LIGHT SOURCE UNIT AND LIGHT FITTING USING THE SAME

• Main Authors: KOIDE SHINJI, OMORI TOSHINOBU, JINNAI TAKESHI, IRIKAWA ATSUSHI
• Format: Patent
• Language: English; Japanese
• Published: 17.03.2016
• Subjects: BLASTING; FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMSTHEREOF; HEATING; LIGHTING; MECHANICAL ENGINEERING; NON-PORTABLE LIGHTING DEVICES; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLEEXTERIORS; WEAPONS

PROBLEM TO BE SOLVED: To provide a light source unit which reduces costs for changing distribution of light radiated from light emitting elements, and to provide a light fitting using the light source unit.SOLUTION: An LED chip 210 is mounted on one surface of a substrate 21. A lens 22 is disposed so as to cover the LED chip 210 and controls distribution of light radiated from the LED chip 210. The substrate 21 and the lens 22 are attached to an attachment member 23. The attachment member 23 includes: a base part 231; ribs 2323 to 2326; and fixing parts 2314 to 2317. The base part 231 has a plate shape and the substrate 21 is attached thereto. The ribs 2323 to 2326 protrude in a thickness direction of the base part 231 and the lens 22 contacts the ribs 2323 to 2326 in a state where the lens 22 is attached to the attachment member 23. The fixing parts 2314 to 2317 sandwich the lens 22 with the ribs 2323 to 2326 in a thickness direction of the base part 231 to fix the lens 22 to the attachment member 23.SELECTED DRAWING: Figure 1 【課題】発光素子から放射される光の配光を変更する際に掛かるコストを低減可能な光源ユニット及びそれを用いた照明器具を提供する。【解決手段】基板２１の一面にはＬＥＤチップ２１０が実装される。レンズ２２は、ＬＥＤチップ２１０を覆うように配置されて、ＬＥＤチップ２１０から放射される光の配光を制御する。取付部材２３は、基板２１及びレンズ２２が取り付けられる。また、取付部材２３は、ベース部２３１と、リブ２３２３〜２３２６と、固定部２３１４〜２３１７とを有する。ベース部２３１は、板状であって、基板２１が取り付けられる。リブ２３２３〜２３２６は、ベース部２３１の厚み方向に突出し、且つレンズ２２を取付部材２３に取り付けた状態でレンズ２２が接触する。固定部２３１４〜２３１７は、ベース部２３１の厚み方向においてリブ２３２３〜２３２６との間でレンズ２２を挟み込むことでレンズ２２を取付部材２３に固定する。【選択図】図１