc84 IC\uac00 \uc190\uc0c1\ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\u2014PCB \ud68c\ub85c \ud328\ud134\uc758 \ub2e8\uc120 \ub610\ub294 \ub2e8\ub77d.<\/p>\n<p>\ud574\uacb0\ucc45:<\/p>\n<p>\u2014\u2014\uba40\ud2f0\ubbf8\ud130\ub97c \uc0ac\uc6a9\ud558\uc5ec \ub4dc\ub77c\uc774\ubc84 IC\uc758 \ucd9c\ub825 \uc804\uc555\uc774 \uc815\uc0c1\uc778\uc9c0 \ud655\uc778\ud558\uc2ed\uc2dc\uc624.<\/p>\n<p>\uc190\uc0c1\ub41c \ub4dc\ub77c\uc774\ubc84 IC\ub97c \uad50\uccb4\ud558\uc2ed\uc2dc\uc624(SMT \ub0a9\ub55c \ud544\uc694).<\/p>\n<p>\u2014\u2014PCB \ud68c\ub85c\ub97c \uac80\uc0ac\ud558\uace0, \ub2e8\uc120\ub41c \ud68c\ub85c\ub97c \uc218\ub9ac\ud558\uac70\ub098 \ub2e8\ub77d\ub41c \ud68c\ub85c\ub97c \uc81c\uac70\ud558\uc2ed\uc2dc\uc624.<\/p>\n<p><strong>3. \ubaa8\ub4c8\/\uc7a5\uce58 \uace0\uc7a5<\/strong><\/p>\n<p>\uc99d\uc0c1: \ud2b9\uc815 \uc601\uc5ed(\uc608: 8\u00d78, 16\u00d716 \uc601\uc5ed)\uc5d0\uc11c \ube44\uc815\uc0c1\uc801\uc778 \ud45c\uc2dc\uac00 \ub098\ud0c0\ub0a9\ub2c8\ub2e4.<\/p>\n<p>\uc6d0\uc778:<\/p>\n<p>\u2014\ubaa8\ub4c8\uc758 \ub0b4\ubd80 \ud68c\ub85c\uac00 \uc190\uc0c1\ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\u2014\ub9ac\ubcf8 \ucf00\uc774\ube14\uc758 \uc811\ucd09 \ubd88\ub7c9 \ub610\ub294 \ubd80\uc2dd.<\/p>\n<p>\ud574\uacb0\ucc45:<\/p>\n<p>\ub9ac\ubcf8 \ucf00\uc774\ube14\uc744 \ubf51\uc558\ub2e4\uac00 \ub2e4\uc2dc \uaf42\uc544\ubcf4\uace0 \ucf00\uc774\ube14 \ucee4\ub125\ud130\ub97c \uccad\uc18c\ud574 \ubcf4\uc138\uc694.<\/p>\n<p>\u2014\u2014\uace0\uc7a5\ub09c \ubaa8\ub4c8\uc744 \uad50\uccb4\ud558\uc2ed\uc2dc\uc624(\ubaa8\ub4c8 \uc804\uccb4\ub97c \uad50\uccb4\ud558\ub294 \uac83\uc774 \ub354 \ube60\ub985\ub2c8\ub2e4).<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-17647\" src=\"http:\/\/cob-leddisplay.com\/wp-content\/uploads\/2025\/12\/Case-Images.jpg\" alt=\"\" width=\"670\" height=\"500\" srcset=\"https:\/\/cob-leddisplay.com\/wp-content\/uploads\/2025\/12\/Case-Images.jpg 670w, https:\/\/cob-leddisplay.com\/wp-content\/uploads\/2025\/12\/Case-Images-16x12.jpg 16w\" sizes=\"auto, (max-width: 670px) 100vw, 670px\" \/><\/p>\n<p><strong>4. \uc804\uc6d0 \uacf5\uae09 \ubb38\uc81c<\/strong><\/p>\n<p>\uc99d\uc0c1: \ud654\uba74\uc758 \ub113\uc740 \ubd80\ubd84\uc774 \uac80\uac8c \ubcc0\ud558\uac70\ub098 \ud654\uba74\uc774 \uae5c\ube61\uac70\ub9bd\ub2c8\ub2e4.<\/p>\n<p>\uc6d0\uc778: \ubd88\uc548\uc815\ud55c \uc804\uc6d0 \uc804\uc555 \ub610\ub294 \uacfc\ubd80\ud558.<\/p>\n<p>\ud574\uacb0\ucc45:<\/p>\n<p>\u2014\u2014\uc804\uc6d0 \uacf5\uae09 \uc7a5\uce58\uc758 \ucd9c\ub825 \uc804\uc555(\uc77c\ubc18\uc801\uc73c\ub85c 5V \ub610\ub294 3.8V)\uc774 \uc548\uc815\uc801\uc778\uc9c0 \ud655\uc778\ud558\uc2ed\uc2dc\uc624.<\/p>\n<p>\u2014\u2014\uc804\ub825\uc774 \ubd80\uc871\ud558\uac70\ub098 \ub178\ud6c4\ub41c \uc804\uc6d0 \uacf5\uae09 \uc7a5\uce58\ub97c \uad50\uccb4\ud558\uc2ed\uc2dc\uc624.