{"id":56258,"date":"2026-08-28T10:40:11","date_gmt":"2026-08-28T10:40:11","guid":{"rendered":"https:\/\/staging.pageloot.com\/uncategorized\/qr-codes-on-conference-badges\/"},"modified":"2026-08-29T14:32:05","modified_gmt":"2026-08-29T14:32:05","slug":"qr-codes-on-conference-badges","status":"publish","type":"post","link":"https:\/\/pageloot.com\/vi\/qr-codes-on\/qr-codes-on-conference-badges\/","title":{"rendered":"C\u00e1ch thi\u1ebft k\u1ebf v\u00e0 in m\u00e3 QR tr\u00ean th\u1ebb h\u1ed9i ngh\u1ecb"},"content":{"rendered":"<p class=\"wp-block-paragraph\">M\u00e3 QR tr\u00ean th\u1ebb \u0111\u1ea1i bi\u1ec3u kh\u00f4ng \u0111\u1ecdc \u0111\u01b0\u1ee3c c\u00f3 \u0111ang l\u00e0m ch\u1eadm h\u00e0ng \u0111\u1ee3i check-in s\u1ef1 ki\u1ec7n c\u1ee7a b\u1ea1n v\u00e0 g\u00e2y kh\u00f3 ch\u1ecbu cho c\u00e1c nh\u00e0 tri\u1ec3n l\u00e3m kh\u00f4ng? M\u00e3 kh\u00f4ng th\u1ec3 qu\u00e9t \u0111\u01b0\u1ee3c t\u1ea1o ra t\u1eafc ngh\u1ebdn \u0111\u0103ng k\u00fd, g\u00e2y m\u1ea5t d\u1eef li\u1ec7u kh\u00e1ch h\u00e0ng ti\u1ec1m n\u0103ng v\u00e0 l\u00e0m h\u1ecfng tr\u1ea3i nghi\u1ec7m c\u1ee7a ng\u01b0\u1eddi tham d\u1ef1. H\u01b0\u1edbng d\u1eabn n\u00e0y gi\u1ea3i th\u00edch c\u00e1ch thi\u1ebft k\u1ebf, in v\u00e0 tri\u1ec3n khai m\u00e3 QR c\u00f3 th\u1ec3 qu\u00e9t \u0111\u01b0\u1ee3c tr\u00ean th\u1ebb h\u1ed9i ngh\u1ecb \u0111\u1ec3 ki\u1ec3m so\u00e1t truy c\u1eadp nhanh ch\u00f3ng, thu th\u1eadp kh\u00e1ch h\u00e0ng ti\u1ec1m n\u0103ng v\u00e0 k\u1ebft n\u1ed1i m\u1ea1ng.<\/p>\n\n\n\n<h2 id=\"h-key-use-cases-for-badge-qr-codes\" class=\"wp-block-heading\">C\u00e1c Tr\u01b0\u1eddng h\u1ee3p S\u1eed d\u1ee5ng Ch\u00ednh c\u1ee7a M\u00e3 QR tr\u00ean Th\u1ebb \u0110\u1ea1i bi\u1ec3u<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Th\u1ebb h\u1ed9i ngh\u1ecb ph\u1ee5c v\u1ee5 nhi\u1ec1u m\u1ee5c \u0111\u00edch v\u1eadn h\u00e0nh trong su\u1ed1t s\u1ef1 ki\u1ec7n. Th\u00eam m\u00e3 QR c\u00f3 th\u1ec3 qu\u00e9t \u0111\u01b0\u1ee3c bi\u1ebfn m\u1ed9t th\u1ebb t\u00ean t\u0129nh th\u00e0nh m\u1ed9t ch\u00eca kh\u00f3a k\u1ef9 thu\u1eadt s\u1ed1 cho ng\u01b0\u1eddi tham d\u1ef1, nh\u00e2n vi\u00ean v\u00e0 nh\u00e0 t\u00e0i tr\u1ee3.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Ki\u1ec3m so\u00e1t Ra v\u00e0o \u0110\u1ecba \u0111i\u1ec3m v\u00e0 Check-in S\u1ef1 ki\u1ec7n<\/strong>: Qu\u00e9t th\u1ebb c\u1ee7a ng\u01b0\u1eddi tham d\u1ef1 t\u1ea1i b\u00e0n \u0111\u0103ng k\u00fd ho\u1eb7c c\u1eeda ph\u00f2ng h\u1ed9i th\u1ea3o ngay l\u1eadp t\u1ee9c x\u00e1c minh tr\u1ea1ng th\u00e1i v\u00e9. Vi\u1ec7c tri\u1ec3n khai m\u1ed9t <a href=\"https:\/\/pageloot.com\/vi\/attendance-qr-code\/\">12. ghi l\u1ea1i l\u01b0\u1ee3t \u0111\u1ebfn theo th\u1eddi gian th\u1ef1c, cho ph\u00e9p b\u1ea1n \u0111\u1ed1i chi\u1ebfu nh\u1eefng ng\u01b0\u1eddi \u0111\u00e3 check-in v\u1edbi nh\u1eefng ng\u01b0\u1eddi \u0111\u00e3 qu\u00e9t tr\u1ea3i nghi\u1ec7m AR c\u1ee7a b\u1ea1n v\u00e0 ho\u00e0n th\u00e0nh m\u1ed9t h\u00e0nh \u0111\u1ed9ng sau khi qu\u00e9t. \u0110i\u1ec1u n\u00e0y \u0111\u1eb7c bi\u1ec7t h\u1eefu \u00edch \u0111\u1ec3 t\u00ednh to\u00e1n t\u1ef7 l\u1ec7 chuy\u1ec3n \u0111\u1ed5i th\u1ef1c s\u1ef1 thay v\u00ec ch\u1ec9 t\u1ef7 l\u1ec7 qu\u00e9t-\u0111\u1ebfn-trang-\u0111\u00edch.<\/a> quy tr\u00ecnh l\u00e0m vi\u1ec7c gi\u00fap t\u0103ng t\u1ed1c \u0111\u1ed9 v\u00e0o c\u1ed5ng v\u00e0 cung c\u1ea5p cho ban t\u1ed5 ch\u1ee9c kh\u1ea3 n\u0103ng theo d\u00f5i s\u1ee9c ch\u1ee9a ph\u00f2ng theo th\u1eddi gian th\u1ef1c.