LED MODULE AND LED LIGHTING FIXTURE

• Main Authors: AKAHANE YOSHIHIRO, SHIOZAKI MANABU, SAITO HIROHISA, MOTOKI KENSAKU
• Format: Patent
• Language: English; Japanese
• Published: 27.08.2015
• Subjects: BASIC ELECTRIC ELEMENTS; BLASTING; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMSTHEREOF; HEATING; LIGHTING; MECHANICAL ENGINEERING; NON-PORTABLE LIGHTING DEVICES; SEMICONDUCTOR DEVICES; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLEEXTERIORS; WEAPONS

【課題】低コストで正面側の光度の変動を効果的に抑制できるＬＥＤモジュール及びＬＥＤ照明器具を提供することを目的とする。【解決手段】本発明のＬＥＤモジュールは、複数の発光ダイオードを備えるＬＥＤモジュールであって、上記複数の発光ダイオードが直円錐、直角錐、直円錐台又は直角錐台の側面上のみに配設され、上記側面の底面に対する傾斜角が５５?以上８２?以下であり、上記複数の発光ダイオードの発光面が上記側面と略平行であり、隣接する発光ダイオード又は発光ダイオード群の発光面の法線の上記底面への投影線の成す角が全て等しく、かつ７２?以下である。上記複数の発光ダイオードが配設される側面が直角錐又は直角錐台の側面であり、この側面に１又は複数の発光ダイオードが配設され、上記直角錐又は直角錐台の底面が全ての内角が等しい５角以上の多角形であるとよい。【選択図】図１ An LED module according to the present invention is an LED module including a plurality of light-emitting diodes, wherein the plural light-emitting diodes are disposed only on a lateral surface of a right cone, a right pyramid, a truncated right cone, or a truncated right pyramid; the lateral surface has an inclination angle of 55° or more and 82° or less with respect to a bottom surface; the plural light-emitting diodes have light-emitting surfaces substantially parallel to the lateral surface; and angles formed between projection lines of lines normal to light-emitting surfaces of adjacent light-emitting diodes or adjacent ones of grouped light-emitting diodes, the projection lines being drawn on the bottom surface, are all equal to each other and are 72° or less.