<\/p>\n<p><strong>5. \uc81c\uc5b4 \uc2dc\uc2a4\ud15c \uc624\ub958<\/strong><\/p>\n<p>\uc99d\uc0c1: \uc804\uccb4 \ud654\uba74 \ub610\ub294 \ubd84\ud560 \ud654\uba74 \ud45c\uc2dc \uc624\ub958.<\/p>\n<p>\uc6d0\uc778: \uc1a1\uc2e0 \uce74\ub4dc, \uc218\uc2e0 \uce74\ub4dc \ub610\ub294 \uc2e0\ud638 \uc804\uc1a1\uc5d0 \ubb38\uc81c\uac00 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\ud574\uacb0\ucc45:<\/p>\n<p>\uc1a1\uc2e0 \uce74\ub4dc\uc640 \uc218\uc2e0 \uce74\ub4dc \uac04\uc758 \ub124\ud2b8\uc6cc\ud06c \ucf00\uc774\ube14\/\uad11\uc12c\uc720 \uc5f0\uacb0 \uc0c1\ud0dc\ub97c \ud655\uc778\ud558\uc2ed\uc2dc\uc624.<\/p>\n<p>\u2014\uc218\uc2e0\/\uc1a1\uc2e0 \uce74\ub4dc\ub97c \uc7ac\uc2dc\uc791\ud558\uac70\ub098 \uad50\uccb4\ud558\uc2ed\uc2dc\uc624.<\/p>\n<p>\u2014\u2014\uc81c\uc5b4 \uc2dc\uc2a4\ud15c \ub9e4\uac1c\ubcc0\uc218\ub97c \uc7ac\uad6c\uc131\ud569\ub2c8\ub2e4.<\/p>\n<p><strong>6. \ud658\uacbd\uc801 \uc694\uc778<\/strong><\/p>\n<p>\uc99d\uc0c1: \uc2b5\ud558\uac70\ub098 \uace0\uc628 \ud658\uacbd\uc5d0\uc11c \uc7a6\uc740 \uace0\uc7a5 \ubc1c\uc0dd.<\/p>\n<p>\uc6d0\uc778:<\/p>\n<p>\u2014\ubc29\uc218 \ucc98\ub9ac\uac00 \ubd88\ub7c9\ud558\uc5ec \ud68c\ub85c \ubd80\uc2dd\uc774 \ubc1c\uc0dd\ud569\ub2c8\ub2e4.<\/p>\n<p>\u2014\ubd88\ucda9\ubd84\ud55c \uc5f4 \ubc29\ucd9c\ub85c \uc778\ud574 LED\uac00 \uacfc\uc5f4\ub418\uc5b4 \uc190\uc0c1\ub429\ub2c8\ub2e4.<\/p>\n<p>\ud574\uacb0\ucc45:<\/p>\n<p>\u2014\u2014\uc5f4 \ubc29\ucd9c\uc744 \uac1c\uc120\ud558\uc2ed\uc2dc\uc624(\uc608: \ud32c \ub610\ub294 \ubc29\uc5f4\ud310 \ucd94\uac00).<\/p>\n<p>\u2014\u2014\ubb3c\uc774 \uc2a4\uba70\ub4e4\uc9c0 \uc54a\ub3c4\ub85d \ucf00\uc774\uc2a4\ub97c \ubc00\ubd09\ud558\uc2ed\uc2dc\uc624.<\/p>\n<p>III. \uc6b0\ub9ac\uac00 \ucde8\ud574\uc57c \ud560 \ub300\uc751\ucc45:<\/p>\n<p>(1) \uace0\ud488\uc9c8 \ub7a8\ud504 \uc120\ud0dd: \uc77c\ubc18 \ube0c\ub79c\ub4dc\ubcf4\ub2e4 \uace0\uc7a5\ub960\uc774 \ud6e8\uc52c \ub0ae\uc740 \uc720\uba85 \ube0c\ub79c\ub4dc(\uc608: Cree, Nationstar, Kinglight \ub4f1)\uc758 LED \ub7a8\ud504\ub97c \uba85\uc2dc\uc801\uc73c\ub85c \uc694\uccad\ud558\uc2ed\uc2dc\uc624.<\/p>\n<p>(2) \uc2e0\ub8b0\ud560 \uc218 \uc788\ub294 \uacf5\uae09\uc5c5\uccb4\ub97c \uc120\ud0dd\ud558\uc2ed\uc2dc\uc624. \uc81c\uc870\uc5c5\uccb4\uc758 \uc0dd\uc0b0 \uacf5\uc815 \ubc0f \ub178\ud654 \ud14c\uc2a4\ud2b8 \uc808\ucc28\ub97c \uc870\uc0ac\ud558\uc2ed\uc2dc\uc624. \uc6b0\uc218\ud55c \uc81c\uc870\uc5c5\uccb4\ub294 \uc870\uae30 \uace0\uc7a5 \uc81c\ud488\uc744 \uc81c\uac70\ud558\uae30 \uc704\ud574 \ucd9c\ud558 \uc804\uc5d0 72\uc2dc\uac04 \uc774\uc0c1 \uace0\uc628, \uace0\ud718\ub3c4 \ub178\ud654 \ud14c\uc2a4\ud2b8\ub97c \uc2e4\uc2dc\ud569\ub2c8\ub2e4.