<\/li>\n\n\n\n<li><strong>Thu th\u1eadp Kh\u00e1ch h\u00e0ng Ti\u1ec1m n\u0103ng cho Nh\u00e0 tri\u1ec3n l\u00e3m<\/strong>: Nh\u00e2n vi\u00ean gian h\u00e0ng qu\u00e9t th\u1ebb c\u1ee7a ng\u01b0\u1eddi tham d\u1ef1 \u0111\u1ec3 thu th\u1eadp th\u00f4ng tin li\u00ean h\u1ec7 m\u00e0 kh\u00f4ng c\u1ea7n trao \u0111\u1ed5i danh thi\u1ebfp v\u1eadt l\u00fd. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p c\u00e1c nh\u00e0 t\u00e0i tr\u1ee3 ghi l\u1ea1i c\u00e1c kh\u00e1ch h\u00e0ng ti\u1ec1m n\u0103ng \u0111\u1ee7 \u0111i\u1ec1u ki\u1ec7n tr\u1ef1c ti\u1ebfp v\u00e0o h\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd quan h\u1ec7 kh\u00e1ch h\u00e0ng c\u1ee7a h\u1ecd trong c\u00e1c bu\u1ed5i tri\u1ec3n l\u00e3m th\u01b0\u01a1ng m\u1ea1i.<\/li>\n\n\n\n<li><strong>K\u1ebft n\u1ed1i M\u1ea1ng ngang h\u00e0ng<\/strong>: Ng\u01b0\u1eddi tham d\u1ef1 trao \u0111\u1ed5i th\u00f4ng tin li\u00ean h\u1ec7 ngay l\u1eadp t\u1ee9c b\u1eb1ng c\u00e1ch qu\u00e9t th\u1ebb c\u1ee7a nhau. Li\u00ean k\u1ebft m\u00e3 th\u1ebb v\u1edbi th\u1ebb li\u00ean h\u1ec7 k\u1ef9 thu\u1eadt s\u1ed1 b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng m\u1ed9t <a href=\"https:\/\/pageloot.com\/vi\/vcard-qr-code-generator\/\">T\u1ea1o m\u00e3 QR vCard<\/a> cho ph\u00e9p ng\u01b0\u1eddi nh\u1eadn l\u01b0u t\u00ean, s\u1ed1 \u0111i\u1ec7n tho\u1ea1i v\u00e0 \u0111\u1ecba ch\u1ec9 email tr\u1ef1c ti\u1ebfp v\u00e0o danh b\u1ea1 \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh c\u1ee7a h\u1ecd.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 \u0111\u1ea3m b\u1ea3o qu\u00e9t nhanh tr\u00ean c\u1ea3 ba tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng, h\u00e3y gi\u1ea3m thi\u1ec3u l\u01b0\u1ee3ng d\u1eef li\u1ec7u th\u00f4 \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef b\u00ean trong m\u1eabu m\u00e3 v\u1ea1ch. M\u1eadt \u0111\u1ed9 d\u1eef li\u1ec7u cao t\u1ea1o ra c\u00e1c m\u1eabu h\u00ecnh vu\u00f4ng nh\u1ecf h\u01a1n, ch\u1eb7t ch\u1ebd h\u01a1n (module) m\u00e0 camera di \u0111\u1ed9ng kh\u00f3 x\u1eed l\u00fd nhanh ch\u00f3ng h\u01a1n. S\u1eed d\u1ee5ng m\u1ed9t <a href=\"https:\/\/pageloot.com\/vi\/dynamic-qr-code-generator\/\">T\u1ea1o m\u00e3 QR \u0111\u1ed9ng<\/a> cho ph\u00e9p b\u1ea1n m\u00e3 h\u00f3a m\u1ed9t li\u00ean k\u1ebft chuy\u1ec3n h\u01b0\u1edbng ng\u1eafn ho\u1eb7c chu\u1ed7i \u0111\u1ecbnh danh duy nh\u1ea5t, gi\u1eef cho m\u1eabu h\u00ecnh \u1ea3nh th\u01b0a th\u1edbt v\u00e0 d\u1ec5 \u0111\u1ecdc.<\/p>\n\n\n\n<blockquote class=\"is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>T\u1ea1o M\u00e3 QR S\u1ef1 ki\u1ec7n T\u00f9y ch\u1ec9nh trong v\u00e0i Ph\u00fat<\/strong> \u0110\u01a1n gi\u1ea3n h\u00f3a vi\u1ec7c \u0111\u0103ng k\u00fd ng\u01b0\u1eddi tham d\u1ef1 v\u00e0 qu\u00e9t th\u1ebb b\u1eb1ng c\u00e1ch thi\u1ebft k\u1ebf m\u00e3 s\u1ef1 ki\u1ec7n c\u00f3 th\u1ec3 t\u00f9y ch\u1ec9nh v\u1edbi <a href=\"https:\/\/pageloot.com\/vi\/event-qr-code-generator\/\">T\u1ea1o m\u00e3 QR s\u1ef1 ki\u1ec7n<\/a> c\u1ee7a ch\u00fang t\u00f4i ngay h\u00f4m nay.<\/p>\n<\/blockquote>\n\n\n\n<h2 id=\"h-technical-guidelines-for-badge-scannability\" class=\"wp-block-heading\">H\u01b0\u1edbng d\u1eabn K\u1ef9 thu\u1eadt v\u1ec1 Kh\u1ea3 n\u0103ng Qu\u00e9t Th\u1ebb<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">M\u00e3 th\u1ebb kh\u00f4ng th\u1ec3 qu\u00e9t \u0111\u01b0\u1ee3c s\u1ebd g\u00e2y ra th\u1eddi gian ch\u1edd \u0111\u1ee3i k\u00e9o d\u00e0i v\u00e0 m\u1ea5t d\u1eef li\u1ec7u ch\u00ednh x\u00e1c. H\u00e3y tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n thi\u1ebft k\u1ebf k\u1ef9 thu\u1eadt n\u00e0y \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o m\u1ed7i th\u1ebb \u0111\u01b0\u1ee3c qu\u00e9t \u0111\u00e1ng tin c\u1eady ngay l\u1ea7n th\u1eed \u0111\u1ea7u ti\u00ean.