公开(公告)号：US20150003081A1

公开(公告)日：2015-01-01

申请号：US14372767

申请日：2012-12-08

Applicant: KONICA MINOLTA, INC.

Inventor： Daisuke Kobayashi ,  Yuki Naoi ,  Yuki Ono

IPC: F21V5/04 ,  G03B15/05 ,  G02B3/02

CPC classification number: F21V5/04 ,  F21Y2105/00 ,  F21Y2115/10 ,  G02B3/02 ,  G02B3/08 ,  G02B19/0061 ,  G03B15/05 ,  G03B2215/0567 ,  G03B2215/0592

Abstract: In an auxiliary light source unit, when the longest length of a light emitting face of an LED light source is S (mm), the furthest distance from the light emitting face of the LED light source to the light exiting surface of an optical element is T (mm), the largest diameter of the light transmitting section is L1 (mm), and the largest diameter in first partial ring zones and second partial ring zones is L2 (mm), the following conditional expressions are satisfied, 1.5

Abstract translation: 在辅助光源单元中，当LED光源的发光面的最长长度为S（mm）时，从LED光源的发光面到光学元件的光出射面的最远距离为 T（mm），透光部的最大直径为L1（mm），第一部分环区域和第二部分环区域的最大直径为L2（mm），满足以下条件式：1.5