<\/p>\n<p>(3) \uc6b4\uc601 \ud658\uacbd \uac1c\uc120:<\/p>\n<ul>\n<li>\uc5f4 \ubc29\ucd9c\uc744 \uac1c\uc120\ud558\uc2ed\uc2dc\uc624: \ub514\uc2a4\ud50c\ub808\uc774 \ud654\uba74 \ub4b7\uba74\uc5d0 \ucda9\ubd84\ud55c \ud1b5\ud48d\uc774 \uc774\ub8e8\uc5b4\uc9c0\ub3c4\ub85d \ud558\uace0, \ud544\uc694\ud55c \uacbd\uc6b0 \uac15\uc81c \ub0c9\uac01 \ud32c\uc744 \ucd94\uac00\ud558\uc2ed\uc2dc\uc624. \uace0\uc628\uc740 LED\uc640 IC\uc758 \uc8fc\uc694 \uc0ac\ub9dd \uc6d0\uc778\uc785\ub2c8\ub2e4.<\/li>\n<\/ul>\n<ul>\n<li>\uc2b5\uae30 \ubc0f \ubc29\uc218: \uc2e4\uc678\uc6a9 \uc2a4\ud06c\ub9b0\uc740 \ubc00\ud3d0\uc131\uc744 \ud655\ubcf4\ud574\uc57c \ud558\uba70, \ubc29\uc218 \uc530\uc744 \uc815\uae30\uc801\uc73c\ub85c \uc810\uac80\ud574\uc57c \ud569\ub2c8\ub2e4. \uc2e4\ub0b4\uc6a9 \uc2a4\ud06c\ub9b0\uc740 \uc5d0\uc5b4\ucee8 \ud1b5\ud48d\uad6c\uc5d0\uc11c \uc9c1\uc811 \ubc14\ub78c\uc774 \ubd88\uc5b4\uc624\ub294 \uacf3\uc774\ub098 \uc2b5\uae30\uac00 \ub9ce\uc740 \uacf3\uc5d0 \uc124\uce58\ud558\uc9c0 \uc54a\uc544\uc57c \ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p>(4) \uacfc\ud559\uc801\uc778 \uc720\uc9c0 \uad00\ub9ac \uc2dc\uc2a4\ud15c\uc744 \uad6c\ucd95\ud569\ub2c8\ub2e4.<\/p>\n<ul>\n<li>\uc815\uae30 \uc810\uac80: \uc678\uad00 \ubc0f \ud654\uba74 \ud45c\uc2dc \ud6a8\uacfc\ub97c \ub9e4\uc6d4 \uc810\uac80\ud558\uace0 \ubd88\ub7c9 \ud654\uc18c \ubc1c\uc0dd \ucd94\uc774\ub97c \uae30\ub85d\ud569\ub2c8\ub2e4.<\/li>\n<li>\uacc4\ud68d\uc801\uc778 \uad50\uccb4: 3\ub144 \uc774\uc0c1 \ub41c \ud654\uba74\uc758 \uacbd\uc6b0, \uc544\uc9c1 \uace0\uc7a5\uc774 \ub098\uc9c0 \uc54a\uc558\ub354\ub77c\ub3c4 \ud5a5\ud6c4 \ubb38\uc81c\ub97c \uc608\ubc29\ud558\uae30 \uc704\ud574 \ucd08\uae30 \ubaa8\ub4c8\uc774\ub098 \uc804\uc6d0 \uacf5\uae09 \uc7a5\uce58\ub97c \uc77c\uad04\uc801\uc73c\ub85c \uad50\uccb4\ud558\ub294 \uac83\uc744 \uacc4\ud68d\ud558\uc2ed\uc2dc\uc624.<\/li>\n<li>\uccad\uc18c \ubc0f \uc720\uc9c0 \uad00\ub9ac: \ud654\uba74 \ud45c\uba74\uc744 \ubd80\ub4dc\ub7ec\uc6b4 \ube0c\ub7ec\uc2dc\uc640 \uba3c\uc9c0\uac00 \uc801\uc740 \ucc9c\uc73c\ub85c \uc815\uae30\uc801\uc73c\ub85c \ub2e6\uc544 \uba3c\uc9c0 \ucd95\uc801\uc73c\ub85c \uc778\ud55c \uc5f4 \ubc29\ucd9c \uc800\ud558 \ubc0f \ub2e8\ub77d\uc744 \ubc29\uc9c0\ud558\uc2ed\uc2dc\uc624.<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>LED display screen \u201cdead pixels\u201d (typically referring to issues such as non-illuminating, constantly lit, dimly lit, or color-shifted LED chips) are common problems. Therefore, we should first diagnose the LED display screen before taking appropriate measures. &nbsp; I. Quickly Determine the Problem Type First, determine whether it&#8217;s a single damaged lamp or a regional issue: [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center 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