<\/p>\n\n\n\n<figure><img decoding=\"async\" src=\"https:\/\/pageloot.com\/wp-content\/uploads\/2026\/08\/scannable-badge-qrcodes-214da5-bc8adef26380.webp\" alt=\"Ti\u00eau chu\u1ea9n m\u00e3 QR tr\u00ean th\u1ebb\" \/><\/figure>\n\n\n\n<figure>\n<table>\n<thead>\n<tr>\n<th>Ti\u00eau chu\u1ea9n t\u00ednh n\u0103ng<\/th>\n<th>Y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt<\/th>\n<th>L\u00fd do v\u1eadn h\u00e0nh<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>K\u00edch th\u01b0\u1edbc in t\u1ed1i thi\u1ec3u<\/strong><\/td>\n<td>1 \u00d7 1 inch (2.5 \u00d7 2.5 cm)<\/td>\n<td>\u0110\u1ea3m b\u1ea3o ti\u00eau c\u1ef1 r\u00f5 r\u00e0ng cho m\u00e1y qu\u00e9t c\u1ea7m tay \u1edf kho\u1ea3ng c\u00e1ch m\u1ed9t s\u1ea3i tay (10\u201325 inch).<\/td>\n<\/tr>\n<tr>\n<td><strong>L\u1ec1 V\u00f9ng Y\u00ean t\u0129nh<\/strong><\/td>\n<td>R\u1ed9ng \u00edt nh\u1ea5t 4 m\u00f4-\u0111un<\/td>\n<td>Ng\u0103n v\u0103n b\u1ea3n xung quanh, logo ho\u1eb7c vi\u1ec1n th\u1ebb l\u00e0m nhi\u1ec5u \u0111\u1ea7u \u0111\u1ecdc.<\/td>\n<\/tr>\n<tr>\n<td><strong>\u0110\u1ed9 t\u01b0\u01a1ng ph\u1ea3n m\u00e0u s\u1eafc<\/strong><\/td>\n<td>T\u1ef7 l\u1ec7 t\u01b0\u01a1ng ph\u1ea3n t\u1ed1i thi\u1ec3u 4:1<\/td>\n<td>\u0110\u1ea3m b\u1ea3o c\u1ea3m bi\u1ebfn quang h\u1ecdc ph\u00e2n bi\u1ec7t c\u00e1c m\u00f4-\u0111un n\u1ec1n tr\u01b0\u1edbc t\u1ed1i v\u1edbi gi\u1ea5y n\u1ec1n.<\/td>\n<\/tr>\n<tr>\n<td><strong>\u0110\u1ed9 ph\u00e2n gi\u1ea3i h\u00ecnh \u1ea3nh<\/strong><\/td>\n<td>\u0110\u1ecbnh d\u1ea1ng vector (SVG\/EPS) ho\u1eb7c 300 DPI<\/td>\n<td>Lo\u1ea1i b\u1ecf c\u00e1c c\u1ea1nh m\u1edd ho\u1eb7c b\u1ecb pixel khi \u0111i\u1ec1u ch\u1ec9nh k\u00edch th\u01b0\u1edbc h\u00ecnh \u1ea3nh th\u1ebb cho c\u00e1c \u0111\u1ee3t in.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<h3 id=\"h-color-contrast-and-visual-styling\" class=\"wp-block-heading\">\u0110\u1ed9 t\u01b0\u01a1ng ph\u1ea3n m\u00e0u s\u1eafc v\u00e0 Phong c\u00e1ch h\u00ecnh \u1ea3nh<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Lu\u00f4n in m\u1eabu QR t\u1ed1i tr\u00ean n\u1ec1n s\u00e1ng. C\u00e1c m\u00f4-\u0111un m\u00e0u \u0111en tr\u00ean n\u1ec1n tr\u1eafng mang l\u1ea1i \u0111i\u1ec3m \u0111\u1ecdc cao nh\u1ea5t v\u00e0 t\u1ef7 l\u1ec7 t\u01b0\u01a1ng ph\u1ea3n ti\u00eau chu\u1ea9n 21:1. M\u1eb7c d\u00f9 c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng m\u00e0u th\u01b0\u01a1ng hi\u1ec7u t\u00f9y ch\u1ec9nh, h\u00e3y duy tr\u00ec t\u1ef7 l\u1ec7 t\u01b0\u01a1ng ph\u1ea3n \u00edt nh\u1ea5t 4:1 \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c m\u1ee9c \u0111\u1ed9 \u00e1nh s\u00e1ng kh\u00e1c nhau c\u1ee7a \u0111\u1ecba \u0111i\u1ec3m. Tr\u00e1nh c\u00e1c thi\u1ebft k\u1ebf \u0111\u1ea3o ng\u01b0\u1ee3c v\u1edbi m\u1eabu s\u00e1ng tr\u00ean n\u1ec1n t\u1ed1i v\u00ec nhi\u1ec1u \u0111\u1ea7u \u0111\u1ecdc camera \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh g\u1ed1c kh\u00f4ng th\u1ec3 x\u1eed l\u00fd m\u00e3 \u0111\u1ea3o ng\u01b0\u1ee3c. \u0110\u1ec3 bi\u1ebft chi ti\u1ebft quy t\u1eafc ch\u1ecdn m\u00e0u, h\u00e3y xem h\u01b0\u1edbng d\u1eabn c\u1ee7a ch\u00fang t\u00f4i v\u1ec1 <a href=\"https:\/\/pageloot.com\/vi\/blog\/qr-code-color-contrast-best-practices\/\">c\u00e1c ph\u01b0\u01a1ng ph\u00e1p hay nh\u1ea5t v\u1ec1 \u0111\u1ed9 t\u01b0\u01a1ng ph\u1ea3n m\u00e0u c\u1ee7a m\u00e3 QR<\/a>.<\/p>\n\n\n\n<h3 id=\"h-quiet-zone-requirements\" class=\"wp-block-heading\">Y\u00eau c\u1ea7u v\u1ec1 V\u00f9ng y\u00ean t\u0129nh<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00f9ng y\u00ean t\u0129nh l\u00e0 l\u1ec1 r\u00f5 r\u00e0ng bao quanh b\u1ed1n c\u1ea1nh c\u1ee7a m\u00e3 QR. C\u00e1c ti\u00eau chu\u1ea9n y\u00eau c\u1ea7u chi\u1ec1u r\u1ed9ng v\u00f9ng y\u00ean t\u0129nh \u00edt nh\u1ea5t b\u1eb1ng b\u1ed1n l\u1ea7n chi\u1ec1u r\u1ed9ng c\u1ee7a m\u1ed9t m\u00f4-\u0111un c\u00e1 nh\u00e2n (kh\u1ed1i vu\u00f4ng). Kh\u00f4ng bao gi\u1edd \u0111\u1eb7t t\u00ean, ch\u1ee9c danh c\u00f4ng vi\u1ec7c, logo nh\u00e0 t\u00e0i tr\u1ee3 ho\u1eb7c \u0111\u1ed3 h\u1ecda n\u1ec1n b\u00ean trong l\u1ec1 n\u00e0y, v\u00ec l\u00e0m nh\u01b0 v\u1eady s\u1ebd ng\u0103n m\u00e1y qu\u00e9t \u0111\u1ecbnh v\u1ecb c\u00e1c ranh gi\u1edbi c\u1ee7a m\u00e3.<\/p>\n\n\n\n<h2 id=\"h-badge-materials-and-printing-techniques\" class=\"wp-block-heading\">V\u1eadt li\u1ec7u th\u1ebb v\u00e0 K\u1ef9 thu\u1eadt in<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Ch\u1ea5t li\u1ec7u n\u1ec1n v\u1eadt l\u00fd v\u00e0 \u0111\u1ed9 ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t c\u1ee7a th\u1ebb c\u00f3 t\u00e1c \u0111\u1ed9ng \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn c\u00e1ch \u00e1nh s\u00e1ng ph\u1ea3n x\u1ea1 v\u00e0o \u1ed1ng k\u00ednh qu\u00e9t.<\/p>\n\n\n\n<h3 id=\"h-selecting-substrates-and-finishes\" class=\"wp-block-heading\">Ch\u1ecdn v\u1eadt li\u1ec7u n\u1ec1n v\u00e0 \u0111\u1ed9 ho\u00e0n thi\u1ec7n<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">N\u1ebfu c\u00f3 th\u1ec3, h\u00e3y ch\u1ecdn gi\u1ea5y th\u1ebb m\u1edd ho\u1eb7c kh\u00f4ng tr\u00e1ng ph\u1ee7. Th\u1ebb nh\u1ef1a b\u00f3ng cao, l\u1edbp ph\u1ee7 trong su\u1ed1t b\u00f3ng b\u1ea9y v\u00e0 t\u00fai vinyl d\u00e0y ph\u1ea3n chi\u1ebfu \u00e1nh s\u00e1ng t\u1eeb tr\u00ean cao c\u1ee7a \u0111\u1ecba \u0111i\u1ec3m tr\u1ef1c ti\u1ebfp v\u00e0o \u1ed1ng k\u00ednh m\u00e1y \u1ea3nh, g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng m\u1edd v\u00e0 l\u1ed7i qu\u00e9t. N\u1ebfu c\u00e0i \u0111\u1eb7t \u0111\u1ecba \u0111i\u1ec3m c\u1ee7a b\u1ea1n y\u00eau c\u1ea7u gi\u00e1 \u0111\u1ee1 th\u1ebb nh\u1ef1a trong su\u1ed1t ho\u1eb7c c\u00e1n m\u00e0ng b\u00f3ng:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>T\u0103ng k\u00edch th\u01b0\u1edbc m\u00e3 in l\u00ean 15% \u0111\u1ebfn 20% \u0111\u1ec3 cung c\u1ea5p cho c\u1ea3m bi\u1ebfn m\u00e1y \u1ea3nh m\u1ed9t m\u1ee5c ti\u00eau l\u1edbn h\u01a1n.<\/li>\n\n\n\n<li>H\u01b0\u1edbng d\u1eabn ng\u01b0\u1eddi \u0111i\u1ec1u khi\u1ec3n m\u00e1y \u1ea3nh ho\u1eb7c nh\u00e2n vi\u00ean gian h\u00e0ng gi\u1eef thi\u1ebft b\u1ecb qu\u00e9t \u1edf m\u1ed9t g\u00f3c nh\u1ecf \u0111\u1ec3 tr\u00e1nh ph\u1ea3n x\u1ea1 \u00e1nh s\u00e1ng tr\u1ef1c ti\u1ebfp.<\/li>\n\n\n\n<li>Tr\u00e1nh gi\u1ea5y th\u1ebb t\u1ed5ng h\u1ee3p c\u00f3 v\u00e2n l\u00e0m \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00e1c c\u1ea1nh h\u00ecnh h\u1ecdc th\u1eb3ng c\u1ee7a c\u00e1c m\u00f4-\u0111un in.<\/li>\n<\/ul>\n\n\n\n<h3 id=\"h-exporting-files-for-production\" class=\"wp-block-heading\">Xu\u1ea5t t\u1ec7p \u0111\u1ec3 s\u1ea3n xu\u1ea5t<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng xu\u1ea5t t\u00e1c ph\u1ea9m ngh\u1ec7 thu\u1eadt huy hi\u1ec7u d\u01b0\u1edbi d\u1ea1ng t\u1ec7p JPEG ho\u1eb7c PNG c\u00f3 \u0111\u1ed9 ph\u00e2n gi\u1ea3i th\u1ea5p. Thay \u0111\u1ed5i k\u00edch th\u01b0\u1edbc h\u00ecnh \u1ea3nh bitmap g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng nh\u00f2e pixel, l\u00e0m tr\u00f2n c\u00e1c g\u00f3c m\u00f4-\u0111un s\u1eafc n\u00e9t. Xu\u1ea5t t\u00e1c ph\u1ea9m ngh\u1ec7 thu\u1eadt \u1edf \u0111\u1ecbnh d\u1ea1ng vector nh\u01b0 SVG ho\u1eb7c EPS, ho\u1eb7c xu\u1ea5t t\u1ec7p PDF \u0111\u1ed9 ph\u00e2n gi\u1ea3i cao \u0111\u01b0\u1ee3c \u0111\u1eb7t th\u00e0nh 300 DPI \u1edf t\u1ef7 l\u1ec7 in \u0111\u1ea7y \u0111\u1ee7. \u0110\u1ec3 c\u00f3 c\u00e1i nh\u00ecn t\u1ed5ng quan to\u00e0n di\u1ec7n v\u1ec1 c\u00e1ch l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u v\u00e0 \u1ee9ng d\u1ee5ng m\u1ef1c \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn kh\u1ea3 n\u0103ng qu\u00e9t, h\u00e3y \u0111\u1ecdc b\u00e0i vi\u1ebft c\u1ee7a ch\u00fang t\u00f4i v\u1ec1 <a href=\"https:\/\/pageloot.com\/vi\/blog\/how-printing-techniques-impact-qr-code-scannability\/\">c\u00e1ch c\u00e1c k\u1ef9 thu\u1eadt in \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn kh\u1ea3 n\u0103ng qu\u00e9t m\u00e3 QR<\/a>.<\/p>\n\n\n\n<h3 id=\"h-badge-placement-rules\" class=\"wp-block-heading\">Quy t\u1eafc \u0111\u1eb7t huy hi\u1ec7u<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1eb7t m\u00e3 QR \u1edf m\u1eb7t tr\u01b0\u1edbc c\u1ee7a huy hi\u1ec7u, l\u00fd t\u01b0\u1edfng nh\u1ea5t l\u00e0 g\u1ea7n gi\u1eefa ho\u1eb7c m\u1ed9t ph\u1ea7n ba ph\u00eda d\u01b0\u1edbi, n\u01a1i n\u00f3 kh\u00f4ng b\u1ecb v\u01b0\u1edbng b\u1edfi d\u00e2y \u0111eo ho\u1eb7c k\u1eb9p. \u0110\u1eb7t m\u00e3 g\u1ea7n \u0111\u01b0\u1eddng \u0111\u1ecdc ch\u00ednh \u0111\u1ea3m b\u1ea3o c\u0103n ch\u1ec9nh h\u00ecnh \u1ea3nh nhanh ch\u00f3ng trong qu\u00e1 tr\u00ecnh l\u00e0m th\u1ee7 t\u1ee5c. Kh\u00e1m ph\u00e1 c\u00e1c khuy\u1ebfn ngh\u1ecb c\u1ee7a ch\u00fang t\u00f4i trong <a href=\"https:\/\/pageloot.com\/vi\/blog\/ultimate-guide-to-qr-code-placement-in-marketing\/\">h\u01b0\u1edbng d\u1eabn \u0111\u1eb7t m\u00e3 QR trong ti\u1ebfp th\u1ecb<\/a>, v\u00e0 xem x\u00e9t c\u00e1c tri\u1ec3n khai th\u1ef1c t\u1ebf trong <a href=\"https:\/\/pageloot.com\/vi\/blog\/case-study-qr-codes-scientific-conferences\/\">nghi\u00ean c\u1ee9u \u0111i\u1ec3n h\u00ecnh v\u1ec1 c\u00e1c h\u1ed9i ngh\u1ecb khoa h\u1ecdc<\/a>. \u0110\u1ec3 bi\u1ebft chi ti\u1ebft k\u00edch th\u01b0\u1edbc ch\u00ednh x\u00e1c d\u1ef1a tr\u00ean kho\u1ea3ng c\u00e1ch qu\u00e9t v\u1eadt l\u00fd, h\u00e3y tham kh\u1ea3o <a href=\"https:\/\/pageloot.com\/vi\/how-to\/qr-code-size-guide\/\">h\u01b0\u1edbng d\u1eabn k\u00edch th\u01b0\u1edbc m\u00e3 QR c\u1ee7a ch\u00fang t\u00f4i<\/a>.<\/p>\n\n\n\n<figure><img decoding=\"async\" src=\"https:\/\/pageloot.com\/wp-content\/uploads\/2026\/08\/correct-incorrect-badges-924c0c-5694d73a0ec4.webp\" alt=\"V\u1ecb tr\u00ed \u0111\u1eb7t m\u00e3 th\u1ebb ch\u00ednh x\u00e1c\" \/><\/figure>\n\n\n\n<h2 id=\"h-data-privacy-and-operational-scanning-workflows\" class=\"wp-block-heading\">Quy\u1ec1n ri\u00eang t\u01b0 d\u1eef li\u1ec7u v\u00e0 quy tr\u00ecnh qu\u00e9t v\u1eadn h\u00e0nh<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c tri\u1ec3n khai m\u00e3 QR tr\u00ean huy hi\u1ec7u \u0111\u00f2i h\u1ecfi ph\u1ea3i c\u00e2n b\u1eb1ng gi\u1eefa quy tr\u00ecnh v\u1eadn h\u00e0nh nhanh ch\u00f3ng v\u00e0 b\u1ea3o v\u1ec7 d\u1eef li\u1ec7u c\u1ee7a ng\u01b0\u1eddi tham d\u1ef1.<\/p>\n\n\n\n<h3 id=\"h-protecting-attendee-data\" class=\"wp-block-heading\">B\u1ea3o v\u1ec7 d\u1eef li\u1ec7u ng\u01b0\u1eddi tham d\u1ef1<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">M\u00e3 h\u00f3a th\u00f4ng tin c\u00e1 nh\u00e2n \u0111\u1ea7y \u0111\u1ee7 \u2013 nh\u01b0 s\u1ed1 \u0111i\u1ec7n tho\u1ea1i, \u0111\u1ecba ch\u1ec9 \u0111\u01b0\u1eddng ph\u1ed1 v\u00e0 \u0111\u1ecba ch\u1ec9 email \u2013 tr\u1ef1c ti\u1ebfp v\u00e0o t\u1ea3i tr\u1ecdng m\u00e3 v\u1ea1ch t\u0129nh l\u00e0m l\u1ed9 d\u1eef li\u1ec7u ng\u01b0\u1eddi tham d\u1ef1 cho b\u1ea5t k\u1ef3 ai qu\u00e9t huy hi\u1ec7u b\u1eb1ng \u1ee9ng d\u1ee5ng camera th\u01b0\u01a1ng m\u1ea1i.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Thay v\u00e0o \u0111\u00f3, h\u00e3y m\u00e3 h\u00f3a m\u1ed9t m\u00e3 \u0111\u1ecbnh danh ch\u1eef v\u00e0 s\u1ed1 duy nh\u1ea5t, \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a (ch\u1eb3ng h\u1ea1n nh\u01b0 `ID-88302`). Khi nh\u00e2n vi\u00ean s\u1ef1 ki\u1ec7n \u0111\u01b0\u1ee3c \u1ee7y quy\u1ec1n qu\u00e9t th\u1ebb b\u1eb1ng c\u00f4ng c\u1ee5 doanh nghi\u1ec7p ho\u1eb7c tr\u1ef1c tuy\u1ebfn <a href=\"https:\/\/pageloot.com\/vi\/qr-code-scanner\/\">Qu\u00e9t m\u00e3 QR<\/a>, h\u1ec7 th\u1ed1ng ph\u1ee5 tr\u1ee3 s\u1ebd x\u00e1c minh m\u00e3 \u0111\u1ecbnh danh m\u1ed9t c\u00e1ch an to\u00e0n m\u00e0 kh\u00f4ng in d\u1eef li\u1ec7u c\u00e1 nh\u00e2n nh\u1ea1y c\u1ea3m v\u00e0o b\u00ean trong t\u1ea3i tr\u1ecdng c\u1ee7a th\u1ebb v\u1eadt l\u00fd.<\/p>\n\n\n\n<h3 id=\"h-establishing-lead-capture-consent\" class=\"wp-block-heading\">Thi\u1ebft l\u1eadp s\u1ef1 \u0111\u1ed3ng \u00fd thu th\u1eadp kh\u00e1ch h\u00e0ng ti\u1ec1m n\u0103ng<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 duy tr\u00ec tu\u00e2n th\u1ee7 c\u00e1c quy \u0111\u1ecbnh v\u1ec1 quy\u1ec1n ri\u00eang t\u01b0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>C\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng ri\u00eang bi\u1ec7t<\/strong>: X\u1eed l\u00fd vi\u1ec7c qu\u00e9t check-in s\u1ef1 ki\u1ec7n kh\u00e1c bi\u1ec7t v\u1edbi vi\u1ec7c thu th\u1eadp kh\u00e1ch h\u00e0ng ti\u1ec1m n\u0103ng c\u1ee7a nh\u00e0 tri\u1ec3n l\u00e3m. Vi\u1ec7c check-in v\u00e0o m\u1ed9t \u0111\u1ecba \u0111i\u1ec3m kh\u00f4ng t\u1ef1 \u0111\u1ed9ng c\u1ea5p quy\u1ec1n cho c\u00e1c nh\u00e0 t\u00e0i tr\u1ee3 b\u00ean th\u1ee9 ba l\u01b0u tr\u1eef d\u1eef li\u1ec7u li\u00ean h\u1ec7.<\/li>\n\n\n\n<li><strong>Cung c\u1ea5p th\u00f4ng b\u00e1o r\u00f5 r\u00e0ng<\/strong>: Th\u00f4ng b\u00e1o cho ng\u01b0\u1eddi tham d\u1ef1 trong qu\u00e1 tr\u00ecnh \u0111\u0103ng k\u00fd r\u1eb1ng vi\u1ec7c cho ph\u00e9p nh\u00e0 tri\u1ec3n l\u00e3m qu\u00e9t th\u1ebb c\u1ee7a h\u1ecd l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn r\u00f5 r\u00e0ng \u0111\u1ec3 chia s\u1ebb th\u00f4ng tin li\u00ean h\u1ec7 v\u1edbi nh\u00e0 t\u00e0i tr\u1ee3 c\u1ee5 th\u1ec3 \u0111\u00f3.<\/li>\n\n\n\n<li><strong>S\u1eed d\u1ee5ng qu\u00e9t r\u00f5 r\u00e0ng<\/strong>: \u0110\u1ea3m b\u1ea3o c\u00e1c \u1ee9ng d\u1ee5ng thu th\u1eadp kh\u00e1ch h\u00e0ng ti\u1ec1m n\u0103ng t\u1ea1i gian h\u00e0ng hi\u1ec3n th\u1ecb x\u00e1c nh\u1eadn th\u00e0nh c\u00f4ng tr\u1ef1c quan (ch\u1eb3ng h\u1ea1n nh\u01b0 bi\u1ec3u ng\u1eef x\u00e1c nh\u1eadn m\u00e0u xanh l\u00e1 c\u00e2y) \u0111\u1ec3 ng\u01b0\u1eddi tham d\u1ef1 bi\u1ebft khi n\u00e0o vi\u1ec7c qu\u00e9t kh\u00e1ch h\u00e0ng ti\u1ec1m n\u0103ng di\u1ec5n ra.<\/li>\n<\/ul>\n\n\n\n<h2 id=\"h-operational-checklist-for-event-success\" class=\"wp-block-heading\">Danh s\u00e1ch ki\u1ec3m tra v\u1eadn h\u00e0nh \u0111\u1ec3 s\u1ef1 ki\u1ec7n th\u00e0nh c\u00f4ng<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Tr\u01b0\u1edbc khi in to\u00e0n b\u1ed9 l\u00f4 th\u1ebb h\u1ed9i ngh\u1ecb c\u1ee7a b\u1ea1n, h\u00e3y th\u1ef1c hi\u1ec7n danh s\u00e1ch ki\u1ec3m tra \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng n\u00e0y:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>X\u00e1c minh \u0111\u1ed9 t\u01b0\u01a1ng ph\u1ea3n<\/strong>: Ki\u1ec3m tra c\u00e1c k\u1ebft h\u1ee3p n\u1ec1n v\u00e0 ti\u1ec1n c\u1ea3nh b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 ki\u1ec3m tra \u0111\u1ed9 t\u01b0\u01a1ng ph\u1ea3n k\u1ef9 thu\u1eadt s\u1ed1 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u1ef7 l\u1ec7 tr\u00ean 4:1.<\/li>\n\n\n\n<li><strong>Duy tr\u00ec v\u00f9ng y\u00ean t\u0129nh<\/strong>: X\u00e1c minh r\u1eb1ng m\u1ed9t \u0111\u01b0\u1eddng vi\u1ec1n r\u00f5 r\u00e0ng 4 module bao quanh m\u1ecdi m\u00e3 th\u1ebb trong m\u1eabu b\u1ed1 c\u1ee5c cu\u1ed1i c\u00f9ng.<\/li>\n\n\n\n<li><strong>In b\u1ea3n in th\u1eed v\u1eadt l\u00fd<\/strong>: Kh\u00f4ng bao gi\u1edd ch\u1ec9 d\u1ef1a v\u00e0o b\u1ea3n xem tr\u01b0\u1edbc tr\u00ean m\u00e0n h\u00ecnh. H\u00e3y in c\u00e1c b\u1ea3n in th\u1eed th\u1ebb v\u1eadt l\u00fd th\u1ef1c t\u1ebf tr\u00ean lo\u1ea1i gi\u1ea5y th\u1ebb ho\u1eb7c gi\u1ea5y b\u00eca \u0111\u00e3 ch\u1ecdn.<\/li>\n\n\n\n<li><strong>Ki\u1ec3m tra tr\u00ean nhi\u1ec1u thi\u1ebft b\u1ecb<\/strong>: Qu\u00e9t c\u00e1c b\u1ea3n in th\u1eed v\u1eadt l\u00fd d\u01b0\u1edbi \u00e1nh s\u00e1ng th\u1ef1c t\u1ebf c\u1ee7a \u0111\u1ecba \u0111i\u1ec3m b\u1eb1ng nhi\u1ec1u m\u1eabu \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh (c\u1ea3 iOS v\u00e0 Android) v\u00e0 m\u00e1y qu\u00e9t c\u1ea7m tay chuy\u00ean d\u1ee5ng.<\/li>\n\n\n\n<li><strong>X\u00e1c nh\u1eadn tuy\u1ebfn d\u1eef li\u1ec7u<\/strong>: Ki\u1ec3m tra xem c\u00e1c li\u00ean k\u1ebft QR \u0111\u1ed9ng c\u00f3 d\u1eabn \u0111\u1ebfn c\u00e1c trang \u0111\u00edch ho\u1eb7c c\u01a1 s\u1edf d\u1eef li\u1ec7u h\u1ec7 th\u1ed1ng check-in ch\u00ednh x\u00e1c m\u00e0 kh\u00f4ng b\u1ecb l\u1ed7i hay kh\u00f4ng.<\/li>\n<\/ul>\n\n\n\n<h2 id=\"h-streamline-your-next-event-with-scannable-badges\" class=\"wp-block-heading\">H\u1ee3p l\u00fd h\u00f3a s\u1ef1 ki\u1ec7n ti\u1ebfp theo c\u1ee7a b\u1ea1n v\u1edbi th\u1ebb c\u00f3 th\u1ec3 qu\u00e9t \u0111\u01b0\u1ee3c<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n v\u1ec1 thi\u1ebft k\u1ebf, ch\u1ea5t li\u1ec7u v\u00e0 d\u1eef li\u1ec7u n\u00e0y \u0111\u1ea3m b\u1ea3o th\u1ebb s\u1ef1 ki\u1ec7n c\u1ee7a b\u1ea1n mang l\u1ea1i tr\u1ea3i nghi\u1ec7m check-in d\u1ec5 d\u00e0ng v\u00e0 t\u1ea1o ra kh\u00e1ch h\u00e0ng ti\u1ec1m n\u0103ng \u0111\u00e1ng tin c\u1eady. Thi\u1ebft k\u1ebf th\u1ebb v\u1edbi \u0111\u1ed9 t\u01b0\u01a1ng ph\u1ea3n ph\u00f9 h\u1ee3p, v\u00f9ng y\u00ean t\u0129nh \u0111\u1ee7 l\u1edbn, b\u1ec1 m\u1eb7t m\u1edd v\u00e0 t\u1ea3i tr\u1ecdng \u0111\u1ed9ng nh\u1eb9 s\u1ebd lo\u1ea1i b\u1ecf c\u00e1c t\u1eafc ngh\u1ebdn \u0111\u0103ng k\u00fd v\u00e0 b\u1ea3o v\u1ec7 quy\u1ec1n ri\u00eang t\u01b0 c\u1ee7a ng\u01b0\u1eddi tham d\u1ef1.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 b\u1eaft \u0111\u1ea7u t\u1ea1o m\u00e3 QR c\u00f3 \u0111\u1ed9 t\u01b0\u01a1ng ph\u1ea3n cao, c\u00f3 th\u1ec3 m\u1edf r\u1ed9ng cho c\u00e1c t\u00e0i li\u1ec7u s\u1ef1 ki\u1ec7n s\u1eafp t\u1edbi c\u1ee7a b\u1ea1n, h\u00e3y kh\u00e1m ph\u00e1 <a href=\"https:\/\/pageloot.com\/vi\/blog\/best-practices-for-qr-code-readability\/\">c\u00e1c ph\u01b0\u01a1ng ph\u00e1p hay nh\u1ea5t \u0111\u1ec3 \u0111\u1ecdc m\u00e3 QR<\/a> v\u00e0 ki\u1ec3m tra thi\u1ebft k\u1ebf th\u1ebb c\u1ee7a b\u1ea1n ngay h\u00f4m nay.<\/p>\n\n\n\n<h2 id=\"h-frequently-asked-questions\" class=\"wp-block-heading\">C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n\n\n\n<div class=\"schema-faq\"><div class=\"schema-faq-section\" id=\"faq-question-45d9dd07d2a9\"><strong class=\"schema-faq-question\">K\u00edch th\u01b0\u1edbc t\u1ed1i thi\u1ec3u \u0111\u01b0\u1ee3c \u0111\u1ec1 xu\u1ea5t cho m\u00e3 QR tr\u00ean th\u1ebb h\u1ed9i ngh\u1ecb l\u00e0 bao nhi\u00eau?<\/strong> <p class=\"schema-faq-answer\">In m\u00e3 QR tr\u00ean th\u1ebb c\u00f3 k\u00edch th\u01b0\u1edbc t\u1ed1i thi\u1ec3u 1 \u00d7 1 inch (2.5 \u00d7 2.5 cm) ho\u1eb7c \u00edt nh\u1ea5t 2 \u00d7 2 cm. K\u00edch th\u01b0\u1edbc n\u00e0y ph\u00f9 h\u1ee3p v\u1edbi kho\u1ea3ng c\u00e1ch qu\u00e9t th\u00f4ng th\u01b0\u1eddng t\u1eeb 10 \u0111\u1ebfn 25 inch khi s\u1eed d\u1ee5ng camera \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh ti\u00eau chu\u1ea9n.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-d178339a0ab4\"><strong class=\"schema-faq-question\">T\u1ea1i sao nh\u00e0 t\u1ed5 ch\u1ee9c s\u1ef1 ki\u1ec7n n\u00ean s\u1eed d\u1ee5ng m\u00e3 QR \u0111\u1ed9ng tr\u00ean th\u1ebb t\u00ean thay v\u00ec m\u00e3 t\u0129nh?<\/strong> <p class=\"schema-faq-answer\">M\u00e3 QR \u0111\u1ed9ng m\u00e3 h\u00f3a m\u1ed9t li\u00ean k\u1ebft chuy\u1ec3n h\u01b0\u1edbng ng\u1eafn thay v\u00ec v\u0103n b\u1ea3n th\u00f4 d\u00e0y \u0111\u1eb7c, gi\u00fap m\u1eabu m\u00e3 tr\u1ef1c quan \u0111\u01a1n gi\u1ea3n v\u00e0 qu\u00e9t nhanh ch\u00f3ng. Ch\u00fang c\u0169ng cho ph\u00e9p c\u00e1c nh\u00e0 t\u1ed5 ch\u1ee9c ch\u1ec9nh s\u1eeda URL \u0111\u00edch ho\u1eb7c qu\u1ea3n l\u00fd c\u00e0i \u0111\u1eb7t truy c\u1eadp sau khi in m\u00e0 kh\u00f4ng c\u1ea7n c\u1ea5p l\u1ea1i huy hi\u1ec7u v\u1eadt l\u00fd.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-48a7680a7577\"><strong class=\"schema-faq-question\">L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 b\u1ea1n ng\u0103n ch\u1eb7n \u00e1nh s\u00e1ng ch\u00f3i t\u1eeb c\u00e1c bao \u0111\u1ef1ng th\u1ebb b\u1eb1ng nh\u1ef1a trong su\u1ed1t l\u00e0m c\u1ea3n tr\u1edf vi\u1ec7c qu\u00e9t?<\/strong> <p class=\"schema-faq-answer\">S\u1eed d\u1ee5ng th\u1ebb c\u00f3 ch\u1ea5t li\u1ec7u m\u1edd kh\u00f4ng ph\u1ea3n chi\u1ebfu b\u1ea5t c\u1ee9 khi n\u00e0o c\u00f3 th\u1ec3. N\u1ebfu c\u1ea7n t\u00fai nh\u1ef1a trong su\u1ed1t, h\u00e3y t\u0103ng k\u00edch th\u01b0\u1edbc m\u00e3 QR l\u00ean 15% \u0111\u1ebfn 20% v\u00e0 h\u01b0\u1edbng d\u1eabn nh\u00e2n vi\u00ean ho\u1eb7c ng\u01b0\u1eddi tr\u01b0ng b\u00e0y gi\u1eef thi\u1ebft b\u1ecb qu\u00e9t \u1edf g\u00f3c 45 \u0111\u1ed9 \u0111\u1ec3 tr\u00e1nh ph\u1ea3n x\u1ea1 \u00e1nh s\u00e1ng tr\u1ef1c ti\u1ebfp t\u1eeb tr\u00ean cao.<\/p> <\/div> <\/div>","protected":false},"excerpt":{"rendered":"<p>T\u00ecm hi\u1ec3u c\u00e1ch thi\u1ebft k\u1ebf v\u00e0 in m\u00e3 QR c\u00f3 th\u1ec3 qu\u00e9t \u0111\u01b0\u1ee3c tr\u00ean th\u1ebb h\u1ed9i ngh\u1ecb \u0111\u1ec3 \u0111\u0103ng k\u00fd s\u1ef1 ki\u1ec7n nhanh ch\u00f3ng, thu th\u1eadp th\u00f4ng tin kh\u00e1ch h\u00e0ng ti\u1ec1m n\u0103ng \u0111\u00e1ng tin c\u1eady v\u00e0 b\u1ea3o m\u1eadt d\u1eef li\u1ec7u ng\u01b0\u1eddi tham d\u1ef1 an to\u00e0n.<\/p>","protected":false},"author":17,"featured_media":56232,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[8],"tags":[],"class_list":["post-56258","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-qr-codes-on"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.7 (Yoast SEO v28.7) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>How to Design and Print QR Codes on Conference Badges<\/title>\n<meta name=\"description\" content=\"Learn how to design and print scannable QR codes on conference badges for fast event check-in, reliable lead capture, and secure attendee data privacy.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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